./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-lit/sssc12_variant.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-lit/sssc12_variant.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7be74b3f1207f4387a275e1f4e0e57734d5f1b215282bd8d49efde8c6948d207 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:43:41,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:43:41,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:43:41,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:43:41,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:43:41,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:43:41,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:43:41,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:43:41,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:43:41,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:43:41,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:43:41,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:43:41,901 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:43:41,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:43:41,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:43:41,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:43:41,912 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:43:41,920 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:43:41,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:43:41,925 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:43:41,933 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:43:41,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:43:41,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:43:41,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:43:41,943 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:43:41,948 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:43:41,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:43:41,950 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:43:41,951 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:43:41,953 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:43:41,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:43:41,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:43:41,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:43:41,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:43:41,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:43:41,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:43:41,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:43:41,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:43:41,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:43:41,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:43:41,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:43:41,966 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-19 05:43:42,006 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:43:42,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:43:42,006 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:43:42,007 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:43:42,007 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:43:42,008 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:43:42,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:43:42,009 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:43:42,009 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:43:42,009 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:43:42,009 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:43:42,010 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:43:42,010 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:43:42,010 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:43:42,010 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 05:43:42,011 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:43:42,011 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 05:43:42,011 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:43:42,011 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:43:42,012 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:43:42,012 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 05:43:42,012 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:43:42,012 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:43:42,013 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-19 05:43:42,013 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:43:42,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:43:42,013 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:43:42,014 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:43:42,014 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 05:43:42,014 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:43:42,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 05:43:42,015 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 05:43:42,015 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-19 05:43:42,015 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 05:43:42,015 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-19 05:43:42,016 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-19 05:43:42,016 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7be74b3f1207f4387a275e1f4e0e57734d5f1b215282bd8d49efde8c6948d207 [2021-11-19 05:43:42,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:43:42,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:43:42,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:43:42,331 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:43:42,332 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:43:42,333 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/../../sv-benchmarks/c/pthread-lit/sssc12_variant.i [2021-11-19 05:43:42,396 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/data/a6c00f555/314037d55bca44e0996466681699d0be/FLAGa6fe549d4 [2021-11-19 05:43:42,968 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:43:42,971 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/sv-benchmarks/c/pthread-lit/sssc12_variant.i [2021-11-19 05:43:42,998 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/data/a6c00f555/314037d55bca44e0996466681699d0be/FLAGa6fe549d4 [2021-11-19 05:43:43,221 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/data/a6c00f555/314037d55bca44e0996466681699d0be [2021-11-19 05:43:43,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:43:43,225 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:43:43,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:43:43,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:43:43,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:43:43,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:43:43" (1/1) ... [2021-11-19 05:43:43,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@332349ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:43, skipping insertion in model container [2021-11-19 05:43:43,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:43:43" (1/1) ... [2021-11-19 05:43:43,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:43:43,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:43:43,803 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/sv-benchmarks/c/pthread-lit/sssc12_variant.i[46865,46878] [2021-11-19 05:43:43,840 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:43:43,850 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:43:43,909 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/sv-benchmarks/c/pthread-lit/sssc12_variant.i[46865,46878] [2021-11-19 05:43:43,918 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:43:44,009 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:43:44,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:44 WrapperNode [2021-11-19 05:43:44,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:43:44,012 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:43:44,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:43:44,013 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:43:44,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:44" (1/1) ... [2021-11-19 05:43:44,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:44" (1/1) ... [2021-11-19 05:43:44,097 INFO L137 Inliner]: procedures = 275, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 87 [2021-11-19 05:43:44,097 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:43:44,098 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:43:44,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:43:44,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:43:44,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:44" (1/1) ... [2021-11-19 05:43:44,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:44" (1/1) ... [2021-11-19 05:43:44,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:44" (1/1) ... [2021-11-19 05:43:44,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:44" (1/1) ... [2021-11-19 05:43:44,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:44" (1/1) ... [2021-11-19 05:43:44,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:44" (1/1) ... [2021-11-19 05:43:44,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:44" (1/1) ... [2021-11-19 05:43:44,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:43:44,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:43:44,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:43:44,143 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:43:44,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:44" (1/1) ... [2021-11-19 05:43:44,170 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:43:44,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:43:44,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 05:43:44,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 05:43:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-19 05:43:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2021-11-19 05:43:44,264 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2021-11-19 05:43:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 05:43:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 05:43:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-19 05:43:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 05:43:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 05:43:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 05:43:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:43:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 05:43:44,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:43:44,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:43:44,267 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-19 05:43:44,464 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:43:44,466 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:43:44,717 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:43:44,745 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:43:44,745 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-19 05:43:44,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:43:44 BoogieIcfgContainer [2021-11-19 05:43:44,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:43:44,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 05:43:44,749 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 05:43:44,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 05:43:44,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:43:43" (1/3) ... [2021-11-19 05:43:44,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3609563d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:43:44, skipping insertion in model container [2021-11-19 05:43:44,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:44" (2/3) ... [2021-11-19 05:43:44,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3609563d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:43:44, skipping insertion in model container [2021-11-19 05:43:44,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:43:44" (3/3) ... [2021-11-19 05:43:44,756 INFO L111 eAbstractionObserver]: Analyzing ICFG sssc12_variant.i [2021-11-19 05:43:44,762 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-19 05:43:44,762 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 05:43:44,762 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 05:43:44,762 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-19 05:43:44,787 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,787 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,788 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,788 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,788 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,788 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,788 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,788 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,789 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,789 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,789 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,789 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,789 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,790 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,790 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,790 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,790 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,790 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,791 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,791 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,791 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,791 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,792 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,792 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,792 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,792 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,792 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,793 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,793 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,793 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,793 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,794 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,794 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,794 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,794 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,794 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,795 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,795 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,795 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,795 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,795 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,795 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,796 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,796 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,797 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,797 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,797 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,797 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,798 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,798 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,798 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,798 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,798 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,799 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,799 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,799 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,799 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,799 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,800 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,800 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,800 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,800 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,800 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,800 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,801 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,801 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,801 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,801 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,802 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,802 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,805 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,805 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,805 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,805 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,806 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,806 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,806 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,806 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,806 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,807 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,807 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:44,808 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-19 05:43:44,853 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-19 05:43:44,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:43:44,855 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-19 05:43:44,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-19 05:43:44,906 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-19 05:43:44,916 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 05:43:44,916 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 05:43:45,053 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-19 05:43:45,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:43:45,059 INFO L85 PathProgramCache]: Analyzing trace with hash -147767055, now seen corresponding path program 1 times [2021-11-19 05:43:45,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:43:45,073 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568358091] [2021-11-19 05:43:45,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:43:45,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:43:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:43:45,354 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-19 05:43:45,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:43:45,355 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568358091] [2021-11-19 05:43:45,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568358091] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:43:45,356 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:43:45,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 05:43:45,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173018497] [2021-11-19 05:43:45,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:43:45,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 05:43:45,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:43:45,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 05:43:45,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 05:43:45,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:45,392 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:43:45,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:43:45,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:45,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:45,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 05:43:45,412 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-19 05:43:45,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:43:45,413 INFO L85 PathProgramCache]: Analyzing trace with hash 178627719, now seen corresponding path program 1 times [2021-11-19 05:43:45,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:43:45,414 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244205496] [2021-11-19 05:43:45,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:43:45,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:43:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:43:45,450 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:43:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:43:45,538 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:43:45,539 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-19 05:43:45,540 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 1 remaining) [2021-11-19 05:43:45,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 05:43:45,558 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-19 05:43:45,558 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/2) [2021-11-19 05:43:45,560 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-19 05:43:45,560 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-11-19 05:43:45,592 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,592 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,593 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,593 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,593 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,593 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,593 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,593 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,594 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,594 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,594 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,594 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,594 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,595 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,595 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,595 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,595 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,595 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,596 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,596 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,596 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,596 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,610 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,611 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,611 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,611 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,612 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,612 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,612 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,612 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,612 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,613 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,613 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,613 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,613 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,613 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,614 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,614 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,614 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,614 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,614 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,615 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,615 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,615 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,615 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,616 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,616 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,616 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,616 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,616 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,617 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,617 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,617 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,617 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,617 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,618 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,618 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,618 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,618 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,618 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,619 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,619 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,619 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,619 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,620 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,620 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,620 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,620 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,620 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,621 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,621 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,621 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,621 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,622 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,622 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,622 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,622 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,622 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,623 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,623 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,623 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,623 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,623 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,624 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,624 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,624 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,624 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,625 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,625 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,625 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,626 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,626 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,626 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,626 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,627 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,627 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,627 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,627 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,627 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,628 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,628 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,628 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,628 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,628 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,629 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,629 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,629 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,629 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,629 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,630 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,630 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,630 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,630 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,630 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,631 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,631 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,631 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,631 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,632 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,632 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,632 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,632 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,632 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,633 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,633 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,633 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,633 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,633 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,634 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,634 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,634 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,634 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,634 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,635 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,635 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,635 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,635 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,636 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,636 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,636 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,637 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,637 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,637 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,637 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,638 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,638 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,638 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,638 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,638 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,639 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,639 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,640 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,640 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,640 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,641 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,641 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,641 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,641 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,641 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,642 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,642 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,642 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:45,643 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-19 05:43:45,646 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-19 05:43:45,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:43:45,648 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-19 05:43:45,654 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thrThread2of2ForFork0 ======== [2021-11-19 05:43:45,655 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 05:43:45,655 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 05:43:45,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2021-11-19 05:43:45,907 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:43:45,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:43:45,913 INFO L85 PathProgramCache]: Analyzing trace with hash -495900000, now seen corresponding path program 1 times [2021-11-19 05:43:45,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:43:45,916 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968164174] [2021-11-19 05:43:45,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:43:45,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:43:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:43:46,046 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-19 05:43:46,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:43:46,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968164174] [2021-11-19 05:43:46,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968164174] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:43:46,048 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:43:46,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 05:43:46,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609191476] [2021-11-19 05:43:46,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:43:46,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 05:43:46,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:43:46,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 05:43:46,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 05:43:46,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:46,052 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:43:46,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 43.0) internal successors, (86), 2 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:43:46,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:46,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:46,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-19 05:43:46,096 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:43:46,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:43:46,100 INFO L85 PathProgramCache]: Analyzing trace with hash 712477608, now seen corresponding path program 1 times [2021-11-19 05:43:46,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:43:46,100 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089018261] [2021-11-19 05:43:46,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:43:46,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:43:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:43:46,291 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-19 05:43:46,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:43:46,291 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089018261] [2021-11-19 05:43:46,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089018261] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:43:46,292 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:43:46,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 05:43:46,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451433447] [2021-11-19 05:43:46,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:43:46,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 05:43:46,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:43:46,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 05:43:46,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 05:43:46,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:46,294 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:43:46,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:43:46,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:46,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:46,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:46,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:43:46,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-19 05:43:46,500 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:43:46,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:43:46,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1020135921, now seen corresponding path program 1 times [2021-11-19 05:43:46,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:43:46,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443109777] [2021-11-19 05:43:46,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:43:46,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:43:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:43:46,657 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-19 05:43:46,657 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:43:46,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443109777] [2021-11-19 05:43:46,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443109777] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:43:46,658 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:43:46,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 05:43:46,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703115688] [2021-11-19 05:43:46,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:43:46,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 05:43:46,662 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:43:46,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 05:43:46,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 05:43:46,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:46,663 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:43:46,663 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:43:46,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:46,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:43:46,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:46,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:46,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:43:46,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:43:46,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-19 05:43:46,911 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:43:46,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:43:46,912 INFO L85 PathProgramCache]: Analyzing trace with hash -469146024, now seen corresponding path program 1 times [2021-11-19 05:43:46,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:43:46,912 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005701988] [2021-11-19 05:43:46,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:43:46,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:43:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:43:47,060 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-19 05:43:47,061 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:43:47,061 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005701988] [2021-11-19 05:43:47,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005701988] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:43:47,061 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:43:47,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 05:43:47,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80817569] [2021-11-19 05:43:47,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:43:47,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 05:43:47,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:43:47,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 05:43:47,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 05:43:47,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:47,063 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:43:47,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:43:47,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:47,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:43:47,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:43:47,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:47,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:47,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:43:47,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:43:47,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:43:47,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-19 05:43:47,238 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:43:47,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:43:47,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1873658618, now seen corresponding path program 1 times [2021-11-19 05:43:47,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:43:47,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314405623] [2021-11-19 05:43:47,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:43:47,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:43:47,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:43:47,419 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-19 05:43:47,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:43:47,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314405623] [2021-11-19 05:43:47,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314405623] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:43:47,422 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417648490] [2021-11-19 05:43:47,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:43:47,422 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:43:47,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:43:47,460 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:43:47,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-19 05:43:47,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:43:47,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 05:43:47,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:43:47,946 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-19 05:43:47,946 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:43:48,214 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-19 05:43:48,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [417648490] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:43:48,215 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:43:48,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2021-11-19 05:43:48,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022741416] [2021-11-19 05:43:48,216 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:43:48,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 05:43:48,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:43:48,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 05:43:48,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-11-19 05:43:48,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:48,219 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:43:48,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.727272727272727) internal successors, (173), 11 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:43:48,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:48,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:43:48,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:43:48,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:43:48,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:48,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:48,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:43:48,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:43:48,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:43:48,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:43:48,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-19 05:43:48,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:43:48,602 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:43:48,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:43:48,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1716499179, now seen corresponding path program 2 times [2021-11-19 05:43:48,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:43:48,603 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575092400] [2021-11-19 05:43:48,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:43:48,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:43:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:43:48,795 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 11 proven. 76 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-19 05:43:48,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:43:48,795 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575092400] [2021-11-19 05:43:48,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575092400] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:43:48,796 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994379025] [2021-11-19 05:43:48,796 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-19 05:43:48,796 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:43:48,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:43:48,797 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:43:48,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-19 05:43:48,912 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-19 05:43:48,913 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:43:48,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-19 05:43:48,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:43:49,279 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 11 proven. 76 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-19 05:43:49,279 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:43:49,618 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 11 proven. 76 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-19 05:43:49,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1994379025] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:43:49,619 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:43:49,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 17 [2021-11-19 05:43:49,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168482651] [2021-11-19 05:43:49,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:43:49,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-19 05:43:49,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:43:49,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-19 05:43:49,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2021-11-19 05:43:49,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:49,623 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:43:49,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 14.411764705882353) internal successors, (245), 17 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:43:49,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:49,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:43:49,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:43:49,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:43:49,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:43:49,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:49,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:49,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:43:49,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:43:49,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:43:49,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:43:49,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:43:49,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-19 05:43:50,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:43:50,063 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:43:50,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:43:50,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1446186187, now seen corresponding path program 3 times [2021-11-19 05:43:50,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:43:50,063 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125849143] [2021-11-19 05:43:50,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:43:50,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:43:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:43:50,305 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2021-11-19 05:43:50,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:43:50,306 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125849143] [2021-11-19 05:43:50,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125849143] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:43:50,306 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448022381] [2021-11-19 05:43:50,306 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-19 05:43:50,306 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:43:50,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:43:50,307 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:43:50,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-19 05:43:50,401 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-19 05:43:50,402 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:43:50,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-19 05:43:50,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:43:50,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 05:43:50,517 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-19 05:43:50,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-19 05:43:50,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-19 05:43:50,967 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:43:50,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-19 05:43:50,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2021-11-19 05:43:51,014 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2021-11-19 05:43:51,015 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:43:55,579 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 0 proven. 6 refuted. 10 times theorem prover too weak. 558 trivial. 0 not checked. [2021-11-19 05:43:55,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1448022381] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:43:55,580 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:43:55,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 14 [2021-11-19 05:43:55,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714187718] [2021-11-19 05:43:55,581 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:43:55,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 05:43:55,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:43:55,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 05:43:55,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=144, Unknown=6, NotChecked=0, Total=182 [2021-11-19 05:43:55,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:55,583 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:43:55,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 9.785714285714286) internal successors, (137), 14 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:43:55,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:55,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:43:55,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:43:55,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:43:55,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:43:55,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:43:55,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:56,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:56,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:43:56,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:43:56,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-19 05:43:56,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:43:56,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:43:56,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:43:56,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-19 05:43:56,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-11-19 05:43:56,604 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:43:56,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:43:56,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1251994603, now seen corresponding path program 1 times [2021-11-19 05:43:56,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:43:56,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427801920] [2021-11-19 05:43:56,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:43:56,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:43:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:43:56,889 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 457 proven. 120 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-19 05:43:56,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:43:56,889 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427801920] [2021-11-19 05:43:56,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427801920] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:43:56,889 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460089645] [2021-11-19 05:43:56,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:43:56,890 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:43:56,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:43:56,891 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:43:56,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-19 05:43:56,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:43:57,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-19 05:43:57,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:43:57,621 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 577 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-19 05:43:57,622 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:43:57,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460089645] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:43:57,622 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:43:57,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [15] total 17 [2021-11-19 05:43:57,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445451019] [2021-11-19 05:43:57,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:43:57,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 05:43:57,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:43:57,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 05:43:57,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2021-11-19 05:43:57,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:57,625 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:43:57,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 15.642857142857142) internal successors, (219), 14 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:43:57,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:57,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:43:57,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:43:57,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-19 05:43:57,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:43:57,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:43:57,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:43:57,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:58,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:58,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-19 05:43:58,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:43:58,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-19 05:43:58,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:43:58,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:43:58,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:43:58,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:43:58,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-19 05:43:58,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-19 05:43:58,620 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:43:58,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:43:58,620 INFO L85 PathProgramCache]: Analyzing trace with hash -53177608, now seen corresponding path program 2 times [2021-11-19 05:43:58,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:43:58,621 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832380096] [2021-11-19 05:43:58,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:43:58,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:43:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:43:59,283 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 470 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-19 05:43:59,283 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:43:59,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832380096] [2021-11-19 05:43:59,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832380096] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:43:59,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076259777] [2021-11-19 05:43:59,283 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-19 05:43:59,284 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:43:59,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:43:59,285 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:43:59,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-19 05:43:59,392 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-19 05:43:59,392 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:43:59,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-19 05:43:59,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:43:59,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 05:43:59,472 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-19 05:43:59,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-19 05:44:00,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-19 05:44:00,682 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:44:00,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-19 05:44:00,771 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:44:00,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 31 [2021-11-19 05:44:00,835 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-19 05:44:00,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 15 [2021-11-19 05:44:00,896 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 14 proven. 456 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-19 05:44:00,896 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:44:05,969 INFO L354 Elim1Store]: treesize reduction 23, result has 60.3 percent of original size [2021-11-19 05:44:05,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 53 [2021-11-19 05:44:05,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 41 [2021-11-19 05:44:05,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 35 [2021-11-19 05:44:07,189 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 1 proven. 459 refuted. 10 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-19 05:44:07,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076259777] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:44:07,190 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:44:07,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25, 25] total 42 [2021-11-19 05:44:07,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63738267] [2021-11-19 05:44:07,191 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:44:07,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2021-11-19 05:44:07,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:44:07,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-11-19 05:44:07,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=1497, Unknown=6, NotChecked=0, Total=1722 [2021-11-19 05:44:07,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:07,193 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:44:07,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 8.071428571428571) internal successors, (339), 42 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:44:07,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:07,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-19 05:44:07,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:44:07,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-19 05:44:07,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:44:07,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:44:07,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:44:07,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:44:07,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:08,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:08,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-19 05:44:08,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:44:08,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-19 05:44:08,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:44:08,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:44:08,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:44:08,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:44:08,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-19 05:44:08,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-19 05:44:08,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-19 05:44:08,811 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:44:08,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:44:08,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1799012850, now seen corresponding path program 1 times [2021-11-19 05:44:08,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:44:08,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219932402] [2021-11-19 05:44:08,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:44:08,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:44:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:44:08,891 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2021-11-19 05:44:08,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:44:08,891 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219932402] [2021-11-19 05:44:08,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219932402] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:44:08,892 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:44:08,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 05:44:08,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936318493] [2021-11-19 05:44:08,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:44:08,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 05:44:08,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:44:08,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 05:44:08,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 05:44:08,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:08,895 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:44:08,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:44:08,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:08,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-19 05:44:08,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:44:08,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-19 05:44:08,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:44:08,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:44:08,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:44:08,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:44:08,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-19 05:44:08,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:13,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:13,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-19 05:44:13,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:44:13,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:44:13,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 05:44:13,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:44:13,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:44:13,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:44:13,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-11-19 05:44:13,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:44:13,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-19 05:44:13,210 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:44:13,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:44:13,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1484128775, now seen corresponding path program 3 times [2021-11-19 05:44:13,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:44:13,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325676849] [2021-11-19 05:44:13,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:44:13,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:44:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:44:13,963 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-19 05:44:13,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:44:13,963 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325676849] [2021-11-19 05:44:13,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325676849] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:44:13,963 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776483203] [2021-11-19 05:44:13,963 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-19 05:44:13,964 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:44:13,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:44:13,967 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:44:13,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-19 05:44:14,054 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-19 05:44:14,055 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:44:14,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 05:44:14,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:44:14,316 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-19 05:44:14,317 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:44:14,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776483203] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:44:14,317 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:44:14,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [21] total 22 [2021-11-19 05:44:14,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694710093] [2021-11-19 05:44:14,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:44:14,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:44:14,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:44:14,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:44:14,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2021-11-19 05:44:14,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:14,320 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:44:14,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:44:14,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:14,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-19 05:44:14,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:44:14,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:44:14,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-19 05:44:14,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:44:14,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:44:14,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:44:14,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-11-19 05:44:14,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:44:14,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:15,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:15,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-19 05:44:15,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:44:15,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:44:15,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:44:15,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-19 05:44:15,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:44:15,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:44:15,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-11-19 05:44:15,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:44:15,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:44:15,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-11-19 05:44:15,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-19 05:44:15,435 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:44:15,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:44:15,435 INFO L85 PathProgramCache]: Analyzing trace with hash 280663076, now seen corresponding path program 1 times [2021-11-19 05:44:15,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:44:15,436 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43463563] [2021-11-19 05:44:15,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:44:15,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:44:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:44:15,508 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-11-19 05:44:15,509 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:44:15,509 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43463563] [2021-11-19 05:44:15,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43463563] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:44:15,509 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:44:15,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 05:44:15,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253918016] [2021-11-19 05:44:15,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:44:15,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 05:44:15,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:44:15,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 05:44:15,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 05:44:15,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:15,512 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:44:15,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:44:15,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:15,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-19 05:44:15,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:44:15,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:44:15,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:44:15,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-19 05:44:15,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:44:15,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:44:15,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-11-19 05:44:15,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:44:15,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:44:15,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:17,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:17,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-19 05:44:17,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:44:17,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:44:17,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:44:17,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-19 05:44:17,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:44:17,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:44:17,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-11-19 05:44:17,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:44:17,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:44:17,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:44:17,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-19 05:44:17,096 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:44:17,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:44:17,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1374711598, now seen corresponding path program 1 times [2021-11-19 05:44:17,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:44:17,096 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339801281] [2021-11-19 05:44:17,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:44:17,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:44:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:44:17,381 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-19 05:44:17,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:44:17,381 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339801281] [2021-11-19 05:44:17,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339801281] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:44:17,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120568593] [2021-11-19 05:44:17,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:44:17,382 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:44:17,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:44:17,387 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:44:17,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-19 05:44:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:44:17,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-19 05:44:17,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:44:17,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 05:44:17,640 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-19 05:44:17,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-19 05:44:17,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-19 05:44:18,066 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:44:18,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-19 05:44:18,173 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:44:18,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 31 [2021-11-19 05:44:18,228 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-19 05:44:18,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 15 [2021-11-19 05:44:18,277 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 10 proven. 30 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-19 05:44:18,277 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:44:18,887 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_81| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_81| c_~next~0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_81| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-19 05:44:19,703 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_81| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_81| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_81| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-19 05:44:19,809 INFO L354 Elim1Store]: treesize reduction 23, result has 60.3 percent of original size [2021-11-19 05:44:19,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 56 [2021-11-19 05:44:19,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2021-11-19 05:44:19,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2021-11-19 05:44:20,342 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 5 trivial. 10 not checked. [2021-11-19 05:44:20,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [120568593] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:44:20,343 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:44:20,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 35 [2021-11-19 05:44:20,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096171313] [2021-11-19 05:44:20,343 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:44:20,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-11-19 05:44:20,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:44:20,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-11-19 05:44:20,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=919, Unknown=2, NotChecked=126, Total=1190 [2021-11-19 05:44:20,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:20,346 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:44:20,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 6.771428571428571) internal successors, (237), 35 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:44:20,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:20,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-19 05:44:20,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:44:20,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:44:20,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:44:20,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-11-19 05:44:20,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:44:20,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:44:20,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-11-19 05:44:20,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:44:20,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:44:20,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:44:20,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:21,234 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (= (select |c_#valid| |c_ULTIMATE.start_main_~#t~0#1.base|) 1) (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_81| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_81| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_81| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (<= 10 c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 10 |c_thrThread2of2ForFork0_~end~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 8) c_~next~0)) is different from false [2021-11-19 05:44:21,808 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_81| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_81| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_81| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 8) c_~next~0)) is different from false [2021-11-19 05:44:22,537 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_81| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_81| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_81| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (<= (+ 9 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 8) c_~next~0)) is different from false [2021-11-19 05:44:23,209 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_81| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_81| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_81| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 8) c_~next~0)) is different from false [2021-11-19 05:44:23,934 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_81| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_81| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_81| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0)) is different from false [2021-11-19 05:44:24,650 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_81| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_81| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_81| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-19 05:44:25,330 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (< |c_thrThread2of2ForFork0_~c~0#1| c_~next~0) (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_81| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_81| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_81| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|)) is different from false [2021-11-19 05:44:25,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:25,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-19 05:44:25,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:44:25,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:44:25,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:44:25,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-19 05:44:25,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:44:25,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:44:25,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-11-19 05:44:25,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:44:25,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:44:25,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:44:25,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-19 05:44:25,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-19 05:44:25,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-19 05:44:25,727 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:44:25,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:44:25,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1105394615, now seen corresponding path program 2 times [2021-11-19 05:44:25,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:44:25,727 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476823553] [2021-11-19 05:44:25,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:44:25,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:44:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:44:26,140 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 175 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-19 05:44:26,140 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:44:26,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476823553] [2021-11-19 05:44:26,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476823553] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:44:26,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55480565] [2021-11-19 05:44:26,140 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-19 05:44:26,141 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:44:26,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:44:26,141 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:44:26,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-19 05:44:26,239 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-19 05:44:26,239 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:44:26,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-19 05:44:26,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:44:26,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 05:44:26,324 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-19 05:44:26,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-19 05:44:26,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-19 05:44:27,007 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:44:27,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-19 05:44:27,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-19 05:44:27,125 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:44:27,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 43 [2021-11-19 05:44:27,178 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-19 05:44:27,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 15 [2021-11-19 05:44:27,233 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 10 proven. 165 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-19 05:44:27,233 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:44:27,879 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_85| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_85| c_~next~0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_85| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-19 05:44:28,632 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_85| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_85| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_85| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-19 05:44:28,738 INFO L354 Elim1Store]: treesize reduction 23, result has 60.3 percent of original size [2021-11-19 05:44:28,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 56 [2021-11-19 05:44:28,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2021-11-19 05:44:28,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2021-11-19 05:44:29,532 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 5 trivial. 10 not checked. [2021-11-19 05:44:29,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [55480565] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:44:29,532 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:44:29,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 20] total 39 [2021-11-19 05:44:29,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56449451] [2021-11-19 05:44:29,533 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:44:29,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2021-11-19 05:44:29,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:44:29,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-11-19 05:44:29,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=1140, Unknown=2, NotChecked=142, Total=1482 [2021-11-19 05:44:29,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:29,536 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:44:29,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 7.564102564102564) internal successors, (295), 39 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:44:29,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:29,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-19 05:44:29,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:44:29,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:44:29,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:44:29,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-11-19 05:44:29,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:44:29,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:44:29,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-11-19 05:44:29,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:44:29,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:44:29,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:44:29,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-19 05:44:29,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:30,422 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (= (select |c_#valid| |c_ULTIMATE.start_main_~#t~0#1.base|) 1) (<= 10 c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_85| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_85| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_85| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (<= 10 |c_thrThread2of2ForFork0_~end~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= (+ 5 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-19 05:44:31,004 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_85| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_85| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_85| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (<= (+ 5 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-19 05:44:31,735 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ 9 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_85| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_85| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_85| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 5 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-19 05:44:32,397 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_85| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_85| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_85| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 5 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 8) c_~next~0)) is different from false [2021-11-19 05:44:33,058 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_85| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_85| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_85| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 5 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (<= (+ 7 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-19 05:44:33,792 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (<= (+ 6 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_85| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_85| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_85| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 5 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-19 05:44:34,453 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_85| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_85| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_85| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 5 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-19 05:44:35,132 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_85| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_85| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_85| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (< (+ 3 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-19 05:44:35,757 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_85| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_85| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_85| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-19 05:44:36,617 WARN L838 $PredicateComparison]: unable to prove that (and (< (+ 2 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_85| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_85| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_85| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|)) is different from false [2021-11-19 05:44:37,326 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_85| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_85| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_85| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0)) is different from false [2021-11-19 05:44:38,056 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (< |c_thrThread2of2ForFork0_~c~0#1| c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_85| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_85| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_85| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|)) is different from false [2021-11-19 05:44:38,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:38,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-19 05:44:38,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:44:38,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:44:38,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:44:38,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-19 05:44:38,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:44:38,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:44:38,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-11-19 05:44:38,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:44:38,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:44:38,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:44:38,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-19 05:44:38,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-11-19 05:44:38,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-19 05:44:38,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-19 05:44:38,443 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:44:38,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:44:38,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1381090954, now seen corresponding path program 3 times [2021-11-19 05:44:38,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:44:38,444 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389050617] [2021-11-19 05:44:38,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:44:38,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:44:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:44:38,650 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 531 proven. 109 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-19 05:44:38,650 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:44:38,651 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389050617] [2021-11-19 05:44:38,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389050617] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:44:38,651 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1788604169] [2021-11-19 05:44:38,651 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-19 05:44:38,651 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:44:38,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:44:38,655 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:44:38,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-19 05:44:38,743 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-19 05:44:38,743 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:44:38,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-19 05:44:38,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:44:39,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-19 05:44:39,794 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:44:39,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-11-19 05:44:39,917 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:44:39,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 29 [2021-11-19 05:44:39,970 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-19 05:44:39,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 13 [2021-11-19 05:44:40,041 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 10 proven. 80 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2021-11-19 05:44:40,041 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:44:40,698 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_89| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_89| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_89| c_~next~0))) is different from false [2021-11-19 05:44:41,485 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_89| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_89| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_89| c_~next~0))) is different from false [2021-11-19 05:44:41,580 INFO L354 Elim1Store]: treesize reduction 23, result has 60.3 percent of original size [2021-11-19 05:44:41,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 56 [2021-11-19 05:44:41,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2021-11-19 05:44:41,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2021-11-19 05:44:42,458 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 555 trivial. 10 not checked. [2021-11-19 05:44:42,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1788604169] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:44:42,458 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:44:42,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 36 [2021-11-19 05:44:42,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894311872] [2021-11-19 05:44:42,459 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:44:42,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2021-11-19 05:44:42,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:44:42,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-11-19 05:44:42,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=991, Unknown=2, NotChecked=130, Total=1260 [2021-11-19 05:44:42,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:42,462 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:44:42,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 10.25) internal successors, (369), 36 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:44:42,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:42,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-19 05:44:42,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:44:42,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:44:42,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:44:42,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-11-19 05:44:42,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:44:42,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:44:42,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-11-19 05:44:42,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:44:42,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:44:42,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:44:42,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-19 05:44:42,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-11-19 05:44:42,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:43,318 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_89| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_89| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_89| c_~next~0))) (< |c_thrThread2of2ForFork0_~c~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (<= |c_thrThread2of2ForFork0_~end~0#1| 10) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (< |c_#StackHeapBarrier| |c_ULTIMATE.start_main_~#t~0#1.base|) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-19 05:44:43,938 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_89| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_89| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_89| c_~next~0))) (< |c_thrThread2of2ForFork0_~c~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|)) is different from false [2021-11-19 05:44:44,710 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_89| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_89| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_89| c_~next~0))) (< |c_thrThread2of2ForFork0_~c~0#1| c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= |c_thrThread2of2ForFork0_~end~0#1| (+ 9 |c_thrThread2of2ForFork0_~c~0#1|)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-19 05:44:45,460 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_89| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_89| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_89| c_~next~0))) (< |c_thrThread2of2ForFork0_~c~0#1| c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= |c_thrThread2of2ForFork0_~end~0#1| (+ |c_thrThread2of2ForFork0_~c~0#1| 8)) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-19 05:44:46,255 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_89| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_89| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_89| c_~next~0))) (< |c_thrThread2of2ForFork0_~c~0#1| c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (<= |c_thrThread2of2ForFork0_~end~0#1| (+ 7 |c_thrThread2of2ForFork0_~c~0#1|)) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-19 05:44:47,050 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_89| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_89| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_89| c_~next~0))) (< |c_thrThread2of2ForFork0_~c~0#1| c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (<= |c_thrThread2of2ForFork0_~end~0#1| (+ 6 |c_thrThread2of2ForFork0_~c~0#1|)) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-19 05:44:47,955 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_89| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_89| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_89| c_~next~0))) (< |c_thrThread2of2ForFork0_~c~0#1| c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= |c_thrThread2of2ForFork0_~end~0#1| (+ 5 |c_thrThread2of2ForFork0_~c~0#1|)) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-19 05:44:48,749 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_89| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_89| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_89| c_~next~0))) (< |c_thrThread2of2ForFork0_~c~0#1| c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= |c_thrThread2of2ForFork0_~end~0#1| (+ |c_thrThread2of2ForFork0_~c~0#1| 4)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-19 05:44:49,511 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_89| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_89| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_89| c_~next~0))) (< |c_thrThread2of2ForFork0_~c~0#1| c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= |c_thrThread2of2ForFork0_~end~0#1| (+ 3 |c_thrThread2of2ForFork0_~c~0#1|)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-19 05:44:50,283 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_89| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_89| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_89| c_~next~0))) (< |c_thrThread2of2ForFork0_~c~0#1| c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= |c_thrThread2of2ForFork0_~end~0#1| (+ 2 |c_thrThread2of2ForFork0_~c~0#1|)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-19 05:44:51,056 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_89| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_89| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_89| c_~next~0))) (< |c_thrThread2of2ForFork0_~c~0#1| c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= |c_thrThread2of2ForFork0_~end~0#1| (+ |c_thrThread2of2ForFork0_~c~0#1| 1)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-19 05:44:51,680 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|v_thrThread1of2ForFork0_~c~0#1_85| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_85| c_~next~0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_85| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-19 05:44:52,150 WARN L838 $PredicateComparison]: unable to prove that (and (< |c_thrThread2of2ForFork0_~c~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_89| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_89| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_89| c_~next~0))) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|)) is different from false [2021-11-19 05:44:52,615 WARN L838 $PredicateComparison]: unable to prove that (and (< |c_thrThread2of2ForFork0_~c~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_89| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_89| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_89| c_~next~0)))) is different from false [2021-11-19 05:44:52,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:44:52,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-19 05:44:52,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:44:52,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:44:52,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:44:52,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-19 05:44:52,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:44:52,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:44:52,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-11-19 05:44:52,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:44:52,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:44:52,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:44:52,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-19 05:44:52,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-11-19 05:44:52,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-19 05:44:52,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-19 05:44:52,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:44:52,955 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:44:52,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:44:52,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1566196662, now seen corresponding path program 4 times [2021-11-19 05:44:52,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:44:52,956 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342074829] [2021-11-19 05:44:52,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:44:52,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:44:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:44:53,558 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-19 05:44:53,558 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:44:53,558 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342074829] [2021-11-19 05:44:53,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342074829] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:44:53,558 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987465269] [2021-11-19 05:44:53,558 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-19 05:44:53,558 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:44:53,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:44:53,560 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:44:53,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-19 05:44:53,660 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-19 05:44:53,660 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:44:53,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-19 05:44:53,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:44:53,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 05:44:53,718 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-19 05:44:53,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-19 05:44:54,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-19 05:44:54,436 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:44:54,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-19 05:44:54,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 29 [2021-11-19 05:44:54,527 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:44:54,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 38 [2021-11-19 05:44:54,583 INFO L354 Elim1Store]: treesize reduction 53, result has 17.2 percent of original size [2021-11-19 05:44:54,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 29 [2021-11-19 05:44:54,796 INFO L354 Elim1Store]: treesize reduction 88, result has 20.7 percent of original size [2021-11-19 05:44:54,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 50 [2021-11-19 05:44:54,887 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-19 05:44:54,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 23 [2021-11-19 05:44:54,945 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 12 proven. 513 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-19 05:44:54,945 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:44:55,498 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_94| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |c_thrThread1of2ForFork0_~c~0#1| 1)) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-19 05:45:04,667 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_95| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_95| c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_94| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_95| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |v_thrThread1of2ForFork0_~c~0#1_95| 1)))))) is different from false [2021-11-19 05:45:05,727 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_94| Int) (|v_thrThread1of2ForFork0_~c~0#1_95| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_95| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |v_thrThread1of2ForFork0_~c~0#1_95| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_95| c_~next~0))) is different from false [2021-11-19 05:45:05,949 INFO L354 Elim1Store]: treesize reduction 23, result has 60.3 percent of original size [2021-11-19 05:45:05,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 68 [2021-11-19 05:45:05,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 56 [2021-11-19 05:45:05,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 79 [2021-11-19 05:45:06,967 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 0 proven. 515 refuted. 0 times theorem prover too weak. 5 trivial. 10 not checked. [2021-11-19 05:45:06,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987465269] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:45:06,968 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:45:06,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 27, 26] total 44 [2021-11-19 05:45:06,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298177425] [2021-11-19 05:45:06,968 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:45:06,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2021-11-19 05:45:06,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:45:06,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-11-19 05:45:06,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=1423, Unknown=12, NotChecked=240, Total=1892 [2021-11-19 05:45:06,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:06,971 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:45:06,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 7.75) internal successors, (341), 44 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:45:06,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:06,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-19 05:45:06,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:45:06,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:45:06,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:45:06,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-11-19 05:45:06,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:45:06,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:45:06,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-11-19 05:45:06,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:45:06,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:06,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:45:06,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-19 05:45:06,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-11-19 05:45:06,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-11-19 05:45:06,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:08,459 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (= (select |c_#valid| |c_ULTIMATE.start_main_~#t~0#1.base|) 1) (<= 10 c_~next~0) (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_94| Int) (|v_thrThread1of2ForFork0_~c~0#1_95| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_95| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |v_thrThread1of2ForFork0_~c~0#1_95| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_95| c_~next~0))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (<= 10 |c_thrThread2of2ForFork0_~end~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0)) is different from false [2021-11-19 05:45:09,869 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_94| Int) (|v_thrThread1of2ForFork0_~c~0#1_95| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_95| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |v_thrThread1of2ForFork0_~c~0#1_95| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_95| c_~next~0))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0)) is different from false [2021-11-19 05:45:12,009 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ 9 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_94| Int) (|v_thrThread1of2ForFork0_~c~0#1_95| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_95| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |v_thrThread1of2ForFork0_~c~0#1_95| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_95| c_~next~0))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0)) is different from false [2021-11-19 05:45:12,871 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_94| Int) (|v_thrThread1of2ForFork0_~c~0#1_95| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_95| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |v_thrThread1of2ForFork0_~c~0#1_95| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_95| c_~next~0))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 8) c_~next~0)) is different from false [2021-11-19 05:45:14,972 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_94| Int) (|v_thrThread1of2ForFork0_~c~0#1_95| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_95| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |v_thrThread1of2ForFork0_~c~0#1_95| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_95| c_~next~0))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (<= (+ 7 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-19 05:45:16,324 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (<= (+ 6 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_94| Int) (|v_thrThread1of2ForFork0_~c~0#1_95| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_95| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |v_thrThread1of2ForFork0_~c~0#1_95| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_95| c_~next~0))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0)) is different from false [2021-11-19 05:45:18,418 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_94| Int) (|v_thrThread1of2ForFork0_~c~0#1_95| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_95| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |v_thrThread1of2ForFork0_~c~0#1_95| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_95| c_~next~0))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (<= (+ 5 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-19 05:45:19,715 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 4) c_~next~0) (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_94| Int) (|v_thrThread1of2ForFork0_~c~0#1_95| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_95| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |v_thrThread1of2ForFork0_~c~0#1_95| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_95| c_~next~0))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0)) is different from false [2021-11-19 05:45:20,710 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ 3 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_94| Int) (|v_thrThread1of2ForFork0_~c~0#1_95| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_95| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |v_thrThread1of2ForFork0_~c~0#1_95| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_95| c_~next~0))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0)) is different from false [2021-11-19 05:45:22,813 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ 2 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_94| Int) (|v_thrThread1of2ForFork0_~c~0#1_95| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_95| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |v_thrThread1of2ForFork0_~c~0#1_95| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_95| c_~next~0))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0)) is different from false [2021-11-19 05:45:24,918 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_94| Int) (|v_thrThread1of2ForFork0_~c~0#1_95| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_95| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |v_thrThread1of2ForFork0_~c~0#1_95| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_95| c_~next~0))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0)) is different from false [2021-11-19 05:45:26,942 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_95| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_95| c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_94| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_95| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |v_thrThread1of2ForFork0_~c~0#1_95| 1))))))) is different from false [2021-11-19 05:45:28,947 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_95| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_95| c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_94| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_95| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |v_thrThread1of2ForFork0_~c~0#1_95| 1))))))) is different from false [2021-11-19 05:45:29,512 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (forall ((|v_thrThread1of2ForFork0_~c~0#1_94| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |c_thrThread1of2ForFork0_~c~0#1| 1)) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |c_thrThread1of2ForFork0_~c~0#1|))) is different from false [2021-11-19 05:45:29,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:29,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-19 05:45:29,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:45:29,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:45:29,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:45:29,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-19 05:45:29,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:45:29,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:45:29,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-11-19 05:45:29,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:45:29,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:29,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:45:29,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-19 05:45:29,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-11-19 05:45:29,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-19 05:45:29,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-11-19 05:45:29,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-19 05:45:29,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-19 05:45:29,863 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:45:29,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:45:29,863 INFO L85 PathProgramCache]: Analyzing trace with hash -76019294, now seen corresponding path program 4 times [2021-11-19 05:45:29,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:45:29,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141464032] [2021-11-19 05:45:29,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:45:29,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:45:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:45:30,225 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 0 proven. 521 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-19 05:45:30,225 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:45:30,225 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141464032] [2021-11-19 05:45:30,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141464032] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:45:30,225 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948093257] [2021-11-19 05:45:30,225 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-19 05:45:30,226 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:45:30,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:45:30,227 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:45:30,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-19 05:45:30,321 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-19 05:45:30,321 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:45:30,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-19 05:45:30,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:45:30,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-19 05:45:30,810 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:45:30,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 31 [2021-11-19 05:45:30,853 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-19 05:45:30,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 15 [2021-11-19 05:45:30,893 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 8 proven. 513 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-19 05:45:30,893 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:45:31,469 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_99| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_99| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_99| c_~next~0))) is different from false [2021-11-19 05:45:31,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2021-11-19 05:45:31,884 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 8 proven. 513 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-19 05:45:31,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1948093257] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:45:31,884 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:45:31,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 20] total 29 [2021-11-19 05:45:31,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413441686] [2021-11-19 05:45:31,885 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:45:31,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-11-19 05:45:31,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:45:31,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-11-19 05:45:31,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=626, Unknown=1, NotChecked=52, Total=812 [2021-11-19 05:45:31,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:31,887 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:45:31,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 9.448275862068966) internal successors, (274), 29 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:45:31,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:31,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-19 05:45:31,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:45:31,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:45:31,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:45:31,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-11-19 05:45:31,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:45:31,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:45:31,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-11-19 05:45:31,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:45:31,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:31,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:45:31,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-19 05:45:31,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-11-19 05:45:31,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-11-19 05:45:31,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-11-19 05:45:31,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:32,632 WARN L838 $PredicateComparison]: unable to prove that (and (<= 10 c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (<= 10 |c_thrThread2of2ForFork0_~end~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_99| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_99| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_99| c_~next~0)))) is different from false [2021-11-19 05:45:33,138 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_99| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_99| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_99| c_~next~0)))) is different from false [2021-11-19 05:45:33,751 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 9 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_99| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_99| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_99| c_~next~0)))) is different from false [2021-11-19 05:45:34,351 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 8) c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_99| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_99| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_99| c_~next~0)))) is different from false [2021-11-19 05:45:34,946 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (<= (+ 7 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_99| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_99| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_99| c_~next~0)))) is different from false [2021-11-19 05:45:35,527 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (<= (+ 6 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_99| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_99| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_99| c_~next~0)))) is different from false [2021-11-19 05:45:36,100 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (<= (+ 5 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_99| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_99| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_99| c_~next~0)))) is different from false [2021-11-19 05:45:36,695 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 4) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_99| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_99| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_99| c_~next~0)))) is different from false [2021-11-19 05:45:37,323 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 3 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_99| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_99| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_99| c_~next~0)))) is different from false [2021-11-19 05:45:37,911 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 2 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_99| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_99| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_99| c_~next~0)))) is different from false [2021-11-19 05:45:38,503 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_99| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_99| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_99| c_~next~0)))) is different from false [2021-11-19 05:45:39,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:39,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-19 05:45:39,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:45:39,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:45:39,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:45:39,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-19 05:45:39,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:45:39,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:45:39,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-11-19 05:45:39,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:45:39,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:39,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:45:39,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-19 05:45:39,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-11-19 05:45:39,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-19 05:45:39,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-11-19 05:45:39,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-19 05:45:39,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-19 05:45:39,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:45:39,269 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:45:39,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:45:39,270 INFO L85 PathProgramCache]: Analyzing trace with hash -964756775, now seen corresponding path program 5 times [2021-11-19 05:45:39,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:45:39,270 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752849831] [2021-11-19 05:45:39,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:45:39,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:45:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:45:39,711 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 523 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-19 05:45:39,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:45:39,711 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752849831] [2021-11-19 05:45:39,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752849831] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:45:39,712 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817399426] [2021-11-19 05:45:39,712 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-19 05:45:39,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:45:39,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:45:39,713 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:45:39,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-19 05:45:40,023 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-11-19 05:45:40,023 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:45:40,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-19 05:45:40,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:45:40,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-19 05:45:40,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 29 [2021-11-19 05:45:40,501 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:45:40,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 38 [2021-11-19 05:45:40,541 INFO L354 Elim1Store]: treesize reduction 53, result has 17.2 percent of original size [2021-11-19 05:45:40,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 29 [2021-11-19 05:45:40,713 INFO L354 Elim1Store]: treesize reduction 88, result has 20.7 percent of original size [2021-11-19 05:45:40,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 50 [2021-11-19 05:45:40,806 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-19 05:45:40,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 23 [2021-11-19 05:45:40,864 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 10 proven. 72 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2021-11-19 05:45:40,864 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:45:41,665 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_101| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_101| (+ |c_thrThread1of2ForFork0_~c~0#1| 1)) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_101| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-19 05:45:49,944 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_102| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_102| c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_101| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_102| 4) c_~data~0.offset) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_101| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_101| (+ |v_thrThread1of2ForFork0_~c~0#1_102| 1)))))) is different from false [2021-11-19 05:45:50,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 39 [2021-11-19 05:45:50,426 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 8 proven. 74 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2021-11-19 05:45:50,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817399426] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:45:50,427 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:45:50,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 13, 12] total 34 [2021-11-19 05:45:50,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818922860] [2021-11-19 05:45:50,427 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:45:50,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-19 05:45:50,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:45:50,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-19 05:45:50,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=846, Unknown=9, NotChecked=122, Total=1122 [2021-11-19 05:45:50,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:50,430 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:45:50,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 9.617647058823529) internal successors, (327), 34 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:45:50,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:50,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-19 05:45:50,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:45:50,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:45:50,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:45:50,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-11-19 05:45:50,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:45:50,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:45:50,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-11-19 05:45:50,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:45:50,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:45:50,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:45:50,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-19 05:45:50,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-11-19 05:45:50,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-11-19 05:45:50,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-11-19 05:45:50,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-19 05:45:50,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:45:53,217 WARN L838 $PredicateComparison]: unable to prove that (and (<= 10 c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_102| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_102| c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_101| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_102| 4) c_~data~0.offset) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_101| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_101| (+ |v_thrThread1of2ForFork0_~c~0#1_102| 1)))))) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (<= 10 |c_thrThread2of2ForFork0_~end~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-19 05:45:55,220 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_102| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_102| c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_101| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_102| 4) c_~data~0.offset) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_101| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_101| (+ |v_thrThread1of2ForFork0_~c~0#1_102| 1)))))) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0)) is different from false [2021-11-19 05:45:57,366 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 9 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_102| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_102| c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_101| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_102| 4) c_~data~0.offset) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_101| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_101| (+ |v_thrThread1of2ForFork0_~c~0#1_102| 1)))))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-19 05:45:59,432 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_102| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_102| c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_101| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_102| 4) c_~data~0.offset) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_101| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_101| (+ |v_thrThread1of2ForFork0_~c~0#1_102| 1)))))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 8) c_~next~0) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-19 05:46:01,542 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_102| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_102| c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_101| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_102| 4) c_~data~0.offset) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_101| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_101| (+ |v_thrThread1of2ForFork0_~c~0#1_102| 1)))))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0) (<= (+ 7 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-19 05:46:03,628 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (<= (+ 6 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_102| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_102| c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_101| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_102| 4) c_~data~0.offset) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_101| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_101| (+ |v_thrThread1of2ForFork0_~c~0#1_102| 1)))))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-19 05:46:05,704 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_102| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_102| c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_101| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_102| 4) c_~data~0.offset) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_101| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_101| (+ |v_thrThread1of2ForFork0_~c~0#1_102| 1)))))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (<= (+ 5 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-19 05:46:07,785 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 4) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_102| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_102| c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_101| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_102| 4) c_~data~0.offset) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_101| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_101| (+ |v_thrThread1of2ForFork0_~c~0#1_102| 1)))))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-19 05:46:09,868 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 3 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_102| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_102| c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_101| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_102| 4) c_~data~0.offset) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_101| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_101| (+ |v_thrThread1of2ForFork0_~c~0#1_102| 1)))))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-19 05:46:11,956 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 2 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_102| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_102| c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_101| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_102| 4) c_~data~0.offset) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_101| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_101| (+ |v_thrThread1of2ForFork0_~c~0#1_102| 1)))))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-19 05:46:14,047 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_102| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_102| c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_101| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_102| 4) c_~data~0.offset) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_101| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_101| (+ |v_thrThread1of2ForFork0_~c~0#1_102| 1)))))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-19 05:46:16,352 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (forall ((|v_thrThread1of2ForFork0_~c~0#1_101| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_101| (+ |c_thrThread1of2ForFork0_~c~0#1| 1)) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_101| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |c_thrThread1of2ForFork0_~c~0#1|))) is different from false [2021-11-19 05:46:18,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:46:18,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-19 05:46:18,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:46:18,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:46:18,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:46:18,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-19 05:46:18,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:46:18,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:46:18,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-11-19 05:46:18,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:46:18,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:46:18,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:46:18,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-19 05:46:18,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-19 05:46:18,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-11-19 05:46:18,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-11-19 05:46:18,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-19 05:46:18,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-11-19 05:46:18,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-19 05:46:18,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2021-11-19 05:46:18,298 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:46:18,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:46:18,298 INFO L85 PathProgramCache]: Analyzing trace with hash 755300895, now seen corresponding path program 6 times [2021-11-19 05:46:18,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:46:18,299 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197020474] [2021-11-19 05:46:18,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:46:18,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:46:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:46:18,516 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 523 proven. 119 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-19 05:46:18,516 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:46:18,516 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197020474] [2021-11-19 05:46:18,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197020474] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:46:18,516 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580012557] [2021-11-19 05:46:18,516 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-19 05:46:18,516 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:46:18,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:46:18,517 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:46:18,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-19 05:46:18,680 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-11-19 05:46:18,680 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:46:18,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-19 05:46:18,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:46:19,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-19 05:46:19,099 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:46:19,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-19 05:46:19,300 INFO L354 Elim1Store]: treesize reduction 88, result has 20.7 percent of original size [2021-11-19 05:46:19,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 48 [2021-11-19 05:46:19,356 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-19 05:46:19,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 21 [2021-11-19 05:46:19,409 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 10 proven. 182 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2021-11-19 05:46:19,409 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:46:20,018 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_104| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_104| (+ |c_thrThread1of2ForFork0_~c~0#1| 1)) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_104| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-19 05:46:24,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 36 [2021-11-19 05:46:25,825 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 10 proven. 182 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2021-11-19 05:46:25,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580012557] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:46:25,825 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:46:25,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 12] total 32 [2021-11-19 05:46:25,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526912833] [2021-11-19 05:46:25,826 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:46:25,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-11-19 05:46:25,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:46:25,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-11-19 05:46:25,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=796, Unknown=9, NotChecked=58, Total=992 [2021-11-19 05:46:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:46:25,828 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:46:25,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 11.96875) internal successors, (383), 32 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:46:25,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:46:25,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-19 05:46:25,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:46:25,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:46:25,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:46:25,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-11-19 05:46:25,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:46:25,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:46:25,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-11-19 05:46:25,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:46:25,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:46:25,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:46:25,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-19 05:46:25,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-11-19 05:46:25,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-11-19 05:46:25,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-11-19 05:46:25,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-19 05:46:25,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-11-19 05:46:25,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:46:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:46:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-19 05:46:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:46:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:46:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:46:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-19 05:46:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:46:27,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:46:27,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-11-19 05:46:27,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:46:27,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:46:27,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:46:27,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-19 05:46:27,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-19 05:46:27,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-11-19 05:46:27,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-11-19 05:46:27,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-19 05:46:27,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-11-19 05:46:27,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-19 05:46:27,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2021-11-19 05:46:27,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-11-19 05:46:27,587 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:46:27,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:46:27,591 INFO L85 PathProgramCache]: Analyzing trace with hash 244179958, now seen corresponding path program 7 times [2021-11-19 05:46:27,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:46:27,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700174678] [2021-11-19 05:46:27,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:46:27,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:46:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:46:27,952 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-19 05:46:27,952 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:46:27,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700174678] [2021-11-19 05:46:27,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700174678] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:46:27,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815580109] [2021-11-19 05:46:27,953 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-19 05:46:27,953 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:46:27,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:46:27,955 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:46:27,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-19 05:46:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:46:28,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-19 05:46:28,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:46:28,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-19 05:46:28,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 29 [2021-11-19 05:46:28,581 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:46:28,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 51 [2021-11-19 05:46:28,739 INFO L354 Elim1Store]: treesize reduction 88, result has 20.7 percent of original size [2021-11-19 05:46:28,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 50 [2021-11-19 05:46:28,802 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-19 05:46:28,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 23 [2021-11-19 05:46:28,844 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 12 proven. 513 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-19 05:46:28,844 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:46:29,424 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_107| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_107| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_107| (+ |c_thrThread1of2ForFork0_~c~0#1| 1)))) is different from false [2021-11-19 05:46:30,097 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_107| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_107| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_107| (+ |c_thrThread1of2ForFork0_~c~0#1| 1)))) is different from false [2021-11-19 05:46:30,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 36 [2021-11-19 05:46:30,507 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 10 proven. 515 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-19 05:46:30,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [815580109] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:46:30,507 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:46:30,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 35 [2021-11-19 05:46:30,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471700988] [2021-11-19 05:46:30,508 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:46:30,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-11-19 05:46:30,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:46:30,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-11-19 05:46:30,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=892, Unknown=2, NotChecked=126, Total=1190 [2021-11-19 05:46:30,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:46:30,511 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:46:30,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 9.342857142857143) internal successors, (327), 35 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:46:30,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:46:30,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-19 05:46:30,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:46:30,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:46:30,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:46:30,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-11-19 05:46:30,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:46:30,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:46:30,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-11-19 05:46:30,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:46:30,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:46:30,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:46:30,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-19 05:46:30,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-11-19 05:46:30,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-11-19 05:46:30,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-11-19 05:46:30,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-19 05:46:30,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-11-19 05:46:30,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-19 05:46:30,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:46:33,442 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_85| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_85| c_~next~0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_85| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (<= (+ 5 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-19 05:46:33,980 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_85| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_85| c_~next~0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_85| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (<= (+ 5 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-19 05:46:35,119 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|v_thrThread1of2ForFork0_~c~0#1_81| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_81| c_~next~0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_81| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-19 05:46:37,053 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_81| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_81| c_~next~0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_81| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 8) c_~next~0)) is different from false [2021-11-19 05:46:37,583 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_81| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_81| c_~next~0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_81| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 8) c_~next~0)) is different from false [2021-11-19 05:46:42,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:46:42,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-19 05:46:42,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:46:42,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:46:42,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:46:42,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-19 05:46:42,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:46:42,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:46:42,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2021-11-19 05:46:42,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:46:42,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:46:42,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:46:42,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-11-19 05:46:42,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-11-19 05:46:42,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-11-19 05:46:42,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-11-19 05:46:42,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-19 05:46:42,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-11-19 05:46:42,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-19 05:46:42,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-11-19 05:46:42,289 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-19 05:46:42,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-11-19 05:46:42,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:46:42,493 INFO L732 BasicCegarLoop]: Path program histogram: [7, 4, 3, 1, 1, 1, 1, 1, 1] [2021-11-19 05:46:42,493 INFO L308 ceAbstractionStarter]: Result for error location thrThread2of2ForFork0 was SAFE (1/3) [2021-11-19 05:46:42,510 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-19 05:46:42,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:46:42,527 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-19 05:46:42,583 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thrThread1of2ForFork0 ======== [2021-11-19 05:46:42,584 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 05:46:42,584 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 05:46:42,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (18)] Waiting until timeout for monitored process [2021-11-19 05:46:42,735 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:46:42,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:46:42,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1314986904, now seen corresponding path program 1 times [2021-11-19 05:46:42,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:46:42,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483810216] [2021-11-19 05:46:42,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:46:42,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:46:42,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:46:42,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:46:42,750 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:46:42,750 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483810216] [2021-11-19 05:46:42,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483810216] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:46:42,750 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:46:42,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 05:46:42,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217673981] [2021-11-19 05:46:42,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:46:42,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 05:46:42,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:46:42,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 05:46:42,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 05:46:42,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:46:42,752 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:46:42,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:46:42,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:46:42,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:46:42,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-19 05:46:42,757 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:46:42,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:46:42,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1543138609, now seen corresponding path program 1 times [2021-11-19 05:46:42,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:46:42,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086838699] [2021-11-19 05:46:42,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:46:42,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:46:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:46:42,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:46:42,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:46:42,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086838699] [2021-11-19 05:46:42,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086838699] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:46:42,834 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:46:42,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 05:46:42,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649536091] [2021-11-19 05:46:42,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:46:42,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 05:46:42,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:46:42,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 05:46:42,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 05:46:42,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:46:42,836 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:46:42,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:46:42,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:46:42,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:46:42,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:46:42,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:46:42,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-19 05:46:42,992 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:46:42,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:46:42,993 INFO L85 PathProgramCache]: Analyzing trace with hash -216175272, now seen corresponding path program 1 times [2021-11-19 05:46:42,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:46:42,993 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317847641] [2021-11-19 05:46:42,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:46:42,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:46:43,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:46:43,145 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-19 05:46:43,145 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:46:43,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317847641] [2021-11-19 05:46:43,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317847641] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:46:43,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561406721] [2021-11-19 05:46:43,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:46:43,145 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:46:43,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:46:43,178 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:46:43,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-11-19 05:46:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:46:43,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-19 05:46:43,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:46:43,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-19 05:46:43,568 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:46:43,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-11-19 05:46:43,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2021-11-19 05:46:43,612 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-19 05:46:43,612 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:46:44,948 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 6 refuted. 4 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-19 05:46:44,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561406721] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:46:44,948 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:46:44,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 19 [2021-11-19 05:46:44,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174249201] [2021-11-19 05:46:44,949 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:46:44,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-19 05:46:44,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:46:44,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-19 05:46:44,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=289, Unknown=2, NotChecked=0, Total=342 [2021-11-19 05:46:44,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:46:44,950 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:46:44,950 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.368421052631579) internal successors, (159), 19 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:46:44,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:46:44,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:46:44,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:46:45,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:46:45,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:46:45,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:46:45,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-11-19 05:46:45,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:46:45,432 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:46:45,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:46:45,433 INFO L85 PathProgramCache]: Analyzing trace with hash 944474749, now seen corresponding path program 1 times [2021-11-19 05:46:45,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:46:45,433 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589426990] [2021-11-19 05:46:45,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:46:45,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:46:45,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:46:45,748 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-19 05:46:45,748 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:46:45,748 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589426990] [2021-11-19 05:46:45,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589426990] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:46:45,748 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532881634] [2021-11-19 05:46:45,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:46:45,749 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:46:45,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:46:45,750 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:46:45,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-11-19 05:46:45,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:46:45,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-19 05:46:45,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:46:45,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 05:46:45,908 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-19 05:46:45,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-19 05:46:46,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-19 05:46:46,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-19 05:46:46,262 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:46:46,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-19 05:46:46,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-19 05:46:46,386 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:46:46,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 43 [2021-11-19 05:46:46,438 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-19 05:46:46,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 15 [2021-11-19 05:46:46,485 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-19 05:46:46,485 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:46:47,143 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_159| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_159| c_~next~0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_159| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-19 05:46:48,386 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|v_thrThread2of2ForFork0_~c~0#1_159| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_159| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |c_ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_159| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-19 05:46:49,178 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre6#1_58| Int) (|v_thrThread2of2ForFork0_~c~0#1_159| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_159| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_58|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_159| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-19 05:46:49,274 INFO L354 Elim1Store]: treesize reduction 23, result has 60.3 percent of original size [2021-11-19 05:46:49,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 56 [2021-11-19 05:46:49,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2021-11-19 05:46:49,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2021-11-19 05:46:49,590 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 15 not checked. [2021-11-19 05:46:49,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532881634] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:46:49,591 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:46:49,591 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 17] total 34 [2021-11-19 05:46:49,591 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87021306] [2021-11-19 05:46:49,591 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:46:49,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-19 05:46:49,592 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:46:49,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-19 05:46:49,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=816, Unknown=3, NotChecked=180, Total=1122 [2021-11-19 05:46:49,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:46:49,593 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:46:49,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 6.352941176470588) internal successors, (216), 34 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:46:49,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:46:49,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:46:49,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:46:49,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:46:50,429 WARN L838 $PredicateComparison]: unable to prove that (and (<= 10 |c_thrThread1of2ForFork0_~end~0#1|) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (= (select |c_#valid| |c_ULTIMATE.start_main_~#t~0#1.base|) 1) (<= 10 c_~next~0) (= |c_thrThread1of2ForFork0_~c~0#1| 0) (forall ((|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre6#1_58| Int) (|v_thrThread2of2ForFork0_~c~0#1_159| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_159| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_58|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_159| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= (+ 9 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-19 05:46:51,071 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre6#1_58| Int) (|v_thrThread2of2ForFork0_~c~0#1_159| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_159| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_58|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_159| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= (+ 9 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-19 05:46:51,763 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (not (= |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1| 0)) (forall ((|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre6#1_58| Int) (|v_thrThread2of2ForFork0_~c~0#1_159| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_159| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_58|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_159| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= (+ 9 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-19 05:46:52,459 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (not (= |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1| 0)) (forall ((|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre6#1_58| Int) (|v_thrThread2of2ForFork0_~c~0#1_159| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_159| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_58|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_159| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0)) is different from false [2021-11-19 05:46:52,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:46:52,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:46:52,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:46:52,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-19 05:46:52,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-11-19 05:46:52,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:46:52,705 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:46:52,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:46:52,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1613186511, now seen corresponding path program 2 times [2021-11-19 05:46:52,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:46:52,705 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370381232] [2021-11-19 05:46:52,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:46:52,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:46:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:46:53,020 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-19 05:46:53,020 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:46:53,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370381232] [2021-11-19 05:46:53,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370381232] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:46:53,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405698370] [2021-11-19 05:46:53,021 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-19 05:46:53,021 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:46:53,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:46:53,022 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:46:53,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-11-19 05:46:53,105 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-19 05:46:53,105 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:46:53,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-19 05:46:53,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:46:53,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-19 05:46:53,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:46:53,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-19 05:46:53,727 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:46:53,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-11-19 05:46:53,839 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:46:53,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 31 [2021-11-19 05:46:53,908 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-19 05:46:53,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 15 [2021-11-19 05:46:53,970 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 9 proven. 63 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-19 05:46:53,970 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:46:54,598 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_163| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_163| c_~next~0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_163| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-19 05:46:55,435 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_163| Int) (|ULTIMATE.start_main_#t~pre6#1| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |c_ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_163| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_163| c_~next~0))) is different from false [2021-11-19 05:46:56,200 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_163| Int) (|v_ULTIMATE.start_main_#t~pre6#1_64| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_163| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_64|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_163| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-19 05:46:56,280 INFO L354 Elim1Store]: treesize reduction 23, result has 60.3 percent of original size [2021-11-19 05:46:56,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 56 [2021-11-19 05:46:56,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2021-11-19 05:46:56,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2021-11-19 05:46:56,824 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 15 not checked. [2021-11-19 05:46:56,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [405698370] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:46:56,824 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:46:56,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 19] total 45 [2021-11-19 05:46:56,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991250662] [2021-11-19 05:46:56,824 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:46:56,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2021-11-19 05:46:56,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:46:56,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-11-19 05:46:56,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=1506, Unknown=3, NotChecked=246, Total=1980 [2021-11-19 05:46:56,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:46:56,826 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:46:56,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 7.044444444444444) internal successors, (317), 45 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:46:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:46:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:46:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:46:56,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-19 05:46:56,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:46:58,185 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_thrThread1of2ForFork0_~c~0#1| 10))) (and (<= 10 |c_thrThread1of2ForFork0_~end~0#1|) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (= (select |c_#valid| |c_ULTIMATE.start_main_~#t~0#1.base|) 1) (<= .cse0 c_~next~0) (<= 10 c_~next~0) (= |c_thrThread1of2ForFork0_~c~0#1| 0) (<= .cse0 |c_thrThread1of2ForFork0_~end~0#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_163| Int) (|v_ULTIMATE.start_main_#t~pre6#1_64| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_163| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_64|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_163| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= (+ 7 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_#StackHeapBarrier| |c_ULTIMATE.start_main_~#t~0#1.base|))) is different from false [2021-11-19 05:46:58,853 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_163| Int) (|v_ULTIMATE.start_main_#t~pre6#1_64| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_163| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_64|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_163| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= (+ 7 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|)) is different from false [2021-11-19 05:46:59,639 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_163| Int) (|v_ULTIMATE.start_main_#t~pre6#1_64| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_163| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_64|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_163| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= (+ 7 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (<= (+ 9 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-19 05:47:00,354 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 8 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_163| Int) (|v_ULTIMATE.start_main_#t~pre6#1_64| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_163| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_64|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_163| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= (+ 7 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|)) is different from false [2021-11-19 05:47:01,077 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_163| Int) (|v_ULTIMATE.start_main_#t~pre6#1_64| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_163| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_64|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_163| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= (+ 7 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|)) is different from false [2021-11-19 05:47:01,856 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (< (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_163| Int) (|v_ULTIMATE.start_main_#t~pre6#1_64| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_163| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_64|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_163| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|)) is different from false [2021-11-19 05:47:02,567 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) c_~next~0) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_163| Int) (|v_ULTIMATE.start_main_#t~pre6#1_64| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_163| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_64|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_163| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|)) is different from false [2021-11-19 05:47:03,302 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_163| Int) (|v_ULTIMATE.start_main_#t~pre6#1_64| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_163| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_64|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_163| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0)) is different from false [2021-11-19 05:47:03,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:47:03,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:47:03,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:47:03,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-19 05:47:03,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-11-19 05:47:03,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-11-19 05:47:03,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-11-19 05:47:03,747 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:47:03,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:47:03,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1244117619, now seen corresponding path program 3 times [2021-11-19 05:47:03,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:47:03,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387764872] [2021-11-19 05:47:03,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:47:03,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:47:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:47:04,221 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-19 05:47:04,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:47:04,222 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387764872] [2021-11-19 05:47:04,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387764872] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:47:04,222 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849679021] [2021-11-19 05:47:04,222 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-19 05:47:04,222 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:47:04,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:47:04,223 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:47:04,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-11-19 05:47:04,313 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-19 05:47:04,313 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:47:04,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-19 05:47:04,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:47:04,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-19 05:47:05,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:47:05,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-19 05:47:05,126 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:47:05,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-11-19 05:47:05,268 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:47:05,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 29 [2021-11-19 05:47:05,317 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-19 05:47:05,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 13 [2021-11-19 05:47:05,368 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2021-11-19 05:47:05,368 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:47:05,983 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_167| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0))) is different from false [2021-11-19 05:47:06,883 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|v_thrThread2of2ForFork0_~c~0#1_167| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |c_ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0))) is different from false [2021-11-19 05:47:08,662 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_167| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre6#1_70| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_70|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0))) is different from false [2021-11-19 05:47:08,757 INFO L354 Elim1Store]: treesize reduction 23, result has 60.3 percent of original size [2021-11-19 05:47:08,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 56 [2021-11-19 05:47:08,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2021-11-19 05:47:08,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2021-11-19 05:47:09,405 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 259 trivial. 15 not checked. [2021-11-19 05:47:09,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [849679021] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:47:09,405 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:47:09,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 14, 15] total 42 [2021-11-19 05:47:09,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771788605] [2021-11-19 05:47:09,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:47:09,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2021-11-19 05:47:09,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:47:09,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-11-19 05:47:09,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=1329, Unknown=3, NotChecked=228, Total=1722 [2021-11-19 05:47:09,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:47:09,408 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:47:09,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 7.761904761904762) internal successors, (326), 42 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:47:09,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:47:09,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:47:09,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:47:09,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-19 05:47:09,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-11-19 05:47:09,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:47:10,376 WARN L838 $PredicateComparison]: unable to prove that (and (<= 10 |c_thrThread1of2ForFork0_~end~0#1|) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (= (select |c_#valid| |c_ULTIMATE.start_main_~#t~0#1.base|) 1) (<= (+ 3 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (<= 10 c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_167| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre6#1_70| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_70|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0))) (= |c_thrThread1of2ForFork0_~c~0#1| 0) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (< |c_#StackHeapBarrier| |c_ULTIMATE.start_main_~#t~0#1.base|)) is different from false [2021-11-19 05:47:11,041 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ 3 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_167| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre6#1_70| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_70|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0)) is different from false [2021-11-19 05:47:11,906 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 3 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_167| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre6#1_70| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_70|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0))) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (<= (+ 9 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-19 05:47:12,715 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 8 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 3 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_167| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre6#1_70| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_70|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0))) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0)) is different from false [2021-11-19 05:47:13,468 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 3 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_167| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre6#1_70| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_70|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0))) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (<= (+ 7 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0)) is different from false [2021-11-19 05:47:14,323 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 3 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_167| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre6#1_70| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_70|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0))) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= (+ 6 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0)) is different from false [2021-11-19 05:47:15,235 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ 5 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 3 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_167| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre6#1_70| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_70|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0))) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0)) is different from false [2021-11-19 05:47:16,042 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ |c_thrThread1of2ForFork0_~c~0#1| 4) c_~next~0) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 3 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_167| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre6#1_70| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_70|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0))) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0)) is different from false [2021-11-19 05:47:16,869 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 3 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_167| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre6#1_70| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_70|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0))) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0)) is different from false [2021-11-19 05:47:17,634 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_167| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre6#1_70| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_70|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0))) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0)) is different from false [2021-11-19 05:47:18,265 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_167| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre6#1_70| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_70|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0)) is different from false [2021-11-19 05:47:18,887 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|v_thrThread2of2ForFork0_~c~0#1_167| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |c_ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0)) is different from false [2021-11-19 05:47:19,409 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_167| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0)))) is different from false [2021-11-19 05:47:19,974 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_167| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0)))) is different from false [2021-11-19 05:47:20,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:47:20,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:47:20,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:47:20,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-19 05:47:20,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-11-19 05:47:20,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-19 05:47:20,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-11-19 05:47:20,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-11-19 05:47:20,278 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:47:20,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:47:20,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1562467603, now seen corresponding path program 1 times [2021-11-19 05:47:20,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:47:20,278 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015170799] [2021-11-19 05:47:20,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:47:20,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:47:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:47:20,792 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 419 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-19 05:47:20,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:47:20,793 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015170799] [2021-11-19 05:47:20,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015170799] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:47:20,793 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290719813] [2021-11-19 05:47:20,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:47:20,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:47:20,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:47:20,794 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:47:20,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-11-19 05:47:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:47:20,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-19 05:47:20,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:47:20,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 05:47:20,950 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-19 05:47:20,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-19 05:47:21,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-19 05:47:21,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-19 05:47:21,690 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:47:21,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-19 05:47:21,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 29 [2021-11-19 05:47:21,803 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:47:21,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 38 [2021-11-19 05:47:21,845 INFO L354 Elim1Store]: treesize reduction 53, result has 17.2 percent of original size [2021-11-19 05:47:21,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 29 [2021-11-19 05:47:22,013 INFO L354 Elim1Store]: treesize reduction 88, result has 20.7 percent of original size [2021-11-19 05:47:22,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 50 [2021-11-19 05:47:22,098 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-19 05:47:22,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 23 [2021-11-19 05:47:22,157 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 11 proven. 408 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-19 05:47:22,158 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:47:22,735 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ |c_thrThread2of2ForFork0_~c~0#1| 1)) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-19 05:47:23,398 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ |c_thrThread2of2ForFork0_~c~0#1| 1)) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-19 05:47:25,481 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_173| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))))) is different from false [2021-11-19 05:47:27,690 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|v_thrThread2of2ForFork0_~c~0#1_172| Int) (|v_thrThread2of2ForFork0_~c~0#1_173| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |c_ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))) is different from false [2021-11-19 05:47:29,855 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int) (|v_ULTIMATE.start_main_#t~pre6#1_76| Int) (|v_thrThread2of2ForFork0_~c~0#1_173| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_76|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))) is different from false [2021-11-19 05:47:30,011 INFO L354 Elim1Store]: treesize reduction 23, result has 60.3 percent of original size [2021-11-19 05:47:30,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 68 [2021-11-19 05:47:30,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 56 [2021-11-19 05:47:30,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 105 [2021-11-19 05:47:30,971 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 408 refuted. 0 times theorem prover too weak. 0 trivial. 17 not checked. [2021-11-19 05:47:30,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290719813] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:47:30,972 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:47:30,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 26, 26] total 45 [2021-11-19 05:47:30,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637852162] [2021-11-19 05:47:30,972 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:47:30,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2021-11-19 05:47:30,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:47:30,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-11-19 05:47:30,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=1359, Unknown=5, NotChecked=400, Total=1980 [2021-11-19 05:47:30,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:47:30,975 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:47:30,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 7.644444444444445) internal successors, (344), 45 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:47:30,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:47:30,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:47:30,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:47:30,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-19 05:47:30,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-11-19 05:47:30,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-19 05:47:30,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:47:32,240 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (<= 10 |c_thrThread1of2ForFork0_~end~0#1|) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int) (|v_ULTIMATE.start_main_#t~pre6#1_76| Int) (|v_thrThread2of2ForFork0_~c~0#1_173| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_76|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))) (= (select |c_#valid| |c_ULTIMATE.start_main_~#t~0#1.base|) 1) (<= 10 c_~next~0) (= |c_thrThread1of2ForFork0_~c~0#1| 0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:47:34,256 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int) (|v_ULTIMATE.start_main_#t~pre6#1_76| Int) (|v_thrThread2of2ForFork0_~c~0#1_173| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_76|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:47:35,866 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int) (|v_ULTIMATE.start_main_#t~pre6#1_76| Int) (|v_thrThread2of2ForFork0_~c~0#1_173| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_76|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (<= (+ 9 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-19 05:47:37,309 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 8 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int) (|v_ULTIMATE.start_main_#t~pre6#1_76| Int) (|v_thrThread2of2ForFork0_~c~0#1_173| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_76|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|)) is different from false [2021-11-19 05:47:38,411 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int) (|v_ULTIMATE.start_main_#t~pre6#1_76| Int) (|v_thrThread2of2ForFork0_~c~0#1_173| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_76|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 7 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|)) is different from false [2021-11-19 05:47:39,541 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int) (|v_ULTIMATE.start_main_#t~pre6#1_76| Int) (|v_thrThread2of2ForFork0_~c~0#1_173| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_76|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= (+ 6 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|)) is different from false [2021-11-19 05:47:41,065 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int) (|v_ULTIMATE.start_main_#t~pre6#1_76| Int) (|v_thrThread2of2ForFork0_~c~0#1_173| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_76|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))) (<= (+ 5 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|)) is different from false [2021-11-19 05:47:42,485 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int) (|v_ULTIMATE.start_main_#t~pre6#1_76| Int) (|v_thrThread2of2ForFork0_~c~0#1_173| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_76|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))) (<= (+ |c_thrThread1of2ForFork0_~c~0#1| 4) c_~next~0) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|)) is different from false [2021-11-19 05:47:44,608 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int) (|v_ULTIMATE.start_main_#t~pre6#1_76| Int) (|v_thrThread2of2ForFork0_~c~0#1_173| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_76|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 3 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|)) is different from false [2021-11-19 05:47:46,724 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int) (|v_ULTIMATE.start_main_#t~pre6#1_76| Int) (|v_thrThread2of2ForFork0_~c~0#1_173| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_76|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|)) is different from false [2021-11-19 05:47:47,907 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ |c_thrThread1of2ForFork0_~c~0#1| 1) c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int) (|v_ULTIMATE.start_main_#t~pre6#1_76| Int) (|v_thrThread2of2ForFork0_~c~0#1_173| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_76|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|)) is different from false [2021-11-19 05:47:49,975 WARN L838 $PredicateComparison]: unable to prove that (and (<= |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int) (|v_ULTIMATE.start_main_#t~pre6#1_76| Int) (|v_thrThread2of2ForFork0_~c~0#1_173| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_76|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))) (not (= |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1| 0))) is different from false [2021-11-19 05:47:50,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:47:50,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:47:50,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:47:50,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-19 05:47:50,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-11-19 05:47:50,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-19 05:47:50,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-11-19 05:47:50,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2021-11-19 05:47:50,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-11-19 05:47:50,271 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:47:50,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:47:50,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1231244850, now seen corresponding path program 2 times [2021-11-19 05:47:50,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:47:50,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603059489] [2021-11-19 05:47:50,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:47:50,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:47:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:47:50,517 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 647 proven. 121 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-19 05:47:50,517 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:47:50,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603059489] [2021-11-19 05:47:50,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603059489] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:47:50,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939227291] [2021-11-19 05:47:50,518 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-19 05:47:50,518 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:47:50,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:47:50,519 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:47:50,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-11-19 05:47:50,625 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-19 05:47:50,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:47:50,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-19 05:47:50,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:47:51,160 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 760 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-19 05:47:51,160 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:47:51,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939227291] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:47:51,161 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:47:51,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [16] total 18 [2021-11-19 05:47:51,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608067838] [2021-11-19 05:47:51,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:47:51,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 05:47:51,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:47:51,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 05:47:51,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2021-11-19 05:47:51,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:47:51,162 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:47:51,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 15.928571428571429) internal successors, (223), 14 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:47:51,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:47:51,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:47:51,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:47:51,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-19 05:47:51,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-11-19 05:47:51,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-19 05:47:51,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-11-19 05:47:51,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:47:53,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:47:53,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:47:53,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:47:53,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-19 05:47:53,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-11-19 05:47:53,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-19 05:47:53,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-11-19 05:47:53,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:47:53,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2021-11-19 05:47:53,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:47:53,634 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:47:53,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:47:53,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1945164621, now seen corresponding path program 3 times [2021-11-19 05:47:53,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:47:53,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268947790] [2021-11-19 05:47:53,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:47:53,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:47:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:47:54,272 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 12 proven. 526 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-19 05:47:54,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:47:54,272 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268947790] [2021-11-19 05:47:54,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268947790] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:47:54,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799021046] [2021-11-19 05:47:54,273 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-19 05:47:54,273 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:47:54,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:47:54,274 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:47:54,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-11-19 05:47:54,346 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-19 05:47:54,346 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:47:54,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-19 05:47:54,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:47:54,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 05:47:54,407 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-19 05:47:54,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-19 05:47:55,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-19 05:47:55,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-19 05:47:55,142 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:47:55,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-19 05:47:55,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 29 [2021-11-19 05:47:55,257 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:47:55,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 38 [2021-11-19 05:47:55,307 INFO L354 Elim1Store]: treesize reduction 53, result has 17.2 percent of original size [2021-11-19 05:47:55,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 29 [2021-11-19 05:47:55,484 INFO L354 Elim1Store]: treesize reduction 88, result has 20.7 percent of original size [2021-11-19 05:47:55,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 50 [2021-11-19 05:47:55,563 INFO L354 Elim1Store]: treesize reduction 120, result has 16.1 percent of original size [2021-11-19 05:47:55,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 59 treesize of output 53 [2021-11-19 05:47:55,919 INFO L354 Elim1Store]: treesize reduction 156, result has 17.9 percent of original size [2021-11-19 05:47:55,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 69 [2021-11-19 05:47:56,015 INFO L354 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2021-11-19 05:47:56,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 71 treesize of output 31 [2021-11-19 05:47:56,071 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 25 proven. 72 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2021-11-19 05:47:56,071 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:47:56,707 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_179| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ |c_thrThread2of2ForFork0_~c~0#1| 1)) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-19 05:48:03,421 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_180| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ |c_thrThread2of2ForFork0_~c~0#1| 1)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_179| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))))) is different from false [2021-11-19 05:48:22,031 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int)) (or (forall ((|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|)) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0))) is different from false [2021-11-19 05:48:24,595 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int) (|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|ULTIMATE.start_main_#t~pre6#1| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|)) (= (select (store (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |c_ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-19 05:48:27,160 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int) (|v_ULTIMATE.start_main_#t~pre6#1_82| Int) (|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_82|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|)))) is different from false [2021-11-19 05:48:27,625 INFO L354 Elim1Store]: treesize reduction 23, result has 60.3 percent of original size [2021-11-19 05:48:27,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 78 treesize of output 80 [2021-11-19 05:48:27,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 68 [2021-11-19 05:48:27,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 205 treesize of output 187 [2021-11-19 05:48:28,624 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 76 refuted. 3 times theorem prover too weak. 441 trivial. 24 not checked. [2021-11-19 05:48:28,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799021046] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:48:28,624 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:48:28,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 20, 19] total 49 [2021-11-19 05:48:28,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096543538] [2021-11-19 05:48:28,625 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:48:28,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2021-11-19 05:48:28,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:48:28,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-11-19 05:48:28,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=1663, Unknown=18, NotChecked=440, Total=2352 [2021-11-19 05:48:28,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:48:28,628 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:48:28,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 7.775510204081633) internal successors, (381), 49 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:48:28,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:48:28,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:48:28,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:48:28,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-19 05:48:28,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-11-19 05:48:28,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-19 05:48:28,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-11-19 05:48:28,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:48:28,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:48:29,942 WARN L838 $PredicateComparison]: unable to prove that (and (<= 10 |c_thrThread1of2ForFork0_~end~0#1|) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ |c_thrThread1of2ForFork0_~c~0#1| 1) c_~next~0) (= (select |c_#valid| |c_ULTIMATE.start_main_~#t~0#1.base|) 1) (<= 10 c_~next~0) (= |c_thrThread1of2ForFork0_~c~0#1| 0) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int) (|v_ULTIMATE.start_main_#t~pre6#1_82| Int) (|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_82|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|))))) is different from false [2021-11-19 05:48:31,340 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ |c_thrThread1of2ForFork0_~c~0#1| 1) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int) (|v_ULTIMATE.start_main_#t~pre6#1_82| Int) (|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_82|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|))))) is different from false [2021-11-19 05:48:32,943 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ |c_thrThread1of2ForFork0_~c~0#1| 1) c_~next~0) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int) (|v_ULTIMATE.start_main_#t~pre6#1_82| Int) (|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_82|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|)))) (<= (+ 9 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-19 05:48:35,051 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 8 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ |c_thrThread1of2ForFork0_~c~0#1| 1) c_~next~0) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int) (|v_ULTIMATE.start_main_#t~pre6#1_82| Int) (|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_82|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|))))) is different from false [2021-11-19 05:48:37,159 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ |c_thrThread1of2ForFork0_~c~0#1| 1) c_~next~0) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (<= (+ 7 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int) (|v_ULTIMATE.start_main_#t~pre6#1_82| Int) (|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_82|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|))))) is different from false [2021-11-19 05:48:39,271 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ |c_thrThread1of2ForFork0_~c~0#1| 1) c_~next~0) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= (+ 6 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int) (|v_ULTIMATE.start_main_#t~pre6#1_82| Int) (|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_82|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|))))) is different from false [2021-11-19 05:48:41,387 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ |c_thrThread1of2ForFork0_~c~0#1| 1) c_~next~0) (<= (+ 5 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int) (|v_ULTIMATE.start_main_#t~pre6#1_82| Int) (|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_82|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|))))) is different from false [2021-11-19 05:48:43,509 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ |c_thrThread1of2ForFork0_~c~0#1| 1) c_~next~0) (<= (+ |c_thrThread1of2ForFork0_~c~0#1| 4) c_~next~0) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int) (|v_ULTIMATE.start_main_#t~pre6#1_82| Int) (|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_82|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|))))) is different from false [2021-11-19 05:48:45,642 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ |c_thrThread1of2ForFork0_~c~0#1| 1) c_~next~0) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 3 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int) (|v_ULTIMATE.start_main_#t~pre6#1_82| Int) (|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_82|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|))))) is different from false [2021-11-19 05:48:47,771 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ |c_thrThread1of2ForFork0_~c~0#1| 1) c_~next~0) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int) (|v_ULTIMATE.start_main_#t~pre6#1_82| Int) (|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_82|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|))))) is different from false [2021-11-19 05:48:49,911 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ |c_thrThread1of2ForFork0_~c~0#1| 1) c_~next~0) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int) (|v_ULTIMATE.start_main_#t~pre6#1_82| Int) (|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_82|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|))))) is different from false [2021-11-19 05:48:51,946 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int) (|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|ULTIMATE.start_main_#t~pre6#1| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|)) (= (select (store (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |c_ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ |c_thrThread1of2ForFork0_~c~0#1| 1) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:48:53,953 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int)) (or (forall ((|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|)) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0))) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ |c_thrThread1of2ForFork0_~c~0#1| 1) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:48:55,959 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int)) (or (forall ((|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|)) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0))) (<= (+ |c_thrThread1of2ForFork0_~c~0#1| 1) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:48:58,064 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_179| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ |c_thrThread2of2ForFork0_~c~0#1| 1)) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (forall ((|v_thrThread2of2ForFork0_~c~0#1_180| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ |c_thrThread2of2ForFork0_~c~0#1| 1)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_179| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))))) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |c_thrThread2of2ForFork0_~c~0#1|))) is different from false [2021-11-19 05:49:00,072 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (exists ((|v_thrThread2of2ForFork0_~c~0#1_177| Int)) (and (<= (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_177|) (= (select (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_177| 4) c_~data~0.offset)) 1) (<= (+ 1 |v_thrThread2of2ForFork0_~c~0#1_177|) |c_thrThread2of2ForFork0_~c~0#1|))) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_179| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ |c_thrThread2of2ForFork0_~c~0#1| 1)) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (forall ((|v_thrThread2of2ForFork0_~c~0#1_180| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ |c_thrThread2of2ForFork0_~c~0#1| 1)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_179| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))))) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-19 05:49:00,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:49:00,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:49:00,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:49:00,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-19 05:49:00,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-11-19 05:49:00,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-19 05:49:00,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-11-19 05:49:00,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:49:00,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-11-19 05:49:00,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2021-11-19 05:49:00,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-11-19 05:49:00,375 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:49:00,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:49:00,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1284615935, now seen corresponding path program 1 times [2021-11-19 05:49:00,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:49:00,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395444297] [2021-11-19 05:49:00,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:49:00,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:49:00,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:49:00,425 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2021-11-19 05:49:00,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:49:00,425 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395444297] [2021-11-19 05:49:00,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395444297] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:49:00,425 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:49:00,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 05:49:00,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295414336] [2021-11-19 05:49:00,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:49:00,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 05:49:00,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:49:00,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 05:49:00,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 05:49:00,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:49:00,427 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:49:00,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:49:00,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:49:00,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:49:00,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:49:00,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-19 05:49:00,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-11-19 05:49:00,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-19 05:49:00,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-11-19 05:49:00,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:49:00,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-11-19 05:49:00,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:49:03,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:49:03,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:49:03,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:49:03,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-19 05:49:03,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-11-19 05:49:03,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-11-19 05:49:03,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-11-19 05:49:03,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:49:03,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-11-19 05:49:03,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:49:03,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-19 05:49:03,440 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:49:03,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:49:03,441 INFO L85 PathProgramCache]: Analyzing trace with hash -441929258, now seen corresponding path program 4 times [2021-11-19 05:49:03,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:49:03,441 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087592503] [2021-11-19 05:49:03,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:49:03,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:49:03,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:49:03,876 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 0 proven. 524 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-19 05:49:03,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:49:03,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087592503] [2021-11-19 05:49:03,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087592503] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:49:03,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345104032] [2021-11-19 05:49:03,876 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-19 05:49:03,876 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:49:03,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:49:03,878 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:49:03,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-11-19 05:49:03,986 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-19 05:49:03,986 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:49:03,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-19 05:49:03,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:49:04,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-19 05:49:04,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 29 [2021-11-19 05:49:04,638 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:49:04,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 51 [2021-11-19 05:49:04,826 INFO L354 Elim1Store]: treesize reduction 88, result has 20.7 percent of original size [2021-11-19 05:49:04,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 50 [2021-11-19 05:49:04,906 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-19 05:49:04,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 23 [2021-11-19 05:49:04,960 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 11 proven. 513 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-19 05:49:04,960 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:49:05,837 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_186| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_186| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_186| (+ |c_thrThread2of2ForFork0_~c~0#1| 1)))) is different from false [2021-11-19 05:49:06,821 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_186| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_186| (+ |c_thrThread2of2ForFork0_~c~0#1| 1)) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_186| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-19 05:49:06,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 36 [2021-11-19 05:49:07,380 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 9 proven. 515 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-19 05:49:07,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [345104032] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:49:07,380 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:49:07,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 35 [2021-11-19 05:49:07,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990633898] [2021-11-19 05:49:07,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:49:07,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-11-19 05:49:07,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:49:07,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-11-19 05:49:07,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=892, Unknown=2, NotChecked=126, Total=1190 [2021-11-19 05:49:07,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:49:07,382 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:49:07,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 9.228571428571428) internal successors, (323), 35 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:49:07,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:49:07,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:49:07,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:49:07,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-19 05:49:07,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-11-19 05:49:07,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-11-19 05:49:07,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-11-19 05:49:07,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:49:07,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-11-19 05:49:07,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:49:07,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:49:10,002 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|v_thrThread2of2ForFork0_~c~0#1_172| Int) (|v_thrThread2of2ForFork0_~c~0#1_173| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |c_ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:49:12,014 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_173| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))))) (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:49:14,017 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_173| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))))) (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:49:14,865 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ |c_thrThread2of2ForFork0_~c~0#1| 1)) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-19 05:49:15,674 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ |c_thrThread2of2ForFork0_~c~0#1| 1)) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))))) is different from false [2021-11-19 05:49:16,416 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ |c_thrThread2of2ForFork0_~c~0#1| 1)) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))))) is different from false [2021-11-19 05:49:17,673 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|v_thrThread2of2ForFork0_~c~0#1_167| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |c_ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0))) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ 3 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0)) is different from false [2021-11-19 05:49:18,482 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ 3 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_167| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0)))) is different from false [2021-11-19 05:49:19,221 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 3 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_167| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0)))) is different from false [2021-11-19 05:49:22,017 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_163| Int) (|ULTIMATE.start_main_#t~pre6#1| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |c_ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_163| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_163| c_~next~0))) (<= (+ 7 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|)) is different from false [2021-11-19 05:49:22,796 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_163| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_163| c_~next~0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_163| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= (+ 7 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|)) is different from false [2021-11-19 05:49:23,577 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_163| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_163| c_~next~0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_163| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= (+ 7 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:49:25,669 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|ULTIMATE.start_main_#t~pre6#1| Int) (|v_thrThread2of2ForFork0_~c~0#1_159| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_159| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |c_ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre6#1|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_159| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= (+ 9 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-19 05:49:26,454 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_159| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_159| c_~next~0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_159| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= (+ 9 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-19 05:49:27,248 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_159| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_159| c_~next~0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_159| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= (+ 9 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-19 05:49:32,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:49:32,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:49:32,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:49:32,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-19 05:49:32,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-11-19 05:49:32,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-11-19 05:49:32,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-11-19 05:49:32,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:49:32,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-19 05:49:32,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:49:32,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-11-19 05:49:32,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2021-11-19 05:49:32,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:49:32,971 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:49:32,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:49:32,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1838239499, now seen corresponding path program 4 times [2021-11-19 05:49:32,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:49:32,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130909924] [2021-11-19 05:49:32,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:49:32,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:49:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:49:33,276 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 345 proven. 177 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-19 05:49:33,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:49:33,276 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130909924] [2021-11-19 05:49:33,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130909924] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:49:33,276 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565283968] [2021-11-19 05:49:33,276 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-19 05:49:33,276 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:49:33,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:49:33,277 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:49:33,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-11-19 05:49:33,360 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-19 05:49:33,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:49:33,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 05:49:33,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:49:33,683 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2021-11-19 05:49:33,683 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:49:33,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565283968] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:49:33,683 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:49:33,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2021-11-19 05:49:33,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862710259] [2021-11-19 05:49:33,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:49:33,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:49:33,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:49:33,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:49:33,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2021-11-19 05:49:33,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:49:33,688 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:49:33,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:49:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:49:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:49:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:49:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-11-19 05:49:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-11-19 05:49:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-11-19 05:49:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-11-19 05:49:33,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:49:33,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-11-19 05:49:33,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:49:33,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-11-19 05:49:33,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:49:35,671 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_thrThread1of2ForFork0_~c~0#1| 10))) (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (= (select |c_#valid| |c_ULTIMATE.start_main_~#t~0#1.base|) 1) (<= .cse0 c_~next~0) (<= .cse0 |c_thrThread1of2ForFork0_~end~0#1|) (forall ((|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre6#1_58| Int) (|v_thrThread2of2ForFork0_~c~0#1_159| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_159| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_58|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_159| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= (+ 9 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0))) is different from false [2021-11-19 05:49:36,605 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_thrThread1of2ForFork0_~c~0#1| 10))) (and (= (select |c_#valid| |c_ULTIMATE.start_main_~#t~0#1.base|) 1) (<= .cse0 c_~next~0) (<= .cse0 |c_thrThread1of2ForFork0_~end~0#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_163| Int) (|v_ULTIMATE.start_main_#t~pre6#1_64| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_163| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_64|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_163| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= (+ 7 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_#StackHeapBarrier| |c_ULTIMATE.start_main_~#t~0#1.base|))) is different from false [2021-11-19 05:49:37,532 WARN L838 $PredicateComparison]: unable to prove that (and (= (select |c_#valid| |c_ULTIMATE.start_main_~#t~0#1.base|) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_167| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre6#1_70| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_70|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0))) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (< |c_#StackHeapBarrier| |c_ULTIMATE.start_main_~#t~0#1.base|)) is different from false [2021-11-19 05:49:39,544 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_thrThread1of2ForFork0_~c~0#1| 10))) (and (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int) (|v_ULTIMATE.start_main_#t~pre6#1_76| Int) (|v_thrThread2of2ForFork0_~c~0#1_173| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_76|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))) (= (select |c_#valid| |c_ULTIMATE.start_main_~#t~0#1.base|) 1) (<= .cse0 c_~next~0) (<= .cse0 |c_thrThread1of2ForFork0_~end~0#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-19 05:49:41,558 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ |c_thrThread1of2ForFork0_~c~0#1| 1) c_~next~0) (= (select |c_#valid| |c_ULTIMATE.start_main_~#t~0#1.base|) 1) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int) (|v_ULTIMATE.start_main_#t~pre6#1_82| Int) (|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre6#1_82|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|))))) is different from false [2021-11-19 05:49:41,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:49:41,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:49:41,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:49:41,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-19 05:49:41,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-11-19 05:49:41,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-19 05:49:41,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-11-19 05:49:41,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:49:41,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-11-19 05:49:41,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:49:41,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-19 05:49:41,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:49:41,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2021-11-19 05:49:41,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:49:41,995 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:49:41,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:49:41,996 INFO L85 PathProgramCache]: Analyzing trace with hash -977844965, now seen corresponding path program 5 times [2021-11-19 05:49:41,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:49:41,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862613545] [2021-11-19 05:49:41,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:49:41,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:49:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:49:42,393 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 432 proven. 81 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 05:49:42,393 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:49:42,393 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862613545] [2021-11-19 05:49:42,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862613545] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:49:42,394 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064735759] [2021-11-19 05:49:42,394 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-19 05:49:42,394 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:49:42,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:49:42,396 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:49:42,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-11-19 05:49:42,568 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-11-19 05:49:42,568 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:49:42,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-19 05:49:42,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:49:43,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-19 05:49:43,249 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:49:43,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 31 [2021-11-19 05:49:43,303 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-19 05:49:43,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 15 [2021-11-19 05:49:43,353 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 459 proven. 54 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 05:49:43,353 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:49:43,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-19 05:49:44,267 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 432 proven. 81 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 05:49:44,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064735759] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:49:44,267 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:49:44,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 20] total 50 [2021-11-19 05:49:44,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625637830] [2021-11-19 05:49:44,268 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:49:44,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2021-11-19 05:49:44,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:49:44,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-11-19 05:49:44,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=493, Invalid=1957, Unknown=0, NotChecked=0, Total=2450 [2021-11-19 05:49:44,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:49:44,270 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:49:44,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 9.66) internal successors, (483), 50 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:49:44,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:49:44,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:49:44,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:49:44,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-19 05:49:44,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-11-19 05:49:44,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-11-19 05:49:44,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-11-19 05:49:44,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:49:44,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-11-19 05:49:44,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:49:44,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-19 05:49:44,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:49:44,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:49:46,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:49:46,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:49:46,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:49:46,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-19 05:49:46,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-11-19 05:49:46,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-19 05:49:46,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-11-19 05:49:46,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:49:46,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-11-19 05:49:46,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:49:46,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-19 05:49:46,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:49:46,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-19 05:49:46,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2021-11-19 05:49:46,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-11-19 05:49:46,496 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:49:46,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:49:46,496 INFO L85 PathProgramCache]: Analyzing trace with hash -787203630, now seen corresponding path program 5 times [2021-11-19 05:49:46,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:49:46,496 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238216856] [2021-11-19 05:49:46,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:49:46,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:49:46,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:49:47,117 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 459 proven. 56 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 05:49:47,117 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:49:47,117 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238216856] [2021-11-19 05:49:47,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238216856] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:49:47,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39385215] [2021-11-19 05:49:47,118 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-19 05:49:47,118 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:49:47,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:49:47,120 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:49:47,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-11-19 05:49:48,020 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-11-19 05:49:48,020 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:49:48,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-19 05:49:48,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:49:48,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-19 05:49:48,673 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:49:48,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-19 05:49:48,723 INFO L354 Elim1Store]: treesize reduction 53, result has 17.2 percent of original size [2021-11-19 05:49:48,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 29 [2021-11-19 05:49:48,920 INFO L354 Elim1Store]: treesize reduction 80, result has 27.9 percent of original size [2021-11-19 05:49:48,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 58 [2021-11-19 05:49:49,061 INFO L354 Elim1Store]: treesize reduction 37, result has 24.5 percent of original size [2021-11-19 05:49:49,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 43 [2021-11-19 05:49:49,114 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 459 proven. 56 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 05:49:49,114 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:49:49,949 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_193| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_193|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_193| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-19 05:49:50,955 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_193| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_193|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_193| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-19 05:49:50,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 36 [2021-11-19 05:49:51,618 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 459 proven. 54 refuted. 0 times theorem prover too weak. 15 trivial. 2 not checked. [2021-11-19 05:49:51,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39385215] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:49:51,618 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:49:51,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 23, 22] total 57 [2021-11-19 05:49:51,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669458410] [2021-11-19 05:49:51,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:49:51,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2021-11-19 05:49:51,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:49:51,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-11-19 05:49:51,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=646, Invalid=2330, Unknown=2, NotChecked=214, Total=3192 [2021-11-19 05:49:51,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:49:51,622 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:49:51,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 9.175438596491228) internal successors, (523), 57 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:49:51,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:49:51,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:49:51,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:49:51,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-19 05:49:51,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-11-19 05:49:51,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-11-19 05:49:51,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-11-19 05:49:51,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:49:51,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-11-19 05:49:51,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:49:51,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-19 05:49:51,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:49:51,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-19 05:49:51,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:49:52,613 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_193| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_193|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_193| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= 10 |c_thrThread1of2ForFork0_~c~0#1|) (<= 10 |c_thrThread2of2ForFork0_~end~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:49:53,485 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_193| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_193|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_193| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 11 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:49:54,405 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_193| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_193|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_193| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 12 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:49:55,306 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_193| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_193|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_193| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (<= 13 |c_thrThread1of2ForFork0_~c~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:49:56,647 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_193| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_193|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_193| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 14 |c_thrThread1of2ForFork0_~c~0#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:49:57,619 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_193| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_193|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_193| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 15 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:49:58,488 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_193| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_193|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_193| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 16 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:49:59,411 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_193| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_193|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_193| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 17 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:50:00,281 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_193| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_193|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_193| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= 18 |c_thrThread1of2ForFork0_~c~0#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:50:01,234 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_193| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_193|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_193| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 19 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:50:01,984 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_193| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_193|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_193| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 19 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:50:02,770 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base)) (.cse2 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) (.cse1 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)))) (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_193| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_193|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_193| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= (+ 19 |c_thrThread2of2ForFork0_~c~0#1|) |c_thrThread1of2ForFork0_~c~0#1|) (= (select .cse0 .cse1) 1) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 19 |c_thrThread1of2ForFork0_~c~0#1|) (= (select .cse0 .cse2) 0) (= (select (store .cse0 .cse2 0) .cse1) 1))) is different from false [2021-11-19 05:50:03,543 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base)) (.cse1 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) (.cse2 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)))) (and (<= (+ 19 |c_thrThread2of2ForFork0_~c~0#1|) |c_thrThread1of2ForFork0_~c~0#1|) (= (select .cse0 .cse1) 1) (= (select .cse0 .cse2) 1) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 19 |c_thrThread1of2ForFork0_~c~0#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_193| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_193|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_193| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (= (select (store .cse0 .cse1 0) .cse2) 1))) is different from false [2021-11-19 05:50:03,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:50:03,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:50:03,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:50:03,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-19 05:50:03,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-11-19 05:50:03,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-19 05:50:03,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-11-19 05:50:03,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:50:03,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-11-19 05:50:03,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:50:03,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-19 05:50:03,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:50:03,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-19 05:50:03,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-19 05:50:03,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2021-11-19 05:50:03,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-11-19 05:50:03,764 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:50:03,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:50:03,765 INFO L85 PathProgramCache]: Analyzing trace with hash 340579337, now seen corresponding path program 6 times [2021-11-19 05:50:03,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:50:03,765 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519431024] [2021-11-19 05:50:03,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:50:03,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:50:03,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:50:04,420 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 459 proven. 70 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 05:50:04,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:50:04,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519431024] [2021-11-19 05:50:04,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519431024] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:50:04,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936347294] [2021-11-19 05:50:04,421 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-19 05:50:04,421 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:50:04,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:50:04,423 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:50:04,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2021-11-19 05:50:05,032 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-11-19 05:50:05,033 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:50:05,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-19 05:50:05,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:50:05,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-19 05:50:05,762 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:50:05,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-19 05:50:05,816 INFO L354 Elim1Store]: treesize reduction 53, result has 17.2 percent of original size [2021-11-19 05:50:05,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 29 [2021-11-19 05:50:06,034 INFO L354 Elim1Store]: treesize reduction 80, result has 27.9 percent of original size [2021-11-19 05:50:06,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 58 [2021-11-19 05:50:06,199 INFO L354 Elim1Store]: treesize reduction 100, result has 30.1 percent of original size [2021-11-19 05:50:06,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 67 treesize of output 81 [2021-11-19 05:50:06,588 INFO L354 Elim1Store]: treesize reduction 140, result has 26.3 percent of original size [2021-11-19 05:50:06,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 85 [2021-11-19 05:50:07,144 INFO L354 Elim1Store]: treesize reduction 72, result has 25.8 percent of original size [2021-11-19 05:50:07,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 87 treesize of output 71 [2021-11-19 05:50:07,209 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 459 proven. 70 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 05:50:07,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:50:08,013 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int)) (or (= 1 (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)))) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_197|))) is different from false [2021-11-19 05:50:08,979 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_197|))) is different from false [2021-11-19 05:50:11,016 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_198| Int)) (or (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_198| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_198|) |v_thrThread2of2ForFork0_~c~0#1_197|))) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_198|))) is different from false [2021-11-19 05:50:12,538 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int) (|v_thrThread2of2ForFork0_~c~0#1_198| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_198|) |v_thrThread2of2ForFork0_~c~0#1_197|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_198|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_198| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-19 05:50:12,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 48 [2021-11-19 05:50:13,350 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 459 proven. 54 refuted. 0 times theorem prover too weak. 15 trivial. 16 not checked. [2021-11-19 05:50:13,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936347294] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:50:13,351 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:50:13,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 26, 24] total 63 [2021-11-19 05:50:13,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799557212] [2021-11-19 05:50:13,351 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:50:13,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2021-11-19 05:50:13,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:50:13,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-11-19 05:50:13,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=755, Invalid=2679, Unknown=4, NotChecked=468, Total=3906 [2021-11-19 05:50:13,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:50:13,355 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:50:13,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 8.873015873015873) internal successors, (559), 63 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:50:13,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:50:13,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:50:13,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:50:13,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-19 05:50:13,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-11-19 05:50:13,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-11-19 05:50:13,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-11-19 05:50:13,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:50:13,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-11-19 05:50:13,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:50:13,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-19 05:50:13,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:50:13,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-19 05:50:13,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-19 05:50:13,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:50:15,026 WARN L838 $PredicateComparison]: unable to prove that (and (<= 10 |c_thrThread1of2ForFork0_~c~0#1|) (<= 10 |c_thrThread2of2ForFork0_~end~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int) (|v_thrThread2of2ForFork0_~c~0#1_198| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_198|) |v_thrThread2of2ForFork0_~c~0#1_197|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_198|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_198| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-19 05:50:16,136 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 11 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int) (|v_thrThread2of2ForFork0_~c~0#1_198| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_198|) |v_thrThread2of2ForFork0_~c~0#1_197|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_198|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_198| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-19 05:50:17,203 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 12 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int) (|v_thrThread2of2ForFork0_~c~0#1_198| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_198|) |v_thrThread2of2ForFork0_~c~0#1_197|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_198|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_198| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-19 05:50:18,292 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (<= 13 |c_thrThread1of2ForFork0_~c~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int) (|v_thrThread2of2ForFork0_~c~0#1_198| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_198|) |v_thrThread2of2ForFork0_~c~0#1_197|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_198|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_198| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-19 05:50:19,360 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 14 |c_thrThread1of2ForFork0_~c~0#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int) (|v_thrThread2of2ForFork0_~c~0#1_198| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_198|) |v_thrThread2of2ForFork0_~c~0#1_197|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_198|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_198| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-19 05:50:20,422 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 15 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int) (|v_thrThread2of2ForFork0_~c~0#1_198| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_198|) |v_thrThread2of2ForFork0_~c~0#1_197|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_198|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_198| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-19 05:50:21,469 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 16 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int) (|v_thrThread2of2ForFork0_~c~0#1_198| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_198|) |v_thrThread2of2ForFork0_~c~0#1_197|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_198|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_198| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-19 05:50:22,516 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 17 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int) (|v_thrThread2of2ForFork0_~c~0#1_198| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_198|) |v_thrThread2of2ForFork0_~c~0#1_197|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_198|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_198| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-19 05:50:23,598 WARN L838 $PredicateComparison]: unable to prove that (and (<= 18 |c_thrThread1of2ForFork0_~c~0#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 18) |c_thrThread1of2ForFork0_~c~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int) (|v_thrThread2of2ForFork0_~c~0#1_198| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_198|) |v_thrThread2of2ForFork0_~c~0#1_197|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_198|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_198| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-19 05:50:24,619 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 19 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int) (|v_thrThread2of2ForFork0_~c~0#1_198| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_198|) |v_thrThread2of2ForFork0_~c~0#1_197|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_198|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_198| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-19 05:50:25,511 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 19 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int) (|v_thrThread2of2ForFork0_~c~0#1_198| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_198|) |v_thrThread2of2ForFork0_~c~0#1_197|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_198|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_198| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-19 05:50:26,406 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base)) (.cse2 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) (.cse1 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)))) (and (<= (+ 19 |c_thrThread2of2ForFork0_~c~0#1|) |c_thrThread1of2ForFork0_~c~0#1|) (= (select .cse0 .cse1) 1) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 19 |c_thrThread1of2ForFork0_~c~0#1|) (= (select .cse0 .cse2) 0) (= (select (store .cse0 .cse2 0) .cse1) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int) (|v_thrThread2of2ForFork0_~c~0#1_198| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_198|) |v_thrThread2of2ForFork0_~c~0#1_197|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_198|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_198| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))))) is different from false [2021-11-19 05:50:28,411 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base)) (.cse1 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) (.cse2 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)))) (and (<= (+ 19 |c_thrThread2of2ForFork0_~c~0#1|) |c_thrThread1of2ForFork0_~c~0#1|) (= (select .cse0 .cse1) 1) (= (select .cse0 .cse2) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_198| Int)) (or (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_198| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_198|) |v_thrThread2of2ForFork0_~c~0#1_197|))) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_198|))) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 19 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store .cse0 .cse1 0) .cse2) 1))) is different from false [2021-11-19 05:50:29,253 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_197|))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (exists ((|v_thrThread2of2ForFork0_~c~0#1_195| Int)) (and (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_195|) |c_thrThread1of2ForFork0_~c~0#1|) (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_195|)) (= (select (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_195| 4) c_~data~0.offset)) 1)))) is different from false [2021-11-19 05:50:30,299 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_197|))) (exists ((|v_thrThread2of2ForFork0_~c~0#1_195| Int)) (and (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_195|) |c_thrThread1of2ForFork0_~c~0#1|) (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_195|)) (or (= (* 4 |v_thrThread2of2ForFork0_~c~0#1_195|) (* 4 |c_thrThread2of2ForFork0_~c~0#1|)) (= (select (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_195| 4) c_~data~0.offset)) 1)))) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 0))) is different from false [2021-11-19 05:50:31,356 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (exists ((|v_thrThread2of2ForFork0_~c~0#1_195| Int)) (and (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_195|) |c_thrThread1of2ForFork0_~c~0#1|) (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_195|)) (= (select (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_195| 4) c_~data~0.offset)) 1))) (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int)) (or (= 1 (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)))) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_197|))))) is different from false [2021-11-19 05:50:31,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:50:31,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:50:31,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:50:31,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-19 05:50:31,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-11-19 05:50:31,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-19 05:50:31,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-11-19 05:50:31,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:50:31,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-11-19 05:50:31,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:50:31,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-19 05:50:31,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:50:31,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-19 05:50:31,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-19 05:50:31,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-11-19 05:50:31,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2021-11-19 05:50:31,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-11-19 05:50:31,587 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:50:31,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:50:31,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1402262464, now seen corresponding path program 7 times [2021-11-19 05:50:31,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:50:31,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836598275] [2021-11-19 05:50:31,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:50:31,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:50:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:50:32,199 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 459 proven. 96 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 05:50:32,199 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:50:32,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836598275] [2021-11-19 05:50:32,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836598275] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:50:32,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565434341] [2021-11-19 05:50:32,199 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-19 05:50:32,199 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:50:32,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:50:32,200 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:50:32,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2021-11-19 05:50:32,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:50:32,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-19 05:50:32,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:50:32,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-19 05:50:32,997 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:50:32,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-19 05:50:33,043 INFO L354 Elim1Store]: treesize reduction 53, result has 17.2 percent of original size [2021-11-19 05:50:33,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 29 [2021-11-19 05:50:33,239 INFO L354 Elim1Store]: treesize reduction 80, result has 27.9 percent of original size [2021-11-19 05:50:33,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 58 [2021-11-19 05:50:33,348 INFO L354 Elim1Store]: treesize reduction 100, result has 30.1 percent of original size [2021-11-19 05:50:33,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 67 treesize of output 81 [2021-11-19 05:50:33,729 INFO L354 Elim1Store]: treesize reduction 140, result has 26.3 percent of original size [2021-11-19 05:50:33,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 85 [2021-11-19 05:50:34,077 INFO L354 Elim1Store]: treesize reduction 164, result has 31.1 percent of original size [2021-11-19 05:50:34,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 91 treesize of output 128 [2021-11-19 05:50:35,003 INFO L354 Elim1Store]: treesize reduction 216, result has 24.2 percent of original size [2021-11-19 05:50:35,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 80 treesize of output 112 [2021-11-19 05:50:36,902 INFO L354 Elim1Store]: treesize reduction 124, result has 23.0 percent of original size [2021-11-19 05:50:36,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 111 treesize of output 99 [2021-11-19 05:50:36,961 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 459 proven. 96 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 05:50:36,961 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:50:37,813 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_203|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-19 05:50:38,760 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_203|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-19 05:50:40,799 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int)) (or (forall ((|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_204|))) is different from false [2021-11-19 05:50:42,735 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_204|))) is different from false [2021-11-19 05:50:44,861 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_205| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_205|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_205|) |v_thrThread2of2ForFork0_~c~0#1_204|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_205| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))))) is different from false [2021-11-19 05:50:46,971 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_205| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_205|) |v_thrThread2of2ForFork0_~c~0#1_204|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_205| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_205|))) is different from false [2021-11-19 05:50:47,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 60 [2021-11-19 05:50:47,852 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 459 proven. 54 refuted. 0 times theorem prover too weak. 15 trivial. 42 not checked. [2021-11-19 05:50:47,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565434341] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:50:47,852 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:50:47,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 29, 26] total 69 [2021-11-19 05:50:47,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411556548] [2021-11-19 05:50:47,853 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:50:47,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2021-11-19 05:50:47,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:50:47,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-11-19 05:50:47,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=868, Invalid=3056, Unknown=6, NotChecked=762, Total=4692 [2021-11-19 05:50:47,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:50:47,855 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:50:47,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 8.623188405797102) internal successors, (595), 69 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:50:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:50:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:50:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:50:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-19 05:50:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-11-19 05:50:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-11-19 05:50:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-11-19 05:50:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:50:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-11-19 05:50:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:50:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-19 05:50:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:50:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-19 05:50:47,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-19 05:50:47,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-11-19 05:50:47,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:50:49,157 WARN L838 $PredicateComparison]: unable to prove that (and (<= 10 |c_thrThread1of2ForFork0_~c~0#1|) (<= 10 |c_thrThread2of2ForFork0_~end~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_205| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_205|) |v_thrThread2of2ForFork0_~c~0#1_204|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_205| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_205|))) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:50:50,374 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 11 |c_thrThread1of2ForFork0_~c~0#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_205| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_205|) |v_thrThread2of2ForFork0_~c~0#1_204|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_205| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_205|))) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:50:51,597 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_205| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_205|) |v_thrThread2of2ForFork0_~c~0#1_204|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_205| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_205|))) (<= 12 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:50:53,312 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (<= 13 |c_thrThread1of2ForFork0_~c~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_205| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_205|) |v_thrThread2of2ForFork0_~c~0#1_204|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_205| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_205|))) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:50:54,484 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 14 |c_thrThread1of2ForFork0_~c~0#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_205| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_205|) |v_thrThread2of2ForFork0_~c~0#1_204|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_205| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_205|))) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:50:55,706 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_205| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_205|) |v_thrThread2of2ForFork0_~c~0#1_204|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_205| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_205|))) (<= 15 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:50:56,947 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_205| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_205|) |v_thrThread2of2ForFork0_~c~0#1_204|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_205| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_205|))) (<= 16 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:50:58,178 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 17) |c_thrThread1of2ForFork0_~c~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_205| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_205|) |v_thrThread2of2ForFork0_~c~0#1_204|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_205| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_205|))) (<= 17 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:50:59,384 WARN L838 $PredicateComparison]: unable to prove that (and (<= 18 |c_thrThread1of2ForFork0_~c~0#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 18) |c_thrThread1of2ForFork0_~c~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_205| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_205|) |v_thrThread2of2ForFork0_~c~0#1_204|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_205| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_205|))) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:51:00,624 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 19 |c_thrThread1of2ForFork0_~c~0#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_205| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_205|) |v_thrThread2of2ForFork0_~c~0#1_204|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_205| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_205|))) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:51:01,706 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 19 |c_thrThread1of2ForFork0_~c~0#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_205| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_205|) |v_thrThread2of2ForFork0_~c~0#1_204|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_205| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_205|))) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:51:02,789 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base)) (.cse2 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) (.cse1 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)))) (and (<= (+ 19 |c_thrThread2of2ForFork0_~c~0#1|) |c_thrThread1of2ForFork0_~c~0#1|) (= (select .cse0 .cse1) 1) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 19 |c_thrThread1of2ForFork0_~c~0#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_205| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_205|) |v_thrThread2of2ForFork0_~c~0#1_204|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_205| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_205|))) (= (select .cse0 .cse2) 0) (= (select (store .cse0 .cse2 0) .cse1) 1))) is different from false [2021-11-19 05:51:04,805 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base)) (.cse1 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) (.cse2 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)))) (and (<= (+ 19 |c_thrThread2of2ForFork0_~c~0#1|) |c_thrThread1of2ForFork0_~c~0#1|) (= (select .cse0 .cse1) 1) (= (select .cse0 .cse2) 1) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 19 |c_thrThread1of2ForFork0_~c~0#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_205| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_205|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_205|) |v_thrThread2of2ForFork0_~c~0#1_204|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_205| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))))) (= (select (store .cse0 .cse1 0) .cse2) 1))) is different from false [2021-11-19 05:51:06,823 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_thrThread2of2ForFork0_~c~0#1_200| Int)) (and (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_200|)) (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_200|) |c_thrThread1of2ForFork0_~c~0#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_200| 4))) 1))) (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_204|))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:51:07,933 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_204|))) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (exists ((|v_thrThread2of2ForFork0_~c~0#1_200| Int)) (and (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_200|)) (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_200|) |c_thrThread1of2ForFork0_~c~0#1|) (or (= (* 4 |c_thrThread2of2ForFork0_~c~0#1|) (* 4 |v_thrThread2of2ForFork0_~c~0#1_200|)) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_200| 4))) 1)))) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 0))) is different from false [2021-11-19 05:51:09,939 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (exists ((|v_thrThread2of2ForFork0_~c~0#1_200| Int)) (and (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_200|)) (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_200|) |c_thrThread1of2ForFork0_~c~0#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_200| 4))) 1))) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int)) (or (forall ((|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_204|))))) is different from false [2021-11-19 05:51:11,112 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_203|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (exists ((|v_thrThread2of2ForFork0_~c~0#1_200| Int) (|v_thrThread2of2ForFork0_~c~0#1_201| Int)) (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (<= |v_thrThread2of2ForFork0_~c~0#1_201| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_200|)) (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_201| 4))) 1) (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_201|)) (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_200|) |c_thrThread1of2ForFork0_~c~0#1|) (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_200| 4))) 1))))) is different from false [2021-11-19 05:51:12,312 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_int| c_~data~0.base))) (and (exists ((|v_thrThread2of2ForFork0_~c~0#1_200| Int) (|v_thrThread2of2ForFork0_~c~0#1_201| Int)) (let ((.cse1 (* 4 |c_thrThread2of2ForFork0_~c~0#1|)) (.cse0 (select |c_#memory_int| c_~data~0.base))) (and (<= |v_thrThread2of2ForFork0_~c~0#1_201| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_200|)) (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_201|)) (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_200|) |c_thrThread1of2ForFork0_~c~0#1|) (or (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_201| 4))) 1) (= .cse1 (* 4 |v_thrThread2of2ForFork0_~c~0#1_201|))) (or (= .cse1 (* 4 |v_thrThread2of2ForFork0_~c~0#1_200|)) (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_200| 4))) 1))))) (forall ((|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_203|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (= (select .cse2 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (= (select .cse2 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 0))) is different from false [2021-11-19 05:51:13,217 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (exists ((|v_thrThread2of2ForFork0_~c~0#1_200| Int) (|v_thrThread2of2ForFork0_~c~0#1_201| Int)) (let ((.cse1 (select |c_#memory_int| c_~data~0.base))) (and (<= |v_thrThread2of2ForFork0_~c~0#1_201| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_200|)) (= (select .cse1 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_201| 4))) 1) (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_201|)) (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_200|) |c_thrThread1of2ForFork0_~c~0#1|) (= (select .cse1 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_200| 4))) 1)))) (forall ((|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_203|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))))) is different from false [2021-11-19 05:51:13,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:51:13,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:51:13,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:51:13,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-19 05:51:13,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-11-19 05:51:13,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-19 05:51:13,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-11-19 05:51:13,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:51:13,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-11-19 05:51:13,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:51:13,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-19 05:51:13,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:51:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-19 05:51:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-19 05:51:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-11-19 05:51:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-11-19 05:51:13,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2021-11-19 05:51:13,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-11-19 05:51:13,445 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:51:13,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:51:13,445 INFO L85 PathProgramCache]: Analyzing trace with hash -478152457, now seen corresponding path program 8 times [2021-11-19 05:51:13,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:51:13,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890404114] [2021-11-19 05:51:13,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:51:13,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:51:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:51:14,363 INFO L134 CoverageAnalysis]: Checked inductivity of 608 backedges. 459 proven. 134 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 05:51:14,364 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:51:14,364 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890404114] [2021-11-19 05:51:14,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890404114] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:51:14,364 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223585623] [2021-11-19 05:51:14,364 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-19 05:51:14,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:51:14,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:51:14,366 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:51:14,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2021-11-19 05:51:14,479 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-19 05:51:14,479 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:51:14,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-19 05:51:14,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:51:15,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-19 05:51:15,254 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:51:15,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-19 05:51:15,299 INFO L354 Elim1Store]: treesize reduction 53, result has 17.2 percent of original size [2021-11-19 05:51:15,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 29 [2021-11-19 05:51:15,491 INFO L354 Elim1Store]: treesize reduction 80, result has 27.9 percent of original size [2021-11-19 05:51:15,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 58 [2021-11-19 05:51:15,598 INFO L354 Elim1Store]: treesize reduction 100, result has 30.1 percent of original size [2021-11-19 05:51:15,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 67 treesize of output 81 [2021-11-19 05:51:15,966 INFO L354 Elim1Store]: treesize reduction 140, result has 26.3 percent of original size [2021-11-19 05:51:15,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 85 [2021-11-19 05:51:16,287 INFO L354 Elim1Store]: treesize reduction 164, result has 31.1 percent of original size [2021-11-19 05:51:16,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 91 treesize of output 128 [2021-11-19 05:51:17,425 INFO L354 Elim1Store]: treesize reduction 216, result has 24.2 percent of original size [2021-11-19 05:51:17,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 80 treesize of output 112 [2021-11-19 05:51:18,469 INFO L354 Elim1Store]: treesize reduction 244, result has 30.1 percent of original size [2021-11-19 05:51:18,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 115 treesize of output 175 [2021-11-19 05:51:19,834 INFO L354 Elim1Store]: treesize reduction 308, result has 22.2 percent of original size [2021-11-19 05:51:19,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 96 treesize of output 139 [2021-11-19 05:51:23,881 INFO L354 Elim1Store]: treesize reduction 192, result has 20.3 percent of original size [2021-11-19 05:51:23,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 135 treesize of output 127 [2021-11-19 05:51:23,962 INFO L134 CoverageAnalysis]: Checked inductivity of 608 backedges. 459 proven. 134 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 05:51:23,962 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:51:24,825 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-19 05:51:25,777 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_211|))) is different from false [2021-11-19 05:51:27,814 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_212| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_212|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))))) is different from false [2021-11-19 05:51:29,985 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_212|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-19 05:51:32,100 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_213| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_213|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))))) is different from false [2021-11-19 05:51:34,275 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_213|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))) is different from false [2021-11-19 05:51:36,518 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_214| Int)) (or (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_214| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_214|) |v_thrThread2of2ForFork0_~c~0#1_213|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_214|))) is different from false [2021-11-19 05:51:39,666 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int) (|v_thrThread2of2ForFork0_~c~0#1_214| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_214| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_214|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_214|) |v_thrThread2of2ForFork0_~c~0#1_213|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))) is different from false [2021-11-19 05:51:40,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 72 [2021-11-19 05:51:40,997 INFO L134 CoverageAnalysis]: Checked inductivity of 608 backedges. 459 proven. 54 refuted. 0 times theorem prover too weak. 15 trivial. 80 not checked. [2021-11-19 05:51:40,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [223585623] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:51:40,997 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:51:40,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 32, 28] total 75 [2021-11-19 05:51:40,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073661351] [2021-11-19 05:51:40,998 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:51:40,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2021-11-19 05:51:40,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:51:40,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2021-11-19 05:51:41,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=985, Invalid=3461, Unknown=8, NotChecked=1096, Total=5550 [2021-11-19 05:51:41,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:51:41,002 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:51:41,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 8.413333333333334) internal successors, (631), 75 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:51:41,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:51:41,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:51:41,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:51:41,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-19 05:51:41,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-11-19 05:51:41,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-11-19 05:51:41,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-11-19 05:51:41,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:51:41,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-11-19 05:51:41,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:51:41,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-19 05:51:41,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:51:41,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-19 05:51:41,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-19 05:51:41,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-11-19 05:51:41,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-11-19 05:51:41,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:51:42,700 WARN L838 $PredicateComparison]: unable to prove that (and (<= 10 |c_thrThread1of2ForFork0_~c~0#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int) (|v_thrThread2of2ForFork0_~c~0#1_214| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_214| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_214|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_214|) |v_thrThread2of2ForFork0_~c~0#1_213|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))) (<= 10 |c_thrThread2of2ForFork0_~end~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0)) is different from false [2021-11-19 05:51:44,214 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1| 0)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int) (|v_thrThread2of2ForFork0_~c~0#1_214| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_214| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_214|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_214|) |v_thrThread2of2ForFork0_~c~0#1_213|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 11 |c_thrThread1of2ForFork0_~c~0#1|)) is different from false [2021-11-19 05:51:45,594 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1| 0)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int) (|v_thrThread2of2ForFork0_~c~0#1_214| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_214| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_214|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_214|) |v_thrThread2of2ForFork0_~c~0#1_213|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 12 |c_thrThread1of2ForFork0_~c~0#1|)) is different from false [2021-11-19 05:51:46,957 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1| 0)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int) (|v_thrThread2of2ForFork0_~c~0#1_214| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_214| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_214|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_214|) |v_thrThread2of2ForFork0_~c~0#1_213|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))) (<= 13 |c_thrThread1of2ForFork0_~c~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0)) is different from false [2021-11-19 05:51:48,356 WARN L838 $PredicateComparison]: unable to prove that (and (<= 14 |c_thrThread1of2ForFork0_~c~0#1|) (not (= |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1| 0)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int) (|v_thrThread2of2ForFork0_~c~0#1_214| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_214| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_214|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_214|) |v_thrThread2of2ForFork0_~c~0#1_213|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))) (= |c_thrThread2of2ForFork0_~c~0#1| 0)) is different from false [2021-11-19 05:51:49,705 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1| 0)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int) (|v_thrThread2of2ForFork0_~c~0#1_214| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_214| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_214|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_214|) |v_thrThread2of2ForFork0_~c~0#1_213|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 15 |c_thrThread1of2ForFork0_~c~0#1|)) is different from false [2021-11-19 05:51:50,999 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1| 0)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int) (|v_thrThread2of2ForFork0_~c~0#1_214| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_214| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_214|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_214|) |v_thrThread2of2ForFork0_~c~0#1_213|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 16 |c_thrThread1of2ForFork0_~c~0#1|)) is different from false [2021-11-19 05:51:52,185 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1| 0)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int) (|v_thrThread2of2ForFork0_~c~0#1_214| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_214| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_214|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_214|) |v_thrThread2of2ForFork0_~c~0#1_213|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 17 |c_thrThread1of2ForFork0_~c~0#1|)) is different from false [2021-11-19 05:51:53,528 WARN L838 $PredicateComparison]: unable to prove that (and (<= 18 |c_thrThread1of2ForFork0_~c~0#1|) (not (= |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1| 0)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int) (|v_thrThread2of2ForFork0_~c~0#1_214| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_214| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_214|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_214|) |v_thrThread2of2ForFork0_~c~0#1_213|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))) (= |c_thrThread2of2ForFork0_~c~0#1| 0)) is different from false [2021-11-19 05:51:54,898 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1| 0)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int) (|v_thrThread2of2ForFork0_~c~0#1_214| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_214| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_214|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_214|) |v_thrThread2of2ForFork0_~c~0#1_213|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 19 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:51:56,128 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int) (|v_thrThread2of2ForFork0_~c~0#1_214| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_214| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_214|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_214|) |v_thrThread2of2ForFork0_~c~0#1_213|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 19 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:51:57,583 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base)) (.cse2 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) (.cse1 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)))) (and (<= (+ 19 |c_thrThread2of2ForFork0_~c~0#1|) |c_thrThread1of2ForFork0_~c~0#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int) (|v_thrThread2of2ForFork0_~c~0#1_214| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_214| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_214|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_214|) |v_thrThread2of2ForFork0_~c~0#1_213|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))) (= (select .cse0 .cse1) 1) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 19 |c_thrThread1of2ForFork0_~c~0#1|) (= (select .cse0 .cse2) 0) (= (select (store .cse0 .cse2 0) .cse1) 1))) is different from false [2021-11-19 05:51:59,592 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base)) (.cse1 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) (.cse2 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)))) (and (<= (+ 19 |c_thrThread2of2ForFork0_~c~0#1|) |c_thrThread1of2ForFork0_~c~0#1|) (= (select .cse0 .cse1) 1) (= (select .cse0 .cse2) 1) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 19 |c_thrThread1of2ForFork0_~c~0#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_214| Int)) (or (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_214| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_214|) |v_thrThread2of2ForFork0_~c~0#1_213|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_214|))) (= (select (store .cse0 .cse1 0) .cse2) 1))) is different from false [2021-11-19 05:52:01,625 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_thrThread2of2ForFork0_~c~0#1_207| Int)) (and (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_207|) |c_thrThread1of2ForFork0_~c~0#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_207| 4))) 1) (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_207|)))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_213|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|)))) is different from false [2021-11-19 05:52:03,111 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_213|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 0) (exists ((|v_thrThread2of2ForFork0_~c~0#1_207| Int)) (and (or (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_207| 4))) 1) (= (* 4 |v_thrThread2of2ForFork0_~c~0#1_207|) (* 4 |c_thrThread2of2ForFork0_~c~0#1|))) (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_207|) |c_thrThread1of2ForFork0_~c~0#1|) (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_207|)))))) is different from false [2021-11-19 05:52:05,118 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_213| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_213|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))))) (exists ((|v_thrThread2of2ForFork0_~c~0#1_207| Int)) (and (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_207|) |c_thrThread1of2ForFork0_~c~0#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_207| 4))) 1) (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_207|)))) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-19 05:52:07,130 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_thrThread2of2ForFork0_~c~0#1_208| Int) (|v_thrThread2of2ForFork0_~c~0#1_207| Int)) (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_208|)) (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_207|) |c_thrThread1of2ForFork0_~c~0#1|) (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_207| 4))) 1) (<= |v_thrThread2of2ForFork0_~c~0#1_208| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_207|)) (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_208| 4))) 1)))) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_212|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:52:08,274 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_int| c_~data~0.base))) (and (exists ((|v_thrThread2of2ForFork0_~c~0#1_208| Int) (|v_thrThread2of2ForFork0_~c~0#1_207| Int)) (let ((.cse0 (select |c_#memory_int| c_~data~0.base)) (.cse1 (* 4 |c_thrThread2of2ForFork0_~c~0#1|))) (and (or (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_207| 4))) 1) (= (* 4 |v_thrThread2of2ForFork0_~c~0#1_207|) .cse1)) (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_208|)) (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_207|) |c_thrThread1of2ForFork0_~c~0#1|) (<= |v_thrThread2of2ForFork0_~c~0#1_208| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_207|)) (or (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_208| 4))) 1) (= (* 4 |v_thrThread2of2ForFork0_~c~0#1_208|) .cse1))))) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_212|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (= (select .cse2 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (= (select .cse2 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 0))) is different from false [2021-11-19 05:52:10,280 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| c_~data~0.base))) (and (exists ((|v_thrThread2of2ForFork0_~c~0#1_208| Int) (|v_thrThread2of2ForFork0_~c~0#1_207| Int)) (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_208|)) (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_207|) |c_thrThread1of2ForFork0_~c~0#1|) (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_207| 4))) 1) (<= |v_thrThread2of2ForFork0_~c~0#1_208| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_207|)) (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_208| 4))) 1)))) (forall ((|v_thrThread2of2ForFork0_~c~0#1_212| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_212|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))))) (= (select .cse1 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (= (select .cse1 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-19 05:52:11,232 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_thrThread2of2ForFork0_~c~0#1_208| Int) (|v_thrThread2of2ForFork0_~c~0#1_209| Int) (|v_thrThread2of2ForFork0_~c~0#1_207| Int)) (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_207|) |c_thrThread1of2ForFork0_~c~0#1|) (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_207| 4))) 1) (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_209|)) (<= |v_thrThread2of2ForFork0_~c~0#1_208| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_207|)) (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_208| 4))) 1) (<= |v_thrThread2of2ForFork0_~c~0#1_209| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_208|)) (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_209| 4))) 1)))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_211|)))) is different from false [2021-11-19 05:52:12,553 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_int| c_~data~0.base))) (and (exists ((|v_thrThread2of2ForFork0_~c~0#1_208| Int) (|v_thrThread2of2ForFork0_~c~0#1_209| Int) (|v_thrThread2of2ForFork0_~c~0#1_207| Int)) (let ((.cse0 (select |c_#memory_int| c_~data~0.base)) (.cse1 (* 4 |c_thrThread2of2ForFork0_~c~0#1|))) (and (or (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_207| 4))) 1) (= (* 4 |v_thrThread2of2ForFork0_~c~0#1_207|) .cse1)) (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_207|) |c_thrThread1of2ForFork0_~c~0#1|) (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_209|)) (or (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_209| 4))) 1) (= .cse1 (* 4 |v_thrThread2of2ForFork0_~c~0#1_209|))) (<= |v_thrThread2of2ForFork0_~c~0#1_208| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_207|)) (<= |v_thrThread2of2ForFork0_~c~0#1_209| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_208|)) (or (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_208| 4))) 1) (= (* 4 |v_thrThread2of2ForFork0_~c~0#1_208|) .cse1))))) (= (select .cse2 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (= (select .cse2 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_211|))))) is different from false [2021-11-19 05:52:13,676 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (exists ((|v_thrThread2of2ForFork0_~c~0#1_208| Int) (|v_thrThread2of2ForFork0_~c~0#1_209| Int) (|v_thrThread2of2ForFork0_~c~0#1_207| Int)) (let ((.cse1 (select |c_#memory_int| c_~data~0.base))) (and (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_207|) |c_thrThread1of2ForFork0_~c~0#1|) (= (select .cse1 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_207| 4))) 1) (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_209|)) (<= |v_thrThread2of2ForFork0_~c~0#1_208| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_207|)) (= (select .cse1 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_208| 4))) 1) (<= |v_thrThread2of2ForFork0_~c~0#1_209| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_208|)) (= (select .cse1 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_209| 4))) 1)))) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-19 05:52:13,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:52:13,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:52:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:52:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-19 05:52:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-11-19 05:52:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-19 05:52:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-11-19 05:52:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:52:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-11-19 05:52:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:52:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-19 05:52:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:52:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-19 05:52:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-19 05:52:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-11-19 05:52:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-11-19 05:52:13,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-11-19 05:52:13,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2021-11-19 05:52:13,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-11-19 05:52:13,898 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:52:13,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:52:13,899 INFO L85 PathProgramCache]: Analyzing trace with hash 419562414, now seen corresponding path program 9 times [2021-11-19 05:52:13,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:52:13,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257936576] [2021-11-19 05:52:13,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:52:13,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:52:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:52:14,938 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 459 proven. 184 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 05:52:14,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:52:14,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257936576] [2021-11-19 05:52:14,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257936576] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:52:14,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432833104] [2021-11-19 05:52:14,938 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-19 05:52:14,938 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:52:14,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:52:14,943 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:52:14,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2021-11-19 05:52:16,112 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-11-19 05:52:16,112 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:52:16,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-19 05:52:16,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:52:17,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-19 05:52:17,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:17,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-11-19 05:52:18,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:18,018 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:52:18,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 29 [2021-11-19 05:52:18,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:18,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:18,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:18,365 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:52:18,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 36 [2021-11-19 05:52:18,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:18,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:18,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:18,451 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:52:18,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 39 [2021-11-19 05:52:18,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:18,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:18,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:18,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:18,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:18,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:18,839 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:52:18,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 48 [2021-11-19 05:52:18,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:18,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:18,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:18,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:18,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:18,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:18,947 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:52:18,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 51 [2021-11-19 05:52:19,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:19,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:19,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:19,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:19,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:19,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:19,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:19,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:19,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:19,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:19,430 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:52:19,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 60 [2021-11-19 05:52:19,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:19,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:19,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:19,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:19,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:19,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:19,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:19,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:19,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:19,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:19,565 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:52:19,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 63 treesize of output 63 [2021-11-19 05:52:20,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,082 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:52:20,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 61 treesize of output 72 [2021-11-19 05:52:20,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,207 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:52:20,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 72 treesize of output 75 [2021-11-19 05:52:20,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:52:20,742 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:52:20,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 68 treesize of output 82 [2021-11-19 05:52:20,847 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-11-19 05:52:20,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 64 treesize of output 28 [2021-11-19 05:52:20,943 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 459 proven. 184 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 05:52:20,943 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:52:21,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 63 [2021-11-19 05:52:22,874 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 336 proven. 307 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 05:52:22,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1432833104] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:52:22,875 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:52:22,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 38, 30] total 83 [2021-11-19 05:52:22,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176076236] [2021-11-19 05:52:22,875 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:52:22,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2021-11-19 05:52:22,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:52:22,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2021-11-19 05:52:22,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1166, Invalid=5640, Unknown=0, NotChecked=0, Total=6806 [2021-11-19 05:52:22,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:52:22,879 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:52:22,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 83 states have (on average 8.349397590361447) internal successors, (693), 83 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:52:22,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:52:22,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:52:22,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:52:22,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-19 05:52:22,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-11-19 05:52:22,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-11-19 05:52:22,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-11-19 05:52:22,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:52:22,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-11-19 05:52:22,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:52:22,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-19 05:52:22,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:52:22,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-19 05:52:22,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-19 05:52:22,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-11-19 05:52:22,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-11-19 05:52:22,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-11-19 05:52:22,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:52:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:52:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:52:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:52:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-19 05:52:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-11-19 05:52:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-19 05:52:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-11-19 05:52:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:52:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-11-19 05:52:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:52:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-19 05:52:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:52:29,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-19 05:52:29,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-19 05:52:29,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-11-19 05:52:29,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-11-19 05:52:29,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-11-19 05:52:29,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-11-19 05:52:29,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2021-11-19 05:52:29,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-11-19 05:52:29,918 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:52:29,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:52:29,918 INFO L85 PathProgramCache]: Analyzing trace with hash -87267153, now seen corresponding path program 10 times [2021-11-19 05:52:29,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:52:29,918 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128111985] [2021-11-19 05:52:29,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:52:29,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:52:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:52:30,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 737 proven. 133 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2021-11-19 05:52:30,426 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:52:30,426 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128111985] [2021-11-19 05:52:30,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128111985] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:52:30,426 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977043900] [2021-11-19 05:52:30,427 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-19 05:52:30,427 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:52:30,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:52:30,428 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:52:30,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2021-11-19 05:52:30,586 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-19 05:52:30,586 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:52:30,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-19 05:52:30,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:52:31,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 856 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2021-11-19 05:52:31,611 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:52:31,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977043900] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:52:31,611 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:52:31,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [17] total 19 [2021-11-19 05:52:31,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875204341] [2021-11-19 05:52:31,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:52:31,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 05:52:31,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:52:31,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 05:52:31,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2021-11-19 05:52:31,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:52:31,613 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:52:31,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 16.0) internal successors, (224), 14 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:52:31,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:52:31,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:52:31,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:52:31,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-19 05:52:31,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-11-19 05:52:31,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-11-19 05:52:31,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-11-19 05:52:31,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:52:31,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-11-19 05:52:31,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:52:31,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-19 05:52:31,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:52:31,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-19 05:52:31,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-19 05:52:31,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-11-19 05:52:31,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-11-19 05:52:31,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-11-19 05:52:31,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-11-19 05:52:31,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:52:33,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:52:33,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:52:33,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:52:33,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-19 05:52:33,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-11-19 05:52:33,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-11-19 05:52:33,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-11-19 05:52:33,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:52:33,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-11-19 05:52:33,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:52:33,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-19 05:52:33,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:52:33,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-19 05:52:33,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-19 05:52:33,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-11-19 05:52:33,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-11-19 05:52:33,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-11-19 05:52:33,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-11-19 05:52:33,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:52:33,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2021-11-19 05:52:33,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2021-11-19 05:52:33,793 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:52:33,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:52:33,794 INFO L85 PathProgramCache]: Analyzing trace with hash 789591935, now seen corresponding path program 11 times [2021-11-19 05:52:33,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:52:33,794 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313158244] [2021-11-19 05:52:33,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:52:33,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:52:33,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:52:34,396 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 450 proven. 415 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 05:52:34,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:52:34,397 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313158244] [2021-11-19 05:52:34,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313158244] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:52:34,397 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818068795] [2021-11-19 05:52:34,397 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-19 05:52:34,397 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:52:34,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:52:34,398 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:52:34,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2021-11-19 05:52:36,407 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-11-19 05:52:36,407 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:52:36,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-19 05:52:36,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:52:37,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-19 05:52:37,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 29 [2021-11-19 05:52:37,215 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:52:37,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 51 [2021-11-19 05:52:37,487 INFO L354 Elim1Store]: treesize reduction 80, result has 27.9 percent of original size [2021-11-19 05:52:37,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 58 [2021-11-19 05:52:37,713 INFO L354 Elim1Store]: treesize reduction 37, result has 24.5 percent of original size [2021-11-19 05:52:37,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 43 [2021-11-19 05:52:37,794 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 452 proven. 412 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-19 05:52:37,794 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:52:39,031 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_245| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_245|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_245| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-19 05:52:39,972 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_245| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_245|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_245| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-19 05:52:39,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 36 [2021-11-19 05:52:40,887 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 452 proven. 342 refuted. 0 times theorem prover too weak. 16 trivial. 70 not checked. [2021-11-19 05:52:40,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1818068795] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:52:40,887 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:52:40,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 22, 22] total 54 [2021-11-19 05:52:40,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740563871] [2021-11-19 05:52:40,888 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:52:40,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2021-11-19 05:52:40,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:52:40,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-11-19 05:52:40,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=557, Invalid=2101, Unknown=2, NotChecked=202, Total=2862 [2021-11-19 05:52:40,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:52:40,891 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:52:40,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 12.962962962962964) internal successors, (700), 54 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:52:40,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:52:40,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:52:40,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:52:40,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-19 05:52:40,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-11-19 05:52:40,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-11-19 05:52:40,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-11-19 05:52:40,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:52:40,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-11-19 05:52:40,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:52:40,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-19 05:52:40,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:52:40,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-19 05:52:40,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-19 05:52:40,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-11-19 05:52:40,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-11-19 05:52:40,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-11-19 05:52:40,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-11-19 05:52:40,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:52:40,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:52:42,095 WARN L838 $PredicateComparison]: unable to prove that (and (<= 10 |c_thrThread1of2ForFork0_~c~0#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_245| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_245|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_245| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= 10 |c_thrThread2of2ForFork0_~end~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:52:43,176 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_245| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_245|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_245| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 11 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-19 05:52:44,180 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 12) |c_thrThread1of2ForFork0_~c~0#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_245| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_245|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_245| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 12 |c_thrThread1of2ForFork0_~c~0#1|)) is different from false [2021-11-19 05:52:45,111 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 12) |c_thrThread1of2ForFork0_~c~0#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_245| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_245|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_245| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (<= 13 |c_thrThread1of2ForFork0_~c~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0)) is different from false [2021-11-19 05:52:46,068 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 12) |c_thrThread1of2ForFork0_~c~0#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_245| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_245|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_245| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= 14 |c_thrThread1of2ForFork0_~c~0#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0)) is different from false [2021-11-19 05:52:47,036 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 12) |c_thrThread1of2ForFork0_~c~0#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_245| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_245|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_245| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 15 |c_thrThread1of2ForFork0_~c~0#1|)) is different from false [2021-11-19 05:52:48,018 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 12) |c_thrThread1of2ForFork0_~c~0#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_245| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_245|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_245| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 16 |c_thrThread1of2ForFork0_~c~0#1|)) is different from false [2021-11-19 05:52:48,959 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 12) |c_thrThread1of2ForFork0_~c~0#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_245| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_245|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_245| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 17 |c_thrThread1of2ForFork0_~c~0#1|)) is different from false [2021-11-19 05:52:49,897 WARN L838 $PredicateComparison]: unable to prove that (and (<= 18 |c_thrThread1of2ForFork0_~c~0#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 12) |c_thrThread1of2ForFork0_~c~0#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_245| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_245|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_245| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0)) is different from false [2021-11-19 05:52:50,878 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 12) |c_thrThread1of2ForFork0_~c~0#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_245| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_245|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_245| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 19 |c_thrThread1of2ForFork0_~c~0#1|)) is different from false [2021-11-19 05:52:52,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:52:52,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:52:52,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 05:52:52,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-19 05:52:52,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-11-19 05:52:52,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-11-19 05:52:52,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-11-19 05:52:52,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:52:52,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-11-19 05:52:52,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:52:52,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-19 05:52:52,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:52:52,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-19 05:52:52,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-11-19 05:52:52,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-11-19 05:52:52,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-19 05:52:52,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-11-19 05:52:52,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-11-19 05:52:52,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:52:52,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-11-19 05:52:53,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2021-11-19 05:52:53,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:52:53,187 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:52:53,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:52:53,188 INFO L85 PathProgramCache]: Analyzing trace with hash 2118196124, now seen corresponding path program 12 times [2021-11-19 05:52:53,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:52:53,188 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742878997] [2021-11-19 05:52:53,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:52:53,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:52:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:52:54,665 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 273 proven. 492 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 05:52:54,665 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:52:54,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742878997] [2021-11-19 05:52:54,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742878997] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:52:54,666 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1143368709] [2021-11-19 05:52:54,666 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-19 05:52:54,666 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:52:54,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:52:54,668 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:52:54,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2021-11-19 05:52:56,624 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-11-19 05:52:56,624 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:52:56,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-19 05:52:56,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:52:57,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-19 05:52:57,450 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:52:57,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-19 05:52:57,500 INFO L354 Elim1Store]: treesize reduction 53, result has 17.2 percent of original size [2021-11-19 05:52:57,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 29 [2021-11-19 05:52:57,705 INFO L354 Elim1Store]: treesize reduction 80, result has 27.9 percent of original size [2021-11-19 05:52:57,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 58 [2021-11-19 05:52:57,816 INFO L354 Elim1Store]: treesize reduction 100, result has 30.1 percent of original size [2021-11-19 05:52:57,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 67 treesize of output 81 [2021-11-19 05:52:58,262 INFO L354 Elim1Store]: treesize reduction 140, result has 26.3 percent of original size [2021-11-19 05:52:58,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 85 [2021-11-19 05:52:58,656 INFO L354 Elim1Store]: treesize reduction 164, result has 31.1 percent of original size [2021-11-19 05:52:58,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 91 treesize of output 128 [2021-11-19 05:52:59,696 INFO L354 Elim1Store]: treesize reduction 216, result has 24.2 percent of original size [2021-11-19 05:52:59,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 80 treesize of output 112 [2021-11-19 05:53:00,699 INFO L354 Elim1Store]: treesize reduction 244, result has 30.1 percent of original size [2021-11-19 05:53:00,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 115 treesize of output 175 [2021-11-19 05:53:01,847 INFO L354 Elim1Store]: treesize reduction 308, result has 22.2 percent of original size [2021-11-19 05:53:01,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 96 treesize of output 139 [2021-11-19 05:53:03,951 INFO L354 Elim1Store]: treesize reduction 340, result has 28.6 percent of original size [2021-11-19 05:53:03,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 139 treesize of output 222 [2021-11-19 05:53:05,742 INFO L354 Elim1Store]: treesize reduction 416, result has 20.5 percent of original size [2021-11-19 05:53:05,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 112 treesize of output 166 [2021-11-19 05:53:10,559 INFO L354 Elim1Store]: treesize reduction 452, result has 27.0 percent of original size [2021-11-19 05:53:10,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 163 treesize of output 269 [2021-11-19 05:53:14,433 INFO L354 Elim1Store]: treesize reduction 540, result has 18.9 percent of original size [2021-11-19 05:53:14,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 128 treesize of output 193 [2021-11-19 05:53:28,203 INFO L354 Elim1Store]: treesize reduction 580, result has 25.4 percent of original size [2021-11-19 05:53:28,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 187 treesize of output 316 [2021-11-19 05:53:54,509 INFO L354 Elim1Store]: treesize reduction 680, result has 17.6 percent of original size [2021-11-19 05:53:54,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 144 treesize of output 220 [2021-11-19 05:54:28,153 INFO L354 Elim1Store]: treesize reduction 724, result has 24.0 percent of original size [2021-11-19 05:54:28,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 44 case distinctions, treesize of input 211 treesize of output 363 [2021-11-19 05:55:52,698 WARN L228 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2021-11-19 05:55:52,699 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2021-11-19 05:55:52,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2021-11-19 05:55:52,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2021-11-19 05:55:52,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:55:52,900 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:260) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:139) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:934) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:773) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:582) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:438) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:237) ... 46 more [2021-11-19 05:55:52,903 INFO L158 Benchmark]: Toolchain (without parser) took 729678.04ms. Allocated memory was 102.8MB in the beginning and 775.9MB in the end (delta: 673.2MB). Free memory was 69.4MB in the beginning and 205.5MB in the end (delta: -136.1MB). Peak memory consumption was 534.8MB. Max. memory is 16.1GB. [2021-11-19 05:55:52,903 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 102.8MB. Free memory was 55.6MB in the beginning and 55.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:55:52,904 INFO L158 Benchmark]: CACSL2BoogieTranslator took 784.13ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 69.4MB in the beginning and 81.8MB in the end (delta: -12.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 05:55:52,904 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.50ms. Allocated memory is still 123.7MB. Free memory was 81.8MB in the beginning and 79.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 05:55:52,904 INFO L158 Benchmark]: Boogie Preprocessor took 43.82ms. Allocated memory is still 123.7MB. Free memory was 79.2MB in the beginning and 77.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:55:52,904 INFO L158 Benchmark]: RCFGBuilder took 604.90ms. Allocated memory is still 123.7MB. Free memory was 77.6MB in the beginning and 64.0MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-19 05:55:52,905 INFO L158 Benchmark]: TraceAbstraction took 728153.44ms. Allocated memory was 123.7MB in the beginning and 775.9MB in the end (delta: 652.2MB). Free memory was 63.5MB in the beginning and 205.5MB in the end (delta: -142.0MB). Peak memory consumption was 510.0MB. Max. memory is 16.1GB. [2021-11-19 05:55:52,907 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 102.8MB. Free memory was 55.6MB in the beginning and 55.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 784.13ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 69.4MB in the beginning and 81.8MB in the end (delta: -12.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.50ms. Allocated memory is still 123.7MB. Free memory was 81.8MB in the beginning and 79.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.82ms. Allocated memory is still 123.7MB. Free memory was 79.2MB in the beginning and 77.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 604.90ms. Allocated memory is still 123.7MB. Free memory was 77.6MB in the beginning and 64.0MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 728153.44ms. Allocated memory was 123.7MB in the beginning and 775.9MB in the end (delta: 652.2MB). Free memory was 63.5MB in the beginning and 205.5MB in the end (delta: -142.0MB). Peak memory consumption was 510.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 315, positive: 311, positive conditional: 16, positive unconditional: 295, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 313, positive: 311, positive conditional: 16, positive unconditional: 295, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 313, positive: 311, positive conditional: 16, positive unconditional: 295, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 313, positive: 311, positive conditional: 0, positive unconditional: 311, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 313, positive: 311, positive conditional: 0, positive unconditional: 311, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 313, positive: 311, positive conditional: 0, positive unconditional: 311, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 288, positive: 286, positive conditional: 0, positive unconditional: 286, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 288, positive: 286, positive conditional: 0, positive unconditional: 286, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 61, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 313, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 288, unknown conditional: 0, unknown unconditional: 288] , Statistics on independence cache: Total cache size (in pairs): 288, Positive cache size: 286, Positive conditional cache size: 0, Positive unconditional cache size: 286, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 2 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 47, Number of trivial persistent sets: 42, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 297, positive: 295, positive conditional: 0, positive unconditional: 295, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 315, positive: 311, positive conditional: 16, positive unconditional: 295, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 313, positive: 311, positive conditional: 16, positive unconditional: 295, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 313, positive: 311, positive conditional: 16, positive unconditional: 295, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 313, positive: 311, positive conditional: 0, positive unconditional: 311, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 313, positive: 311, positive conditional: 0, positive unconditional: 311, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 313, positive: 311, positive conditional: 0, positive unconditional: 311, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 288, positive: 286, positive conditional: 0, positive unconditional: 286, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 288, positive: 286, positive conditional: 0, positive unconditional: 286, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 61, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 313, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 288, unknown conditional: 0, unknown unconditional: 288] , Statistics on independence cache: Total cache size (in pairs): 288, Positive cache size: 286, Positive conditional cache size: 0, Positive unconditional cache size: 286, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 2 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 233892, positive: 218138, positive conditional: 212267, positive unconditional: 5871, negative: 15754, negative conditional: 15688, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 218380, positive: 218138, positive conditional: 212267, positive unconditional: 5871, negative: 242, negative conditional: 176, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 218380, positive: 218138, positive conditional: 212267, positive unconditional: 5871, negative: 242, negative conditional: 176, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 226275, positive: 218138, positive conditional: 212098, positive unconditional: 6040, negative: 8137, negative conditional: 7895, negative unconditional: 242, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 226275, positive: 218138, positive conditional: 133116, positive unconditional: 85022, negative: 8137, negative conditional: 6082, negative unconditional: 2055, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 226275, positive: 218138, positive conditional: 133116, positive unconditional: 85022, negative: 8137, negative conditional: 6082, negative unconditional: 2055, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5155, positive: 4806, positive conditional: 491, positive unconditional: 4315, negative: 349, negative conditional: 283, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5155, positive: 4430, positive conditional: 0, positive unconditional: 4430, negative: 725, negative conditional: 0, negative unconditional: 725, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 725, positive: 376, positive conditional: 360, positive unconditional: 16, negative: 346, negative conditional: 280, negative unconditional: 66, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3800, positive: 822, positive conditional: 781, positive unconditional: 41, negative: 864, negative conditional: 645, negative unconditional: 219, unknown: 2114, unknown conditional: 2114, unknown unconditional: 0] ], Cache Queries: [ total: 226275, positive: 213332, positive conditional: 132625, positive unconditional: 80707, negative: 7788, negative conditional: 5799, negative unconditional: 1989, unknown: 5155, unknown conditional: 774, unknown unconditional: 4381] , Statistics on independence cache: Total cache size (in pairs): 5155, Positive cache size: 4806, Positive conditional cache size: 491, Positive unconditional cache size: 4315, Negative cache size: 349, Negative conditional cache size: 283, Negative unconditional cache size: 66, Eliminated conditions: 80795, Maximal queried relation: 16, Independence queries for same thread: 15512 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.7s, Number of persistent set computation: 2260, Number of trivial persistent sets: 1262, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5937, positive: 5871, positive conditional: 0, positive unconditional: 5871, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 233892, positive: 218138, positive conditional: 212267, positive unconditional: 5871, negative: 15754, negative conditional: 15688, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 218380, positive: 218138, positive conditional: 212267, positive unconditional: 5871, negative: 242, negative conditional: 176, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 218380, positive: 218138, positive conditional: 212267, positive unconditional: 5871, negative: 242, negative conditional: 176, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 226275, positive: 218138, positive conditional: 212098, positive unconditional: 6040, negative: 8137, negative conditional: 7895, negative unconditional: 242, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 226275, positive: 218138, positive conditional: 133116, positive unconditional: 85022, negative: 8137, negative conditional: 6082, negative unconditional: 2055, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 226275, positive: 218138, positive conditional: 133116, positive unconditional: 85022, negative: 8137, negative conditional: 6082, negative unconditional: 2055, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5155, positive: 4806, positive conditional: 491, positive unconditional: 4315, negative: 349, negative conditional: 283, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5155, positive: 4430, positive conditional: 0, positive unconditional: 4430, negative: 725, negative conditional: 0, negative unconditional: 725, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 725, positive: 376, positive conditional: 360, positive unconditional: 16, negative: 346, negative conditional: 280, negative unconditional: 66, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3800, positive: 822, positive conditional: 781, positive unconditional: 41, negative: 864, negative conditional: 645, negative unconditional: 219, unknown: 2114, unknown conditional: 2114, unknown unconditional: 0] ], Cache Queries: [ total: 226275, positive: 213332, positive conditional: 132625, positive unconditional: 80707, negative: 7788, negative conditional: 5799, negative unconditional: 1989, unknown: 5155, unknown conditional: 774, unknown unconditional: 4381] , Statistics on independence cache: Total cache size (in pairs): 5155, Positive cache size: 4806, Positive conditional cache size: 491, Positive unconditional cache size: 4315, Negative cache size: 349, Negative conditional cache size: 283, Negative unconditional cache size: 66, Eliminated conditions: 80795, Maximal queried relation: 16, Independence queries for same thread: 15512 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-19 05:55:52,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (18)] Forceful destruction successful, exit code 0 [2021-11-19 05:55:53,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2021-11-19 05:55:53,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-lit/sssc12_variant.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7be74b3f1207f4387a275e1f4e0e57734d5f1b215282bd8d49efde8c6948d207 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:55:55,619 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:55:55,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:55:55,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:55:55,652 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:55:55,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:55:55,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:55:55,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:55:55,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:55:55,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:55:55,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:55:55,678 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:55:55,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:55:55,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:55:55,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:55:55,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:55:55,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:55:55,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:55:55,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:55:55,691 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:55:55,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:55:55,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:55:55,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:55:55,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:55:55,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:55:55,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:55:55,721 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:55:55,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:55:55,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:55:55,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:55:55,725 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:55:55,726 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:55:55,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:55:55,727 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:55:55,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:55:55,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:55:55,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:55:55,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:55:55,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:55:55,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:55:55,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:55:55,733 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-11-19 05:55:55,775 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:55:55,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:55:55,779 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:55:55,780 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:55:55,780 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:55:55,781 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:55:55,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:55:55,783 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:55:55,783 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:55:55,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:55:55,785 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:55:55,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:55:55,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:55:55,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 05:55:55,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:55:55,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 05:55:55,786 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 05:55:55,786 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 05:55:55,786 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:55:55,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:55:55,787 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:55:55,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 05:55:55,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:55:55,788 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:55:55,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:55:55,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:55:55,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:55:55,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:55:55,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 05:55:55,789 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-19 05:55:55,789 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 05:55:55,790 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 05:55:55,790 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-19 05:55:55,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 05:55:55,790 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-19 05:55:55,791 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-19 05:55:55,791 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 05:55:55,791 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7be74b3f1207f4387a275e1f4e0e57734d5f1b215282bd8d49efde8c6948d207 [2021-11-19 05:55:56,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:55:56,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:55:56,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:55:56,196 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:55:56,197 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:55:56,198 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/../../sv-benchmarks/c/pthread-lit/sssc12_variant.i [2021-11-19 05:55:56,270 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/data/4d34df7b9/446b7714eae241cd817723b529614d9b/FLAG45381cbde [2021-11-19 05:55:56,879 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:55:56,885 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/sv-benchmarks/c/pthread-lit/sssc12_variant.i [2021-11-19 05:55:56,908 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/data/4d34df7b9/446b7714eae241cd817723b529614d9b/FLAG45381cbde [2021-11-19 05:55:57,127 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/data/4d34df7b9/446b7714eae241cd817723b529614d9b [2021-11-19 05:55:57,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:55:57,141 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:55:57,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:55:57,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:55:57,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:55:57,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:55:57" (1/1) ... [2021-11-19 05:55:57,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14c4a776 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:57, skipping insertion in model container [2021-11-19 05:55:57,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:55:57" (1/1) ... [2021-11-19 05:55:57,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:55:57,196 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:55:57,723 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/sv-benchmarks/c/pthread-lit/sssc12_variant.i[46865,46878] [2021-11-19 05:55:57,752 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:55:57,770 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:55:57,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/sv-benchmarks/c/pthread-lit/sssc12_variant.i[46865,46878] [2021-11-19 05:55:57,828 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:55:57,904 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:55:57,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:57 WrapperNode [2021-11-19 05:55:57,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:55:57,906 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:55:57,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:55:57,906 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:55:57,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:57" (1/1) ... [2021-11-19 05:55:57,932 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:57" (1/1) ... [2021-11-19 05:55:57,970 INFO L137 Inliner]: procedures = 278, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 87 [2021-11-19 05:55:57,971 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:55:57,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:55:57,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:55:57,973 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:55:57,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:57" (1/1) ... [2021-11-19 05:55:57,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:57" (1/1) ... [2021-11-19 05:55:57,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:57" (1/1) ... [2021-11-19 05:55:57,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:57" (1/1) ... [2021-11-19 05:55:57,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:57" (1/1) ... [2021-11-19 05:55:57,999 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:57" (1/1) ... [2021-11-19 05:55:58,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:57" (1/1) ... [2021-11-19 05:55:58,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:55:58,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:55:58,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:55:58,016 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:55:58,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:57" (1/1) ... [2021-11-19 05:55:58,024 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:55:58,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:55:58,054 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 05:55:58,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 05:55:58,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 05:55:58,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-19 05:55:58,092 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2021-11-19 05:55:58,092 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2021-11-19 05:55:58,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 05:55:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 05:55:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 05:55:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 05:55:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-19 05:55:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 05:55:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:55:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:55:58,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:55:58,095 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-19 05:55:58,209 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:55:58,210 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:55:58,444 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:55:58,500 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:55:58,500 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-19 05:55:58,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:55:58 BoogieIcfgContainer [2021-11-19 05:55:58,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:55:58,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 05:55:58,504 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 05:55:58,507 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 05:55:58,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:55:57" (1/3) ... [2021-11-19 05:55:58,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3664849f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:55:58, skipping insertion in model container [2021-11-19 05:55:58,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:57" (2/3) ... [2021-11-19 05:55:58,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3664849f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:55:58, skipping insertion in model container [2021-11-19 05:55:58,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:55:58" (3/3) ... [2021-11-19 05:55:58,510 INFO L111 eAbstractionObserver]: Analyzing ICFG sssc12_variant.i [2021-11-19 05:55:58,514 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-19 05:55:58,514 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 05:55:58,514 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 05:55:58,515 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-19 05:55:58,543 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,543 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,543 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,544 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,544 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,544 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,544 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,545 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,545 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,545 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,545 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,546 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,546 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,546 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,546 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,547 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,547 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,547 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,548 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,548 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,548 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,549 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,549 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,549 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,550 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,550 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,550 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,550 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,551 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,551 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,551 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,552 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,552 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,552 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,552 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,553 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,553 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,553 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,553 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,553 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,554 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,554 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,554 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,555 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,556 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,556 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,556 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,556 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,557 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,557 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,557 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,558 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,558 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,558 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,558 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,559 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,559 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,559 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,559 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,559 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,560 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,560 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,560 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,561 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,561 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,561 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,562 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,562 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,562 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,562 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,566 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,566 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,566 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,566 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,567 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,567 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,567 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,567 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,568 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,568 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,568 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:55:58,569 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-19 05:55:58,617 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-19 05:55:58,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:55:58,619 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-19 05:55:58,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-19 05:55:58,669 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-19 05:55:58,675 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 05:55:58,676 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 05:55:58,813 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-19 05:55:58,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:55:58,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1629230702, now seen corresponding path program 1 times [2021-11-19 05:55:58,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:55:58,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [175743904] [2021-11-19 05:55:58,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:55:58,831 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:55:58,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat [2021-11-19 05:55:58,835 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:55:58,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 05:55:58,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:55:58,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-19 05:55:58,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:55:59,156 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-19 05:55:59,156 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:55:59,255 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-19 05:55:59,256 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:55:59,256 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [175743904] [2021-11-19 05:55:59,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [175743904] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:55:59,258 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:55:59,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-19 05:55:59,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671336589] [2021-11-19 05:55:59,261 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:55:59,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 05:55:59,267 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:55:59,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 05:55:59,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 05:55:59,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:55:59,297 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:55:59,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:55:59,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:55:59,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:55:59,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 05:55:59,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 [2021-11-19 05:55:59,545 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-19 05:55:59,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:55:59,549 INFO L85 PathProgramCache]: Analyzing trace with hash -814057083, now seen corresponding path program 1 times [2021-11-19 05:55:59,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:55:59,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1186116569] [2021-11-19 05:55:59,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:55:59,554 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:55:59,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat [2021-11-19 05:55:59,556 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:55:59,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 05:55:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:55:59,671 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:55:59,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:55:59,768 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-11-19 05:55:59,768 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-19 05:55:59,770 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 1 remaining) [2021-11-19 05:55:59,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 05:55:59,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 [2021-11-19 05:55:59,992 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-19 05:55:59,993 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/2) [2021-11-19 05:55:59,994 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-19 05:55:59,994 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-11-19 05:56:00,009 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,010 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,011 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,011 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,011 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,011 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,011 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,012 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,012 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,012 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,012 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,012 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,013 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,013 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,014 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,014 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,014 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,014 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,015 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,015 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,016 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,016 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,016 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,016 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,016 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,017 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,017 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,017 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,018 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,018 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,018 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,018 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,018 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,019 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,019 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,019 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,019 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,019 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,020 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,020 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,020 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,020 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,020 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,021 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,021 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,021 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,021 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,021 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,022 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,022 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,024 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,025 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,025 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,025 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,025 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,026 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,026 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,026 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,026 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,026 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,027 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,028 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,029 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,029 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,029 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,029 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,030 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,030 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,030 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,030 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,030 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,031 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,034 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,034 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,035 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,035 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,035 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,035 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,036 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,036 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,036 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,036 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,037 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,037 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,038 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,038 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,039 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,039 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,039 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,039 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,042 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,046 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,046 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,047 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,047 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,047 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,048 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,048 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,048 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,049 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,049 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,049 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,049 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,049 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,050 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,050 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,050 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,050 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,050 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,051 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,051 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,051 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,051 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,051 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,052 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,052 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,052 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,052 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,052 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,053 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,053 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,053 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,053 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,053 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,054 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,054 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,054 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,055 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,055 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,055 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,055 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,055 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,055 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,056 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,056 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,056 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,056 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,056 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,057 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,057 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,058 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,058 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,058 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,058 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,058 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,059 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,059 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,059 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,059 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,059 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,060 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,061 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,061 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,061 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,062 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,062 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,062 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,062 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,062 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,062 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,063 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,064 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:56:00,065 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-19 05:56:00,074 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-19 05:56:00,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:56:00,083 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-19 05:56:00,092 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thrThread2of2ForFork0 ======== [2021-11-19 05:56:00,093 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 05:56:00,094 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 05:56:00,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2021-11-19 05:56:00,363 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:56:00,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:56:00,364 INFO L85 PathProgramCache]: Analyzing trace with hash -615266465, now seen corresponding path program 1 times [2021-11-19 05:56:00,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:56:00,365 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [268046865] [2021-11-19 05:56:00,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:56:00,365 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:56:00,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat [2021-11-19 05:56:00,371 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:56:00,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 05:56:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:56:00,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-19 05:56:00,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:56:00,664 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-19 05:56:00,665 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:56:00,823 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-19 05:56:00,823 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:56:00,824 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [268046865] [2021-11-19 05:56:00,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [268046865] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:56:00,825 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:56:00,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-19 05:56:00,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110335049] [2021-11-19 05:56:00,826 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:56:00,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 05:56:00,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:56:00,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 05:56:00,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 05:56:00,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:56:00,832 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:56:00,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 43.0) internal successors, (86), 2 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:56:00,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:56:00,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:56:00,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 05:56:01,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 [2021-11-19 05:56:01,078 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:56:01,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:56:01,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1459012586, now seen corresponding path program 1 times [2021-11-19 05:56:01,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:56:01,080 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1619078335] [2021-11-19 05:56:01,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:56:01,080 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:56:01,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat [2021-11-19 05:56:01,086 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:56:01,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 05:56:01,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:56:01,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 05:56:01,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:56:01,475 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-19 05:56:01,475 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:56:01,923 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-19 05:56:01,923 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:56:01,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1619078335] [2021-11-19 05:56:01,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1619078335] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:56:01,924 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:56:01,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-19 05:56:01,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665163443] [2021-11-19 05:56:01,925 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:56:01,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 05:56:01,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:56:01,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 05:56:01,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-19 05:56:01,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:56:01,927 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:56:01,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.0) internal successors, (120), 8 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:56:01,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:56:01,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:56:02,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:56:02,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 05:56:02,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-19 05:56:02,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 [2021-11-19 05:56:02,501 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:56:02,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:56:02,502 INFO L85 PathProgramCache]: Analyzing trace with hash 2041054639, now seen corresponding path program 1 times [2021-11-19 05:56:02,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:56:02,504 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [743534505] [2021-11-19 05:56:02,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:56:02,504 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:56:02,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat [2021-11-19 05:56:02,505 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:56:02,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-19 05:56:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:56:02,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 05:56:02,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:56:02,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-19 05:56:02,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2021-11-19 05:56:02,881 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-19 05:56:02,881 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:56:03,069 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-19 05:56:03,069 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:56:03,070 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [743534505] [2021-11-19 05:56:03,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [743534505] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:56:03,070 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:56:03,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2021-11-19 05:56:03,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731491717] [2021-11-19 05:56:03,071 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:56:03,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 05:56:03,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:56:03,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 05:56:03,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-19 05:56:03,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:56:03,073 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:56:03,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:56:03,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:56:03,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-19 05:56:03,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:56:03,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:56:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:56:03,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:56:03,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-19 05:56:03,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 [2021-11-19 05:56:03,605 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:56:03,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:56:03,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1388777688, now seen corresponding path program 1 times [2021-11-19 05:56:03,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:56:03,606 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [286620200] [2021-11-19 05:56:03,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:56:03,607 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:56:03,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat [2021-11-19 05:56:03,607 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:56:03,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-19 05:56:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:56:03,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 05:56:03,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:56:04,172 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-19 05:56:04,172 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:56:04,858 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-19 05:56:04,858 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:56:04,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [286620200] [2021-11-19 05:56:04,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [286620200] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:56:04,859 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-19 05:56:04,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-11-19 05:56:04,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591611584] [2021-11-19 05:56:04,859 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-19 05:56:04,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 05:56:04,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:56:04,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 05:56:04,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-11-19 05:56:04,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:56:04,861 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:56:04,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.0) internal successors, (168), 12 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:56:04,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:56:04,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:56:04,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:56:04,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:56:05,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:56:05,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:56:05,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:56:05,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-19 05:56:05,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-19 05:56:05,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 [2021-11-19 05:56:05,680 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:56:05,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:56:05,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1580176204, now seen corresponding path program 2 times [2021-11-19 05:56:05,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:56:05,681 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1176370518] [2021-11-19 05:56:05,681 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-19 05:56:05,681 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:56:05,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat [2021-11-19 05:56:05,682 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:56:05,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-19 05:56:05,759 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-19 05:56:05,759 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:56:05,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 05:56:05,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:56:06,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-19 05:56:06,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2021-11-19 05:56:06,093 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2021-11-19 05:56:06,093 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:56:06,354 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2021-11-19 05:56:06,355 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:56:06,355 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1176370518] [2021-11-19 05:56:06,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1176370518] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:56:06,355 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:56:06,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2021-11-19 05:56:06,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965524598] [2021-11-19 05:56:06,356 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:56:06,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 05:56:06,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:56:06,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 05:56:06,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-19 05:56:06,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:56:06,357 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:56:06,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.625) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:56:06,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:56:06,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:56:06,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:56:06,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-19 05:56:06,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:56:06,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:56:06,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:56:06,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:56:06,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-19 05:56:06,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 05:56:06,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-19 05:56:06,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 [2021-11-19 05:56:06,834 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:56:06,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:56:06,834 INFO L85 PathProgramCache]: Analyzing trace with hash 288170011, now seen corresponding path program 1 times [2021-11-19 05:56:06,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:56:06,835 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [458263195] [2021-11-19 05:56:06,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:56:06,835 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:56:06,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat [2021-11-19 05:56:06,839 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:56:06,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-19 05:56:06,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:56:06,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-19 05:56:06,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:56:07,685 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 11 proven. 186 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-19 05:56:07,686 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:56:08,843 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 11 proven. 186 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-19 05:56:08,843 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:56:08,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [458263195] [2021-11-19 05:56:08,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [458263195] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:56:08,844 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-19 05:56:08,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-11-19 05:56:08,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482120503] [2021-11-19 05:56:08,844 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-19 05:56:08,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-19 05:56:08,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:56:08,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-19 05:56:08,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2021-11-19 05:56:08,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:56:08,846 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:56:08,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 13.7) internal successors, (274), 20 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:56:08,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:56:08,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:56:08,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:56:08,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-19 05:56:08,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-19 05:56:08,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:56:09,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:56:09,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:56:09,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:56:09,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-19 05:56:09,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 05:56:09,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-19 05:56:09,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-19 05:56:10,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 [2021-11-19 05:56:10,185 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:56:10,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:56:10,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1690692361, now seen corresponding path program 2 times [2021-11-19 05:56:10,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:56:10,186 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1149944137] [2021-11-19 05:56:10,186 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-19 05:56:10,187 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:56:10,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat [2021-11-19 05:56:10,188 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:56:10,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac58753-da17-4fd1-a89f-e2b0350c4bc1/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-19 05:56:10,367 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-19 05:56:10,367 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:56:10,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-19 05:56:10,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:56:10,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 05:56:10,463 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-19 05:56:10,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2021-11-19 05:56:10,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-19 05:56:11,088 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-19 05:56:11,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-19 05:56:11,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2021-11-19 05:56:11,170 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2021-11-19 05:56:11,170 INFO L328 TraceCheckSpWp]: Computing backward predicates...