./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-lit/sssc12_variant.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-lit/sssc12_variant.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7be74b3f1207f4387a275e1f4e0e57734d5f1b215282bd8d49efde8c6948d207 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:59:59,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:59:59,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:59:59,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:59:59,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:59:59,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:59:59,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:59:59,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:59:59,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:59:59,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:59:59,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:59:59,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:59:59,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:59:59,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:59:59,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:59:59,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:59:59,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:59:59,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:59:59,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:59:59,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:59:59,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:59:59,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:59:59,758 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:59:59,759 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:59:59,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:59:59,770 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:59:59,771 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:59:59,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:59:59,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:59:59,776 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:59:59,777 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:59:59,778 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:59:59,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:59:59,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:59:59,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:59:59,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:59:59,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:59:59,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:59:59,787 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:59:59,788 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:59:59,789 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:59:59,790 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-13 18:59:59,838 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:59:59,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:59:59,839 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:59:59,840 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:59:59,842 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:59:59,842 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:59:59,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:59:59,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:59:59,844 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:59:59,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:59:59,845 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:59:59,846 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:59:59,846 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:59:59,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:59:59,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:59:59,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:59:59,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:59:59,847 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:59:59,848 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:59:59,848 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:59:59,848 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:59:59,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:59:59,849 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:59:59,849 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-13 18:59:59,849 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:59:59,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:59:59,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:59:59,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:59:59,850 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:59:59,852 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:59:59,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:59:59,853 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:59:59,853 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-13 18:59:59,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:59:59,854 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-13 18:59:59,854 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-13 18:59:59,854 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_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7be74b3f1207f4387a275e1f4e0e57734d5f1b215282bd8d49efde8c6948d207 [2021-11-13 19:00:00,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 19:00:00,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 19:00:00,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 19:00:00,252 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 19:00:00,253 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 19:00:00,254 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/../../sv-benchmarks/c/pthread-lit/sssc12_variant.i [2021-11-13 19:00:00,341 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/data/66de89c3a/32149fd1d48841beb708d99b764331b2/FLAG82780040e [2021-11-13 19:00:01,087 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 19:00:01,088 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/sv-benchmarks/c/pthread-lit/sssc12_variant.i [2021-11-13 19:00:01,118 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/data/66de89c3a/32149fd1d48841beb708d99b764331b2/FLAG82780040e [2021-11-13 19:00:01,259 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/data/66de89c3a/32149fd1d48841beb708d99b764331b2 [2021-11-13 19:00:01,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 19:00:01,263 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 19:00:01,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 19:00:01,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 19:00:01,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 19:00:01,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 07:00:01" (1/1) ... [2021-11-13 19:00:01,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75fa56dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:01, skipping insertion in model container [2021-11-13 19:00:01,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 07:00:01" (1/1) ... [2021-11-13 19:00:01,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 19:00:01,337 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 19:00:01,898 WARN L228 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_526e4980-6891-4cd7-9735-188bb8b8a62c/sv-benchmarks/c/pthread-lit/sssc12_variant.i[46865,46878] [2021-11-13 19:00:01,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 19:00:01,930 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 19:00:01,990 WARN L228 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_526e4980-6891-4cd7-9735-188bb8b8a62c/sv-benchmarks/c/pthread-lit/sssc12_variant.i[46865,46878] [2021-11-13 19:00:01,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 19:00:02,104 INFO L208 MainTranslator]: Completed translation [2021-11-13 19:00:02,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:02 WrapperNode [2021-11-13 19:00:02,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 19:00:02,107 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 19:00:02,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 19:00:02,108 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 19:00:02,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:02" (1/1) ... [2021-11-13 19:00:02,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:02" (1/1) ... [2021-11-13 19:00:02,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 19:00:02,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 19:00:02,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 19:00:02,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 19:00:02,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:02" (1/1) ... [2021-11-13 19:00:02,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:02" (1/1) ... [2021-11-13 19:00:02,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:02" (1/1) ... [2021-11-13 19:00:02,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:02" (1/1) ... [2021-11-13 19:00:02,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:02" (1/1) ... [2021-11-13 19:00:02,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:02" (1/1) ... [2021-11-13 19:00:02,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:02" (1/1) ... [2021-11-13 19:00:02,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 19:00:02,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 19:00:02,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 19:00:02,236 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 19:00:02,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:02" (1/1) ... [2021-11-13 19:00:02,252 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 19:00:02,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:00:02,283 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 19:00:02,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 19:00:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-13 19:00:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2021-11-13 19:00:02,329 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2021-11-13 19:00:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 19:00:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 19:00:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-13 19:00:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 19:00:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 19:00:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 19:00:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 19:00:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 19:00:02,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 19:00:02,333 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 19:00:02,835 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 19:00:02,835 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 19:00:02,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 07:00:02 BoogieIcfgContainer [2021-11-13 19:00:02,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 19:00:02,842 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 19:00:02,843 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 19:00:02,847 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 19:00:02,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 07:00:01" (1/3) ... [2021-11-13 19:00:02,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be5b0e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 07:00:02, skipping insertion in model container [2021-11-13 19:00:02,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:02" (2/3) ... [2021-11-13 19:00:02,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be5b0e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 07:00:02, skipping insertion in model container [2021-11-13 19:00:02,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 07:00:02" (3/3) ... [2021-11-13 19:00:02,851 INFO L111 eAbstractionObserver]: Analyzing ICFG sssc12_variant.i [2021-11-13 19:00:02,858 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-13 19:00:02,858 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 19:00:02,859 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 19:00:02,859 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-13 19:00:02,915 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,916 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,916 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,916 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,916 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,916 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,916 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,917 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,917 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,917 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,917 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,918 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,918 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,918 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,918 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,919 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,919 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,920 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,920 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,920 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,921 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,921 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,921 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,921 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,922 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,922 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,922 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,922 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,923 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,923 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,923 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,923 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,924 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,924 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,924 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,924 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,924 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,924 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,925 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,925 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,925 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,925 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,926 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,943 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,943 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,943 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,944 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,944 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,944 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,944 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,945 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,945 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,945 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,945 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,945 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,946 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,946 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,946 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,946 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,946 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,947 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,947 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,947 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,947 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,948 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,948 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,948 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,948 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,948 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,949 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,952 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,953 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,953 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,953 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,953 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,953 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,954 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,954 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,954 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,954 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,955 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:02,956 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-13 19:00:03,014 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-13 19:00:03,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:00:03,017 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-13 19:00:03,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-13 19:00:03,060 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-13 19:00:03,068 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 19:00:03,068 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 19:00:03,198 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-13 19:00:03,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:03,204 INFO L85 PathProgramCache]: Analyzing trace with hash -147767055, now seen corresponding path program 1 times [2021-11-13 19:00:03,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:03,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544768530] [2021-11-13 19:00:03,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:03,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:03,566 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 19:00:03,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:03,568 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544768530] [2021-11-13 19:00:03,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544768530] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:00:03,569 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:00:03,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 19:00:03,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642105651] [2021-11-13 19:00:03,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:00:03,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 19:00:03,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:03,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 19:00:03,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 19:00:03,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:03,616 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:03,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:00:03,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:03,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:03,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 19:00:03,641 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-13 19:00:03,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:03,647 INFO L85 PathProgramCache]: Analyzing trace with hash 178627719, now seen corresponding path program 1 times [2021-11-13 19:00:03,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:03,648 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120534855] [2021-11-13 19:00:03,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:03,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 19:00:03,733 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 19:00:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 19:00:03,802 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 19:00:03,803 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-13 19:00:03,805 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 1 remaining) [2021-11-13 19:00:03,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 19:00:03,824 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-13 19:00:03,827 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/2) [2021-11-13 19:00:03,828 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-13 19:00:03,828 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-11-13 19:00:03,856 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,857 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,857 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,857 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,857 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,858 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,858 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,858 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,858 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,859 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,859 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,859 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,860 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,860 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,861 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,861 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,861 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,862 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,862 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,862 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,867 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,867 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,868 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,868 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,868 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,868 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,868 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,869 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,869 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,869 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,869 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,869 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,870 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,870 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,870 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,870 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,870 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,871 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,871 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,871 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,871 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,871 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,872 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,872 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,872 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,872 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,873 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,873 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,873 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,873 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,874 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,874 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,874 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,874 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,874 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,874 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,875 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,875 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,875 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,875 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,875 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,876 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,876 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,876 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,876 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,877 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,877 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,877 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,877 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,878 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,878 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,878 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,879 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,879 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,879 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,879 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,879 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,879 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,880 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,880 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,884 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,885 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,885 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,885 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,885 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,887 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,887 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,887 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,887 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,892 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,892 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,892 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,893 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,893 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,893 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,893 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,893 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,894 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,894 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,894 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,894 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,894 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,896 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,896 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,896 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,896 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,896 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,897 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,897 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,897 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,897 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,898 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,898 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,898 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,898 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,898 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,898 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,899 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,899 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,899 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,899 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,899 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,900 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,900 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,900 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,900 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,900 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,901 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,901 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,901 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,901 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,901 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,902 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,902 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,902 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,902 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,903 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,903 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,905 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,905 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,905 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,905 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,906 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,906 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,906 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,907 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,907 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,908 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,908 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,908 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,908 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,908 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,909 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,909 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,909 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,909 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:03,911 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-13 19:00:03,926 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-13 19:00:03,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:00:03,931 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-13 19:00:03,969 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thrThread2of2ForFork0 ======== [2021-11-13 19:00:03,970 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 19:00:03,970 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 19:00:03,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2021-11-13 19:00:04,322 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:04,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:04,323 INFO L85 PathProgramCache]: Analyzing trace with hash -495900000, now seen corresponding path program 1 times [2021-11-13 19:00:04,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:04,324 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835562247] [2021-11-13 19:00:04,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:04,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:04,455 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 19:00:04,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:04,456 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835562247] [2021-11-13 19:00:04,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835562247] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:00:04,456 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:00:04,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 19:00:04,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899193989] [2021-11-13 19:00:04,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:00:04,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 19:00:04,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:04,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 19:00:04,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 19:00:04,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:04,460 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:04,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 43.0) internal successors, (86), 2 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:00:04,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:04,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:04,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 19:00:04,514 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:04,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:04,515 INFO L85 PathProgramCache]: Analyzing trace with hash 712477608, now seen corresponding path program 1 times [2021-11-13 19:00:04,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:04,515 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515145581] [2021-11-13 19:00:04,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:04,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:04,671 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 19:00:04,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:04,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515145581] [2021-11-13 19:00:04,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515145581] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:00:04,672 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:00:04,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 19:00:04,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413425640] [2021-11-13 19:00:04,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:00:04,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 19:00:04,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:04,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 19:00:04,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 19:00:04,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:04,680 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:04,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:00:04,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:04,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:04,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:04,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:04,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 19:00:04,975 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:04,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:04,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1020135921, now seen corresponding path program 1 times [2021-11-13 19:00:04,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:04,976 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651115971] [2021-11-13 19:00:04,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:04,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:05,137 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-13 19:00:05,137 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:05,138 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651115971] [2021-11-13 19:00:05,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651115971] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:00:05,138 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:00:05,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 19:00:05,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82749572] [2021-11-13 19:00:05,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:00:05,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 19:00:05,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:05,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 19:00:05,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 19:00:05,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:05,141 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:05,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:00:05,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:05,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:05,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:05,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:05,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:05,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:00:05,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 19:00:05,390 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:05,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:05,391 INFO L85 PathProgramCache]: Analyzing trace with hash -469146024, now seen corresponding path program 1 times [2021-11-13 19:00:05,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:05,395 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883696034] [2021-11-13 19:00:05,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:05,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:05,542 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-13 19:00:05,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:05,542 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883696034] [2021-11-13 19:00:05,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883696034] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:00:05,543 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:00:05,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 19:00:05,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559962218] [2021-11-13 19:00:05,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:00:05,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 19:00:05,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:05,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 19:00:05,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 19:00:05,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:05,550 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:05,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:00:05,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:05,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:05,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:00:05,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:05,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:05,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:05,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:00:05,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-13 19:00:05,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-13 19:00:05,704 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:05,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:05,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1873658618, now seen corresponding path program 1 times [2021-11-13 19:00:05,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:05,705 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368326890] [2021-11-13 19:00:05,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:05,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:05,885 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-13 19:00:05,886 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:05,886 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368326890] [2021-11-13 19:00:05,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368326890] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:00:05,886 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53202454] [2021-11-13 19:00:05,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:05,887 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:00:05,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:00:05,895 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:00:05,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-13 19:00:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:06,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 19:00:06,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:00:06,514 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-13 19:00:06,515 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:00:06,820 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-13 19:00:06,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [53202454] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:00:06,821 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:00:06,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2021-11-13 19:00:06,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787814641] [2021-11-13 19:00:06,822 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:00:06,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-13 19:00:06,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:06,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-13 19:00:06,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-11-13 19:00:06,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:06,826 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:06,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.727272727272727) internal successors, (173), 11 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:00:06,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:06,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:06,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:00:06,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-13 19:00:06,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:07,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:07,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:07,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:00:07,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-13 19:00:07,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:07,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-13 19:00:07,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:00:07,240 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:07,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:07,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1716499179, now seen corresponding path program 2 times [2021-11-13 19:00:07,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:07,240 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353101298] [2021-11-13 19:00:07,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:07,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:07,464 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 11 proven. 76 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-13 19:00:07,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:07,464 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353101298] [2021-11-13 19:00:07,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353101298] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:00:07,465 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980166784] [2021-11-13 19:00:07,465 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 19:00:07,465 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:00:07,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:00:07,466 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:00:07,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-13 19:00:07,598 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-13 19:00:07,598 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 19:00:07,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 19:00:07,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:00:08,048 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 11 proven. 76 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-13 19:00:08,048 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:00:08,563 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 11 proven. 76 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-13 19:00:08,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980166784] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:00:08,563 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:00:08,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 17 [2021-11-13 19:00:08,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603987696] [2021-11-13 19:00:08,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:00:08,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-13 19:00:08,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:08,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-13 19:00:08,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2021-11-13 19:00:08,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:08,568 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:08,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 14.411764705882353) internal successors, (245), 17 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:00:08,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:08,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:08,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:00:08,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-13 19:00:08,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:08,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:08,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:08,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:08,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:00:08,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-13 19:00:08,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:08,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:00:08,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-13 19:00:09,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:00:09,084 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:09,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:09,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1446186187, now seen corresponding path program 3 times [2021-11-13 19:00:09,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:09,085 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348023142] [2021-11-13 19:00:09,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:09,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:09,333 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2021-11-13 19:00:09,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:09,334 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348023142] [2021-11-13 19:00:09,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348023142] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:00:09,336 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1223979910] [2021-11-13 19:00:09,336 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 19:00:09,337 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:00:09,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:00:09,343 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:00:09,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-13 19:00:09,447 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-13 19:00:09,447 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 19:00:09,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-13 19:00:09,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:00:09,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 19:00:09,577 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-13 19:00:09,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-13 19:00:10,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-13 19:00:10,139 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-13 19:00:10,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-13 19:00:10,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2021-11-13 19:00:10,195 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2021-11-13 19:00:10,195 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:00:15,101 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 0 proven. 6 refuted. 10 times theorem prover too weak. 558 trivial. 0 not checked. [2021-11-13 19:00:15,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1223979910] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:00:15,102 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:00:15,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 14 [2021-11-13 19:00:15,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655822118] [2021-11-13 19:00:15,103 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:00:15,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 19:00:15,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:15,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 19:00:15,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=144, Unknown=6, NotChecked=0, Total=182 [2021-11-13 19:00:15,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:15,106 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:15,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 9.785714285714286) internal successors, (137), 14 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:00:15,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:15,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:15,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:00:15,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-13 19:00:15,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:15,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:00:15,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:15,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:15,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:15,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:00:15,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 19:00:15,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:15,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:00:15,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:00:16,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-13 19:00:16,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:00:16,199 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:16,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:16,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1251994603, now seen corresponding path program 1 times [2021-11-13 19:00:16,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:16,200 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875729001] [2021-11-13 19:00:16,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:16,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:16,538 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 457 proven. 120 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 19:00:16,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:16,539 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875729001] [2021-11-13 19:00:16,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875729001] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:00:16,539 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732043146] [2021-11-13 19:00:16,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:16,540 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:00:16,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:00:16,541 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:00:16,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-13 19:00:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:16,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-13 19:00:16,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:00:17,331 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 577 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 19:00:17,331 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 19:00:17,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1732043146] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:00:17,332 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 19:00:17,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [15] total 17 [2021-11-13 19:00:17,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470059624] [2021-11-13 19:00:17,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:00:17,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 19:00:17,333 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:17,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 19:00:17,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2021-11-13 19:00:17,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:17,335 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:17,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 15.642857142857142) internal successors, (219), 14 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:00:17,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:17,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:17,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:00:17,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-13 19:00:17,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:17,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:00:17,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:00:17,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:18,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:18,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 19:00:18,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:00:18,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 19:00:18,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:18,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:00:18,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:00:18,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:00:18,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-13 19:00:18,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-13 19:00:18,467 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:18,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:18,468 INFO L85 PathProgramCache]: Analyzing trace with hash -53177608, now seen corresponding path program 2 times [2021-11-13 19:00:18,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:18,468 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836946821] [2021-11-13 19:00:18,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:18,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,226 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 470 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 19:00:19,226 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:19,226 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836946821] [2021-11-13 19:00:19,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836946821] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:00:19,226 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621803871] [2021-11-13 19:00:19,226 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 19:00:19,226 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:00:19,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:00:19,228 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:00:19,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-13 19:00:19,393 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-13 19:00:19,393 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 19:00:19,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 19:00:19,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:00:19,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 19:00:19,494 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-13 19:00:19,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-13 19:00:20,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-13 19:00:20,811 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-13 19:00:20,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-13 19:00:20,855 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-13 19:00:20,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 31 [2021-11-13 19:00:20,921 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-13 19:00:20,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 15 [2021-11-13 19:00:20,987 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 14 proven. 456 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 19:00:20,987 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:00:22,075 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:00:22,146 INFO L354 Elim1Store]: treesize reduction 23, result has 60.3 percent of original size [2021-11-13 19:00:22,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 53 [2021-11-13 19:00:22,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 41 [2021-11-13 19:00:22,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 35 [2021-11-13 19:00:23,569 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 1 proven. 459 refuted. 0 times theorem prover too weak. 4 trivial. 10 not checked. [2021-11-13 19:00:23,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621803871] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:00:23,570 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:00:23,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25, 25] total 42 [2021-11-13 19:00:23,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475754327] [2021-11-13 19:00:23,573 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:00:23,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2021-11-13 19:00:23,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:23,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-11-13 19:00:23,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=1428, Unknown=1, NotChecked=78, Total=1722 [2021-11-13 19:00:23,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:23,578 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:23,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 8.071428571428571) internal successors, (339), 42 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:00:23,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:23,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-13 19:00:23,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:00:23,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-13 19:00:23,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:23,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:00:23,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:00:23,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:00:23,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:28,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:28,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 19:00:28,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:00:28,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 19:00:28,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:28,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:00:28,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:00:28,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:00:28,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-13 19:00:28,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-13 19:00:28,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-13 19:00:28,547 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:28,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:28,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1799012850, now seen corresponding path program 1 times [2021-11-13 19:00:28,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:28,548 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44326582] [2021-11-13 19:00:28,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:28,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:28,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:28,647 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2021-11-13 19:00:28,647 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:28,648 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44326582] [2021-11-13 19:00:28,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44326582] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:00:28,648 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:00:28,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 19:00:28,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626871140] [2021-11-13 19:00:28,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:00:28,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 19:00:28,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:28,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 19:00:28,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 19:00:28,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:28,651 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:28,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:00:28,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:28,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-13 19:00:28,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:00:28,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-13 19:00:28,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:28,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:00:28,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:00:28,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:00:28,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-13 19:00:28,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:37,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:37,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 19:00:37,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:00:37,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:00:37,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 19:00:37,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:00:37,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:00:37,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:00:37,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-11-13 19:00:37,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:37,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-13 19:00:37,683 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:37,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:37,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1484128775, now seen corresponding path program 3 times [2021-11-13 19:00:37,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:37,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902471973] [2021-11-13 19:00:37,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:37,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:38,476 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 19:00:38,477 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:38,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902471973] [2021-11-13 19:00:38,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902471973] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:00:38,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932622234] [2021-11-13 19:00:38,477 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 19:00:38,477 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:00:38,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:00:38,478 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:00:38,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-13 19:00:38,554 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-13 19:00:38,554 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 19:00:38,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 19:00:38,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:00:38,870 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-13 19:00:38,870 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 19:00:38,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [932622234] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:00:38,870 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 19:00:38,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [21] total 22 [2021-11-13 19:00:38,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75902201] [2021-11-13 19:00:38,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:00:38,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 19:00:38,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:38,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 19:00:38,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2021-11-13 19:00:38,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:38,872 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:38,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:00:38,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:38,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-13 19:00:38,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:00:38,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:00:38,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-13 19:00:38,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:00:38,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:00:38,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:00:38,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-11-13 19:00:38,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:38,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:41,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:41,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 19:00:41,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:00:41,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:00:41,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:00:41,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-13 19:00:41,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:00:41,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:00:41,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-11-13 19:00:41,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:41,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:41,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-11-13 19:00:41,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:00:41,892 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:41,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:41,893 INFO L85 PathProgramCache]: Analyzing trace with hash 280663076, now seen corresponding path program 1 times [2021-11-13 19:00:41,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:41,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020564254] [2021-11-13 19:00:41,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:41,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:42,007 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-11-13 19:00:42,007 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:42,007 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020564254] [2021-11-13 19:00:42,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020564254] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:00:42,008 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:00:42,008 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 19:00:42,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535522850] [2021-11-13 19:00:42,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:00:42,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 19:00:42,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:42,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 19:00:42,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 19:00:42,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:42,012 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:42,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:00:42,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:42,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-13 19:00:42,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:00:42,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:00:42,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:00:42,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-13 19:00:42,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:00:42,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:00:42,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-11-13 19:00:42,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:42,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:42,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:43,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:43,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 19:00:43,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:00:43,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:00:43,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:00:43,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-13 19:00:43,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:00:43,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:00:43,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-11-13 19:00:43,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:43,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:43,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:43,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-13 19:00:43,745 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:43,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:43,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1374711598, now seen corresponding path program 1 times [2021-11-13 19:00:43,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:43,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850799164] [2021-11-13 19:00:43,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:43,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:44,100 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 19:00:44,100 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:44,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850799164] [2021-11-13 19:00:44,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850799164] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:00:44,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731115545] [2021-11-13 19:00:44,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:44,101 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:00:44,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:00:44,103 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:00:44,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-13 19:00:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:44,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 19:00:44,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:00:44,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 19:00:44,314 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-13 19:00:44,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-13 19:00:44,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-13 19:00:44,837 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-13 19:00:44,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-13 19:00:45,006 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-13 19:00:45,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 31 [2021-11-13 19:00:45,071 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-13 19:00:45,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 15 [2021-11-13 19:00:45,132 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 10 proven. 30 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 19:00:45,133 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:00:45,896 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_81| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_81| c_~next~0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_81| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-13 19:00:46,675 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_81| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_81| c_~next~0) (= 1 (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_81| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)))))) is different from false [2021-11-13 19:00:46,810 INFO L354 Elim1Store]: treesize reduction 23, result has 60.3 percent of original size [2021-11-13 19:00:46,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 56 [2021-11-13 19:00:46,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2021-11-13 19:00:46,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2021-11-13 19:00:47,354 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 5 trivial. 10 not checked. [2021-11-13 19:00:47,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731115545] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:00:47,354 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:00:47,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 35 [2021-11-13 19:00:47,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620658809] [2021-11-13 19:00:47,354 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:00:47,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-11-13 19:00:47,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:47,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-11-13 19:00:47,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=919, Unknown=2, NotChecked=126, Total=1190 [2021-11-13 19:00:47,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:47,356 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:47,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 6.771428571428571) internal successors, (237), 35 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:00:47,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:47,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-13 19:00:47,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:00:47,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:00:47,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:00:47,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-11-13 19:00:47,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:00:47,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:00:47,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-11-13 19:00:47,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:47,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:47,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:47,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:48,296 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_81| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_81| c_~next~0) (= 1 (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_81| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)))))) (= (select |c_#valid| |c_ULTIMATE.start_main_~#t~0#1.base|) 1) (<= 10 c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 10 |c_thrThread2of2ForFork0_~end~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 8) c_~next~0)) is different from false [2021-11-13 19:00:48,897 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_81| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_81| c_~next~0) (= 1 (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_81| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)))))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 8) c_~next~0)) is different from false [2021-11-13 19:00:49,676 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_81| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_81| c_~next~0) (= 1 (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_81| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)))))) (<= (+ 9 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 8) c_~next~0)) is different from false [2021-11-13 19:00:50,386 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_81| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_81| c_~next~0) (= 1 (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_81| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)))))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 8) c_~next~0)) is different from false [2021-11-13 19:00:51,180 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_81| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_81| c_~next~0) (= 1 (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_81| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)))))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0)) is different from false [2021-11-13 19:00:51,883 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_81| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_81| c_~next~0) (= 1 (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_81| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))))))) is different from false [2021-11-13 19:00:52,628 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (< |c_thrThread2of2ForFork0_~c~0#1| c_~next~0) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_81| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_81| c_~next~0) (= 1 (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_81| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)))))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|)) is different from false [2021-11-13 19:00:52,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:52,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 19:00:52,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:00:52,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:00:52,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:00:52,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-13 19:00:52,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:00:52,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:00:52,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-11-13 19:00:52,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:52,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:52,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:52,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-13 19:00:52,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-13 19:00:53,104 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-13 19:00:53,104 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:53,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:53,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1105394615, now seen corresponding path program 2 times [2021-11-13 19:00:53,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:53,105 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613187158] [2021-11-13 19:00:53,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:53,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:53,567 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 175 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 19:00:53,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:53,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613187158] [2021-11-13 19:00:53,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613187158] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:00:53,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786393432] [2021-11-13 19:00:53,568 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 19:00:53,568 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:00:53,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:00:53,569 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:00:53,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-13 19:00:53,681 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-13 19:00:53,681 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 19:00:53,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-13 19:00:53,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:00:53,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 19:00:53,780 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-13 19:00:53,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-13 19:00:54,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-13 19:00:54,554 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-13 19:00:54,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-13 19:00:54,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-13 19:00:54,668 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-13 19:00:54,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 43 [2021-11-13 19:00:54,748 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-13 19:00:54,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 15 [2021-11-13 19:00:54,800 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 10 proven. 165 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 19:00:54,800 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:00:55,451 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_85| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_85| c_~next~0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_85| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-13 19:00:56,392 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_85| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_85| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_85| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-13 19:00:56,533 INFO L354 Elim1Store]: treesize reduction 23, result has 60.3 percent of original size [2021-11-13 19:00:56,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 56 [2021-11-13 19:00:56,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2021-11-13 19:00:56,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2021-11-13 19:00:57,386 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 5 trivial. 10 not checked. [2021-11-13 19:00:57,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [786393432] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:00:57,387 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:00:57,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 20] total 39 [2021-11-13 19:00:57,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862926874] [2021-11-13 19:00:57,389 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:00:57,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2021-11-13 19:00:57,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:57,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-11-13 19:00:57,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=1140, Unknown=2, NotChecked=142, Total=1482 [2021-11-13 19:00:57,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:57,395 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:57,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 7.564102564102564) internal successors, (295), 39 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:00:57,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:57,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-13 19:00:57,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:00:57,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:00:57,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:00:57,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-11-13 19:00:57,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:00:57,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:00:57,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-11-13 19:00:57,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:57,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:57,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:57,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-13 19:00:57,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:58,512 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (= (select |c_#valid| |c_ULTIMATE.start_main_~#t~0#1.base|) 1) (<= 10 c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 10 |c_thrThread2of2ForFork0_~end~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= (+ 5 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_85| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_85| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_85| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-13 19:00:59,126 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= (+ 5 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_85| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_85| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_85| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-13 19:00:59,907 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ 9 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 5 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_85| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_85| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_85| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-13 19:01:00,626 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 5 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 8) c_~next~0) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_85| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_85| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_85| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-13 19:01:01,407 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 5 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_85| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_85| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_85| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (<= (+ 7 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-13 19:01:02,122 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (<= (+ 6 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 5 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_85| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_85| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_85| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-13 19:01:02,851 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 5 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_85| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_85| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_85| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-13 19:01:03,578 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (< (+ 3 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_85| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_85| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_85| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-13 19:01:04,277 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_85| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_85| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_85| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-13 19:01:05,008 WARN L838 $PredicateComparison]: unable to prove that (and (< (+ 2 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_85| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_85| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_85| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-13 19:01:05,774 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_85| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_85| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_85| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-13 19:01:06,570 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (< |c_thrThread2of2ForFork0_~c~0#1| c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thrThread1of2ForFork0_~c~0#1_85| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_85| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_85| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-13 19:01:06,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:01:06,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 19:01:06,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:01:06,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:01:06,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:01:06,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-13 19:01:06,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:01:06,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:01:06,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-11-13 19:01:06,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:01:06,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:01:06,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:01:06,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-13 19:01:06,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-11-13 19:01:06,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-13 19:01:06,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-13 19:01:06,973 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:01:06,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:01:06,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1381090954, now seen corresponding path program 3 times [2021-11-13 19:01:06,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:01:06,974 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134845672] [2021-11-13 19:01:06,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:01:06,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:01:06,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:07,196 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 531 proven. 109 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 19:01:07,196 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:01:07,196 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134845672] [2021-11-13 19:01:07,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134845672] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:01:07,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606572622] [2021-11-13 19:01:07,197 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 19:01:07,197 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:01:07,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:01:07,198 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:01:07,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-13 19:01:07,305 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-13 19:01:07,305 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 19:01:07,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 19:01:07,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:01:07,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 19:01:07,403 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-13 19:01:07,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-13 19:01:08,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-13 19:01:08,434 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-13 19:01:08,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-13 19:01:08,542 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-13 19:01:08,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 29 [2021-11-13 19:01:08,601 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-13 19:01:08,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 13 [2021-11-13 19:01:08,682 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 10 proven. 80 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2021-11-13 19:01:08,683 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:01:09,448 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_89| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_89| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_89| c_~next~0))) is different from false [2021-11-13 19:01:10,850 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_89| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_89| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_89| c_~next~0))) is different from false [2021-11-13 19:01:10,951 INFO L354 Elim1Store]: treesize reduction 23, result has 60.3 percent of original size [2021-11-13 19:01:10,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 56 [2021-11-13 19:01:10,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2021-11-13 19:01:10,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2021-11-13 19:01:11,963 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 555 trivial. 10 not checked. [2021-11-13 19:01:11,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606572622] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:01:11,964 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:01:11,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 32 [2021-11-13 19:01:11,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858205196] [2021-11-13 19:01:11,965 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:01:11,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-11-13 19:01:11,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:01:11,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-11-13 19:01:11,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=757, Unknown=2, NotChecked=114, Total=992 [2021-11-13 19:01:11,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:01:11,968 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:01:11,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 10.125) internal successors, (324), 32 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:01:11,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:01:11,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-13 19:01:11,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:01:11,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:01:11,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:01:11,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-11-13 19:01:11,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:01:11,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:01:11,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-11-13 19:01:11,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:01:11,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:01:11,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:01:11,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-13 19:01:11,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-11-13 19:01:11,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:01:12,885 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (< |c_thrThread2of2ForFork0_~c~0#1| c_~next~0) (= (select |c_#valid| |c_ULTIMATE.start_main_~#t~0#1.base|) 1) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_89| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_89| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_89| c_~next~0))) (<= |c_thrThread2of2ForFork0_~end~0#1| 10) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-13 19:01:13,581 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (< |c_thrThread2of2ForFork0_~c~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_89| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_89| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_89| c_~next~0)))) is different from false [2021-11-13 19:01:14,438 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (< |c_thrThread2of2ForFork0_~c~0#1| c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_89| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_89| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_89| c_~next~0))) (<= |c_thrThread2of2ForFork0_~end~0#1| (+ 9 |c_thrThread2of2ForFork0_~c~0#1|)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-13 19:01:15,226 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (< |c_thrThread2of2ForFork0_~c~0#1| c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_89| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_89| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_89| c_~next~0))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= |c_thrThread2of2ForFork0_~end~0#1| (+ |c_thrThread2of2ForFork0_~c~0#1| 8)) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-13 19:01:16,033 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (< |c_thrThread2of2ForFork0_~c~0#1| c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_89| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_89| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_89| c_~next~0))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= |c_thrThread2of2ForFork0_~end~0#1| (+ 7 |c_thrThread2of2ForFork0_~c~0#1|)) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-13 19:01:16,842 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (< |c_thrThread2of2ForFork0_~c~0#1| c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (<= |c_thrThread2of2ForFork0_~end~0#1| (+ 6 |c_thrThread2of2ForFork0_~c~0#1|)) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_89| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_89| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_89| c_~next~0))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-13 19:01:17,642 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (< |c_thrThread2of2ForFork0_~c~0#1| c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_89| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_89| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_89| c_~next~0))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= |c_thrThread2of2ForFork0_~end~0#1| (+ 5 |c_thrThread2of2ForFork0_~c~0#1|)) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-13 19:01:18,466 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (< |c_thrThread2of2ForFork0_~c~0#1| c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= |c_thrThread2of2ForFork0_~end~0#1| (+ |c_thrThread2of2ForFork0_~c~0#1| 4)) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_89| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_89| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_89| c_~next~0))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-13 19:01:19,292 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (< |c_thrThread2of2ForFork0_~c~0#1| c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_89| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_89| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_89| c_~next~0))) (<= |c_thrThread2of2ForFork0_~end~0#1| (+ 3 |c_thrThread2of2ForFork0_~c~0#1|)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-13 19:01:20,160 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (< |c_thrThread2of2ForFork0_~c~0#1| c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_89| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_89| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_89| c_~next~0))) (<= |c_thrThread2of2ForFork0_~end~0#1| (+ 2 |c_thrThread2of2ForFork0_~c~0#1|)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-13 19:01:21,130 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (< |c_thrThread2of2ForFork0_~c~0#1| c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_89| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_89| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_89| c_~next~0))) (<= |c_thrThread2of2ForFork0_~end~0#1| (+ |c_thrThread2of2ForFork0_~c~0#1| 1)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-13 19:01:21,835 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|v_thrThread1of2ForFork0_~c~0#1_85| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_85| c_~next~0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_85| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-13 19:01:22,369 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (< |c_thrThread2of2ForFork0_~c~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_89| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_89| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_89| c_~next~0)))) is different from false [2021-11-13 19:01:22,940 WARN L838 $PredicateComparison]: unable to prove that (and (< |c_thrThread2of2ForFork0_~c~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_89| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_89| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_89| c_~next~0)))) is different from false [2021-11-13 19:01:23,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:01:23,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 19:01:23,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:01:23,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:01:23,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:01:23,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-13 19:01:23,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:01:23,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:01:23,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-11-13 19:01:23,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:01:23,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:01:23,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:01:23,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-13 19:01:23,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-11-13 19:01:23,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-13 19:01:23,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-13 19:01:23,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:01:23,328 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:01:23,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:01:23,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1566196662, now seen corresponding path program 4 times [2021-11-13 19:01:23,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:01:23,329 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880753962] [2021-11-13 19:01:23,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:01:23,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:01:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:24,051 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 19:01:24,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:01:24,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880753962] [2021-11-13 19:01:24,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880753962] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:01:24,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446541157] [2021-11-13 19:01:24,052 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-13 19:01:24,052 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:01:24,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:01:24,056 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:01:24,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-13 19:01:24,178 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-13 19:01:24,178 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 19:01:24,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 19:01:24,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:01:24,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 19:01:24,265 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-13 19:01:24,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-13 19:01:25,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-13 19:01:25,231 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-13 19:01:25,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-13 19:01:25,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 29 [2021-11-13 19:01:25,326 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-13 19:01:25,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 38 [2021-11-13 19:01:25,376 INFO L354 Elim1Store]: treesize reduction 53, result has 17.2 percent of original size [2021-11-13 19:01:25,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 29 [2021-11-13 19:01:25,596 INFO L354 Elim1Store]: treesize reduction 88, result has 20.7 percent of original size [2021-11-13 19:01:25,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 50 [2021-11-13 19:01:25,700 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-13 19:01:25,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 23 [2021-11-13 19:01:25,795 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 12 proven. 513 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 19:01:25,795 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:01:26,612 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_94| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |c_thrThread1of2ForFork0_~c~0#1| 1)) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-13 19:01:27,327 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_94| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |c_thrThread1of2ForFork0_~c~0#1| 1)) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-13 19:01:29,442 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_95| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_95| c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_94| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_95| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |v_thrThread1of2ForFork0_~c~0#1_95| 1)))))) is different from false [2021-11-13 19:01:31,533 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_94| Int) (|v_thrThread1of2ForFork0_~c~0#1_95| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_95| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |v_thrThread1of2ForFork0_~c~0#1_95| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_95| c_~next~0))) is different from false [2021-11-13 19:01:31,774 INFO L354 Elim1Store]: treesize reduction 23, result has 60.3 percent of original size [2021-11-13 19:01:31,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 68 [2021-11-13 19:01:31,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 56 [2021-11-13 19:01:31,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 105 [2021-11-13 19:01:33,037 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 0 proven. 513 refuted. 0 times theorem prover too weak. 5 trivial. 12 not checked. [2021-11-13 19:01:33,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446541157] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:01:33,037 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:01:33,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 27, 26] total 44 [2021-11-13 19:01:33,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961823003] [2021-11-13 19:01:33,038 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:01:33,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2021-11-13 19:01:33,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:01:33,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-11-13 19:01:33,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=1359, Unknown=4, NotChecked=316, Total=1892 [2021-11-13 19:01:33,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:01:33,041 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:01:33,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 7.75) internal successors, (341), 44 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:01:33,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:01:33,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-13 19:01:33,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:01:33,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:01:33,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:01:33,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-11-13 19:01:33,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:01:33,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:01:33,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-11-13 19:01:33,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:01:33,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:01:33,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:01:33,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-13 19:01:33,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-11-13 19:01:33,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-11-13 19:01:33,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:01:34,590 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (= (select |c_#valid| |c_ULTIMATE.start_main_~#t~0#1.base|) 1) (<= 10 c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (<= 10 |c_thrThread2of2ForFork0_~end~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_94| Int) (|v_thrThread1of2ForFork0_~c~0#1_95| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_95| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |v_thrThread1of2ForFork0_~c~0#1_95| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_95| c_~next~0)))) is different from false [2021-11-13 19:01:36,594 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_94| Int) (|v_thrThread1of2ForFork0_~c~0#1_95| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_95| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |v_thrThread1of2ForFork0_~c~0#1_95| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_95| c_~next~0)))) is different from false [2021-11-13 19:01:38,780 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ 9 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_94| Int) (|v_thrThread1of2ForFork0_~c~0#1_95| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_95| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |v_thrThread1of2ForFork0_~c~0#1_95| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_95| c_~next~0)))) is different from false [2021-11-13 19:01:40,874 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_94| Int) (|v_thrThread1of2ForFork0_~c~0#1_95| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_95| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |v_thrThread1of2ForFork0_~c~0#1_95| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_95| c_~next~0))) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 8) c_~next~0)) is different from false [2021-11-13 19:01:42,967 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_94| Int) (|v_thrThread1of2ForFork0_~c~0#1_95| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_95| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |v_thrThread1of2ForFork0_~c~0#1_95| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_95| c_~next~0))) (<= (+ 7 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-13 19:01:44,334 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (<= (+ 6 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_94| Int) (|v_thrThread1of2ForFork0_~c~0#1_95| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_95| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |v_thrThread1of2ForFork0_~c~0#1_95| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_95| c_~next~0)))) is different from false [2021-11-13 19:01:46,437 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_94| Int) (|v_thrThread1of2ForFork0_~c~0#1_95| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_95| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |v_thrThread1of2ForFork0_~c~0#1_95| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_95| c_~next~0))) (<= (+ 5 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-13 19:01:48,540 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 4) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_94| Int) (|v_thrThread1of2ForFork0_~c~0#1_95| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_95| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |v_thrThread1of2ForFork0_~c~0#1_95| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_95| c_~next~0)))) is different from false [2021-11-13 19:01:50,661 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ 3 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_94| Int) (|v_thrThread1of2ForFork0_~c~0#1_95| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_95| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |v_thrThread1of2ForFork0_~c~0#1_95| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_95| c_~next~0)))) is different from false [2021-11-13 19:01:51,785 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ 2 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_94| Int) (|v_thrThread1of2ForFork0_~c~0#1_95| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_95| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |v_thrThread1of2ForFork0_~c~0#1_95| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_95| c_~next~0)))) is different from false [2021-11-13 19:01:53,087 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_94| Int) (|v_thrThread1of2ForFork0_~c~0#1_95| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_95| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |v_thrThread1of2ForFork0_~c~0#1_95| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_95| c_~next~0)))) is different from false [2021-11-13 19:01:55,115 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_95| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_95| c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_94| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_95| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |v_thrThread1of2ForFork0_~c~0#1_95| 1))))))) is different from false [2021-11-13 19:01:57,120 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_95| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_95| c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_94| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_95| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |v_thrThread1of2ForFork0_~c~0#1_95| 1))))))) is different from false [2021-11-13 19:01:57,921 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_94| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |c_thrThread1of2ForFork0_~c~0#1| 1)) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |c_thrThread1of2ForFork0_~c~0#1|)) is different from false [2021-11-13 19:01:58,619 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (forall ((|v_thrThread1of2ForFork0_~c~0#1_94| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |c_thrThread1of2ForFork0_~c~0#1| 1)) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 0) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |c_thrThread1of2ForFork0_~c~0#1|))) is different from false [2021-11-13 19:01:59,264 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (forall ((|v_thrThread1of2ForFork0_~c~0#1_94| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_94| (+ |c_thrThread1of2ForFork0_~c~0#1| 1)) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_94| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |c_thrThread1of2ForFork0_~c~0#1|))) is different from false [2021-11-13 19:01:59,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:01:59,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 19:01:59,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:01:59,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:01:59,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:01:59,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-13 19:01:59,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:01:59,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:01:59,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-11-13 19:01:59,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:01:59,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:01:59,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:01:59,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-13 19:01:59,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-11-13 19:01:59,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-13 19:01:59,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-11-13 19:01:59,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-13 19:01:59,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-13 19:01:59,668 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:01:59,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:01:59,668 INFO L85 PathProgramCache]: Analyzing trace with hash -76019294, now seen corresponding path program 4 times [2021-11-13 19:01:59,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:01:59,669 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873517610] [2021-11-13 19:01:59,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:01:59,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:01:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:00,018 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 0 proven. 521 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 19:02:00,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:02:00,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873517610] [2021-11-13 19:02:00,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873517610] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:02:00,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393216] [2021-11-13 19:02:00,019 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-13 19:02:00,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:02:00,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:02:00,020 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:02:00,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-13 19:02:00,117 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-13 19:02:00,117 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 19:02:00,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-13 19:02:00,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:02:00,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-13 19:02:00,774 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-13 19:02:00,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 31 [2021-11-13 19:02:00,822 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-13 19:02:00,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 15 [2021-11-13 19:02:00,886 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 8 proven. 513 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 19:02:00,886 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:02:01,613 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_99| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_99| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_99| c_~next~0))) is different from false [2021-11-13 19:02:01,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2021-11-13 19:02:02,098 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 8 proven. 513 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 19:02:02,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393216] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:02:02,098 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:02:02,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 20] total 29 [2021-11-13 19:02:02,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294952067] [2021-11-13 19:02:02,099 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:02:02,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-11-13 19:02:02,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:02:02,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-11-13 19:02:02,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=626, Unknown=1, NotChecked=52, Total=812 [2021-11-13 19:02:02,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:02:02,101 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:02:02,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 9.448275862068966) internal successors, (274), 29 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:02:02,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:02:02,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-13 19:02:02,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:02:02,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:02:02,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:02:02,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-11-13 19:02:02,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:02:02,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:02:02,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-11-13 19:02:02,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:02:02,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:02:02,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:02:02,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-13 19:02:02,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-11-13 19:02:02,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-11-13 19:02:02,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-11-13 19:02:02,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:02:02,823 WARN L838 $PredicateComparison]: unable to prove that (and (<= 10 c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (<= 10 |c_thrThread2of2ForFork0_~end~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_99| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_99| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_99| c_~next~0)))) is different from false [2021-11-13 19:02:03,452 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_99| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_99| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_99| c_~next~0)))) is different from false [2021-11-13 19:02:04,224 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 9 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_99| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_99| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_99| c_~next~0)))) is different from false [2021-11-13 19:02:04,937 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 8) c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_99| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_99| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_99| c_~next~0)))) is different from false [2021-11-13 19:02:05,644 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (<= (+ 7 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_99| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_99| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_99| c_~next~0)))) is different from false [2021-11-13 19:02:06,367 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (<= (+ 6 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_99| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_99| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_99| c_~next~0)))) is different from false [2021-11-13 19:02:07,080 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (<= (+ 5 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_99| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_99| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_99| c_~next~0)))) is different from false [2021-11-13 19:02:07,798 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 4) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_99| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_99| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_99| c_~next~0)))) is different from false [2021-11-13 19:02:08,531 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 3 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_99| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_99| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_99| c_~next~0)))) is different from false [2021-11-13 19:02:09,252 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 2 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_99| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_99| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_99| c_~next~0)))) is different from false [2021-11-13 19:02:10,024 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_99| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_99| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_99| c_~next~0)))) is different from false [2021-11-13 19:02:10,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:02:10,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 19:02:10,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:02:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:02:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:02:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-13 19:02:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:02:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:02:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-11-13 19:02:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:02:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:02:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:02:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-13 19:02:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-11-13 19:02:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-13 19:02:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-11-13 19:02:10,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-13 19:02:10,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-13 19:02:10,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:02:10,884 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:02:10,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:02:10,884 INFO L85 PathProgramCache]: Analyzing trace with hash -964756775, now seen corresponding path program 5 times [2021-11-13 19:02:10,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:02:10,884 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568533607] [2021-11-13 19:02:10,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:02:10,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:02:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:11,421 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 523 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 19:02:11,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:02:11,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568533607] [2021-11-13 19:02:11,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568533607] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:02:11,422 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346681404] [2021-11-13 19:02:11,422 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-13 19:02:11,422 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:02:11,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:02:11,423 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:02:11,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-13 19:02:11,804 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-11-13 19:02:11,804 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 19:02:11,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-13 19:02:11,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:02:12,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-13 19:02:12,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 29 [2021-11-13 19:02:12,400 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-13 19:02:12,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 38 [2021-11-13 19:02:12,450 INFO L354 Elim1Store]: treesize reduction 53, result has 17.2 percent of original size [2021-11-13 19:02:12,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 29 [2021-11-13 19:02:12,659 INFO L354 Elim1Store]: treesize reduction 88, result has 20.7 percent of original size [2021-11-13 19:02:12,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 50 [2021-11-13 19:02:12,742 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-13 19:02:12,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 23 [2021-11-13 19:02:12,803 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 10 proven. 72 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2021-11-13 19:02:12,803 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:02:13,497 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_101| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_101| (+ |c_thrThread1of2ForFork0_~c~0#1| 1)) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_101| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-13 19:02:14,296 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_101| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_101| (+ |c_thrThread1of2ForFork0_~c~0#1| 1)) (= 1 (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_101| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)))))) is different from false [2021-11-13 19:02:16,403 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_102| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_102| c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_101| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_102| 4) c_~data~0.offset) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_101| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_101| (+ |v_thrThread1of2ForFork0_~c~0#1_102| 1)))))) is different from false [2021-11-13 19:02:16,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 39 [2021-11-13 19:02:17,019 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 8 proven. 72 refuted. 0 times theorem prover too weak. 446 trivial. 2 not checked. [2021-11-13 19:02:17,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1346681404] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:02:17,020 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:02:17,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 13, 12] total 34 [2021-11-13 19:02:17,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656907774] [2021-11-13 19:02:17,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:02:17,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-13 19:02:17,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:02:17,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-13 19:02:17,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=798, Unknown=3, NotChecked=180, Total=1122 [2021-11-13 19:02:17,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:02:17,022 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:02:17,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 9.617647058823529) internal successors, (327), 34 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:02:17,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:02:17,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-13 19:02:17,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:02:17,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:02:17,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:02:17,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-11-13 19:02:17,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:02:17,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:02:17,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-11-13 19:02:17,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:02:17,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:02:17,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:02:17,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-13 19:02:17,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-11-13 19:02:17,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-11-13 19:02:17,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-11-13 19:02:17,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-13 19:02:17,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:02:19,174 WARN L838 $PredicateComparison]: unable to prove that (and (<= 10 c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_102| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_102| c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_101| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_102| 4) c_~data~0.offset) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_101| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_101| (+ |v_thrThread1of2ForFork0_~c~0#1_102| 1)))))) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (<= 10 |c_thrThread2of2ForFork0_~end~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-13 19:02:21,177 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_102| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_102| c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_101| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_102| 4) c_~data~0.offset) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_101| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_101| (+ |v_thrThread1of2ForFork0_~c~0#1_102| 1)))))) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0)) is different from false [2021-11-13 19:02:23,261 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 9 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_102| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_102| c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_101| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_102| 4) c_~data~0.offset) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_101| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_101| (+ |v_thrThread1of2ForFork0_~c~0#1_102| 1)))))) (not (= |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1| 0)) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-13 19:02:25,301 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_102| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_102| c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_101| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_102| 4) c_~data~0.offset) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_101| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_101| (+ |v_thrThread1of2ForFork0_~c~0#1_102| 1)))))) (not (= |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1| 0)) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 8) c_~next~0) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-13 19:02:27,342 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_102| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_102| c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_101| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_102| 4) c_~data~0.offset) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_101| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_101| (+ |v_thrThread1of2ForFork0_~c~0#1_102| 1)))))) (not (= |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1| 0)) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0) (<= (+ 7 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-13 19:02:29,387 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 6 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_102| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_102| c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_101| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_102| 4) c_~data~0.offset) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_101| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_101| (+ |v_thrThread1of2ForFork0_~c~0#1_102| 1)))))) (not (= |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1| 0)) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-13 19:02:31,434 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_102| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_102| c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_101| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_102| 4) c_~data~0.offset) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_101| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_101| (+ |v_thrThread1of2ForFork0_~c~0#1_102| 1)))))) (not (= |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1| 0)) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (<= (+ 5 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-13 19:02:33,481 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 4) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_102| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_102| c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_101| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_102| 4) c_~data~0.offset) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_101| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_101| (+ |v_thrThread1of2ForFork0_~c~0#1_102| 1)))))) (not (= |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1| 0)) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-13 19:02:35,551 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 3 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_102| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_102| c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_101| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_102| 4) c_~data~0.offset) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_101| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_101| (+ |v_thrThread1of2ForFork0_~c~0#1_102| 1)))))) (not (= |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1| 0)) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-13 19:02:37,606 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 2 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_102| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_102| c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_101| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_102| 4) c_~data~0.offset) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_101| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_101| (+ |v_thrThread1of2ForFork0_~c~0#1_102| 1)))))) (not (= |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1| 0)) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-13 19:02:39,663 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_102| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_102| c_~next~0) (forall ((|v_thrThread1of2ForFork0_~c~0#1_101| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_102| 4) c_~data~0.offset) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_101| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_101| (+ |v_thrThread1of2ForFork0_~c~0#1_102| 1)))))) (not (= |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1| 0)) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0) (<= |c_thrThread2of2ForFork0_~end~0#1| c_~next~0)) is different from false [2021-11-13 19:02:41,402 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread1of2ForFork0_~c~0#1_101| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_101| (+ |c_thrThread1of2ForFork0_~c~0#1| 1)) (= 1 (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_101| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)))))) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |c_thrThread1of2ForFork0_~c~0#1|)) is different from false [2021-11-13 19:02:42,100 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (forall ((|v_thrThread1of2ForFork0_~c~0#1_101| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_101| (+ |c_thrThread1of2ForFork0_~c~0#1| 1)) (= 1 (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_101| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)))))) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 0) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |c_thrThread1of2ForFork0_~c~0#1|))) is different from false [2021-11-13 19:02:43,594 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (forall ((|v_thrThread1of2ForFork0_~c~0#1_101| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_101| (+ |c_thrThread1of2ForFork0_~c~0#1| 1)) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_101| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |c_thrThread1of2ForFork0_~c~0#1|))) is different from false [2021-11-13 19:02:46,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:02:46,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 19:02:46,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:02:46,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:02:46,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:02:46,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-13 19:02:46,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:02:46,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:02:46,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-11-13 19:02:46,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:02:46,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:02:46,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:02:46,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-13 19:02:46,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-13 19:02:46,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-11-13 19:02:46,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-11-13 19:02:46,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-13 19:02:46,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-13 19:02:46,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2021-11-13 19:02:46,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:02:46,485 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:02:46,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:02:46,486 INFO L85 PathProgramCache]: Analyzing trace with hash 755300895, now seen corresponding path program 6 times [2021-11-13 19:02:46,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:02:46,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554369517] [2021-11-13 19:02:46,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:02:46,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:02:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:46,735 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 523 proven. 119 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 19:02:46,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:02:46,736 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554369517] [2021-11-13 19:02:46,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554369517] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:02:46,736 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643769651] [2021-11-13 19:02:46,736 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-13 19:02:46,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:02:46,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:02:46,740 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:02:46,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-13 19:02:46,877 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-11-13 19:02:46,878 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 19:02:46,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-13 19:02:46,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:02:47,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-13 19:02:47,416 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-13 19:02:47,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-13 19:02:47,600 INFO L354 Elim1Store]: treesize reduction 88, result has 20.7 percent of original size [2021-11-13 19:02:47,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 48 [2021-11-13 19:02:47,681 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-13 19:02:47,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 21 [2021-11-13 19:02:47,754 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 10 proven. 182 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2021-11-13 19:02:47,754 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:02:48,511 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_104| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_104| (+ |c_thrThread1of2ForFork0_~c~0#1| 1)) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_104| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-13 19:02:49,325 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_104| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_104| (+ |c_thrThread1of2ForFork0_~c~0#1| 1)) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_104| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-13 19:02:49,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 36 [2021-11-13 19:02:49,884 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 10 proven. 182 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2021-11-13 19:02:49,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643769651] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:02:49,884 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:02:49,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 12] total 32 [2021-11-13 19:02:49,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567629017] [2021-11-13 19:02:49,885 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:02:49,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-11-13 19:02:49,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:02:49,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-11-13 19:02:49,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=750, Unknown=2, NotChecked=114, Total=992 [2021-11-13 19:02:49,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:02:49,887 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:02:49,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 11.96875) internal successors, (383), 32 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:02:49,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:02:49,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-13 19:02:49,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:02:49,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:02:49,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:02:49,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-11-13 19:02:49,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:02:49,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:02:49,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-11-13 19:02:49,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:02:49,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:02:49,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:02:49,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-13 19:02:49,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-11-13 19:02:49,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-11-13 19:02:49,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-11-13 19:02:49,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-13 19:02:49,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-13 19:02:49,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:02:51,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:02:51,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 19:02:51,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:02:51,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:02:51,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:02:51,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-13 19:02:51,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:02:51,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:02:51,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-11-13 19:02:51,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:02:51,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:02:51,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:02:51,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-13 19:02:51,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-13 19:02:51,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-11-13 19:02:51,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-11-13 19:02:51,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-13 19:02:51,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-13 19:02:51,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-11-13 19:02:52,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-11-13 19:02:52,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-11-13 19:02:52,197 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:02:52,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:02:52,198 INFO L85 PathProgramCache]: Analyzing trace with hash 244179958, now seen corresponding path program 7 times [2021-11-13 19:02:52,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:02:52,198 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050869827] [2021-11-13 19:02:52,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:02:52,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:02:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:52,689 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 19:02:52,690 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:02:52,690 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050869827] [2021-11-13 19:02:52,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050869827] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:02:52,690 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [274653669] [2021-11-13 19:02:52,690 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-13 19:02:52,690 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:02:52,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:02:52,691 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:02:52,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-13 19:02:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:52,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-13 19:02:52,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:02:53,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-13 19:02:53,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 29 [2021-11-13 19:02:53,334 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-13 19:02:53,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 51 [2021-11-13 19:02:53,527 INFO L354 Elim1Store]: treesize reduction 88, result has 20.7 percent of original size [2021-11-13 19:02:53,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 50 [2021-11-13 19:02:53,613 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-13 19:02:53,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 23 [2021-11-13 19:02:53,666 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 12 proven. 513 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 19:02:53,666 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:02:54,358 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_107| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_107| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_107| (+ |c_thrThread1of2ForFork0_~c~0#1| 1)))) is different from false [2021-11-13 19:02:55,155 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_107| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_107| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread1of2ForFork0_~c~0#1_107| (+ |c_thrThread1of2ForFork0_~c~0#1| 1)))) is different from false [2021-11-13 19:02:55,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 36 [2021-11-13 19:02:55,655 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 10 proven. 515 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 19:02:55,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [274653669] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:02:55,655 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:02:55,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 35 [2021-11-13 19:02:55,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834421435] [2021-11-13 19:02:55,656 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:02:55,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-11-13 19:02:55,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:02:55,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-11-13 19:02:55,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=892, Unknown=2, NotChecked=126, Total=1190 [2021-11-13 19:02:55,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:02:55,659 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:02:55,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 9.342857142857143) internal successors, (327), 35 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:02:55,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:02:55,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-13 19:02:55,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:02:55,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:02:55,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:02:55,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-11-13 19:02:55,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:02:55,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:02:55,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-11-13 19:02:55,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:02:55,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:02:55,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:02:55,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-13 19:02:55,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-11-13 19:02:55,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-11-13 19:02:55,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-11-13 19:02:55,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-13 19:02:55,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-13 19:02:55,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-11-13 19:02:55,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:02:59,238 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_85| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_85| c_~next~0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_85| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (<= (+ 5 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-13 19:02:59,886 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_85| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_85| c_~next~0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_85| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (<= (+ 5 |c_thrThread2of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-13 19:03:01,379 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|v_thrThread1of2ForFork0_~c~0#1_81| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_81| c_~next~0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_81| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-13 19:03:03,659 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_81| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_81| c_~next~0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_81| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 8) c_~next~0)) is different from false [2021-11-13 19:03:04,317 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_81| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_81| c_~next~0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_81| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 8) c_~next~0)) is different from false [2021-11-13 19:03:10,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:03:10,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 19:03:10,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:03:10,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:03:10,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:03:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-13 19:03:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 19:03:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:03:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-11-13 19:03:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:03:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:03:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:03:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-11-13 19:03:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-11-13 19:03:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-11-13 19:03:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-13 19:03:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-13 19:03:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-13 19:03:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-11-13 19:03:10,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-11-13 19:03:10,115 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-13 19:03:10,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-11-13 19:03:10,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:03:10,320 INFO L732 BasicCegarLoop]: Path program histogram: [7, 4, 3, 1, 1, 1, 1, 1, 1] [2021-11-13 19:03:10,321 INFO L308 ceAbstractionStarter]: Result for error location thrThread2of2ForFork0 was SAFE (1/3) [2021-11-13 19:03:10,323 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-13 19:03:10,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:03:10,325 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-13 19:03:10,353 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thrThread1of2ForFork0 ======== [2021-11-13 19:03:10,354 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 19:03:10,354 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 19:03:10,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (18)] Waiting until timeout for monitored process [2021-11-13 19:03:10,527 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:03:10,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:03:10,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1314986904, now seen corresponding path program 1 times [2021-11-13 19:03:10,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:03:10,530 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222656934] [2021-11-13 19:03:10,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:03:10,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:03:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:10,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:03:10,543 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:03:10,544 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222656934] [2021-11-13 19:03:10,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222656934] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:03:10,544 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:03:10,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 19:03:10,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882472920] [2021-11-13 19:03:10,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:03:10,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 19:03:10,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:03:10,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 19:03:10,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 19:03:10,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:03:10,546 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:03:10,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:03:10,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:03:10,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:03:10,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-13 19:03:10,551 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:03:10,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:03:10,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1543138609, now seen corresponding path program 1 times [2021-11-13 19:03:10,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:03:10,551 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413619725] [2021-11-13 19:03:10,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:03:10,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:03:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:10,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:03:10,733 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:03:10,733 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413619725] [2021-11-13 19:03:10,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413619725] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:03:10,734 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:03:10,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 19:03:10,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204448913] [2021-11-13 19:03:10,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:03:10,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 19:03:10,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:03:10,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 19:03:10,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 19:03:10,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:03:10,735 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:03:10,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:03:10,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:03:10,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:03:10,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:03:10,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:03:10,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-13 19:03:10,857 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:03:10,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:03:10,857 INFO L85 PathProgramCache]: Analyzing trace with hash -216175272, now seen corresponding path program 1 times [2021-11-13 19:03:10,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:03:10,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138387376] [2021-11-13 19:03:10,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:03:10,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:03:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:10,977 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 19:03:10,977 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:03:10,977 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138387376] [2021-11-13 19:03:10,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138387376] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:03:10,977 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772408700] [2021-11-13 19:03:10,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:03:10,978 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:03:10,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:03:10,980 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:03:11,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-11-13 19:03:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:11,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-13 19:03:11,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:03:11,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 19:03:11,236 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-13 19:03:11,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-13 19:03:11,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-13 19:03:11,463 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-13 19:03:11,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-13 19:03:11,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2021-11-13 19:03:11,527 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 19:03:11,528 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:03:13,394 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 6 refuted. 4 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 19:03:13,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [772408700] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:03:13,395 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:03:13,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 14 [2021-11-13 19:03:13,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715968372] [2021-11-13 19:03:13,395 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:03:13,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 19:03:13,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:03:13,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 19:03:13,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=148, Unknown=2, NotChecked=0, Total=182 [2021-11-13 19:03:13,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:03:13,397 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:03:13,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.428571428571429) internal successors, (104), 14 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:03:13,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:03:13,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:03:13,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:03:13,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:03:13,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:03:13,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:03:13,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-11-13 19:03:13,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-11-13 19:03:13,879 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:03:13,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:03:13,879 INFO L85 PathProgramCache]: Analyzing trace with hash 944474749, now seen corresponding path program 1 times [2021-11-13 19:03:13,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:03:13,879 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847051743] [2021-11-13 19:03:13,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:03:13,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:03:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:14,340 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 19:03:14,340 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:03:14,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847051743] [2021-11-13 19:03:14,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847051743] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:03:14,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [991589092] [2021-11-13 19:03:14,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:03:14,341 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:03:14,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:03:14,342 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:03:14,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-11-13 19:03:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:14,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 19:03:14,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:03:14,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 19:03:14,540 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-13 19:03:14,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-13 19:03:14,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-13 19:03:14,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-13 19:03:14,997 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-13 19:03:14,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-13 19:03:15,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2021-11-13 19:03:15,138 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-13 19:03:15,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 43 [2021-11-13 19:03:15,189 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-13 19:03:15,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 15 [2021-11-13 19:03:15,231 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 19:03:15,231 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:03:15,993 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_159| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_159| c_~next~0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_159| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-13 19:03:16,942 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread2of2ForFork0_~c~0#1_159| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_159| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |c_ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_159| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-13 19:03:17,989 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre8#1_58| Int) (|v_thrThread2of2ForFork0_~c~0#1_159| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_159| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_58|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_159| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-13 19:03:18,113 INFO L354 Elim1Store]: treesize reduction 23, result has 60.3 percent of original size [2021-11-13 19:03:18,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 56 [2021-11-13 19:03:18,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2021-11-13 19:03:18,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2021-11-13 19:03:18,630 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 15 not checked. [2021-11-13 19:03:18,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [991589092] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:03:18,630 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:03:18,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 17] total 34 [2021-11-13 19:03:18,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381838893] [2021-11-13 19:03:18,631 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:03:18,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-13 19:03:18,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:03:18,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-13 19:03:18,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=816, Unknown=3, NotChecked=180, Total=1122 [2021-11-13 19:03:18,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:03:18,633 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:03:18,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 6.352941176470588) internal successors, (216), 34 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:03:18,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:03:18,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:03:18,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:03:18,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:03:19,853 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre8#1_58| Int) (|v_thrThread2of2ForFork0_~c~0#1_159| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_159| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_58|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_159| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= 10 |c_thrThread1of2ForFork0_~end~0#1|) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (= (select |c_#valid| |c_ULTIMATE.start_main_~#t~0#1.base|) 1) (<= 10 c_~next~0) (= |c_thrThread1of2ForFork0_~c~0#1| 0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= (+ 9 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-13 19:03:20,625 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre8#1_58| Int) (|v_thrThread2of2ForFork0_~c~0#1_159| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_159| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_58|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_159| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= (+ 9 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-13 19:03:21,475 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre8#1_58| Int) (|v_thrThread2of2ForFork0_~c~0#1_159| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_159| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_58|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_159| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (not (= |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1| 0)) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= (+ 9 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-13 19:03:22,295 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre8#1_58| Int) (|v_thrThread2of2ForFork0_~c~0#1_159| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_159| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_58|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_159| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (not (= |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1| 0)) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0)) is different from false [2021-11-13 19:03:22,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:03:22,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:03:22,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:03:22,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-13 19:03:22,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-11-13 19:03:22,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-11-13 19:03:22,681 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:03:22,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:03:22,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1613186511, now seen corresponding path program 2 times [2021-11-13 19:03:22,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:03:22,682 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602635183] [2021-11-13 19:03:22,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:03:22,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:03:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:23,136 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 19:03:23,137 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:03:23,137 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602635183] [2021-11-13 19:03:23,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602635183] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:03:23,137 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796036081] [2021-11-13 19:03:23,137 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 19:03:23,137 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:03:23,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:03:23,141 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:03:23,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-11-13 19:03:23,263 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-13 19:03:23,263 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 19:03:23,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-13 19:03:23,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:03:23,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 19:03:23,345 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-13 19:03:23,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-13 19:03:23,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-13 19:03:23,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-13 19:03:23,933 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-13 19:03:23,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-13 19:03:24,095 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-13 19:03:24,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 31 [2021-11-13 19:03:24,163 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-13 19:03:24,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 15 [2021-11-13 19:03:24,217 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 9 proven. 63 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 19:03:24,217 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:03:24,964 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_163| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_163| c_~next~0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_163| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-13 19:03:26,014 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread2of2ForFork0_~c~0#1_163| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |c_ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_163| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_163| c_~next~0))) is different from false [2021-11-13 19:03:27,105 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_163| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre8#1_64| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_163| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_64|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_163| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-13 19:03:27,194 INFO L354 Elim1Store]: treesize reduction 23, result has 60.3 percent of original size [2021-11-13 19:03:27,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 56 [2021-11-13 19:03:27,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2021-11-13 19:03:27,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2021-11-13 19:03:27,800 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 15 not checked. [2021-11-13 19:03:27,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796036081] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:03:27,800 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:03:27,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 19] total 38 [2021-11-13 19:03:27,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936847994] [2021-11-13 19:03:27,801 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:03:27,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-11-13 19:03:27,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:03:27,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-11-13 19:03:27,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=1028, Unknown=3, NotChecked=204, Total=1406 [2021-11-13 19:03:27,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:03:27,803 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:03:27,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 6.947368421052632) internal successors, (264), 38 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:03:27,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:03:27,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:03:27,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:03:27,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-13 19:03:27,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:03:28,843 WARN L838 $PredicateComparison]: unable to prove that (and (<= 10 |c_thrThread1of2ForFork0_~end~0#1|) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (= (select |c_#valid| |c_ULTIMATE.start_main_~#t~0#1.base|) 1) (<= 10 c_~next~0) (= |c_thrThread1of2ForFork0_~c~0#1| 0) (<= (+ 7 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_163| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre8#1_64| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_163| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_64|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_163| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:03:29,674 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ 7 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_163| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre8#1_64| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_163| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_64|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_163| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:03:30,560 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 7 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_163| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre8#1_64| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_163| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_64|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_163| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (<= (+ 9 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-13 19:03:31,482 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 8 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 7 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_163| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre8#1_64| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_163| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_64|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_163| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|)) is different from false [2021-11-13 19:03:32,344 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 7 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_163| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre8#1_64| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_163| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_64|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_163| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|)) is different from false [2021-11-13 19:03:33,231 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (< (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_163| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre8#1_64| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_163| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_64|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_163| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|)) is different from false [2021-11-13 19:03:34,096 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) c_~next~0) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_163| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre8#1_64| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_163| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_64|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_163| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|)) is different from false [2021-11-13 19:03:35,000 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_163| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre8#1_64| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_163| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_64|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_163| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0)) is different from false [2021-11-13 19:03:35,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:03:35,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:03:35,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:03:35,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-13 19:03:35,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-11-13 19:03:35,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-11-13 19:03:35,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:03:35,411 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:03:35,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:03:35,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1244117619, now seen corresponding path program 3 times [2021-11-13 19:03:35,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:03:35,412 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661060626] [2021-11-13 19:03:35,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:03:35,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:03:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:35,973 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 19:03:35,974 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:03:35,974 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661060626] [2021-11-13 19:03:35,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661060626] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:03:35,974 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071660960] [2021-11-13 19:03:35,974 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 19:03:35,975 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:03:35,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:03:35,980 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:03:36,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-11-13 19:03:36,094 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-13 19:03:36,094 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 19:03:36,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-13 19:03:36,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:03:37,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-13 19:03:37,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:03:37,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-13 19:03:37,243 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-13 19:03:37,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-11-13 19:03:37,431 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-13 19:03:37,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 29 [2021-11-13 19:03:37,501 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-13 19:03:37,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 13 [2021-11-13 19:03:37,565 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2021-11-13 19:03:37,565 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:03:38,247 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_167| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0))) is different from false [2021-11-13 19:03:39,260 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread2of2ForFork0_~c~0#1_167| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |c_ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0))) is different from false [2021-11-13 19:03:40,627 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~pre8#1_70| Int) (|v_thrThread2of2ForFork0_~c~0#1_167| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_70|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0))) is different from false [2021-11-13 19:03:40,743 INFO L354 Elim1Store]: treesize reduction 23, result has 60.3 percent of original size [2021-11-13 19:03:40,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 56 [2021-11-13 19:03:40,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2021-11-13 19:03:40,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2021-11-13 19:03:41,587 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 259 trivial. 15 not checked. [2021-11-13 19:03:41,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2071660960] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:03:41,588 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:03:41,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 14, 15] total 42 [2021-11-13 19:03:41,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141989180] [2021-11-13 19:03:41,588 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:03:41,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2021-11-13 19:03:41,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:03:41,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-11-13 19:03:41,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=1329, Unknown=3, NotChecked=228, Total=1722 [2021-11-13 19:03:41,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:03:41,591 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:03:41,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 7.761904761904762) internal successors, (326), 42 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:03:41,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:03:41,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:03:41,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:03:41,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-13 19:03:41,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-11-13 19:03:41,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:03:42,905 WARN L838 $PredicateComparison]: unable to prove that (and (<= 10 |c_thrThread1of2ForFork0_~end~0#1|) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (= (select |c_#valid| |c_ULTIMATE.start_main_~#t~0#1.base|) 1) (<= (+ 3 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (<= 10 c_~next~0) (= |c_thrThread1of2ForFork0_~c~0#1| 0) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (< |c_#StackHeapBarrier| |c_ULTIMATE.start_main_~#t~0#1.base|) (forall ((|v_ULTIMATE.start_main_#t~pre8#1_70| Int) (|v_thrThread2of2ForFork0_~c~0#1_167| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_70|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0)))) is different from false [2021-11-13 19:03:43,761 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ 3 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (forall ((|v_ULTIMATE.start_main_#t~pre8#1_70| Int) (|v_thrThread2of2ForFork0_~c~0#1_167| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_70|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0)))) is different from false [2021-11-13 19:03:44,736 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 3 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (forall ((|v_ULTIMATE.start_main_#t~pre8#1_70| Int) (|v_thrThread2of2ForFork0_~c~0#1_167| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_70|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0))) (<= (+ 9 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-13 19:03:45,661 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 8 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 3 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (forall ((|v_ULTIMATE.start_main_#t~pre8#1_70| Int) (|v_thrThread2of2ForFork0_~c~0#1_167| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_70|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0)))) is different from false [2021-11-13 19:03:46,685 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 3 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (<= (+ 7 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (forall ((|v_ULTIMATE.start_main_#t~pre8#1_70| Int) (|v_thrThread2of2ForFork0_~c~0#1_167| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_70|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0)))) is different from false [2021-11-13 19:03:47,705 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 3 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= (+ 6 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (forall ((|v_ULTIMATE.start_main_#t~pre8#1_70| Int) (|v_thrThread2of2ForFork0_~c~0#1_167| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_70|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0)))) is different from false [2021-11-13 19:03:48,829 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ 5 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 3 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (forall ((|v_ULTIMATE.start_main_#t~pre8#1_70| Int) (|v_thrThread2of2ForFork0_~c~0#1_167| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_70|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0)))) is different from false [2021-11-13 19:03:49,764 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ |c_thrThread1of2ForFork0_~c~0#1| 4) c_~next~0) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 3 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (forall ((|v_ULTIMATE.start_main_#t~pre8#1_70| Int) (|v_thrThread2of2ForFork0_~c~0#1_167| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_70|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0)))) is different from false [2021-11-13 19:03:50,712 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 3 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (forall ((|v_ULTIMATE.start_main_#t~pre8#1_70| Int) (|v_thrThread2of2ForFork0_~c~0#1_167| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_70|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0)))) is different from false [2021-11-13 19:03:51,616 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (forall ((|v_ULTIMATE.start_main_#t~pre8#1_70| Int) (|v_thrThread2of2ForFork0_~c~0#1_167| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_70|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0)))) is different from false [2021-11-13 19:03:52,485 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (forall ((|v_ULTIMATE.start_main_#t~pre8#1_70| Int) (|v_thrThread2of2ForFork0_~c~0#1_167| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_70|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0)))) is different from false [2021-11-13 19:03:53,325 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread2of2ForFork0_~c~0#1_167| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |c_ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0))) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0)) is different from false [2021-11-13 19:03:53,956 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_167| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0)))) is different from false [2021-11-13 19:03:54,621 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_167| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0)))) is different from false [2021-11-13 19:03:54,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:03:54,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:03:54,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:03:54,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-13 19:03:54,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-11-13 19:03:54,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-13 19:03:54,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2021-11-13 19:03:54,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-11-13 19:03:54,952 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:03:54,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:03:54,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1562467603, now seen corresponding path program 1 times [2021-11-13 19:03:54,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:03:54,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832967336] [2021-11-13 19:03:54,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:03:54,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:03:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:55,593 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 419 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 19:03:55,593 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:03:55,593 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832967336] [2021-11-13 19:03:55,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832967336] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:03:55,594 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064248258] [2021-11-13 19:03:55,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:03:55,594 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:03:55,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:03:55,598 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:03:55,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-11-13 19:03:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:55,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 19:03:55,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:03:55,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 19:03:55,767 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-13 19:03:55,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-13 19:03:56,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-13 19:03:56,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-13 19:03:56,686 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-13 19:03:56,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-13 19:03:56,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 29 [2021-11-13 19:03:56,811 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-13 19:03:56,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 38 [2021-11-13 19:03:56,860 INFO L354 Elim1Store]: treesize reduction 53, result has 17.2 percent of original size [2021-11-13 19:03:56,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 29 [2021-11-13 19:03:57,128 INFO L354 Elim1Store]: treesize reduction 88, result has 20.7 percent of original size [2021-11-13 19:03:57,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 50 [2021-11-13 19:03:57,236 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-13 19:03:57,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 23 [2021-11-13 19:03:57,314 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 11 proven. 408 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 19:03:57,314 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:03:58,036 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ |c_thrThread2of2ForFork0_~c~0#1| 1)) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-13 19:03:58,863 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ |c_thrThread2of2ForFork0_~c~0#1| 1)) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-13 19:04:00,981 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_173| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))))) is different from false [2021-11-13 19:04:02,667 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread2of2ForFork0_~c~0#1_172| Int) (|v_thrThread2of2ForFork0_~c~0#1_173| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |c_ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))) is different from false [2021-11-13 19:04:04,868 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int) (|v_thrThread2of2ForFork0_~c~0#1_173| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre8#1_76| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_76|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))) is different from false [2021-11-13 19:04:05,120 INFO L354 Elim1Store]: treesize reduction 23, result has 60.3 percent of original size [2021-11-13 19:04:05,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 68 [2021-11-13 19:04:05,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 56 [2021-11-13 19:04:05,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 79 [2021-11-13 19:04:06,128 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 408 refuted. 0 times theorem prover too weak. 0 trivial. 17 not checked. [2021-11-13 19:04:06,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064248258] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:04:06,129 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:04:06,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 26, 26] total 45 [2021-11-13 19:04:06,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622866560] [2021-11-13 19:04:06,129 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:04:06,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2021-11-13 19:04:06,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:04:06,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-11-13 19:04:06,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=1359, Unknown=5, NotChecked=400, Total=1980 [2021-11-13 19:04:06,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:04:06,133 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:04:06,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 7.644444444444445) internal successors, (344), 45 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:04:06,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:04:06,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:04:06,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:04:06,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-13 19:04:06,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-11-13 19:04:06,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-13 19:04:06,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:04:07,845 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (<= 10 |c_thrThread1of2ForFork0_~end~0#1|) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (= (select |c_#valid| |c_ULTIMATE.start_main_~#t~0#1.base|) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int) (|v_thrThread2of2ForFork0_~c~0#1_173| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre8#1_76| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_76|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))) (<= 10 c_~next~0) (= |c_thrThread1of2ForFork0_~c~0#1| 0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:04:09,864 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int) (|v_thrThread2of2ForFork0_~c~0#1_173| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre8#1_76| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_76|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:04:11,664 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int) (|v_thrThread2of2ForFork0_~c~0#1_173| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre8#1_76| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_76|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (<= (+ 9 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-13 19:04:13,742 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 8 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int) (|v_thrThread2of2ForFork0_~c~0#1_173| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre8#1_76| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_76|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|)) is different from false [2021-11-13 19:04:15,553 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int) (|v_thrThread2of2ForFork0_~c~0#1_173| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre8#1_76| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_76|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 7 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|)) is different from false [2021-11-13 19:04:17,087 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int) (|v_thrThread2of2ForFork0_~c~0#1_173| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre8#1_76| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_76|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= (+ 6 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|)) is different from false [2021-11-13 19:04:18,473 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ 5 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int) (|v_thrThread2of2ForFork0_~c~0#1_173| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre8#1_76| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_76|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|)) is different from false [2021-11-13 19:04:20,018 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ |c_thrThread1of2ForFork0_~c~0#1| 4) c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int) (|v_thrThread2of2ForFork0_~c~0#1_173| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre8#1_76| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_76|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|)) is different from false [2021-11-13 19:04:21,810 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int) (|v_thrThread2of2ForFork0_~c~0#1_173| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre8#1_76| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_76|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 3 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|)) is different from false [2021-11-13 19:04:23,205 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int) (|v_thrThread2of2ForFork0_~c~0#1_173| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre8#1_76| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_76|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|)) is different from false [2021-11-13 19:04:25,323 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ |c_thrThread1of2ForFork0_~c~0#1| 1) c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int) (|v_thrThread2of2ForFork0_~c~0#1_173| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre8#1_76| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_76|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|)) is different from false [2021-11-13 19:04:27,469 WARN L838 $PredicateComparison]: unable to prove that (and (<= |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int) (|v_thrThread2of2ForFork0_~c~0#1_173| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre8#1_76| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_76|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|)) is different from false [2021-11-13 19:04:27,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:04:27,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:04:27,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:04:27,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-13 19:04:27,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-11-13 19:04:27,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-13 19:04:27,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-11-13 19:04:27,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2021-11-13 19:04:27,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-11-13 19:04:27,903 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:04:27,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:04:27,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1231244850, now seen corresponding path program 2 times [2021-11-13 19:04:27,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:04:27,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857588251] [2021-11-13 19:04:27,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:04:27,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:04:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:28,165 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 647 proven. 121 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 19:04:28,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:04:28,166 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857588251] [2021-11-13 19:04:28,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857588251] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:04:28,166 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263920101] [2021-11-13 19:04:28,166 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 19:04:28,167 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:04:28,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:04:28,169 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:04:28,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-11-13 19:04:28,278 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-13 19:04:28,278 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 19:04:28,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-13 19:04:28,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:04:28,786 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 760 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 19:04:28,786 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 19:04:28,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263920101] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:04:28,787 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 19:04:28,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [16] total 18 [2021-11-13 19:04:28,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122399454] [2021-11-13 19:04:28,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:04:28,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 19:04:28,788 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:04:28,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 19:04:28,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2021-11-13 19:04:28,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:04:28,789 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:04:28,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 15.928571428571429) internal successors, (223), 14 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:04:28,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:04:28,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:04:28,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:04:28,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-13 19:04:28,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-11-13 19:04:28,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-13 19:04:28,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-11-13 19:04:28,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:04:31,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:04:31,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:04:31,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:04:31,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-13 19:04:31,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-11-13 19:04:31,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-13 19:04:31,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-13 19:04:31,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:04:31,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2021-11-13 19:04:31,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:04:31,330 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:04:31,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:04:31,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1945164621, now seen corresponding path program 3 times [2021-11-13 19:04:31,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:04:31,331 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563197501] [2021-11-13 19:04:31,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:04:31,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:04:31,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:32,123 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 12 proven. 526 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 19:04:32,123 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:04:32,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563197501] [2021-11-13 19:04:32,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563197501] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:04:32,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38303557] [2021-11-13 19:04:32,124 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 19:04:32,124 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:04:32,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:04:32,125 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:04:32,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-11-13 19:04:32,244 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-13 19:04:32,245 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 19:04:32,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-13 19:04:32,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:04:33,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-13 19:04:33,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 19:04:33,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-13 19:04:33,327 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-13 19:04:33,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-11-13 19:04:33,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 29 [2021-11-13 19:04:33,488 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-13 19:04:33,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 38 [2021-11-13 19:04:33,548 INFO L354 Elim1Store]: treesize reduction 53, result has 17.2 percent of original size [2021-11-13 19:04:33,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 29 [2021-11-13 19:04:33,769 INFO L354 Elim1Store]: treesize reduction 88, result has 20.7 percent of original size [2021-11-13 19:04:33,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 50 [2021-11-13 19:04:33,866 INFO L354 Elim1Store]: treesize reduction 120, result has 16.1 percent of original size [2021-11-13 19:04:33,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 59 treesize of output 53 [2021-11-13 19:04:34,258 INFO L354 Elim1Store]: treesize reduction 156, result has 17.9 percent of original size [2021-11-13 19:04:34,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 69 [2021-11-13 19:04:34,366 INFO L354 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2021-11-13 19:04:34,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 71 treesize of output 31 [2021-11-13 19:04:34,441 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 25 proven. 72 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2021-11-13 19:04:34,441 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:04:35,230 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_179| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ |c_thrThread2of2ForFork0_~c~0#1| 1)) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-13 19:04:48,268 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_180| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ |c_thrThread2of2ForFork0_~c~0#1| 1)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_179| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))))) is different from false [2021-11-13 19:05:03,115 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int)) (or (forall ((|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|)) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0))) is different from false [2021-11-13 19:05:05,758 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int) (|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|)) (= (select (store (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |c_ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-13 19:05:08,497 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int) (|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|v_ULTIMATE.start_main_#t~pre8#1_82| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_82|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|)))) is different from false [2021-11-13 19:05:09,114 INFO L354 Elim1Store]: treesize reduction 23, result has 60.3 percent of original size [2021-11-13 19:05:09,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 78 treesize of output 80 [2021-11-13 19:05:09,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 68 [2021-11-13 19:05:09,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 205 treesize of output 187 [2021-11-13 19:05:10,449 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 76 refuted. 3 times theorem prover too weak. 441 trivial. 24 not checked. [2021-11-13 19:05:10,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [38303557] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:05:10,450 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:05:10,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 20, 19] total 54 [2021-11-13 19:05:10,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254513740] [2021-11-13 19:05:10,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:05:10,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2021-11-13 19:05:10,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:05:10,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-11-13 19:05:10,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=2095, Unknown=22, NotChecked=490, Total=2862 [2021-11-13 19:05:10,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:05:10,455 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:05:10,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 7.611111111111111) internal successors, (411), 54 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:05:10,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:05:10,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:05:10,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:05:10,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-13 19:05:10,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-11-13 19:05:10,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-13 19:05:10,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-11-13 19:05:10,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:05:10,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:05:12,085 WARN L838 $PredicateComparison]: unable to prove that (and (<= 10 |c_thrThread1of2ForFork0_~end~0#1|) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (= (select |c_#valid| |c_ULTIMATE.start_main_~#t~0#1.base|) 1) (<= 10 c_~next~0) (= |c_thrThread1of2ForFork0_~c~0#1| 0) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (< |c_#StackHeapBarrier| |c_ULTIMATE.start_main_~#t~0#1.base|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int) (|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|v_ULTIMATE.start_main_#t~pre8#1_82| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_82|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|))))) is different from false [2021-11-13 19:05:13,433 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int) (|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|v_ULTIMATE.start_main_#t~pre8#1_82| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_82|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|))))) is different from false [2021-11-13 19:05:15,690 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int) (|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|v_ULTIMATE.start_main_#t~pre8#1_82| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_82|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|)))) (<= (+ 9 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-13 19:05:17,878 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 8 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int) (|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|v_ULTIMATE.start_main_#t~pre8#1_82| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_82|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|))))) is different from false [2021-11-13 19:05:20,083 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (<= (+ 7 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int) (|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|v_ULTIMATE.start_main_#t~pre8#1_82| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_82|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|))))) is different from false [2021-11-13 19:05:22,308 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= (+ 6 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int) (|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|v_ULTIMATE.start_main_#t~pre8#1_82| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_82|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|))))) is different from false [2021-11-13 19:05:24,522 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ 5 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int) (|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|v_ULTIMATE.start_main_#t~pre8#1_82| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_82|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|))))) is different from false [2021-11-13 19:05:26,785 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ |c_thrThread1of2ForFork0_~c~0#1| 4) c_~next~0) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int) (|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|v_ULTIMATE.start_main_#t~pre8#1_82| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_82|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|))))) is different from false [2021-11-13 19:05:29,018 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 3 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int) (|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|v_ULTIMATE.start_main_#t~pre8#1_82| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_82|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|))))) is different from false [2021-11-13 19:05:31,256 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int) (|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|v_ULTIMATE.start_main_#t~pre8#1_82| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_82|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|))))) is different from false [2021-11-13 19:05:33,483 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int) (|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|v_ULTIMATE.start_main_#t~pre8#1_82| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_82|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|))))) is different from false [2021-11-13 19:05:35,519 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int) (|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|)) (= (select (store (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |c_ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-13 19:05:37,527 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int)) (or (forall ((|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|)) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0)) is different from false [2021-11-13 19:05:39,533 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int)) (or (forall ((|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|)) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0))) (<= (+ |c_thrThread1of2ForFork0_~c~0#1| 1) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:05:41,614 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_179| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ |c_thrThread2of2ForFork0_~c~0#1| 1)) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (forall ((|v_thrThread2of2ForFork0_~c~0#1_180| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ |c_thrThread2of2ForFork0_~c~0#1| 1)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_179| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))))) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |c_thrThread2of2ForFork0_~c~0#1|))) is different from false [2021-11-13 19:05:43,624 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (exists ((|v_thrThread2of2ForFork0_~c~0#1_177| Int)) (and (<= (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_177|) (= (select (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_177| 4) c_~data~0.offset)) 1) (<= (+ 1 |v_thrThread2of2ForFork0_~c~0#1_177|) |c_thrThread2of2ForFork0_~c~0#1|))) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_179| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ |c_thrThread2of2ForFork0_~c~0#1| 1)) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (forall ((|v_thrThread2of2ForFork0_~c~0#1_180| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ |c_thrThread2of2ForFork0_~c~0#1| 1)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_179| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))))) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-13 19:05:43,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:05:43,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:05:43,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:05:43,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-13 19:05:43,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-11-13 19:05:43,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-13 19:05:43,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-13 19:05:43,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:05:43,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-11-13 19:05:43,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2021-11-13 19:05:43,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-11-13 19:05:43,940 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:05:43,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:05:43,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1284615935, now seen corresponding path program 1 times [2021-11-13 19:05:43,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:05:43,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224266563] [2021-11-13 19:05:43,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:05:43,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:05:43,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:44,005 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2021-11-13 19:05:44,005 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:05:44,005 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224266563] [2021-11-13 19:05:44,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224266563] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:05:44,006 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:05:44,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 19:05:44,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463359503] [2021-11-13 19:05:44,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:05:44,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 19:05:44,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:05:44,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 19:05:44,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 19:05:44,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:05:44,008 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:05:44,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:05:44,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:05:44,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:05:44,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:05:44,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-13 19:05:44,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-11-13 19:05:44,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-13 19:05:44,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-11-13 19:05:44,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:05:44,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-11-13 19:05:44,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:05:49,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:05:49,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:05:49,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:05:49,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-13 19:05:49,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-11-13 19:05:49,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-11-13 19:05:49,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-11-13 19:05:49,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:05:49,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-13 19:05:49,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:05:49,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-13 19:05:49,551 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:05:49,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:05:49,552 INFO L85 PathProgramCache]: Analyzing trace with hash -441929258, now seen corresponding path program 4 times [2021-11-13 19:05:49,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:05:49,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90713650] [2021-11-13 19:05:49,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:05:49,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:05:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:49,894 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 0 proven. 524 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 19:05:49,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:05:49,895 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90713650] [2021-11-13 19:05:49,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90713650] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:05:49,895 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991812489] [2021-11-13 19:05:49,895 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-13 19:05:49,895 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:05:49,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:05:49,897 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:05:49,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-11-13 19:05:49,976 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-13 19:05:49,977 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 19:05:49,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-13 19:05:49,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:05:50,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-13 19:05:50,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 29 [2021-11-13 19:05:50,456 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-13 19:05:50,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 51 [2021-11-13 19:05:50,614 INFO L354 Elim1Store]: treesize reduction 88, result has 20.7 percent of original size [2021-11-13 19:05:50,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 50 [2021-11-13 19:05:50,692 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-13 19:05:50,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 23 [2021-11-13 19:05:50,737 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 11 proven. 513 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 19:05:50,737 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:05:51,436 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_186| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_186| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_186| (+ |c_thrThread2of2ForFork0_~c~0#1| 1)))) is different from false [2021-11-13 19:05:52,246 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_186| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_186| (+ |c_thrThread2of2ForFork0_~c~0#1| 1)) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_186| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-13 19:05:52,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 36 [2021-11-13 19:05:52,787 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 9 proven. 515 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 19:05:52,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991812489] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:05:52,788 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:05:52,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 35 [2021-11-13 19:05:52,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970772752] [2021-11-13 19:05:52,788 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:05:52,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-11-13 19:05:52,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:05:52,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-11-13 19:05:52,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=892, Unknown=2, NotChecked=126, Total=1190 [2021-11-13 19:05:52,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:05:52,790 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:05:52,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 9.228571428571428) internal successors, (323), 35 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:05:52,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:05:52,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:05:52,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:05:52,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-13 19:05:52,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-11-13 19:05:52,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-11-13 19:05:52,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-11-13 19:05:52,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:05:52,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-11-13 19:05:52,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:05:52,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:05:56,107 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread2of2ForFork0_~c~0#1_172| Int) (|v_thrThread2of2ForFork0_~c~0#1_173| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |c_ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|))))) is different from false [2021-11-13 19:05:58,124 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_173| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))))) (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:06:00,128 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_173| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))))) (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:06:00,902 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ |c_thrThread2of2ForFork0_~c~0#1| 1)) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-13 19:06:01,628 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ |c_thrThread2of2ForFork0_~c~0#1| 1)) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))))) is different from false [2021-11-13 19:06:02,284 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ |c_thrThread2of2ForFork0_~c~0#1| 1)) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))))) is different from false [2021-11-13 19:06:03,436 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ 3 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread2of2ForFork0_~c~0#1_167| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |c_ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0))) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0)) is different from false [2021-11-13 19:06:04,144 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ 3 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_167| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0)))) is different from false [2021-11-13 19:06:04,807 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 3 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_167| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0)))) is different from false [2021-11-13 19:06:07,210 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= (+ 7 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread2of2ForFork0_~c~0#1_163| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |c_ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_163| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_163| c_~next~0)))) is different from false [2021-11-13 19:06:07,888 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_163| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_163| c_~next~0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_163| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= (+ 7 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:06:08,534 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_163| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_163| c_~next~0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_163| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= (+ 7 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:06:10,263 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|ULTIMATE.start_main_#t~pre8#1| Int) (|v_thrThread2of2ForFork0_~c~0#1_159| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_159| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |c_ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre8#1|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_159| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= (+ 9 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-13 19:06:10,911 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_159| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_159| c_~next~0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_159| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= (+ 9 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-13 19:06:11,561 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_159| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_159| c_~next~0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_159| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= (+ 9 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0)) is different from false [2021-11-13 19:06:19,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:06:19,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:06:19,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:06:19,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-13 19:06:19,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-11-13 19:06:19,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-11-13 19:06:19,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-11-13 19:06:19,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:06:19,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-11-13 19:06:19,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:06:19,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-11-13 19:06:19,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2021-11-13 19:06:19,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:06:19,555 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:06:19,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:06:19,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1838239499, now seen corresponding path program 4 times [2021-11-13 19:06:19,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:06:19,558 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307068802] [2021-11-13 19:06:19,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:06:19,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:06:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:19,878 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 345 proven. 177 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 19:06:19,878 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:06:19,878 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307068802] [2021-11-13 19:06:19,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307068802] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:06:19,878 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703678006] [2021-11-13 19:06:19,878 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-13 19:06:19,879 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:06:19,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:06:19,879 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:06:19,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-11-13 19:06:19,953 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-13 19:06:19,953 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 19:06:19,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 19:06:19,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:06:20,259 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2021-11-13 19:06:20,259 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 19:06:20,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1703678006] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:06:20,259 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 19:06:20,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2021-11-13 19:06:20,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083048045] [2021-11-13 19:06:20,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:06:20,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 19:06:20,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:06:20,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 19:06:20,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2021-11-13 19:06:20,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:06:20,260 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:06:20,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:06:20,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:06:20,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:06:20,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:06:20,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-13 19:06:20,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-11-13 19:06:20,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-11-13 19:06:20,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2021-11-13 19:06:20,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:06:20,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-11-13 19:06:20,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:06:20,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-11-13 19:06:20,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:06:21,897 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_thrThread1of2ForFork0_~c~0#1| 10))) (and (forall ((|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre8#1_58| Int) (|v_thrThread2of2ForFork0_~c~0#1_159| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_159| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_58|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_159| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (= (select |c_#valid| |c_ULTIMATE.start_main_~#t~0#1.base|) 1) (<= .cse0 c_~next~0) (<= .cse0 |c_thrThread1of2ForFork0_~end~0#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= (+ 9 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0))) is different from false [2021-11-13 19:06:22,669 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_thrThread1of2ForFork0_~c~0#1| 10))) (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (= (select |c_#valid| |c_ULTIMATE.start_main_~#t~0#1.base|) 1) (<= .cse0 c_~next~0) (<= .cse0 |c_thrThread1of2ForFork0_~end~0#1|) (<= (+ 7 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_163| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre8#1_64| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_163| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_64|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_163| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-13 19:06:23,436 WARN L838 $PredicateComparison]: unable to prove that (and (= (select |c_#valid| |c_ULTIMATE.start_main_~#t~0#1.base|) 1) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (< |c_#StackHeapBarrier| |c_ULTIMATE.start_main_~#t~0#1.base|) (forall ((|v_ULTIMATE.start_main_#t~pre8#1_70| Int) (|v_thrThread2of2ForFork0_~c~0#1_167| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_70|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_167| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_167| c_~next~0)))) is different from false [2021-11-13 19:06:25,448 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_thrThread1of2ForFork0_~c~0#1| 10))) (and (<= (+ 2 |c_thrThread1of2ForFork0_~c~0#1|) c_~next~0) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (= (select |c_#valid| |c_ULTIMATE.start_main_~#t~0#1.base|) 1) (<= .cse0 c_~next~0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_172| Int) (|v_thrThread2of2ForFork0_~c~0#1_173| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre8#1_76| Int)) (or (= (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_76|)) c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_173| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_172| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_173| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_172| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_173|)))) (<= .cse0 |c_thrThread1of2ForFork0_~end~0#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-13 19:06:27,477 WARN L838 $PredicateComparison]: unable to prove that (and (= (select |c_#valid| |c_ULTIMATE.start_main_~#t~0#1.base|) 1) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ c_~data~0.base 1) |c_ULTIMATE.start_main_~#t~0#1.base|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (< |c_#StackHeapBarrier| |c_ULTIMATE.start_main_~#t~0#1.base|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_181| Int) (|v_thrThread2of2ForFork0_~c~0#1_180| Int) (|v_ULTIMATE.start_main_#t~pre8#1_82| Int) (|v_thrThread2of2ForFork0_~c~0#1_179| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (= (select (store (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |v_ULTIMATE.start_main_#t~pre8#1_82|)) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_181| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_180| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_179| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |v_thrThread2of2ForFork0_~c~0#1_181| c_~next~0) (< |v_thrThread2of2ForFork0_~c~0#1_179| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_180|)) (< |v_thrThread2of2ForFork0_~c~0#1_180| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_181|))))) is different from false [2021-11-13 19:06:27,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:06:27,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:06:27,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:06:27,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-13 19:06:27,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-11-13 19:06:27,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-13 19:06:27,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-11-13 19:06:27,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:06:27,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-11-13 19:06:27,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:06:27,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-11-13 19:06:27,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:06:27,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2021-11-13 19:06:28,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:06:28,019 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:06:28,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:06:28,020 INFO L85 PathProgramCache]: Analyzing trace with hash -977844965, now seen corresponding path program 5 times [2021-11-13 19:06:28,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:06:28,021 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359991686] [2021-11-13 19:06:28,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:06:28,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:06:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:28,500 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 432 proven. 81 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 19:06:28,500 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:06:28,500 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359991686] [2021-11-13 19:06:28,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359991686] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:06:28,500 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823260334] [2021-11-13 19:06:28,501 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-13 19:06:28,501 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:06:28,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:06:28,502 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:06:28,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-11-13 19:06:28,679 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-11-13 19:06:28,679 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 19:06:28,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-13 19:06:28,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:06:29,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-13 19:06:29,255 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-13 19:06:29,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 31 [2021-11-13 19:06:29,296 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-13 19:06:29,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 15 [2021-11-13 19:06:29,339 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 459 proven. 54 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 19:06:29,339 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:06:29,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-11-13 19:06:29,928 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 432 proven. 81 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 19:06:29,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823260334] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:06:29,928 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:06:29,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 20] total 50 [2021-11-13 19:06:29,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90795240] [2021-11-13 19:06:29,929 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:06:29,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2021-11-13 19:06:29,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:06:29,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-11-13 19:06:29,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=493, Invalid=1957, Unknown=0, NotChecked=0, Total=2450 [2021-11-13 19:06:29,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:06:29,930 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:06:29,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 9.66) internal successors, (483), 50 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:06:29,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:06:29,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:06:29,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:06:29,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-13 19:06:29,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-11-13 19:06:29,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-11-13 19:06:29,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-11-13 19:06:29,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:06:29,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-11-13 19:06:29,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:06:29,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2021-11-13 19:06:29,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:06:29,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:06:31,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:06:31,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:06:31,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:06:31,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-13 19:06:31,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-11-13 19:06:31,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-13 19:06:31,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-11-13 19:06:31,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:06:31,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-11-13 19:06:31,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:06:31,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-11-13 19:06:31,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:06:31,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-13 19:06:31,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2021-11-13 19:06:31,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-11-13 19:06:31,711 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:06:31,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:06:31,713 INFO L85 PathProgramCache]: Analyzing trace with hash -787203630, now seen corresponding path program 5 times [2021-11-13 19:06:31,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:06:31,713 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331649550] [2021-11-13 19:06:31,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:06:31,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:06:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:32,160 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 459 proven. 56 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 19:06:32,160 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:06:32,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331649550] [2021-11-13 19:06:32,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331649550] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:06:32,161 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471375072] [2021-11-13 19:06:32,161 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-13 19:06:32,161 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:06:32,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:06:32,161 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:06:32,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-11-13 19:06:32,849 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-11-13 19:06:32,849 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 19:06:32,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-13 19:06:32,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:06:33,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-13 19:06:33,495 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-13 19:06:33,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-13 19:06:33,539 INFO L354 Elim1Store]: treesize reduction 53, result has 17.2 percent of original size [2021-11-13 19:06:33,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 29 [2021-11-13 19:06:33,711 INFO L354 Elim1Store]: treesize reduction 80, result has 27.9 percent of original size [2021-11-13 19:06:33,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 58 [2021-11-13 19:06:33,852 INFO L354 Elim1Store]: treesize reduction 37, result has 24.5 percent of original size [2021-11-13 19:06:33,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 43 [2021-11-13 19:06:33,905 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 459 proven. 56 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 19:06:33,905 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:06:34,631 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_193| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_193|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_193| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-13 19:06:35,478 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_193| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_193|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_193| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-13 19:06:35,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 36 [2021-11-13 19:06:36,061 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 459 proven. 54 refuted. 0 times theorem prover too weak. 15 trivial. 2 not checked. [2021-11-13 19:06:36,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [471375072] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:06:36,061 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:06:36,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 23, 22] total 57 [2021-11-13 19:06:36,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350889643] [2021-11-13 19:06:36,061 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:06:36,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2021-11-13 19:06:36,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:06:36,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-11-13 19:06:36,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=646, Invalid=2330, Unknown=2, NotChecked=214, Total=3192 [2021-11-13 19:06:36,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:06:36,065 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:06:36,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 9.175438596491228) internal successors, (523), 57 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:06:36,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:06:36,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:06:36,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:06:36,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-13 19:06:36,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-11-13 19:06:36,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-11-13 19:06:36,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-11-13 19:06:36,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:06:36,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-11-13 19:06:36,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:06:36,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2021-11-13 19:06:36,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:06:36,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-13 19:06:36,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:06:36,949 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_193| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_193|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_193| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= 10 |c_thrThread1of2ForFork0_~c~0#1|) (<= 10 |c_thrThread2of2ForFork0_~end~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:06:37,749 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_193| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_193|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_193| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 11 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:06:38,545 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_193| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_193|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_193| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 12 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:06:39,322 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_193| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_193|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_193| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (<= 13 |c_thrThread1of2ForFork0_~c~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:06:40,123 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_193| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_193|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_193| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 14 |c_thrThread1of2ForFork0_~c~0#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:06:40,905 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_193| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_193|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_193| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 15 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:06:41,683 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_193| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_193|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_193| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 16 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:06:42,499 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_193| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_193|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_193| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 17 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:06:43,306 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_193| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_193|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_193| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= 18 |c_thrThread1of2ForFork0_~c~0#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:06:44,118 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_193| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_193|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_193| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 19 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:06:44,809 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_193| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_193|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_193| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 19 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:06:45,499 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base)) (.cse2 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) (.cse1 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)))) (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_193| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_193|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_193| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= (+ 19 |c_thrThread2of2ForFork0_~c~0#1|) |c_thrThread1of2ForFork0_~c~0#1|) (= (select .cse0 .cse1) 1) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 19 |c_thrThread1of2ForFork0_~c~0#1|) (= (select .cse0 .cse2) 0) (= (select (store .cse0 .cse2 0) .cse1) 1))) is different from false [2021-11-13 19:06:46,173 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base)) (.cse1 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) (.cse2 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)))) (and (<= (+ 19 |c_thrThread2of2ForFork0_~c~0#1|) |c_thrThread1of2ForFork0_~c~0#1|) (= (select .cse0 .cse1) 1) (= (select .cse0 .cse2) 1) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 19 |c_thrThread1of2ForFork0_~c~0#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_193| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_193|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_193| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (= (select (store .cse0 .cse1 0) .cse2) 1))) is different from false [2021-11-13 19:06:46,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:06:46,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:06:46,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:06:46,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-13 19:06:46,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-11-13 19:06:46,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-13 19:06:46,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-11-13 19:06:46,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:06:46,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-11-13 19:06:46,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:06:46,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-11-13 19:06:46,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:06:46,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-13 19:06:46,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-13 19:06:46,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2021-11-13 19:06:46,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-11-13 19:06:46,395 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:06:46,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:06:46,397 INFO L85 PathProgramCache]: Analyzing trace with hash 340579337, now seen corresponding path program 6 times [2021-11-13 19:06:46,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:06:46,397 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754099070] [2021-11-13 19:06:46,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:06:46,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:06:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:46,916 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 459 proven. 70 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 19:06:46,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:06:46,916 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754099070] [2021-11-13 19:06:46,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754099070] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:06:46,917 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594605359] [2021-11-13 19:06:46,917 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-13 19:06:46,917 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:06:46,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:06:46,917 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:06:46,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2021-11-13 19:06:47,326 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-11-13 19:06:47,326 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 19:06:47,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 19:06:47,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:06:47,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-13 19:06:47,953 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-13 19:06:47,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-13 19:06:47,992 INFO L354 Elim1Store]: treesize reduction 53, result has 17.2 percent of original size [2021-11-13 19:06:47,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 29 [2021-11-13 19:06:48,159 INFO L354 Elim1Store]: treesize reduction 80, result has 27.9 percent of original size [2021-11-13 19:06:48,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 58 [2021-11-13 19:06:48,251 INFO L354 Elim1Store]: treesize reduction 100, result has 30.1 percent of original size [2021-11-13 19:06:48,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 67 treesize of output 81 [2021-11-13 19:06:48,610 INFO L354 Elim1Store]: treesize reduction 140, result has 26.3 percent of original size [2021-11-13 19:06:48,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 85 [2021-11-13 19:06:49,046 INFO L354 Elim1Store]: treesize reduction 72, result has 25.8 percent of original size [2021-11-13 19:06:49,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 87 treesize of output 71 [2021-11-13 19:06:49,105 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 459 proven. 70 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 19:06:49,105 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:06:49,824 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int)) (or (= 1 (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)))) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_197|))) is different from false [2021-11-13 19:06:50,671 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_197|))) is different from false [2021-11-13 19:06:52,703 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_198| Int)) (or (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_198| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_198|) |v_thrThread2of2ForFork0_~c~0#1_197|))) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_198|))) is different from false [2021-11-13 19:06:53,616 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int) (|v_thrThread2of2ForFork0_~c~0#1_198| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_198|) |v_thrThread2of2ForFork0_~c~0#1_197|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_198|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_198| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-13 19:06:53,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 48 [2021-11-13 19:06:54,252 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 459 proven. 54 refuted. 0 times theorem prover too weak. 15 trivial. 16 not checked. [2021-11-13 19:06:54,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594605359] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:06:54,252 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:06:54,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 26, 24] total 63 [2021-11-13 19:06:54,252 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507719458] [2021-11-13 19:06:54,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:06:54,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2021-11-13 19:06:54,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:06:54,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-11-13 19:06:54,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=755, Invalid=2679, Unknown=4, NotChecked=468, Total=3906 [2021-11-13 19:06:54,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:06:54,255 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:06:54,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 8.873015873015873) internal successors, (559), 63 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:06:54,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:06:54,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:06:54,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:06:54,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-13 19:06:54,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-11-13 19:06:54,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-11-13 19:06:54,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-11-13 19:06:54,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:06:54,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-11-13 19:06:54,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:06:54,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2021-11-13 19:06:54,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:06:54,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-13 19:06:54,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-13 19:06:54,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:06:55,246 WARN L838 $PredicateComparison]: unable to prove that (and (<= 10 |c_thrThread1of2ForFork0_~c~0#1|) (<= 10 |c_thrThread2of2ForFork0_~end~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int) (|v_thrThread2of2ForFork0_~c~0#1_198| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_198|) |v_thrThread2of2ForFork0_~c~0#1_197|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_198|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_198| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-13 19:06:56,128 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 11 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int) (|v_thrThread2of2ForFork0_~c~0#1_198| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_198|) |v_thrThread2of2ForFork0_~c~0#1_197|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_198|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_198| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-13 19:06:56,995 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 12 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int) (|v_thrThread2of2ForFork0_~c~0#1_198| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_198|) |v_thrThread2of2ForFork0_~c~0#1_197|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_198|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_198| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-13 19:06:57,885 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (<= 13 |c_thrThread1of2ForFork0_~c~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int) (|v_thrThread2of2ForFork0_~c~0#1_198| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_198|) |v_thrThread2of2ForFork0_~c~0#1_197|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_198|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_198| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-13 19:06:58,749 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 14 |c_thrThread1of2ForFork0_~c~0#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int) (|v_thrThread2of2ForFork0_~c~0#1_198| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_198|) |v_thrThread2of2ForFork0_~c~0#1_197|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_198|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_198| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-13 19:06:59,621 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 15 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int) (|v_thrThread2of2ForFork0_~c~0#1_198| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_198|) |v_thrThread2of2ForFork0_~c~0#1_197|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_198|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_198| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-13 19:07:00,484 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 16 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int) (|v_thrThread2of2ForFork0_~c~0#1_198| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_198|) |v_thrThread2of2ForFork0_~c~0#1_197|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_198|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_198| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-13 19:07:01,355 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 17 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int) (|v_thrThread2of2ForFork0_~c~0#1_198| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_198|) |v_thrThread2of2ForFork0_~c~0#1_197|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_198|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_198| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-13 19:07:02,215 WARN L838 $PredicateComparison]: unable to prove that (and (<= 18 |c_thrThread1of2ForFork0_~c~0#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int) (|v_thrThread2of2ForFork0_~c~0#1_198| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_198|) |v_thrThread2of2ForFork0_~c~0#1_197|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_198|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_198| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-13 19:07:03,093 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 19 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int) (|v_thrThread2of2ForFork0_~c~0#1_198| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_198|) |v_thrThread2of2ForFork0_~c~0#1_197|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_198|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_198| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-13 19:07:03,839 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 19 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int) (|v_thrThread2of2ForFork0_~c~0#1_198| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_198|) |v_thrThread2of2ForFork0_~c~0#1_197|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_198|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_198| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2021-11-13 19:07:04,591 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base)) (.cse2 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) (.cse1 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)))) (and (<= (+ 19 |c_thrThread2of2ForFork0_~c~0#1|) |c_thrThread1of2ForFork0_~c~0#1|) (= (select .cse0 .cse1) 1) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 19 |c_thrThread1of2ForFork0_~c~0#1|) (= (select .cse0 .cse2) 0) (= (select (store .cse0 .cse2 0) .cse1) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int) (|v_thrThread2of2ForFork0_~c~0#1_198| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_198|) |v_thrThread2of2ForFork0_~c~0#1_197|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_198|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_198| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))))) is different from false [2021-11-13 19:07:06,595 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base)) (.cse1 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) (.cse2 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)))) (and (<= (+ 19 |c_thrThread2of2ForFork0_~c~0#1|) |c_thrThread1of2ForFork0_~c~0#1|) (= (select .cse0 .cse1) 1) (= (select .cse0 .cse2) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_198| Int)) (or (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_198| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_198|) |v_thrThread2of2ForFork0_~c~0#1_197|))) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_198|))) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 19 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store .cse0 .cse1 0) .cse2) 1))) is different from false [2021-11-13 19:07:07,369 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_197|))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (exists ((|v_thrThread2of2ForFork0_~c~0#1_195| Int)) (and (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_195|) |c_thrThread1of2ForFork0_~c~0#1|) (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_195|)) (= (select (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_195| 4) c_~data~0.offset)) 1)))) is different from false [2021-11-13 19:07:08,131 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_197|))) (exists ((|v_thrThread2of2ForFork0_~c~0#1_195| Int)) (and (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_195|) |c_thrThread1of2ForFork0_~c~0#1|) (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_195|)) (or (= (* 4 |v_thrThread2of2ForFork0_~c~0#1_195|) (* 4 |c_thrThread2of2ForFork0_~c~0#1|)) (= (select (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_195| 4) c_~data~0.offset)) 1)))) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 0))) is different from false [2021-11-13 19:07:08,877 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (exists ((|v_thrThread2of2ForFork0_~c~0#1_195| Int)) (and (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_195|) |c_thrThread1of2ForFork0_~c~0#1|) (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_195|)) (= (select (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_195| 4) c_~data~0.offset)) 1))) (forall ((|v_thrThread2of2ForFork0_~c~0#1_197| Int)) (or (= 1 (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_197| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)))) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_197|))))) is different from false [2021-11-13 19:07:08,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:07:08,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:07:08,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:07:08,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-13 19:07:08,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-11-13 19:07:08,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-13 19:07:08,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-11-13 19:07:08,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:07:08,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-11-13 19:07:08,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:07:08,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-11-13 19:07:08,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:07:08,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-13 19:07:08,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-13 19:07:08,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-11-13 19:07:08,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2021-11-13 19:07:09,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-11-13 19:07:09,107 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:07:09,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:07:09,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1402262464, now seen corresponding path program 7 times [2021-11-13 19:07:09,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:07:09,109 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537393694] [2021-11-13 19:07:09,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:07:09,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:07:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:09,697 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 459 proven. 96 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 19:07:09,697 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:07:09,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537393694] [2021-11-13 19:07:09,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537393694] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:07:09,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440226666] [2021-11-13 19:07:09,697 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-13 19:07:09,697 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:07:09,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:07:09,698 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:07:09,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2021-11-13 19:07:09,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:09,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 19:07:09,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:07:10,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-13 19:07:10,375 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-13 19:07:10,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-13 19:07:10,427 INFO L354 Elim1Store]: treesize reduction 53, result has 17.2 percent of original size [2021-11-13 19:07:10,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 29 [2021-11-13 19:07:10,590 INFO L354 Elim1Store]: treesize reduction 80, result has 27.9 percent of original size [2021-11-13 19:07:10,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 58 [2021-11-13 19:07:10,685 INFO L354 Elim1Store]: treesize reduction 100, result has 30.1 percent of original size [2021-11-13 19:07:10,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 67 treesize of output 81 [2021-11-13 19:07:11,010 INFO L354 Elim1Store]: treesize reduction 140, result has 26.3 percent of original size [2021-11-13 19:07:11,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 85 [2021-11-13 19:07:11,271 INFO L354 Elim1Store]: treesize reduction 164, result has 31.1 percent of original size [2021-11-13 19:07:11,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 91 treesize of output 128 [2021-11-13 19:07:11,988 INFO L354 Elim1Store]: treesize reduction 216, result has 24.2 percent of original size [2021-11-13 19:07:11,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 80 treesize of output 112 [2021-11-13 19:07:13,141 INFO L354 Elim1Store]: treesize reduction 124, result has 23.0 percent of original size [2021-11-13 19:07:13,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 111 treesize of output 99 [2021-11-13 19:07:13,192 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 459 proven. 96 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 19:07:13,192 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:07:13,916 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_203|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-13 19:07:14,736 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_203|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-13 19:07:16,771 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int)) (or (forall ((|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_204|))) is different from false [2021-11-13 19:07:17,976 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_204|))) is different from false [2021-11-13 19:07:20,098 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_205| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_205|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_205|) |v_thrThread2of2ForFork0_~c~0#1_204|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_205| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))))) is different from false [2021-11-13 19:07:22,687 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_205| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_205|) |v_thrThread2of2ForFork0_~c~0#1_204|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_205| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_205|))) is different from false [2021-11-13 19:07:22,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 60 [2021-11-13 19:07:23,452 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 459 proven. 54 refuted. 0 times theorem prover too weak. 15 trivial. 42 not checked. [2021-11-13 19:07:23,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440226666] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:07:23,452 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:07:23,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 29, 26] total 69 [2021-11-13 19:07:23,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456065806] [2021-11-13 19:07:23,452 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:07:23,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2021-11-13 19:07:23,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:07:23,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-11-13 19:07:23,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=868, Invalid=3056, Unknown=6, NotChecked=762, Total=4692 [2021-11-13 19:07:23,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:07:23,455 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:07:23,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 8.623188405797102) internal successors, (595), 69 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:07:23,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:07:23,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:07:23,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:07:23,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-13 19:07:23,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-11-13 19:07:23,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-11-13 19:07:23,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-11-13 19:07:23,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:07:23,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-11-13 19:07:23,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:07:23,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2021-11-13 19:07:23,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:07:23,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-13 19:07:23,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-13 19:07:23,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-11-13 19:07:23,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:07:24,886 WARN L838 $PredicateComparison]: unable to prove that (and (<= 10 |c_thrThread1of2ForFork0_~c~0#1|) (<= 10 |c_thrThread2of2ForFork0_~end~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_205| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_205|) |v_thrThread2of2ForFork0_~c~0#1_204|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_205| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_205|))) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:07:25,999 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 11 |c_thrThread1of2ForFork0_~c~0#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_205| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_205|) |v_thrThread2of2ForFork0_~c~0#1_204|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_205| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_205|))) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:07:27,137 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_205| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_205|) |v_thrThread2of2ForFork0_~c~0#1_204|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_205| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_205|))) (<= 12 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:07:28,249 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (<= 13 |c_thrThread1of2ForFork0_~c~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_205| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_205|) |v_thrThread2of2ForFork0_~c~0#1_204|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_205| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_205|))) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:07:29,376 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 14 |c_thrThread1of2ForFork0_~c~0#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_205| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_205|) |v_thrThread2of2ForFork0_~c~0#1_204|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_205| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_205|))) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:07:30,959 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_205| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_205|) |v_thrThread2of2ForFork0_~c~0#1_204|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_205| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_205|))) (<= 15 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:07:32,126 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_205| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_205|) |v_thrThread2of2ForFork0_~c~0#1_204|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_205| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_205|))) (<= 16 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:07:33,694 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 17) |c_thrThread1of2ForFork0_~c~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_205| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_205|) |v_thrThread2of2ForFork0_~c~0#1_204|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_205| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_205|))) (<= 17 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:07:34,802 WARN L838 $PredicateComparison]: unable to prove that (and (<= 18 |c_thrThread1of2ForFork0_~c~0#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 18) |c_thrThread1of2ForFork0_~c~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_205| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_205|) |v_thrThread2of2ForFork0_~c~0#1_204|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_205| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_205|))) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:07:36,928 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 19 |c_thrThread1of2ForFork0_~c~0#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_205| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_205|) |v_thrThread2of2ForFork0_~c~0#1_204|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_205| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_205|))) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:07:37,910 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 19 |c_thrThread1of2ForFork0_~c~0#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_205| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_205|) |v_thrThread2of2ForFork0_~c~0#1_204|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_205| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_205|))) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:07:39,401 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base)) (.cse2 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) (.cse1 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)))) (and (<= (+ 19 |c_thrThread2of2ForFork0_~c~0#1|) |c_thrThread1of2ForFork0_~c~0#1|) (= (select .cse0 .cse1) 1) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 19 |c_thrThread1of2ForFork0_~c~0#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_205| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_205|) |v_thrThread2of2ForFork0_~c~0#1_204|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_205| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_205|))) (= (select .cse0 .cse2) 0) (= (select (store .cse0 .cse2 0) .cse1) 1))) is different from false [2021-11-13 19:07:41,406 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base)) (.cse1 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) (.cse2 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)))) (and (<= (+ 19 |c_thrThread2of2ForFork0_~c~0#1|) |c_thrThread1of2ForFork0_~c~0#1|) (= (select .cse0 .cse1) 1) (= (select .cse0 .cse2) 1) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 19 |c_thrThread1of2ForFork0_~c~0#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_205| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_205|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_205|) |v_thrThread2of2ForFork0_~c~0#1_204|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_205| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))))) (= (select (store .cse0 .cse1 0) .cse2) 1))) is different from false [2021-11-13 19:07:42,515 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_thrThread2of2ForFork0_~c~0#1_200| Int)) (and (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_200|)) (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_200|) |c_thrThread1of2ForFork0_~c~0#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_200| 4))) 1))) (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_204|))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:07:43,472 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int) (|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_204|))) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (exists ((|v_thrThread2of2ForFork0_~c~0#1_200| Int)) (and (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_200|)) (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_200|) |c_thrThread1of2ForFork0_~c~0#1|) (or (= (* 4 |c_thrThread2of2ForFork0_~c~0#1|) (* 4 |v_thrThread2of2ForFork0_~c~0#1_200|)) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_200| 4))) 1)))) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 0))) is different from false [2021-11-13 19:07:45,484 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (exists ((|v_thrThread2of2ForFork0_~c~0#1_200| Int)) (and (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_200|)) (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_200|) |c_thrThread1of2ForFork0_~c~0#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_200| 4))) 1))) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_204| Int)) (or (forall ((|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_204|) |v_thrThread2of2ForFork0_~c~0#1_203|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_204| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_204|))))) is different from false [2021-11-13 19:07:46,351 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_203|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (exists ((|v_thrThread2of2ForFork0_~c~0#1_200| Int) (|v_thrThread2of2ForFork0_~c~0#1_201| Int)) (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (<= |v_thrThread2of2ForFork0_~c~0#1_201| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_200|)) (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_201| 4))) 1) (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_201|)) (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_200|) |c_thrThread1of2ForFork0_~c~0#1|) (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_200| 4))) 1))))) is different from false [2021-11-13 19:07:47,143 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_int| c_~data~0.base))) (and (exists ((|v_thrThread2of2ForFork0_~c~0#1_200| Int) (|v_thrThread2of2ForFork0_~c~0#1_201| Int)) (let ((.cse1 (* 4 |c_thrThread2of2ForFork0_~c~0#1|)) (.cse0 (select |c_#memory_int| c_~data~0.base))) (and (<= |v_thrThread2of2ForFork0_~c~0#1_201| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_200|)) (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_201|)) (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_200|) |c_thrThread1of2ForFork0_~c~0#1|) (or (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_201| 4))) 1) (= .cse1 (* 4 |v_thrThread2of2ForFork0_~c~0#1_201|))) (or (= .cse1 (* 4 |v_thrThread2of2ForFork0_~c~0#1_200|)) (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_200| 4))) 1))))) (forall ((|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_203|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (= (select .cse2 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (= (select .cse2 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 0))) is different from false [2021-11-13 19:07:47,868 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (exists ((|v_thrThread2of2ForFork0_~c~0#1_200| Int) (|v_thrThread2of2ForFork0_~c~0#1_201| Int)) (let ((.cse1 (select |c_#memory_int| c_~data~0.base))) (and (<= |v_thrThread2of2ForFork0_~c~0#1_201| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_200|)) (= (select .cse1 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_201| 4))) 1) (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_201|)) (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_200|) |c_thrThread1of2ForFork0_~c~0#1|) (= (select .cse1 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_200| 4))) 1)))) (forall ((|v_thrThread2of2ForFork0_~c~0#1_203| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_203|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_203| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))))) is different from false [2021-11-13 19:07:47,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:07:47,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:07:47,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:07:47,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-13 19:07:47,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-11-13 19:07:47,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-13 19:07:47,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-11-13 19:07:47,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:07:47,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-11-13 19:07:47,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:07:47,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-11-13 19:07:47,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:07:47,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-13 19:07:47,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-13 19:07:47,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-11-13 19:07:47,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-11-13 19:07:47,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2021-11-13 19:07:48,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-11-13 19:07:48,095 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:07:48,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:07:48,096 INFO L85 PathProgramCache]: Analyzing trace with hash -478152457, now seen corresponding path program 8 times [2021-11-13 19:07:48,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:07:48,097 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771409087] [2021-11-13 19:07:48,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:07:48,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:07:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:48,851 INFO L134 CoverageAnalysis]: Checked inductivity of 608 backedges. 459 proven. 134 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 19:07:48,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:07:48,852 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771409087] [2021-11-13 19:07:48,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771409087] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:07:48,852 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769496086] [2021-11-13 19:07:48,852 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 19:07:48,852 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:07:48,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:07:48,853 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:07:48,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2021-11-13 19:07:48,949 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-13 19:07:48,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 19:07:48,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 19:07:48,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:07:49,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-13 19:07:49,646 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-13 19:07:49,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-13 19:07:49,700 INFO L354 Elim1Store]: treesize reduction 53, result has 17.2 percent of original size [2021-11-13 19:07:49,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 29 [2021-11-13 19:07:49,919 INFO L354 Elim1Store]: treesize reduction 80, result has 27.9 percent of original size [2021-11-13 19:07:49,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 58 [2021-11-13 19:07:50,043 INFO L354 Elim1Store]: treesize reduction 100, result has 30.1 percent of original size [2021-11-13 19:07:50,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 67 treesize of output 81 [2021-11-13 19:07:50,418 INFO L354 Elim1Store]: treesize reduction 140, result has 26.3 percent of original size [2021-11-13 19:07:50,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 85 [2021-11-13 19:07:50,666 INFO L354 Elim1Store]: treesize reduction 164, result has 31.1 percent of original size [2021-11-13 19:07:50,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 91 treesize of output 128 [2021-11-13 19:07:51,432 INFO L354 Elim1Store]: treesize reduction 216, result has 24.2 percent of original size [2021-11-13 19:07:51,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 80 treesize of output 112 [2021-11-13 19:07:52,179 INFO L354 Elim1Store]: treesize reduction 244, result has 30.1 percent of original size [2021-11-13 19:07:52,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 115 treesize of output 175 [2021-11-13 19:07:53,202 INFO L354 Elim1Store]: treesize reduction 308, result has 22.2 percent of original size [2021-11-13 19:07:53,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 96 treesize of output 139 [2021-11-13 19:07:56,519 INFO L354 Elim1Store]: treesize reduction 192, result has 20.3 percent of original size [2021-11-13 19:07:56,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 135 treesize of output 127 [2021-11-13 19:07:56,572 INFO L134 CoverageAnalysis]: Checked inductivity of 608 backedges. 459 proven. 134 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 19:07:56,573 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:07:57,313 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-13 19:07:58,272 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_211|))) is different from false [2021-11-13 19:08:00,308 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_212| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_212|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))))) is different from false [2021-11-13 19:08:02,460 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_212|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-13 19:08:04,549 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_213| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_213|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))))) is different from false [2021-11-13 19:08:06,071 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_213|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))) is different from false [2021-11-13 19:08:08,280 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_214| Int)) (or (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_214| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_214|) |v_thrThread2of2ForFork0_~c~0#1_213|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_214|))) is different from false [2021-11-13 19:08:11,024 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int) (|v_thrThread2of2ForFork0_~c~0#1_214| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_214| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_214|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_214|) |v_thrThread2of2ForFork0_~c~0#1_213|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))) is different from false [2021-11-13 19:08:11,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 72 [2021-11-13 19:08:11,864 INFO L134 CoverageAnalysis]: Checked inductivity of 608 backedges. 459 proven. 54 refuted. 0 times theorem prover too weak. 15 trivial. 80 not checked. [2021-11-13 19:08:11,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [769496086] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:08:11,864 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:08:11,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 32, 28] total 75 [2021-11-13 19:08:11,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433390349] [2021-11-13 19:08:11,864 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:08:11,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2021-11-13 19:08:11,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:08:11,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2021-11-13 19:08:11,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=985, Invalid=3461, Unknown=8, NotChecked=1096, Total=5550 [2021-11-13 19:08:11,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:08:11,868 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:08:11,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 8.413333333333334) internal successors, (631), 75 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:08:11,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:08:11,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:08:11,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:08:11,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-13 19:08:11,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-11-13 19:08:11,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-11-13 19:08:11,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-11-13 19:08:11,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:08:11,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-11-13 19:08:11,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:08:11,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2021-11-13 19:08:11,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:08:11,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-13 19:08:11,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-13 19:08:11,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-11-13 19:08:11,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-11-13 19:08:11,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:08:13,140 WARN L838 $PredicateComparison]: unable to prove that (and (<= 10 |c_thrThread1of2ForFork0_~c~0#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int) (|v_thrThread2of2ForFork0_~c~0#1_214| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_214| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_214|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_214|) |v_thrThread2of2ForFork0_~c~0#1_213|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))) (<= 10 |c_thrThread2of2ForFork0_~end~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:08:14,264 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int) (|v_thrThread2of2ForFork0_~c~0#1_214| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_214| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_214|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_214|) |v_thrThread2of2ForFork0_~c~0#1_213|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 11 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:08:15,425 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int) (|v_thrThread2of2ForFork0_~c~0#1_214| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_214| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_214|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_214|) |v_thrThread2of2ForFork0_~c~0#1_213|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 12 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:08:16,556 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int) (|v_thrThread2of2ForFork0_~c~0#1_214| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_214| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_214|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_214|) |v_thrThread2of2ForFork0_~c~0#1_213|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (<= 13 |c_thrThread1of2ForFork0_~c~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:08:17,668 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= 14 |c_thrThread1of2ForFork0_~c~0#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int) (|v_thrThread2of2ForFork0_~c~0#1_214| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_214| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_214|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_214|) |v_thrThread2of2ForFork0_~c~0#1_213|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:08:18,814 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int) (|v_thrThread2of2ForFork0_~c~0#1_214| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_214| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_214|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_214|) |v_thrThread2of2ForFork0_~c~0#1_213|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 15 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:08:19,954 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 16 |c_thrThread2of2ForFork0_~c~0#1|) |c_thrThread1of2ForFork0_~c~0#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int) (|v_thrThread2of2ForFork0_~c~0#1_214| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_214| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_214|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_214|) |v_thrThread2of2ForFork0_~c~0#1_213|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 16 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:08:21,112 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int) (|v_thrThread2of2ForFork0_~c~0#1_214| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_214| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_214|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_214|) |v_thrThread2of2ForFork0_~c~0#1_213|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 17) |c_thrThread1of2ForFork0_~c~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 17 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:08:22,260 WARN L838 $PredicateComparison]: unable to prove that (and (<= 18 |c_thrThread1of2ForFork0_~c~0#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int) (|v_thrThread2of2ForFork0_~c~0#1_214| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_214| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_214|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_214|) |v_thrThread2of2ForFork0_~c~0#1_213|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 18) |c_thrThread1of2ForFork0_~c~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:08:23,431 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int) (|v_thrThread2of2ForFork0_~c~0#1_214| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_214| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_214|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_214|) |v_thrThread2of2ForFork0_~c~0#1_213|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 19 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:08:24,479 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int) (|v_thrThread2of2ForFork0_~c~0#1_214| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_214| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_214|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_214|) |v_thrThread2of2ForFork0_~c~0#1_213|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 19 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:08:25,521 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base)) (.cse2 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) (.cse1 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)))) (and (<= (+ 19 |c_thrThread2of2ForFork0_~c~0#1|) |c_thrThread1of2ForFork0_~c~0#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int) (|v_thrThread2of2ForFork0_~c~0#1_214| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_214| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_214|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_214|) |v_thrThread2of2ForFork0_~c~0#1_213|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))) (= (select .cse0 .cse1) 1) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 19 |c_thrThread1of2ForFork0_~c~0#1|) (= (select .cse0 .cse2) 0) (= (select (store .cse0 .cse2 0) .cse1) 1))) is different from false [2021-11-13 19:08:27,527 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base)) (.cse1 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) (.cse2 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)))) (and (<= (+ 19 |c_thrThread2of2ForFork0_~c~0#1|) |c_thrThread1of2ForFork0_~c~0#1|) (= (select .cse0 .cse1) 1) (= (select .cse0 .cse2) 1) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= 19 |c_thrThread1of2ForFork0_~c~0#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_214| Int)) (or (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_214| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_214|) |v_thrThread2of2ForFork0_~c~0#1_213|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_214|))) (= (select (store .cse0 .cse1 0) .cse2) 1))) is different from false [2021-11-13 19:08:29,542 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_thrThread2of2ForFork0_~c~0#1_207| Int)) (and (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_207|) |c_thrThread1of2ForFork0_~c~0#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_207| 4))) 1) (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_207|)))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_213|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|)))) is different from false [2021-11-13 19:08:30,620 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int) (|v_thrThread2of2ForFork0_~c~0#1_213| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_213|) (= (select (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 0) (exists ((|v_thrThread2of2ForFork0_~c~0#1_207| Int)) (and (or (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_207| 4))) 1) (= (* 4 |v_thrThread2of2ForFork0_~c~0#1_207|) (* 4 |c_thrThread2of2ForFork0_~c~0#1|))) (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_207|) |c_thrThread1of2ForFork0_~c~0#1|) (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_207|)))))) is different from false [2021-11-13 19:08:32,625 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_213| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_213|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_213| 4) c_~data~0.offset) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_213|) |v_thrThread2of2ForFork0_~c~0#1_212|))))) (exists ((|v_thrThread2of2ForFork0_~c~0#1_207| Int)) (and (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_207|) |c_thrThread1of2ForFork0_~c~0#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_207| 4))) 1) (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_207|)))) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-13 19:08:34,647 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_thrThread2of2ForFork0_~c~0#1_208| Int) (|v_thrThread2of2ForFork0_~c~0#1_207| Int)) (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_208|)) (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_207|) |c_thrThread1of2ForFork0_~c~0#1|) (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_207| 4))) 1) (<= |v_thrThread2of2ForFork0_~c~0#1_208| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_207|)) (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_208| 4))) 1)))) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_212|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-13 19:08:35,761 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_int| c_~data~0.base))) (and (exists ((|v_thrThread2of2ForFork0_~c~0#1_208| Int) (|v_thrThread2of2ForFork0_~c~0#1_207| Int)) (let ((.cse0 (select |c_#memory_int| c_~data~0.base)) (.cse1 (* 4 |c_thrThread2of2ForFork0_~c~0#1|))) (and (or (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_207| 4))) 1) (= (* 4 |v_thrThread2of2ForFork0_~c~0#1_207|) .cse1)) (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_208|)) (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_207|) |c_thrThread1of2ForFork0_~c~0#1|) (<= |v_thrThread2of2ForFork0_~c~0#1_208| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_207|)) (or (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_208| 4))) 1) (= (* 4 |v_thrThread2of2ForFork0_~c~0#1_208|) .cse1))))) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int) (|v_thrThread2of2ForFork0_~c~0#1_212| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_212|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (= (select .cse2 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (= (select .cse2 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 0))) is different from false [2021-11-13 19:08:37,767 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| c_~data~0.base))) (and (exists ((|v_thrThread2of2ForFork0_~c~0#1_208| Int) (|v_thrThread2of2ForFork0_~c~0#1_207| Int)) (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_208|)) (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_207|) |c_thrThread1of2ForFork0_~c~0#1|) (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_207| 4))) 1) (<= |v_thrThread2of2ForFork0_~c~0#1_208| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_207|)) (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_208| 4))) 1)))) (forall ((|v_thrThread2of2ForFork0_~c~0#1_212| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_212|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_212|) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_212| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))))) (= (select .cse1 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (= (select .cse1 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-13 19:08:38,728 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_thrThread2of2ForFork0_~c~0#1_208| Int) (|v_thrThread2of2ForFork0_~c~0#1_209| Int) (|v_thrThread2of2ForFork0_~c~0#1_207| Int)) (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_207|) |c_thrThread1of2ForFork0_~c~0#1|) (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_207| 4))) 1) (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_209|)) (<= |v_thrThread2of2ForFork0_~c~0#1_208| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_207|)) (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_208| 4))) 1) (<= |v_thrThread2of2ForFork0_~c~0#1_209| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_208|)) (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_209| 4))) 1)))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_211|)))) is different from false [2021-11-13 19:08:39,785 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_int| c_~data~0.base))) (and (exists ((|v_thrThread2of2ForFork0_~c~0#1_208| Int) (|v_thrThread2of2ForFork0_~c~0#1_209| Int) (|v_thrThread2of2ForFork0_~c~0#1_207| Int)) (let ((.cse0 (select |c_#memory_int| c_~data~0.base)) (.cse1 (* 4 |c_thrThread2of2ForFork0_~c~0#1|))) (and (or (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_207| 4))) 1) (= (* 4 |v_thrThread2of2ForFork0_~c~0#1_207|) .cse1)) (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_207|) |c_thrThread1of2ForFork0_~c~0#1|) (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_209|)) (or (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_209| 4))) 1) (= .cse1 (* 4 |v_thrThread2of2ForFork0_~c~0#1_209|))) (<= |v_thrThread2of2ForFork0_~c~0#1_208| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_207|)) (<= |v_thrThread2of2ForFork0_~c~0#1_209| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_208|)) (or (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_208| 4))) 1) (= (* 4 |v_thrThread2of2ForFork0_~c~0#1_208|) .cse1))))) (= (select .cse2 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (= (select .cse2 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 0) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_211|))))) is different from false [2021-11-13 19:08:40,650 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread2of2ForFork0_~c~0#1_211| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_211|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_211| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (exists ((|v_thrThread2of2ForFork0_~c~0#1_208| Int) (|v_thrThread2of2ForFork0_~c~0#1_209| Int) (|v_thrThread2of2ForFork0_~c~0#1_207| Int)) (let ((.cse1 (select |c_#memory_int| c_~data~0.base))) (and (<= (+ 19 |v_thrThread2of2ForFork0_~c~0#1_207|) |c_thrThread1of2ForFork0_~c~0#1|) (= (select .cse1 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_207| 4))) 1) (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_209|)) (<= |v_thrThread2of2ForFork0_~c~0#1_208| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_207|)) (= (select .cse1 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_208| 4))) 1) (<= |v_thrThread2of2ForFork0_~c~0#1_209| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_208|)) (= (select .cse1 (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_209| 4))) 1)))) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-13 19:08:40,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:08:40,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:08:40,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 19:08:40,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-13 19:08:40,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-11-13 19:08:40,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-13 19:08:40,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-11-13 19:08:40,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:08:40,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-11-13 19:08:40,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:08:40,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-11-13 19:08:40,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:08:40,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-13 19:08:40,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-13 19:08:40,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-11-13 19:08:40,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-11-13 19:08:40,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-11-13 19:08:40,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2021-11-13 19:08:40,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-11-13 19:08:40,880 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:08:40,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:08:40,881 INFO L85 PathProgramCache]: Analyzing trace with hash 419562414, now seen corresponding path program 9 times [2021-11-13 19:08:40,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:08:40,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437895927] [2021-11-13 19:08:40,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:08:40,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:08:40,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:08:41,670 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 459 proven. 184 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 19:08:41,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:08:41,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437895927] [2021-11-13 19:08:41,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437895927] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:08:41,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538454948] [2021-11-13 19:08:41,671 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 19:08:41,671 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:08:41,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:08:41,671 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:08:41,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e4980-6891-4cd7-9735-188bb8b8a62c/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2021-11-13 19:08:42,841 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-11-13 19:08:42,841 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 19:08:42,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-13 19:08:42,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:08:43,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-13 19:08:43,455 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-13 19:08:43,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-13 19:08:43,499 INFO L354 Elim1Store]: treesize reduction 53, result has 17.2 percent of original size [2021-11-13 19:08:43,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 29 [2021-11-13 19:08:43,643 INFO L354 Elim1Store]: treesize reduction 92, result has 20.7 percent of original size [2021-11-13 19:08:43,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 41 [2021-11-13 19:08:43,700 INFO L354 Elim1Store]: treesize reduction 125, result has 16.1 percent of original size [2021-11-13 19:08:43,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 50 treesize of output 44 [2021-11-13 19:08:43,895 INFO L354 Elim1Store]: treesize reduction 166, result has 17.8 percent of original size [2021-11-13 19:08:43,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 56 [2021-11-13 19:08:43,972 INFO L354 Elim1Store]: treesize reduction 216, result has 14.3 percent of original size [2021-11-13 19:08:43,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 62 treesize of output 59 [2021-11-13 19:08:44,230 INFO L354 Elim1Store]: treesize reduction 258, result has 15.7 percent of original size [2021-11-13 19:08:44,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 63 treesize of output 71 [2021-11-13 19:08:44,330 INFO L354 Elim1Store]: treesize reduction 325, result has 12.9 percent of original size [2021-11-13 19:08:44,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 74 treesize of output 74 [2021-11-13 19:08:44,700 INFO L354 Elim1Store]: treesize reduction 323, result has 23.1 percent of original size [2021-11-13 19:08:44,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 84 treesize of output 133 [2021-11-13 19:08:45,070 INFO L354 Elim1Store]: treesize reduction 352, result has 30.0 percent of original size [2021-11-13 19:08:45,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 133 treesize of output 228 [2021-11-13 19:08:45,880 INFO L354 Elim1Store]: treesize reduction 434, result has 21.1 percent of original size [2021-11-13 19:08:45,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 100 treesize of output 160 [2021-11-13 19:08:49,354 INFO L354 Elim1Store]: treesize reduction 288, result has 18.9 percent of original size [2021-11-13 19:08:49,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 153 treesize of output 152 [2021-11-13 19:08:49,418 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 459 proven. 184 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 19:08:49,418 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:08:50,156 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_221| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_221| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_221|))) is different from false [2021-11-13 19:08:51,053 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_221| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_221|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_221| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-13 19:08:53,088 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_222| Int)) (or (forall ((|v_thrThread2of2ForFork0_~c~0#1_221| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_222| 4) c_~data~0.offset) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_221| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_222|) |v_thrThread2of2ForFork0_~c~0#1_221|))) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_222|))) is different from false [2021-11-13 19:08:54,349 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_222| Int) (|v_thrThread2of2ForFork0_~c~0#1_221| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_222|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_222|) |v_thrThread2of2ForFork0_~c~0#1_221|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_222| 4) c_~data~0.offset) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_221| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-13 19:08:56,403 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_222| Int) (|v_thrThread2of2ForFork0_~c~0#1_221| Int)) (or (< (+ 2 |c_thrThread2of2ForFork0_~c~0#1|) |v_thrThread2of2ForFork0_~c~0#1_222|) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_222|) |v_thrThread2of2ForFork0_~c~0#1_221|) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4) 4) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_222| 4) c_~data~0.offset) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_221| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false