./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/test-context1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b09c85b7 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/test-context1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a6c10414fe2617d00008bf9d366bc6ac1618cf93ea0f6ae08bc6c5a126364bce --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b09c85b [2022-11-08 07:41:57,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-08 07:41:57,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-08 07:41:57,131 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-08 07:41:57,132 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-08 07:41:57,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-08 07:41:57,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-08 07:41:57,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-08 07:41:57,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-08 07:41:57,142 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-08 07:41:57,143 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-08 07:41:57,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-08 07:41:57,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-08 07:41:57,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-08 07:41:57,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-08 07:41:57,152 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-08 07:41:57,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-08 07:41:57,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-08 07:41:57,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-08 07:41:57,172 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-08 07:41:57,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-08 07:41:57,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-08 07:41:57,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-08 07:41:57,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-08 07:41:57,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-08 07:41:57,186 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-08 07:41:57,186 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-08 07:41:57,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-08 07:41:57,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-08 07:41:57,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-08 07:41:57,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-08 07:41:57,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-08 07:41:57,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-08 07:41:57,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-08 07:41:57,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-08 07:41:57,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-08 07:41:57,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-08 07:41:57,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-08 07:41:57,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-08 07:41:57,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-08 07:41:57,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-08 07:41:57,200 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2022-11-08 07:41:57,246 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-08 07:41:57,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-08 07:41:57,246 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-08 07:41:57,247 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-08 07:41:57,247 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-08 07:41:57,247 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-08 07:41:57,248 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-08 07:41:57,248 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-08 07:41:57,249 INFO L138 SettingsManager]: * Use SBE=true [2022-11-08 07:41:57,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-08 07:41:57,249 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-08 07:41:57,249 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-08 07:41:57,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-08 07:41:57,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-08 07:41:57,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-08 07:41:57,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-08 07:41:57,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-08 07:41:57,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-08 07:41:57,251 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-08 07:41:57,251 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-08 07:41:57,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-08 07:41:57,251 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-08 07:41:57,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-08 07:41:57,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-08 07:41:57,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-08 07:41:57,252 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-08 07:41:57,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-08 07:41:57,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-08 07:41:57,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-08 07:41:57,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-08 07:41:57,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-08 07:41:57,254 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-08 07:41:57,254 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-11-08 07:41:57,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-08 07:41:57,254 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-08 07:41:57,255 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-08 07:41:57,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-08 07:41:57,255 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-08 07:41:57,255 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-08 07:41:57,255 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_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6c10414fe2617d00008bf9d366bc6ac1618cf93ea0f6ae08bc6c5a126364bce [2022-11-08 07:41:57,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-08 07:41:57,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-08 07:41:57,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-08 07:41:57,544 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-08 07:41:57,544 INFO L275 PluginConnector]: CDTParser initialized [2022-11-08 07:41:57,546 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/../../sv-benchmarks/c/weaver/test-context1.wvr.c [2022-11-08 07:41:57,641 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/data/702374eb8/ad1157113f3f462a994640f70df6a723/FLAG9601a9b54 [2022-11-08 07:41:58,182 INFO L306 CDTParser]: Found 1 translation units. [2022-11-08 07:41:58,185 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/sv-benchmarks/c/weaver/test-context1.wvr.c [2022-11-08 07:41:58,194 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/data/702374eb8/ad1157113f3f462a994640f70df6a723/FLAG9601a9b54 [2022-11-08 07:41:58,516 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/data/702374eb8/ad1157113f3f462a994640f70df6a723 [2022-11-08 07:41:58,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-08 07:41:58,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-08 07:41:58,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-08 07:41:58,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-08 07:41:58,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-08 07:41:58,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:41:58" (1/1) ... [2022-11-08 07:41:58,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4375b0e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:58, skipping insertion in model container [2022-11-08 07:41:58,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:41:58" (1/1) ... [2022-11-08 07:41:58,543 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-08 07:41:58,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-08 07:41:58,801 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_5a99ea29-151c-4dc6-a9c1-ea45accca137/sv-benchmarks/c/weaver/test-context1.wvr.c[2433,2446] [2022-11-08 07:41:58,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-08 07:41:58,819 INFO L203 MainTranslator]: Completed pre-run [2022-11-08 07:41:58,841 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_5a99ea29-151c-4dc6-a9c1-ea45accca137/sv-benchmarks/c/weaver/test-context1.wvr.c[2433,2446] [2022-11-08 07:41:58,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-08 07:41:58,858 INFO L208 MainTranslator]: Completed translation [2022-11-08 07:41:58,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:58 WrapperNode [2022-11-08 07:41:58,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-08 07:41:58,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-08 07:41:58,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-08 07:41:58,860 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-08 07:41:58,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:58" (1/1) ... [2022-11-08 07:41:58,878 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:58" (1/1) ... [2022-11-08 07:41:58,913 INFO L138 Inliner]: procedures = 24, calls = 34, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 149 [2022-11-08 07:41:58,913 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-08 07:41:58,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-08 07:41:58,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-08 07:41:58,914 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-08 07:41:58,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:58" (1/1) ... [2022-11-08 07:41:58,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:58" (1/1) ... [2022-11-08 07:41:58,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:58" (1/1) ... [2022-11-08 07:41:58,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:58" (1/1) ... [2022-11-08 07:41:58,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:58" (1/1) ... [2022-11-08 07:41:58,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:58" (1/1) ... [2022-11-08 07:41:58,939 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:58" (1/1) ... [2022-11-08 07:41:58,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:58" (1/1) ... [2022-11-08 07:41:58,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-08 07:41:58,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-08 07:41:58,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-08 07:41:58,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-08 07:41:58,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:58" (1/1) ... [2022-11-08 07:41:58,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-08 07:41:58,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:41:58,985 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-08 07:41:59,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-08 07:41:59,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-08 07:41:59,037 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-08 07:41:59,038 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-08 07:41:59,038 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-08 07:41:59,038 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-08 07:41:59,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-08 07:41:59,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-08 07:41:59,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-08 07:41:59,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-08 07:41:59,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-08 07:41:59,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-08 07:41:59,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-08 07:41:59,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-08 07:41:59,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-08 07:41:59,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-08 07:41:59,042 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-08 07:41:59,189 INFO L235 CfgBuilder]: Building ICFG [2022-11-08 07:41:59,191 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-08 07:41:59,518 INFO L276 CfgBuilder]: Performing block encoding [2022-11-08 07:41:59,906 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-08 07:41:59,906 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-08 07:41:59,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:41:59 BoogieIcfgContainer [2022-11-08 07:41:59,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-08 07:41:59,924 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-08 07:41:59,924 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-08 07:41:59,928 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-08 07:41:59,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:41:58" (1/3) ... [2022-11-08 07:41:59,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54d864b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:41:59, skipping insertion in model container [2022-11-08 07:41:59,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:58" (2/3) ... [2022-11-08 07:41:59,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54d864b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:41:59, skipping insertion in model container [2022-11-08 07:41:59,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:41:59" (3/3) ... [2022-11-08 07:41:59,931 INFO L112 eAbstractionObserver]: Analyzing ICFG test-context1.wvr.c [2022-11-08 07:41:59,938 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-08 07:41:59,948 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-08 07:41:59,948 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-11-08 07:41:59,948 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-08 07:42:00,019 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-08 07:42:00,084 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-08 07:42:00,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-08 07:42:00,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:42:00,087 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-08 07:42:00,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-08 07:42:00,135 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-08 07:42:00,158 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork1 ======== [2022-11-08 07:42:00,172 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@68b2f7e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-08 07:42:00,172 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-08 07:42:00,400 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-08 07:42:00,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:00,405 INFO L85 PathProgramCache]: Analyzing trace with hash -864394698, now seen corresponding path program 1 times [2022-11-08 07:42:00,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:00,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576707284] [2022-11-08 07:42:00,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:00,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:00,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:00,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:42:00,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:00,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576707284] [2022-11-08 07:42:00,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576707284] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:42:00,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:42:00,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-08 07:42:00,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639699477] [2022-11-08 07:42:00,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:42:00,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-08 07:42:00,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:00,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-08 07:42:00,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-08 07:42:00,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:00,689 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:00,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 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) [2022-11-08 07:42:00,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:00,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:00,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-08 07:42:00,773 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-08 07:42:00,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:00,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1731208240, now seen corresponding path program 1 times [2022-11-08 07:42:00,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:00,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999778854] [2022-11-08 07:42:00,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:00,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:01,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:42:01,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:01,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999778854] [2022-11-08 07:42:01,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999778854] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:42:01,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:42:01,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-08 07:42:01,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842968968] [2022-11-08 07:42:01,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:42:01,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-08 07:42:01,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:01,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-08 07:42:01,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-08 07:42:01,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:01,104 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:01,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 36.5) internal successors, (73), 3 states have internal predecessors, (73), 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) [2022-11-08 07:42:01,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:01,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:01,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:01,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:01,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-08 07:42:01,492 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-08 07:42:01,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:01,493 INFO L85 PathProgramCache]: Analyzing trace with hash 486477885, now seen corresponding path program 1 times [2022-11-08 07:42:01,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:01,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124029140] [2022-11-08 07:42:01,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:01,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:01,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:42:01,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:01,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124029140] [2022-11-08 07:42:01,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124029140] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:42:01,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:42:01,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-08 07:42:01,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560375393] [2022-11-08 07:42:01,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:42:01,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-08 07:42:01,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:01,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-08 07:42:01,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-08 07:42:01,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:01,711 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:01,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 34.5) internal successors, (69), 3 states have internal predecessors, (69), 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) [2022-11-08 07:42:01,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:01,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:01,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:01,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:01,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:01,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:01,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-08 07:42:01,754 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-08 07:42:01,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:01,755 INFO L85 PathProgramCache]: Analyzing trace with hash 486477887, now seen corresponding path program 1 times [2022-11-08 07:42:01,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:01,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265028727] [2022-11-08 07:42:01,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:01,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:01,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:01,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:42:01,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:01,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265028727] [2022-11-08 07:42:01,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265028727] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:42:01,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:42:01,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-08 07:42:01,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993132529] [2022-11-08 07:42:01,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:42:01,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-08 07:42:01,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:01,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-08 07:42:01,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-08 07:42:01,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:01,956 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:01,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 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) [2022-11-08 07:42:01,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:01,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:01,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:01,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:02,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:02,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:02,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:02,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:42:02,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-08 07:42:02,017 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-08 07:42:02,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:02,018 INFO L85 PathProgramCache]: Analyzing trace with hash 192899708, now seen corresponding path program 1 times [2022-11-08 07:42:02,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:02,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692865264] [2022-11-08 07:42:02,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:02,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:02,139 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:42:02,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:02,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692865264] [2022-11-08 07:42:02,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692865264] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-08 07:42:02,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567456757] [2022-11-08 07:42:02,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:02,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-08 07:42:02,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:42:02,150 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-08 07:42:02,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-08 07:42:02,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:02,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-08 07:42:02,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-08 07:42:02,751 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-08 07:42:02,751 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-08 07:42:02,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567456757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:42:02,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-08 07:42:02,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [3] total 10 [2022-11-08 07:42:02,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152576435] [2022-11-08 07:42:02,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:42:02,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-08 07:42:02,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:02,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-08 07:42:02,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-08 07:42:02,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:02,755 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:02,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 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) [2022-11-08 07:42:02,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:02,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:02,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:02,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:42:02,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:03,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:03,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:03,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:03,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:42:03,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-08 07:42:03,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-08 07:42:03,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-08 07:42:03,327 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-08 07:42:03,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:03,327 INFO L85 PathProgramCache]: Analyzing trace with hash -629873196, now seen corresponding path program 1 times [2022-11-08 07:42:03,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:03,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207432078] [2022-11-08 07:42:03,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:03,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:03,461 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-08 07:42:03,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:03,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207432078] [2022-11-08 07:42:03,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207432078] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-08 07:42:03,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415650532] [2022-11-08 07:42:03,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:03,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-08 07:42:03,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:42:03,463 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-08 07:42:03,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-08 07:42:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:03,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-08 07:42:03,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-08 07:42:03,729 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-08 07:42:03,729 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-08 07:42:03,895 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-08 07:42:03,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415650532] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-08 07:42:03,895 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-08 07:42:03,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-11-08 07:42:03,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633069977] [2022-11-08 07:42:03,896 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-08 07:42:03,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-08 07:42:03,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:03,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-08 07:42:03,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-08 07:42:03,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:03,898 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:03,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 39.0) internal successors, (234), 7 states have internal predecessors, (234), 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) [2022-11-08 07:42:03,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:03,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:03,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:03,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:42:03,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-08 07:42:03,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:04,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:04,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:04,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:04,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:42:04,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-08 07:42:04,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:42:04,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-08 07:42:04,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-08 07:42:04,257 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-08 07:42:04,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:04,258 INFO L85 PathProgramCache]: Analyzing trace with hash -891686471, now seen corresponding path program 2 times [2022-11-08 07:42:04,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:04,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447038287] [2022-11-08 07:42:04,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:04,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:04,508 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-08 07:42:04,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:04,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447038287] [2022-11-08 07:42:04,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447038287] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-08 07:42:04,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657647043] [2022-11-08 07:42:04,509 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-08 07:42:04,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-08 07:42:04,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:42:04,511 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-08 07:42:04,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-08 07:42:04,624 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-08 07:42:04,624 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-08 07:42:04,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-08 07:42:04,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-08 07:42:04,745 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-08 07:42:04,746 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-08 07:42:04,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657647043] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:42:04,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-08 07:42:04,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2022-11-08 07:42:04,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727386966] [2022-11-08 07:42:04,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:42:04,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-08 07:42:04,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:04,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-08 07:42:04,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-11-08 07:42:04,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:04,750 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:04,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 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) [2022-11-08 07:42:04,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:04,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:04,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:04,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:42:04,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-08 07:42:04,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-08 07:42:04,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:05,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:05,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:05,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:05,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:42:05,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-08 07:42:05,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:42:05,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:42:05,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-08 07:42:05,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-08 07:42:05,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-08 07:42:05,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-08 07:42:05,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-08 07:42:05,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-08 07:42:05,610 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2022-11-08 07:42:05,612 INFO L307 ceAbstractionStarter]: Result for error location thread2Thread1of1ForFork1 was SAFE,SAFE,SAFE,SAFE (1/3) [2022-11-08 07:42:05,624 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-08 07:42:05,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-08 07:42:05,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:42:05,627 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-08 07:42:05,635 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-08 07:42:05,636 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork0 ======== [2022-11-08 07:42:05,636 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@68b2f7e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-08 07:42:05,637 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-08 07:42:05,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2022-11-08 07:42:05,800 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-08 07:42:05,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:05,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1661038018, now seen corresponding path program 1 times [2022-11-08 07:42:05,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:05,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946354295] [2022-11-08 07:42:05,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:05,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:05,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:42:05,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:05,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946354295] [2022-11-08 07:42:05,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946354295] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:42:05,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:42:05,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-08 07:42:05,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328417171] [2022-11-08 07:42:05,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:42:05,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-08 07:42:05,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:05,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-08 07:42:05,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-08 07:42:05,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:05,829 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:05,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 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) [2022-11-08 07:42:05,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:05,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:05,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-08 07:42:05,844 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-08 07:42:05,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:05,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1166318676, now seen corresponding path program 1 times [2022-11-08 07:42:05,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:05,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900221484] [2022-11-08 07:42:05,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:05,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:05,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:42:05,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:05,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900221484] [2022-11-08 07:42:05,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900221484] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:42:05,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:42:05,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-08 07:42:05,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570830610] [2022-11-08 07:42:05,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:42:05,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-08 07:42:05,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:05,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-08 07:42:05,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-08 07:42:05,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:05,922 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:05,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 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) [2022-11-08 07:42:05,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:05,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:05,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:05,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:42:05,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-08 07:42:05,959 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-08 07:42:05,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:05,960 INFO L85 PathProgramCache]: Analyzing trace with hash 879316839, now seen corresponding path program 1 times [2022-11-08 07:42:05,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:05,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934197410] [2022-11-08 07:42:05,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:05,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:05,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:06,119 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:42:06,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:06,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934197410] [2022-11-08 07:42:06,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934197410] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-08 07:42:06,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884257485] [2022-11-08 07:42:06,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:06,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-08 07:42:06,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:42:06,126 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-08 07:42:06,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-08 07:42:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:06,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-08 07:42:06,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-08 07:42:06,601 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:42:06,601 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-08 07:42:06,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [884257485] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:42:06,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-08 07:42:06,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [4] total 11 [2022-11-08 07:42:06,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567682366] [2022-11-08 07:42:06,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:42:06,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-08 07:42:06,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:06,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-08 07:42:06,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-11-08 07:42:06,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:06,606 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:06,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 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) [2022-11-08 07:42:06,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:06,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:42:06,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:06,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:06,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:42:06,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-08 07:42:06,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-08 07:42:07,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-08 07:42:07,083 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-08 07:42:07,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:07,083 INFO L85 PathProgramCache]: Analyzing trace with hash -627823425, now seen corresponding path program 1 times [2022-11-08 07:42:07,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:07,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188737846] [2022-11-08 07:42:07,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:07,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:07,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-08 07:42:07,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:07,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188737846] [2022-11-08 07:42:07,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188737846] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-08 07:42:07,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359337838] [2022-11-08 07:42:07,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:07,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-08 07:42:07,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:42:07,251 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-08 07:42:07,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-08 07:42:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:07,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-08 07:42:07,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-08 07:42:07,655 INFO L390 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 15 treesize of output 3 [2022-11-08 07:42:07,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-08 07:42:07,706 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-08 07:42:07,746 INFO L390 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 15 treesize of output 4 [2022-11-08 07:42:08,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-08 07:42:08,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1359337838] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-08 07:42:08,347 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-08 07:42:08,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2022-11-08 07:42:08,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130407721] [2022-11-08 07:42:08,347 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-08 07:42:08,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-08 07:42:08,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:08,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-08 07:42:08,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-11-08 07:42:08,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:08,349 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:08,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 22.6) internal successors, (226), 11 states have internal predecessors, (226), 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) [2022-11-08 07:42:08,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:08,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:42:08,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-08 07:42:08,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:08,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:08,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:42:08,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-08 07:42:08,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:42:08,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-08 07:42:08,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-08 07:42:08,667 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-08 07:42:08,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:08,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1095633984, now seen corresponding path program 1 times [2022-11-08 07:42:08,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:08,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38078404] [2022-11-08 07:42:08,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:08,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:08,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:09,051 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-08 07:42:09,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:09,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38078404] [2022-11-08 07:42:09,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38078404] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-08 07:42:09,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802361411] [2022-11-08 07:42:09,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:09,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-08 07:42:09,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:42:09,053 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-08 07:42:09,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-08 07:42:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:09,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-08 07:42:09,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-08 07:42:09,411 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-08 07:42:09,412 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-08 07:42:09,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802361411] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:42:09,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-08 07:42:09,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2022-11-08 07:42:09,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827674513] [2022-11-08 07:42:09,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:42:09,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-08 07:42:09,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:09,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-08 07:42:09,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-11-08 07:42:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:09,414 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:09,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 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) [2022-11-08 07:42:09,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:09,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:42:09,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-08 07:42:09,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-08 07:42:09,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:09,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:09,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:42:09,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-08 07:42:09,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-08 07:42:09,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:09,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-08 07:42:09,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-08 07:42:09,868 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-08 07:42:09,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:09,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1340248078, now seen corresponding path program 1 times [2022-11-08 07:42:09,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:09,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106358316] [2022-11-08 07:42:09,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:09,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:10,226 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-08 07:42:10,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:10,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106358316] [2022-11-08 07:42:10,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106358316] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-08 07:42:10,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702737150] [2022-11-08 07:42:10,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:10,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-08 07:42:10,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:42:10,231 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-08 07:42:10,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-08 07:42:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:10,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-08 07:42:10,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-08 07:42:10,752 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-08 07:42:10,752 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-08 07:42:10,783 INFO L390 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 15 treesize of output 4 [2022-11-08 07:42:11,403 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-08 07:42:11,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1702737150] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-08 07:42:11,404 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-08 07:42:11,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 25 [2022-11-08 07:42:11,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923859152] [2022-11-08 07:42:11,404 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-08 07:42:11,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-08 07:42:11,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:11,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-08 07:42:11,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=473, Unknown=0, NotChecked=0, Total=600 [2022-11-08 07:42:11,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:11,406 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:11,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.68) internal successors, (217), 25 states have internal predecessors, (217), 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) [2022-11-08 07:42:11,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:11,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:42:11,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-08 07:42:11,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-08 07:42:11,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:11,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:12,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:12,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:42:12,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-08 07:42:12,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-08 07:42:12,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:12,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-08 07:42:12,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-08 07:42:12,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-08 07:42:12,804 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-08 07:42:12,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:12,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1216464742, now seen corresponding path program 2 times [2022-11-08 07:42:12,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:12,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674905087] [2022-11-08 07:42:12,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:12,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:13,173 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-08 07:42:13,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:13,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674905087] [2022-11-08 07:42:13,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674905087] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-08 07:42:13,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990307454] [2022-11-08 07:42:13,175 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-08 07:42:13,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-08 07:42:13,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:42:13,176 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-08 07:42:13,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-08 07:42:13,310 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-08 07:42:13,310 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-08 07:42:13,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-08 07:42:13,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-08 07:42:14,123 INFO L356 Elim1Store]: treesize reduction 41, result has 2.4 percent of original size [2022-11-08 07:42:14,123 INFO L390 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 46 treesize of output 10 [2022-11-08 07:42:14,162 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-08 07:42:14,163 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-08 07:42:14,687 INFO L356 Elim1Store]: treesize reduction 41, result has 2.4 percent of original size [2022-11-08 07:42:14,687 INFO L390 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 47 treesize of output 13 [2022-11-08 07:42:15,534 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-08 07:42:15,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990307454] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-08 07:42:15,534 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-08 07:42:15,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 22 [2022-11-08 07:42:15,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909576758] [2022-11-08 07:42:15,535 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-08 07:42:15,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-08 07:42:15,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:15,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-08 07:42:15,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2022-11-08 07:42:15,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:15,536 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:15,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 11.681818181818182) internal successors, (257), 23 states have internal predecessors, (257), 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) [2022-11-08 07:42:15,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:15,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:42:15,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-08 07:42:15,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-08 07:42:15,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:15,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-08 07:42:15,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:19,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:19,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:42:19,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-08 07:42:19,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-08 07:42:19,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:19,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-08 07:42:19,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-11-08 07:42:19,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-08 07:42:19,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-08 07:42:19,478 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-08 07:42:19,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:19,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1839872459, now seen corresponding path program 3 times [2022-11-08 07:42:19,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:19,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668810194] [2022-11-08 07:42:19,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:19,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:20,066 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2022-11-08 07:42:20,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:20,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668810194] [2022-11-08 07:42:20,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668810194] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-08 07:42:20,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567698929] [2022-11-08 07:42:20,067 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-08 07:42:20,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-08 07:42:20,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:42:20,071 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-08 07:42:20,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-08 07:42:20,203 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-08 07:42:20,203 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-08 07:42:20,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-08 07:42:20,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-08 07:42:20,407 INFO L390 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 15 treesize of output 3 [2022-11-08 07:42:20,450 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-08 07:42:20,450 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-08 07:42:20,495 INFO L390 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 15 treesize of output 4 [2022-11-08 07:42:20,669 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-08 07:42:20,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567698929] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-08 07:42:20,670 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-08 07:42:20,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 4, 4] total 16 [2022-11-08 07:42:20,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217386582] [2022-11-08 07:42:20,671 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-08 07:42:20,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-08 07:42:20,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:20,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-08 07:42:20,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2022-11-08 07:42:20,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:20,672 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:20,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 10.875) internal successors, (174), 17 states have internal predecessors, (174), 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) [2022-11-08 07:42:20,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:20,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:42:20,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-08 07:42:20,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-08 07:42:20,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:42:20,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-08 07:42:20,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-11-08 07:42:20,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:22,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-08 07:42:22,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-08 07:42:22,334 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 5647 column 452: unknown constant v_~size~0_182 at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1458) 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:239) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.assertTerm(Scriptor.java:147) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:111) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.assertTerm(ManagedScript.java:134) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.checkImplication(TransFormulaUtils.java:1146) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.performInclusionCheck(SemanticIndependenceRelation.java:190) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.containsLBool(SemanticIndependenceRelation.java:141) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:119) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.UnionIndependenceRelation.lambda$2(UnionIndependenceRelation.java:70) at java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90) at java.base/java.util.ArrayList$ArrayListSpliterator.tryAdvance(ArrayList.java:1632) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.anyMatch(ReferencePipeline.java:528) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.UnionIndependenceRelation.contains(UnionIndependenceRelation.java:70) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.CachedIndependenceRelation.contains(CachedIndependenceRelation.java:120) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticConditionEliminator.contains(SemanticConditionEliminator.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticConditionEliminator.contains(SemanticConditionEliminator.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.ConditionTransformingIndependenceRelation.contains(ConditionTransformingIndependenceRelation.java:87) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.DisjunctiveConditionalIndependenceRelation.contains(DisjunctiveConditionalIndependenceRelation.java:86) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.DisjunctiveConditionalIndependenceRelation.contains(DisjunctiveConditionalIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.ConditionTransformingIndependenceRelation.contains(ConditionTransformingIndependenceRelation.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ThreadSeparatingIndependenceRelation.contains(ThreadSeparatingIndependenceRelation.java:74) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ThreadSeparatingIndependenceRelation.contains(ThreadSeparatingIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.MinimalSleepSetReduction.lambda$1(MinimalSleepSetReduction.java:166) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:176) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.Streams$ConcatSpliterator.forEachRemaining(Streams.java:734) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:550) at java.base/java.util.stream.AbstractPipeline.evaluateToArrayNode(AbstractPipeline.java:260) at java.base/java.util.stream.ReferencePipeline.toArray(ReferencePipeline.java:517) at java.base/java.util.stream.ReferencePipeline.toArray(ReferencePipeline.java:523) at de.uni_freiburg.informatik.ultimate.automata.partialorder.MinimalSleepSetReduction.internalSuccessors(MinimalSleepSetReduction.java:166) at de.uni_freiburg.informatik.ultimate.automata.nestedword.INwaOutgoingLetterAndTransitionProvider.lambda$0(INwaOutgoingLetterAndTransitionProvider.java:123) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.nextLetter(NestedIterator.java:69) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.next(NestedIterator.java:94) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEachOrdered(ReferencePipeline.java:502) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.visitState(DepthFirstTraversal.java:236) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:165) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.(DepthFirstTraversal.java:98) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:122) at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction.applyNewStateReduction(PersistentSetReduction.java:67) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:248) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:466) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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) [2022-11-08 07:42:22,337 INFO L158 Benchmark]: Toolchain (without parser) took 23813.49ms. Allocated memory was 138.4MB in the beginning and 352.3MB in the end (delta: 213.9MB). Free memory was 104.4MB in the beginning and 181.7MB in the end (delta: -77.3MB). Peak memory consumption was 136.9MB. Max. memory is 16.1GB. [2022-11-08 07:42:22,339 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 98.6MB. Free memory was 53.0MB in the beginning and 52.9MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-08 07:42:22,340 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.18ms. Allocated memory is still 138.4MB. Free memory was 104.2MB in the beginning and 111.9MB in the end (delta: -7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-08 07:42:22,340 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.54ms. Allocated memory is still 138.4MB. Free memory was 111.9MB in the beginning and 109.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-08 07:42:22,340 INFO L158 Benchmark]: Boogie Preprocessor took 29.34ms. Allocated memory is still 138.4MB. Free memory was 109.8MB in the beginning and 108.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-08 07:42:22,341 INFO L158 Benchmark]: RCFGBuilder took 965.65ms. Allocated memory is still 138.4MB. Free memory was 108.3MB in the beginning and 69.5MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-11-08 07:42:22,341 INFO L158 Benchmark]: TraceAbstraction took 22412.81ms. Allocated memory was 138.4MB in the beginning and 352.3MB in the end (delta: 213.9MB). Free memory was 113.5MB in the beginning and 181.7MB in the end (delta: -68.2MB). Peak memory consumption was 145.0MB. Max. memory is 16.1GB. [2022-11-08 07:42:22,345 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 98.6MB. Free memory was 53.0MB in the beginning and 52.9MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.18ms. Allocated memory is still 138.4MB. Free memory was 104.2MB in the beginning and 111.9MB in the end (delta: -7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.54ms. Allocated memory is still 138.4MB. Free memory was 111.9MB in the beginning and 109.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.34ms. Allocated memory is still 138.4MB. Free memory was 109.8MB in the beginning and 108.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 965.65ms. Allocated memory is still 138.4MB. Free memory was 108.3MB in the beginning and 69.5MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 22412.81ms. Allocated memory was 138.4MB in the beginning and 352.3MB in the end (delta: 213.9MB). Free memory was 113.5MB in the beginning and 181.7MB in the end (delta: -68.2MB). Peak memory consumption was 145.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 18761, positive: 10840, positive conditional: 9726, positive unconditional: 1114, negative: 7921, negative conditional: 7910, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10874, positive: 10840, positive conditional: 9726, positive unconditional: 1114, negative: 34, negative conditional: 23, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10874, positive: 10840, positive conditional: 9726, positive unconditional: 1114, negative: 34, negative conditional: 23, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11074, positive: 10840, positive conditional: 88, positive unconditional: 10752, negative: 234, negative conditional: 112, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11074, positive: 10840, positive conditional: 88, positive unconditional: 10752, negative: 234, negative conditional: 112, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11074, positive: 10840, positive conditional: 88, positive unconditional: 10752, negative: 234, negative conditional: 112, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1004, positive: 967, positive conditional: 9, positive unconditional: 958, negative: 37, negative conditional: 22, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1004, positive: 928, positive conditional: 0, positive unconditional: 928, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 76, positive: 39, positive conditional: 9, positive unconditional: 30, negative: 37, negative conditional: 22, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 782, positive: 361, positive conditional: 100, positive unconditional: 261, negative: 422, negative conditional: 216, negative unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 11074, positive: 9873, positive conditional: 79, positive unconditional: 9794, negative: 197, negative conditional: 90, negative unconditional: 107, unknown: 1004, unknown conditional: 31, unknown unconditional: 973] , Statistics on independence cache: Total cache size (in pairs): 1004, Positive cache size: 967, Positive conditional cache size: 9, Positive unconditional cache size: 958, Negative cache size: 37, Negative conditional cache size: 22, Negative unconditional cache size: 15, Eliminated conditions: 0, Maximal queried relation: 6, Independence queries for same thread: 7887 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.5s, Number of persistent set computation: 228, Number of trivial persistent sets: 204, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1125, positive: 1114, positive conditional: 0, positive unconditional: 1114, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 18761, positive: 10840, positive conditional: 9726, positive unconditional: 1114, negative: 7921, negative conditional: 7910, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10874, positive: 10840, positive conditional: 9726, positive unconditional: 1114, negative: 34, negative conditional: 23, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10874, positive: 10840, positive conditional: 9726, positive unconditional: 1114, negative: 34, negative conditional: 23, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11074, positive: 10840, positive conditional: 88, positive unconditional: 10752, negative: 234, negative conditional: 112, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11074, positive: 10840, positive conditional: 88, positive unconditional: 10752, negative: 234, negative conditional: 112, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11074, positive: 10840, positive conditional: 88, positive unconditional: 10752, negative: 234, negative conditional: 112, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1004, positive: 967, positive conditional: 9, positive unconditional: 958, negative: 37, negative conditional: 22, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1004, positive: 928, positive conditional: 0, positive unconditional: 928, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 76, positive: 39, positive conditional: 9, positive unconditional: 30, negative: 37, negative conditional: 22, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 782, positive: 361, positive conditional: 100, positive unconditional: 261, negative: 422, negative conditional: 216, negative unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 11074, positive: 9873, positive conditional: 79, positive unconditional: 9794, negative: 197, negative conditional: 90, negative unconditional: 107, unknown: 1004, unknown conditional: 31, unknown unconditional: 973] , Statistics on independence cache: Total cache size (in pairs): 1004, Positive cache size: 967, Positive conditional cache size: 9, Positive unconditional cache size: 958, Negative cache size: 37, Negative conditional cache size: 22, Negative unconditional cache size: 15, Eliminated conditions: 0, Maximal queried relation: 6, Independence queries for same thread: 7887 - ExceptionOrErrorResult: SMTLIBException: line 5647 column 452: unknown constant v_~size~0_182 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 5647 column 452: unknown constant v_~size~0_182: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1458) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-08 07:42:22,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Forceful destruction successful, exit code 1 [2022-11-08 07:42:22,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-11-08 07:42:22,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a99ea29-151c-4dc6-a9c1-ea45accca137/bin/ugemcutter-QpsTfqS70U/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: line 5647 column 452: unknown constant v_~size~0_182