/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/weaver/chl/name-comparator-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-06 16:17:25,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-06 16:17:25,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-06 16:17:25,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-06 16:17:25,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-06 16:17:25,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-06 16:17:25,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-06 16:17:25,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-06 16:17:25,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-06 16:17:25,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-06 16:17:25,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-06 16:17:25,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-06 16:17:25,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-06 16:17:25,251 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-06 16:17:25,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-06 16:17:25,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-06 16:17:25,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-06 16:17:25,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-06 16:17:25,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-06 16:17:25,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-06 16:17:25,270 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-10-06 16:17:25,300 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-06 16:17:25,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-06 16:17:25,300 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-06 16:17:25,301 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-06 16:17:25,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-06 16:17:25,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-06 16:17:25,302 INFO L138 SettingsManager]: * Use SBE=true [2021-10-06 16:17:25,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-06 16:17:25,303 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-06 16:17:25,303 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-06 16:17:25,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-06 16:17:25,304 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-06 16:17:25,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-06 16:17:25,304 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-06 16:17:25,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-06 16:17:25,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-06 16:17:25,305 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-06 16:17:25,305 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-06 16:17:25,305 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-06 16:17:25,305 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-06 16:17:25,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-06 16:17:25,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-06 16:17:25,306 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-06 16:17:25,306 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-06 16:17:25,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-06 16:17:25,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-06 16:17:25,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-06 16:17:25,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-06 16:17:25,307 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-06 16:17:25,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-06 16:17:25,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-06 16:17:25,308 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-06 16:17:25,308 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:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-06 16:17:25,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-06 16:17:25,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-06 16:17:25,822 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-06 16:17:25,824 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-06 16:17:25,825 INFO L275 PluginConnector]: CDTParser initialized [2021-10-06 16:17:25,826 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl/name-comparator-trans.wvr.c [2021-10-06 16:17:25,902 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/82e68b5fd/e552fd33eb254e9db821639cee68c6ee/FLAG07635ec4e [2021-10-06 16:17:26,543 INFO L306 CDTParser]: Found 1 translation units. [2021-10-06 16:17:26,543 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl/name-comparator-trans.wvr.c [2021-10-06 16:17:26,555 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/82e68b5fd/e552fd33eb254e9db821639cee68c6ee/FLAG07635ec4e [2021-10-06 16:17:26,900 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/82e68b5fd/e552fd33eb254e9db821639cee68c6ee [2021-10-06 16:17:26,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-06 16:17:26,914 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-06 16:17:26,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-06 16:17:26,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-06 16:17:26,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-06 16:17:26,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 04:17:26" (1/1) ... [2021-10-06 16:17:26,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1df0cd6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:26, skipping insertion in model container [2021-10-06 16:17:26,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 04:17:26" (1/1) ... [2021-10-06 16:17:26,939 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-06 16:17:26,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-06 16:17:27,192 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl/name-comparator-trans.wvr.c[5118,5131] [2021-10-06 16:17:27,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 16:17:27,209 INFO L203 MainTranslator]: Completed pre-run [2021-10-06 16:17:27,250 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl/name-comparator-trans.wvr.c[5118,5131] [2021-10-06 16:17:27,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 16:17:27,273 INFO L208 MainTranslator]: Completed translation [2021-10-06 16:17:27,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:27 WrapperNode [2021-10-06 16:17:27,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-06 16:17:27,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-06 16:17:27,278 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-06 16:17:27,278 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-06 16:17:27,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:27" (1/1) ... [2021-10-06 16:17:27,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:27" (1/1) ... [2021-10-06 16:17:27,341 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-06 16:17:27,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-06 16:17:27,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-06 16:17:27,342 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-06 16:17:27,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:27" (1/1) ... [2021-10-06 16:17:27,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:27" (1/1) ... [2021-10-06 16:17:27,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:27" (1/1) ... [2021-10-06 16:17:27,367 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:27" (1/1) ... [2021-10-06 16:17:27,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:27" (1/1) ... [2021-10-06 16:17:27,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:27" (1/1) ... [2021-10-06 16:17:27,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:27" (1/1) ... [2021-10-06 16:17:27,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-06 16:17:27,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-06 16:17:27,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-06 16:17:27,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-06 16:17:27,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:27" (1/1) ... [2021-10-06 16:17:27,446 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-06 16:17:27,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:17:27,475 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-06 16:17:27,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-06 16:17:27,533 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-06 16:17:27,533 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-06 16:17:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-06 16:17:27,534 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-06 16:17:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-06 16:17:27,534 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-06 16:17:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-06 16:17:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-06 16:17:27,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-06 16:17:27,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-06 16:17:27,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-06 16:17:27,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-06 16:17:27,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-06 16:17:27,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-06 16:17:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-06 16:17:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-06 16:17:27,538 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-06 16:17:29,131 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-06 16:17:29,131 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-10-06 16:17:29,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 04:17:29 BoogieIcfgContainer [2021-10-06 16:17:29,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-06 16:17:29,136 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-06 16:17:29,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-06 16:17:29,140 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-06 16:17:29,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 04:17:26" (1/3) ... [2021-10-06 16:17:29,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2832ec66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 04:17:29, skipping insertion in model container [2021-10-06 16:17:29,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:27" (2/3) ... [2021-10-06 16:17:29,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2832ec66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 04:17:29, skipping insertion in model container [2021-10-06 16:17:29,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 04:17:29" (3/3) ... [2021-10-06 16:17:29,144 INFO L111 eAbstractionObserver]: Analyzing ICFG name-comparator-trans.wvr.c [2021-10-06 16:17:29,150 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-06 16:17:29,151 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-06 16:17:29,151 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2021-10-06 16:17:29,151 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-06 16:17:29,196 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,197 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,197 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,197 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,198 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,198 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,198 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,198 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,199 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,199 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,199 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,199 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,200 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,200 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,200 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,200 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,201 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,201 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,201 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,201 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,202 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,202 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,202 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,202 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,203 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,203 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,203 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,203 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,204 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,204 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,204 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,204 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,205 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,205 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,205 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,205 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,205 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,206 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,206 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,206 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,206 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,206 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,207 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,207 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,207 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,207 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,207 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,208 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,208 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,208 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,208 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,208 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,209 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,209 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,210 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,210 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,210 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,210 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,210 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,211 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,211 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,211 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,212 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,212 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,212 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,212 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,213 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,213 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,213 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,213 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,214 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,214 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,214 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,215 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,215 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,215 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,215 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,215 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,217 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,217 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,217 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,217 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,218 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,218 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,218 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,219 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,219 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,219 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,219 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,219 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,220 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,220 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,220 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,221 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,221 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,221 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,221 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,222 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,222 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,222 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,222 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,223 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,223 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,223 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,223 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,224 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,224 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,224 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,224 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,224 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,225 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,225 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,225 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,225 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,225 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,225 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,226 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,226 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,226 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,226 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,226 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,227 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,227 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,227 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,227 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,228 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,228 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,228 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,228 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,228 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,229 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,229 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,229 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,230 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,230 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,230 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,230 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,230 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,231 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,231 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,232 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,232 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,232 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,232 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,232 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,233 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,233 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,233 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,234 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,234 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,234 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,234 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,234 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,235 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,235 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,235 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,236 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,237 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,237 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,237 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,237 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,238 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,238 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,238 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,238 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,239 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,239 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,239 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,239 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,240 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,240 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,240 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,241 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,241 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,241 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,241 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,241 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,242 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,242 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,242 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,243 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,243 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,243 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,243 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,243 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,244 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,244 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,244 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,244 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,244 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,244 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,245 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,245 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,245 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,245 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,245 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,246 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,246 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,246 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,246 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,246 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,246 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,247 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,247 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,247 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,247 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,247 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,248 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,248 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,248 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,253 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,254 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,254 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,254 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,254 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,254 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,255 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,255 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,255 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,256 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,256 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,256 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,256 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,256 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,257 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,257 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,257 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,258 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,258 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,258 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,258 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,258 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,259 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,259 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,263 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,263 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,264 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,264 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,264 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,265 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,265 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,265 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,265 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,265 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,266 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,266 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,266 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,266 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,268 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,269 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,269 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,269 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,269 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,270 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,270 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,270 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,270 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,270 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,271 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,271 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,271 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,271 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,273 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,273 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,274 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,274 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,274 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,274 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,274 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,275 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,275 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,275 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,275 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,275 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,276 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,276 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:29,283 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-06 16:17:29,338 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-06 16:17:29,347 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-10-06 16:17:29,347 INFO L340 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2021-10-06 16:17:29,373 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-06 16:17:29,385 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 193 places, 193 transitions, 410 flow [2021-10-06 16:17:29,388 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 193 places, 193 transitions, 410 flow [2021-10-06 16:17:29,390 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 193 places, 193 transitions, 410 flow [2021-10-06 16:17:29,529 INFO L129 PetriNetUnfolder]: 10/190 cut-off events. [2021-10-06 16:17:29,530 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-06 16:17:29,537 INFO L84 FinitePrefix]: Finished finitePrefix Result has 203 conditions, 190 events. 10/190 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 166 event pairs, 0 based on Foata normal form. 0/164 useless extension candidates. Maximal degree in co-relation 154. Up to 2 conditions per place. [2021-10-06 16:17:29,542 INFO L116 LiptonReduction]: Number of co-enabled transitions 2184 [2021-10-06 16:17:43,877 INFO L131 LiptonReduction]: Checked pairs total: 2505 [2021-10-06 16:17:43,878 INFO L133 LiptonReduction]: Total number of compositions: 185 [2021-10-06 16:17:43,889 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 43 transitions, 110 flow [2021-10-06 16:17:43,961 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 911 states, 783 states have (on average 3.8773946360153255) internal successors, (3036), 910 states have internal predecessors, (3036), 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) [2021-10-06 16:17:43,968 INFO L276 IsEmpty]: Start isEmpty. Operand has 911 states, 783 states have (on average 3.8773946360153255) internal successors, (3036), 910 states have internal predecessors, (3036), 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) [2021-10-06 16:17:43,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2021-10-06 16:17:43,974 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:43,975 INFO L512 BasicCegarLoop]: trace histogram [1] [2021-10-06 16:17:43,975 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:43,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:43,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1199, now seen corresponding path program 1 times [2021-10-06 16:17:43,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:43,993 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658768638] [2021-10-06 16:17:43,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:43,995 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:44,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:17:44,109 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:17:44,109 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658768638] [2021-10-06 16:17:44,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658768638] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:17:44,111 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:17:44,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2021-10-06 16:17:44,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805192226] [2021-10-06 16:17:44,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-06 16:17:44,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:17:44,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-06 16:17:44,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-06 16:17:44,142 INFO L87 Difference]: Start difference. First operand has 911 states, 783 states have (on average 3.8773946360153255) internal successors, (3036), 910 states have internal predecessors, (3036), 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) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2021-10-06 16:17:44,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 16:17:44,200 INFO L93 Difference]: Finished difference Result 599 states and 1981 transitions. [2021-10-06 16:17:44,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:17:44,202 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) Word has length 1 [2021-10-06 16:17:44,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 16:17:44,240 INFO L225 Difference]: With dead ends: 599 [2021-10-06 16:17:44,240 INFO L226 Difference]: Without dead ends: 599 [2021-10-06 16:17:44,242 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-06 16:17:44,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2021-10-06 16:17:44,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 599. [2021-10-06 16:17:44,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 534 states have (on average 3.709737827715356) internal successors, (1981), 598 states have internal predecessors, (1981), 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) [2021-10-06 16:17:44,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 1981 transitions. [2021-10-06 16:17:44,369 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 1981 transitions. Word has length 1 [2021-10-06 16:17:44,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 16:17:44,372 INFO L470 AbstractCegarLoop]: Abstraction has 599 states and 1981 transitions. [2021-10-06 16:17:44,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2021-10-06 16:17:44,372 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 1981 transitions. [2021-10-06 16:17:44,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-06 16:17:44,373 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:44,373 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-06 16:17:44,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-06 16:17:44,374 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:44,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:44,375 INFO L82 PathProgramCache]: Analyzing trace with hash 38276, now seen corresponding path program 1 times [2021-10-06 16:17:44,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:44,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153618866] [2021-10-06 16:17:44,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:44,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:44,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:44,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:17:44,526 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:17:44,527 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153618866] [2021-10-06 16:17:44,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153618866] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:17:44,527 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:17:44,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-06 16:17:44,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345874057] [2021-10-06 16:17:44,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-06 16:17:44,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:17:44,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-06 16:17:44,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-06 16:17:44,543 INFO L87 Difference]: Start difference. First operand 599 states and 1981 transitions. Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2021-10-06 16:17:44,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 16:17:44,589 INFO L93 Difference]: Finished difference Result 1195 states and 3959 transitions. [2021-10-06 16:17:44,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-06 16:17:44,590 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) Word has length 2 [2021-10-06 16:17:44,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 16:17:44,603 INFO L225 Difference]: With dead ends: 1195 [2021-10-06 16:17:44,603 INFO L226 Difference]: Without dead ends: 1195 [2021-10-06 16:17:44,604 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-06 16:17:44,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1195 states. [2021-10-06 16:17:44,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1195 to 600. [2021-10-06 16:17:44,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 535 states have (on average 3.7065420560747664) internal successors, (1983), 599 states have internal predecessors, (1983), 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) [2021-10-06 16:17:44,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 1983 transitions. [2021-10-06 16:17:44,647 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 1983 transitions. Word has length 2 [2021-10-06 16:17:44,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 16:17:44,648 INFO L470 AbstractCegarLoop]: Abstraction has 600 states and 1983 transitions. [2021-10-06 16:17:44,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2021-10-06 16:17:44,648 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 1983 transitions. [2021-10-06 16:17:44,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-06 16:17:44,648 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:44,649 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-06 16:17:44,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-06 16:17:44,649 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:44,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:44,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1188128, now seen corresponding path program 1 times [2021-10-06 16:17:44,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:44,651 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755257925] [2021-10-06 16:17:44,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:44,651 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:44,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:17:44,733 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:17:44,733 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755257925] [2021-10-06 16:17:44,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755257925] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:17:44,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665464073] [2021-10-06 16:17:44,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:44,734 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:17:44,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:17:44,741 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 16:17:44,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-06 16:17:44,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:44,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-06 16:17:44,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:17:44,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:17:44,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665464073] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:17:44,917 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 16:17:44,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 3 [2021-10-06 16:17:44,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720517310] [2021-10-06 16:17:44,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-06 16:17:44,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:17:44,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-06 16:17:44,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-06 16:17:44,920 INFO L87 Difference]: Start difference. First operand 600 states and 1983 transitions. Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2021-10-06 16:17:44,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 16:17:44,977 INFO L93 Difference]: Finished difference Result 1791 states and 5938 transitions. [2021-10-06 16:17:44,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:17:44,978 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) Word has length 3 [2021-10-06 16:17:44,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 16:17:45,026 INFO L225 Difference]: With dead ends: 1791 [2021-10-06 16:17:45,027 INFO L226 Difference]: Without dead ends: 1791 [2021-10-06 16:17:45,030 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.8ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-06 16:17:45,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1791 states. [2021-10-06 16:17:45,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1791 to 601. [2021-10-06 16:17:45,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 536 states have (on average 3.705223880597015) internal successors, (1986), 600 states have internal predecessors, (1986), 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) [2021-10-06 16:17:45,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 1986 transitions. [2021-10-06 16:17:45,114 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 1986 transitions. Word has length 3 [2021-10-06 16:17:45,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 16:17:45,115 INFO L470 AbstractCegarLoop]: Abstraction has 601 states and 1986 transitions. [2021-10-06 16:17:45,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2021-10-06 16:17:45,115 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1986 transitions. [2021-10-06 16:17:45,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-06 16:17:45,115 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:45,116 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-06 16:17:45,172 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-10-06 16:17:45,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:17:45,330 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:45,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:45,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1188141, now seen corresponding path program 1 times [2021-10-06 16:17:45,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:45,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99951353] [2021-10-06 16:17:45,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:45,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:45,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:45,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:17:45,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:17:45,438 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99951353] [2021-10-06 16:17:45,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99951353] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:17:45,439 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892152082] [2021-10-06 16:17:45,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:45,439 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:17:45,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:17:45,450 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 16:17:45,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-06 16:17:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:45,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-06 16:17:45,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:17:45,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:17:45,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1892152082] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:17:45,546 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-06 16:17:45,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2021-10-06 16:17:45,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453829362] [2021-10-06 16:17:45,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-06 16:17:45,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:17:45,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-06 16:17:45,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-06 16:17:45,549 INFO L87 Difference]: Start difference. First operand 601 states and 1986 transitions. Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2021-10-06 16:17:45,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 16:17:45,582 INFO L93 Difference]: Finished difference Result 1195 states and 3960 transitions. [2021-10-06 16:17:45,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:17:45,583 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) Word has length 3 [2021-10-06 16:17:45,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 16:17:45,595 INFO L225 Difference]: With dead ends: 1195 [2021-10-06 16:17:45,595 INFO L226 Difference]: Without dead ends: 1195 [2021-10-06 16:17:45,596 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-06 16:17:45,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1195 states. [2021-10-06 16:17:45,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1195 to 600. [2021-10-06 16:17:45,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 536 states have (on average 3.701492537313433) internal successors, (1984), 599 states have internal predecessors, (1984), 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) [2021-10-06 16:17:45,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 1984 transitions. [2021-10-06 16:17:45,632 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 1984 transitions. Word has length 3 [2021-10-06 16:17:45,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 16:17:45,632 INFO L470 AbstractCegarLoop]: Abstraction has 600 states and 1984 transitions. [2021-10-06 16:17:45,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2021-10-06 16:17:45,633 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 1984 transitions. [2021-10-06 16:17:45,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-06 16:17:45,633 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:45,634 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1] [2021-10-06 16:17:45,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-06 16:17:45,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:17:45,848 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:45,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:45,849 INFO L82 PathProgramCache]: Analyzing trace with hash 36833540, now seen corresponding path program 2 times [2021-10-06 16:17:45,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:45,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903081808] [2021-10-06 16:17:45,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:45,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:45,907 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:17:45,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:17:45,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903081808] [2021-10-06 16:17:45,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903081808] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:17:45,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649148850] [2021-10-06 16:17:45,908 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-06 16:17:45,909 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:17:45,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:17:45,914 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 16:17:45,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-06 16:17:45,984 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-06 16:17:45,984 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-06 16:17:45,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-06 16:17:45,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:17:46,005 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-06 16:17:46,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [649148850] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:17:46,006 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-06 16:17:46,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2021-10-06 16:17:46,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780330999] [2021-10-06 16:17:46,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-06 16:17:46,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:17:46,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-06 16:17:46,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-06 16:17:46,008 INFO L87 Difference]: Start difference. First operand 600 states and 1984 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-10-06 16:17:46,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 16:17:46,020 INFO L93 Difference]: Finished difference Result 599 states and 1983 transitions. [2021-10-06 16:17:46,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-06 16:17:46,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) Word has length 4 [2021-10-06 16:17:46,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 16:17:46,027 INFO L225 Difference]: With dead ends: 599 [2021-10-06 16:17:46,027 INFO L226 Difference]: Without dead ends: 599 [2021-10-06 16:17:46,028 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 11.4ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-06 16:17:46,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2021-10-06 16:17:46,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 597. [2021-10-06 16:17:46,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 534 states have (on average 3.7059925093632957) internal successors, (1979), 596 states have internal predecessors, (1979), 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) [2021-10-06 16:17:46,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 1979 transitions. [2021-10-06 16:17:46,054 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 1979 transitions. Word has length 4 [2021-10-06 16:17:46,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 16:17:46,054 INFO L470 AbstractCegarLoop]: Abstraction has 597 states and 1979 transitions. [2021-10-06 16:17:46,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-10-06 16:17:46,055 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1979 transitions. [2021-10-06 16:17:46,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-06 16:17:46,055 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:46,055 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-06 16:17:46,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-06 16:17:46,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:17:46,270 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:46,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:46,272 INFO L82 PathProgramCache]: Analyzing trace with hash 1141193522, now seen corresponding path program 1 times [2021-10-06 16:17:46,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:46,272 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769785008] [2021-10-06 16:17:46,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:46,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:46,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:17:46,358 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:17:46,358 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769785008] [2021-10-06 16:17:46,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769785008] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:17:46,358 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:17:46,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-06 16:17:46,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47594452] [2021-10-06 16:17:46,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-06 16:17:46,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:17:46,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-06 16:17:46,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-06 16:17:46,360 INFO L87 Difference]: Start difference. First operand 597 states and 1979 transitions. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 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) [2021-10-06 16:17:46,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 16:17:46,375 INFO L93 Difference]: Finished difference Result 598 states and 1980 transitions. [2021-10-06 16:17:46,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-06 16:17:46,376 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 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) Word has length 5 [2021-10-06 16:17:46,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 16:17:46,382 INFO L225 Difference]: With dead ends: 598 [2021-10-06 16:17:46,382 INFO L226 Difference]: Without dead ends: 598 [2021-10-06 16:17:46,383 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-06 16:17:46,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2021-10-06 16:17:46,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 598. [2021-10-06 16:17:46,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 535 states have (on average 3.7009345794392523) internal successors, (1980), 597 states have internal predecessors, (1980), 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) [2021-10-06 16:17:46,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 1980 transitions. [2021-10-06 16:17:46,409 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 1980 transitions. Word has length 5 [2021-10-06 16:17:46,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 16:17:46,409 INFO L470 AbstractCegarLoop]: Abstraction has 598 states and 1980 transitions. [2021-10-06 16:17:46,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 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) [2021-10-06 16:17:46,410 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 1980 transitions. [2021-10-06 16:17:46,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-06 16:17:46,410 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:46,410 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-06 16:17:46,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-06 16:17:46,411 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:46,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:46,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1036696086, now seen corresponding path program 1 times [2021-10-06 16:17:46,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:46,412 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744430426] [2021-10-06 16:17:46,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:46,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:46,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:17:46,508 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:17:46,508 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744430426] [2021-10-06 16:17:46,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744430426] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:17:46,509 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822751509] [2021-10-06 16:17:46,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:46,509 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:17:46,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:17:46,512 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 16:17:46,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-06 16:17:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:46,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-06 16:17:46,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:17:46,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:17:46,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [822751509] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:17:46,650 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 16:17:46,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2021-10-06 16:17:46,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418785815] [2021-10-06 16:17:46,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-06 16:17:46,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:17:46,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-06 16:17:46,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-06 16:17:46,652 INFO L87 Difference]: Start difference. First operand 598 states and 1980 transitions. Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 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) [2021-10-06 16:17:46,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 16:17:46,673 INFO L93 Difference]: Finished difference Result 599 states and 1981 transitions. [2021-10-06 16:17:46,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:17:46,673 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 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) Word has length 6 [2021-10-06 16:17:46,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 16:17:46,680 INFO L225 Difference]: With dead ends: 599 [2021-10-06 16:17:46,680 INFO L226 Difference]: Without dead ends: 599 [2021-10-06 16:17:46,681 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.6ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-06 16:17:46,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2021-10-06 16:17:46,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 599. [2021-10-06 16:17:46,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 536 states have (on average 3.6958955223880596) internal successors, (1981), 598 states have internal predecessors, (1981), 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) [2021-10-06 16:17:46,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 1981 transitions. [2021-10-06 16:17:46,713 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 1981 transitions. Word has length 6 [2021-10-06 16:17:46,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 16:17:46,713 INFO L470 AbstractCegarLoop]: Abstraction has 599 states and 1981 transitions. [2021-10-06 16:17:46,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 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) [2021-10-06 16:17:46,714 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 1981 transitions. [2021-10-06 16:17:46,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-06 16:17:46,714 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:46,714 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2021-10-06 16:17:46,760 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-06 16:17:46,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:17:46,930 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:46,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:46,930 INFO L82 PathProgramCache]: Analyzing trace with hash 2092242866, now seen corresponding path program 2 times [2021-10-06 16:17:46,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:46,931 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023520891] [2021-10-06 16:17:46,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:46,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:47,017 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:17:47,017 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:17:47,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023520891] [2021-10-06 16:17:47,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023520891] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:17:47,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691256946] [2021-10-06 16:17:47,018 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-06 16:17:47,018 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:17:47,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:17:47,020 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 16:17:47,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-06 16:17:47,101 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-06 16:17:47,101 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-06 16:17:47,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-06 16:17:47,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:17:47,170 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-06 16:17:47,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [691256946] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:17:47,170 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-06 16:17:47,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 6 [2021-10-06 16:17:47,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310863398] [2021-10-06 16:17:47,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-06 16:17:47,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:17:47,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-06 16:17:47,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-06 16:17:47,173 INFO L87 Difference]: Start difference. First operand 599 states and 1981 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2021-10-06 16:17:47,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 16:17:47,299 INFO L93 Difference]: Finished difference Result 849 states and 2874 transitions. [2021-10-06 16:17:47,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-06 16:17:47,300 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) Word has length 7 [2021-10-06 16:17:47,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 16:17:47,308 INFO L225 Difference]: With dead ends: 849 [2021-10-06 16:17:47,308 INFO L226 Difference]: Without dead ends: 849 [2021-10-06 16:17:47,309 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 26.5ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-06 16:17:47,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2021-10-06 16:17:47,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 685. [2021-10-06 16:17:47,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 685 states, 622 states have (on average 3.927652733118971) internal successors, (2443), 684 states have internal predecessors, (2443), 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) [2021-10-06 16:17:47,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 2443 transitions. [2021-10-06 16:17:47,341 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 2443 transitions. Word has length 7 [2021-10-06 16:17:47,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 16:17:47,342 INFO L470 AbstractCegarLoop]: Abstraction has 685 states and 2443 transitions. [2021-10-06 16:17:47,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2021-10-06 16:17:47,343 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 2443 transitions. [2021-10-06 16:17:47,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-06 16:17:47,343 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:47,343 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2021-10-06 16:17:47,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-06 16:17:47,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:17:47,557 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:47,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:47,558 INFO L82 PathProgramCache]: Analyzing trace with hash 2092242884, now seen corresponding path program 1 times [2021-10-06 16:17:47,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:47,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912843147] [2021-10-06 16:17:47,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:47,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:47,594 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-06 16:17:47,594 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:17:47,595 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912843147] [2021-10-06 16:17:47,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912843147] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:17:47,595 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:17:47,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-06 16:17:47,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874951001] [2021-10-06 16:17:47,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-06 16:17:47,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:17:47,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-06 16:17:47,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-06 16:17:47,597 INFO L87 Difference]: Start difference. First operand 685 states and 2443 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2021-10-06 16:17:47,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 16:17:47,625 INFO L93 Difference]: Finished difference Result 849 states and 2788 transitions. [2021-10-06 16:17:47,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-06 16:17:47,625 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) Word has length 7 [2021-10-06 16:17:47,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 16:17:47,634 INFO L225 Difference]: With dead ends: 849 [2021-10-06 16:17:47,634 INFO L226 Difference]: Without dead ends: 849 [2021-10-06 16:17:47,634 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-06 16:17:47,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2021-10-06 16:17:47,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 685. [2021-10-06 16:17:47,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 685 states, 622 states have (on average 3.789389067524116) internal successors, (2357), 684 states have internal predecessors, (2357), 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) [2021-10-06 16:17:47,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 2357 transitions. [2021-10-06 16:17:47,666 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 2357 transitions. Word has length 7 [2021-10-06 16:17:47,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 16:17:47,666 INFO L470 AbstractCegarLoop]: Abstraction has 685 states and 2357 transitions. [2021-10-06 16:17:47,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2021-10-06 16:17:47,666 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 2357 transitions. [2021-10-06 16:17:47,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-06 16:17:47,667 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:47,667 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2021-10-06 16:17:47,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-06 16:17:47,668 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:47,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:47,668 INFO L82 PathProgramCache]: Analyzing trace with hash 435021026, now seen corresponding path program 1 times [2021-10-06 16:17:47,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:47,669 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159856202] [2021-10-06 16:17:47,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:47,669 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:47,715 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-06 16:17:47,716 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:17:47,716 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159856202] [2021-10-06 16:17:47,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159856202] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:17:47,716 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941921796] [2021-10-06 16:17:47,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:47,717 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:17:47,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:17:47,718 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 16:17:47,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-06 16:17:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:47,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-06 16:17:47,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:17:47,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-06 16:17:47,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941921796] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:17:47,866 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 16:17:47,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-10-06 16:17:47,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290217419] [2021-10-06 16:17:47,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-06 16:17:47,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:17:47,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-06 16:17:47,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-10-06 16:17:47,868 INFO L87 Difference]: Start difference. First operand 685 states and 2357 transitions. Second operand has 8 states, 8 states have (on average 1.5) internal successors, (12), 7 states have internal predecessors, (12), 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) [2021-10-06 16:17:47,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 16:17:47,888 INFO L93 Difference]: Finished difference Result 686 states and 2358 transitions. [2021-10-06 16:17:47,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:17:47,889 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.5) internal successors, (12), 7 states have internal predecessors, (12), 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) Word has length 8 [2021-10-06 16:17:47,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 16:17:47,896 INFO L225 Difference]: With dead ends: 686 [2021-10-06 16:17:47,896 INFO L226 Difference]: Without dead ends: 686 [2021-10-06 16:17:47,896 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 31.1ms TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-10-06 16:17:47,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2021-10-06 16:17:47,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 686. [2021-10-06 16:17:47,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 623 states have (on average 3.784911717495987) internal successors, (2358), 685 states have internal predecessors, (2358), 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) [2021-10-06 16:17:47,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 2358 transitions. [2021-10-06 16:17:47,926 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 2358 transitions. Word has length 8 [2021-10-06 16:17:47,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 16:17:47,926 INFO L470 AbstractCegarLoop]: Abstraction has 686 states and 2358 transitions. [2021-10-06 16:17:47,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.5) internal successors, (12), 7 states have internal predecessors, (12), 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) [2021-10-06 16:17:47,927 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 2358 transitions. [2021-10-06 16:17:47,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-06 16:17:47,927 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:47,927 INFO L512 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1] [2021-10-06 16:17:47,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-06 16:17:48,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-06 16:17:48,143 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:48,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:48,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1203194750, now seen corresponding path program 2 times [2021-10-06 16:17:48,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:48,145 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641508526] [2021-10-06 16:17:48,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:48,146 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:48,197 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-06 16:17:48,198 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:17:48,198 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641508526] [2021-10-06 16:17:48,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641508526] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:17:48,198 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190565310] [2021-10-06 16:17:48,198 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-06 16:17:48,198 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:17:48,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:17:48,200 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 16:17:48,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-06 16:17:48,301 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-06 16:17:48,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-06 16:17:48,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-06 16:17:48,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:17:48,331 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-06 16:17:48,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [190565310] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:17:48,332 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 16:17:48,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-10-06 16:17:48,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815743713] [2021-10-06 16:17:48,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-06 16:17:48,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:17:48,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-06 16:17:48,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-06 16:17:48,335 INFO L87 Difference]: Start difference. First operand 686 states and 2358 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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) [2021-10-06 16:17:48,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 16:17:48,376 INFO L93 Difference]: Finished difference Result 1100 states and 3682 transitions. [2021-10-06 16:17:48,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:17:48,377 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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) Word has length 9 [2021-10-06 16:17:48,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 16:17:48,388 INFO L225 Difference]: With dead ends: 1100 [2021-10-06 16:17:48,388 INFO L226 Difference]: Without dead ends: 1100 [2021-10-06 16:17:48,389 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.6ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-06 16:17:48,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2021-10-06 16:17:48,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 772. [2021-10-06 16:17:48,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 709 states have (on average 3.9774330042313117) internal successors, (2820), 771 states have internal predecessors, (2820), 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) [2021-10-06 16:17:48,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 2820 transitions. [2021-10-06 16:17:48,428 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 2820 transitions. Word has length 9 [2021-10-06 16:17:48,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 16:17:48,429 INFO L470 AbstractCegarLoop]: Abstraction has 772 states and 2820 transitions. [2021-10-06 16:17:48,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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) [2021-10-06 16:17:48,429 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 2820 transitions. [2021-10-06 16:17:48,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-06 16:17:48,431 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:48,431 INFO L512 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1] [2021-10-06 16:17:48,472 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-06 16:17:48,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:17:48,645 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:48,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:48,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1203194768, now seen corresponding path program 1 times [2021-10-06 16:17:48,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:48,646 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337624602] [2021-10-06 16:17:48,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:48,647 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:48,698 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-06 16:17:48,698 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:17:48,701 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337624602] [2021-10-06 16:17:48,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337624602] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:17:48,704 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995494100] [2021-10-06 16:17:48,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:48,704 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:17:48,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:17:48,706 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 16:17:48,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-06 16:17:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:48,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-06 16:17:48,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:17:48,820 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-06 16:17:48,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995494100] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:17:48,820 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-06 16:17:48,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-10-06 16:17:48,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359127042] [2021-10-06 16:17:48,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-06 16:17:48,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:17:48,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-06 16:17:48,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-06 16:17:48,822 INFO L87 Difference]: Start difference. First operand 772 states and 2820 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2021-10-06 16:17:48,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 16:17:48,851 INFO L93 Difference]: Finished difference Result 850 states and 2873 transitions. [2021-10-06 16:17:48,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:17:48,851 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) Word has length 9 [2021-10-06 16:17:48,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 16:17:48,860 INFO L225 Difference]: With dead ends: 850 [2021-10-06 16:17:48,860 INFO L226 Difference]: Without dead ends: 850 [2021-10-06 16:17:48,860 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-06 16:17:48,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2021-10-06 16:17:48,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 686. [2021-10-06 16:17:48,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 639 states have (on average 3.8215962441314555) internal successors, (2442), 685 states have internal predecessors, (2442), 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) [2021-10-06 16:17:48,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 2442 transitions. [2021-10-06 16:17:48,909 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 2442 transitions. Word has length 9 [2021-10-06 16:17:48,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 16:17:48,910 INFO L470 AbstractCegarLoop]: Abstraction has 686 states and 2442 transitions. [2021-10-06 16:17:48,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2021-10-06 16:17:48,910 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 2442 transitions. [2021-10-06 16:17:48,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-06 16:17:48,911 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:48,911 INFO L512 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1] [2021-10-06 16:17:48,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-06 16:17:49,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-10-06 16:17:49,125 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:49,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:49,126 INFO L82 PathProgramCache]: Analyzing trace with hash -1350258508, now seen corresponding path program 1 times [2021-10-06 16:17:49,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:49,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869765673] [2021-10-06 16:17:49,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:49,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:49,174 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-06 16:17:49,175 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:17:49,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869765673] [2021-10-06 16:17:49,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869765673] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:17:49,175 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:17:49,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-06 16:17:49,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099344907] [2021-10-06 16:17:49,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-06 16:17:49,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:17:49,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-06 16:17:49,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-06 16:17:49,177 INFO L87 Difference]: Start difference. First operand 686 states and 2442 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-10-06 16:17:49,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 16:17:49,206 INFO L93 Difference]: Finished difference Result 912 states and 3355 transitions. [2021-10-06 16:17:49,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-06 16:17:49,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) Word has length 10 [2021-10-06 16:17:49,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 16:17:49,216 INFO L225 Difference]: With dead ends: 912 [2021-10-06 16:17:49,216 INFO L226 Difference]: Without dead ends: 912 [2021-10-06 16:17:49,216 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-06 16:17:49,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2021-10-06 16:17:49,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 796. [2021-10-06 16:17:49,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 796 states, 749 states have (on average 4.082777036048064) internal successors, (3058), 795 states have internal predecessors, (3058), 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) [2021-10-06 16:17:49,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 3058 transitions. [2021-10-06 16:17:49,253 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 3058 transitions. Word has length 10 [2021-10-06 16:17:49,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 16:17:49,254 INFO L470 AbstractCegarLoop]: Abstraction has 796 states and 3058 transitions. [2021-10-06 16:17:49,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-10-06 16:17:49,254 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 3058 transitions. [2021-10-06 16:17:49,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-06 16:17:49,255 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:49,255 INFO L512 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1] [2021-10-06 16:17:49,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-06 16:17:49,256 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:49,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:49,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1350258494, now seen corresponding path program 1 times [2021-10-06 16:17:49,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:49,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351213592] [2021-10-06 16:17:49,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:49,257 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:49,286 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-06 16:17:49,286 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:17:49,286 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351213592] [2021-10-06 16:17:49,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351213592] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:17:49,287 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:17:49,287 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-06 16:17:49,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379644960] [2021-10-06 16:17:49,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-06 16:17:49,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:17:49,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-06 16:17:49,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-06 16:17:49,289 INFO L87 Difference]: Start difference. First operand 796 states and 3058 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-10-06 16:17:49,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 16:17:49,317 INFO L93 Difference]: Finished difference Result 912 states and 3245 transitions. [2021-10-06 16:17:49,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-06 16:17:49,318 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) Word has length 10 [2021-10-06 16:17:49,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 16:17:49,326 INFO L225 Difference]: With dead ends: 912 [2021-10-06 16:17:49,327 INFO L226 Difference]: Without dead ends: 912 [2021-10-06 16:17:49,327 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-06 16:17:49,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2021-10-06 16:17:49,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 796. [2021-10-06 16:17:49,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 796 states, 749 states have (on average 3.9359145527369828) internal successors, (2948), 795 states have internal predecessors, (2948), 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) [2021-10-06 16:17:49,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 2948 transitions. [2021-10-06 16:17:49,362 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 2948 transitions. Word has length 10 [2021-10-06 16:17:49,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 16:17:49,363 INFO L470 AbstractCegarLoop]: Abstraction has 796 states and 2948 transitions. [2021-10-06 16:17:49,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-10-06 16:17:49,363 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 2948 transitions. [2021-10-06 16:17:49,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-06 16:17:49,364 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:49,364 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1] [2021-10-06 16:17:49,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-06 16:17:49,364 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:49,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:49,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1355666794, now seen corresponding path program 3 times [2021-10-06 16:17:49,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:49,365 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692446038] [2021-10-06 16:17:49,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:49,365 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:49,418 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-06 16:17:49,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:17:49,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692446038] [2021-10-06 16:17:49,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692446038] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:17:49,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55830084] [2021-10-06 16:17:49,419 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-06 16:17:49,419 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:17:49,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:17:49,421 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 16:17:49,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-06 16:17:49,524 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-10-06 16:17:49,525 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-06 16:17:49,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-06 16:17:49,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:17:49,559 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-06 16:17:49,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [55830084] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:17:49,560 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 16:17:49,560 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-10-06 16:17:49,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804271218] [2021-10-06 16:17:49,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-06 16:17:49,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:17:49,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-06 16:17:49,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-06 16:17:49,562 INFO L87 Difference]: Start difference. First operand 796 states and 2948 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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) [2021-10-06 16:17:49,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 16:17:49,606 INFO L93 Difference]: Finished difference Result 1466 states and 4969 transitions. [2021-10-06 16:17:49,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:17:49,607 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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) Word has length 10 [2021-10-06 16:17:49,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 16:17:49,630 INFO L225 Difference]: With dead ends: 1466 [2021-10-06 16:17:49,630 INFO L226 Difference]: Without dead ends: 1466 [2021-10-06 16:17:49,631 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 10.6ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-06 16:17:49,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1466 states. [2021-10-06 16:17:49,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1466 to 896. [2021-10-06 16:17:49,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 896 states, 849 states have (on average 4.004711425206125) internal successors, (3400), 895 states have internal predecessors, (3400), 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) [2021-10-06 16:17:49,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 3400 transitions. [2021-10-06 16:17:49,677 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 3400 transitions. Word has length 10 [2021-10-06 16:17:49,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 16:17:49,678 INFO L470 AbstractCegarLoop]: Abstraction has 896 states and 3400 transitions. [2021-10-06 16:17:49,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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) [2021-10-06 16:17:49,678 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 3400 transitions. [2021-10-06 16:17:49,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-06 16:17:49,679 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:49,679 INFO L512 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-06 16:17:49,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-06 16:17:49,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,10 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:17:49,893 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:49,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:49,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1091660703, now seen corresponding path program 1 times [2021-10-06 16:17:49,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:49,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632958840] [2021-10-06 16:17:49,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:49,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:49,961 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-06 16:17:49,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:17:49,962 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632958840] [2021-10-06 16:17:49,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632958840] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:17:49,962 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665914092] [2021-10-06 16:17:49,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:49,962 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:17:49,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:17:49,963 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 16:17:49,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-06 16:17:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:50,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-06 16:17:50,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:17:50,091 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-06 16:17:50,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665914092] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:17:50,092 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 16:17:50,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2021-10-06 16:17:50,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258422342] [2021-10-06 16:17:50,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-06 16:17:50,094 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:17:50,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-06 16:17:50,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-06 16:17:50,095 INFO L87 Difference]: Start difference. First operand 896 states and 3400 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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) [2021-10-06 16:17:50,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 16:17:50,165 INFO L93 Difference]: Finished difference Result 1280 states and 4792 transitions. [2021-10-06 16:17:50,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:17:50,166 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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) Word has length 11 [2021-10-06 16:17:50,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 16:17:50,173 INFO L225 Difference]: With dead ends: 1280 [2021-10-06 16:17:50,174 INFO L226 Difference]: Without dead ends: 1280 [2021-10-06 16:17:50,174 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.1ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-06 16:17:50,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1280 states. [2021-10-06 16:17:50,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1280 to 1020. [2021-10-06 16:17:50,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1020 states, 973 states have (on average 4.2199383350462485) internal successors, (4106), 1019 states have internal predecessors, (4106), 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) [2021-10-06 16:17:50,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 1020 states and 4106 transitions. [2021-10-06 16:17:50,221 INFO L78 Accepts]: Start accepts. Automaton has 1020 states and 4106 transitions. Word has length 11 [2021-10-06 16:17:50,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 16:17:50,222 INFO L470 AbstractCegarLoop]: Abstraction has 1020 states and 4106 transitions. [2021-10-06 16:17:50,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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) [2021-10-06 16:17:50,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 4106 transitions. [2021-10-06 16:17:50,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-06 16:17:50,226 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:50,227 INFO L512 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-06 16:17:50,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-06 16:17:50,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-10-06 16:17:50,441 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:50,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:50,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1091660717, now seen corresponding path program 1 times [2021-10-06 16:17:50,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:50,443 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719052377] [2021-10-06 16:17:50,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:50,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:50,474 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-06 16:17:50,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:17:50,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719052377] [2021-10-06 16:17:50,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719052377] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:17:50,475 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:17:50,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-06 16:17:50,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751336350] [2021-10-06 16:17:50,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-06 16:17:50,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:17:50,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-06 16:17:50,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-06 16:17:50,477 INFO L87 Difference]: Start difference. First operand 1020 states and 4106 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-10-06 16:17:50,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 16:17:50,498 INFO L93 Difference]: Finished difference Result 896 states and 3520 transitions. [2021-10-06 16:17:50,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-06 16:17:50,498 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) Word has length 11 [2021-10-06 16:17:50,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 16:17:50,504 INFO L225 Difference]: With dead ends: 896 [2021-10-06 16:17:50,504 INFO L226 Difference]: Without dead ends: 896 [2021-10-06 16:17:50,504 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-06 16:17:50,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2021-10-06 16:17:50,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 896. [2021-10-06 16:17:50,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 896 states, 861 states have (on average 4.088269454123113) internal successors, (3520), 895 states have internal predecessors, (3520), 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) [2021-10-06 16:17:50,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 3520 transitions. [2021-10-06 16:17:50,541 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 3520 transitions. Word has length 11 [2021-10-06 16:17:50,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 16:17:50,541 INFO L470 AbstractCegarLoop]: Abstraction has 896 states and 3520 transitions. [2021-10-06 16:17:50,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-10-06 16:17:50,542 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 3520 transitions. [2021-10-06 16:17:50,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-06 16:17:50,542 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:50,543 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1] [2021-10-06 16:17:50,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-06 16:17:50,543 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:50,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:50,544 INFO L82 PathProgramCache]: Analyzing trace with hash 924003966, now seen corresponding path program 4 times [2021-10-06 16:17:50,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:50,544 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923340230] [2021-10-06 16:17:50,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:50,544 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-06 16:17:50,577 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-06 16:17:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-06 16:17:50,635 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-06 16:17:50,635 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-06 16:17:50,638 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:50,640 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:50,641 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:50,641 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:50,641 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:50,641 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:50,642 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:50,643 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:50,643 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:50,643 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:50,643 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:50,644 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:50,644 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:50,644 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:50,644 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:50,644 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:50,645 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:50,645 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-06 16:17:50,645 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-06 16:17:50,645 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-06 16:17:50,645 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:50,646 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:50,646 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:50,646 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:50,646 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:50,646 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:50,647 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:50,647 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:50,647 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:50,647 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:50,647 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:50,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-06 16:17:50,657 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-06 16:17:50,657 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-06 16:17:50,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 04:17:50 BasicIcfg [2021-10-06 16:17:50,726 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-06 16:17:50,726 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-06 16:17:50,726 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-06 16:17:50,726 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-06 16:17:50,727 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 04:17:29" (3/4) ... [2021-10-06 16:17:50,729 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-06 16:17:50,833 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/weaver/chl/name-comparator-trans.wvr.c-witness.graphml [2021-10-06 16:17:50,833 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-06 16:17:50,835 INFO L168 Benchmark]: Toolchain (without parser) took 23927.60 ms. Allocated memory was 153.1 MB in the beginning and 222.3 MB in the end (delta: 69.2 MB). Free memory was 127.8 MB in the beginning and 114.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 83.1 MB. Max. memory is 8.0 GB. [2021-10-06 16:17:50,836 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 153.1 MB. Free memory was 124.9 MB in the beginning and 124.8 MB in the end (delta: 120.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-06 16:17:50,837 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.90 ms. Allocated memory is still 153.1 MB. Free memory was 127.6 MB in the beginning and 115.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-10-06 16:17:50,837 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.88 ms. Allocated memory is still 153.1 MB. Free memory was 115.4 MB in the beginning and 112.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-06 16:17:50,837 INFO L168 Benchmark]: Boogie Preprocessor took 88.37 ms. Allocated memory is still 153.1 MB. Free memory was 112.7 MB in the beginning and 110.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-06 16:17:50,838 INFO L168 Benchmark]: RCFGBuilder took 1700.77 ms. Allocated memory is still 153.1 MB. Free memory was 110.8 MB in the beginning and 77.6 MB in the end (delta: 33.2 MB). Peak memory consumption was 33.4 MB. Max. memory is 8.0 GB. [2021-10-06 16:17:50,838 INFO L168 Benchmark]: TraceAbstraction took 21589.20 ms. Allocated memory was 153.1 MB in the beginning and 222.3 MB in the end (delta: 69.2 MB). Free memory was 77.1 MB in the beginning and 121.8 MB in the end (delta: -44.7 MB). Peak memory consumption was 24.5 MB. Max. memory is 8.0 GB. [2021-10-06 16:17:50,839 INFO L168 Benchmark]: Witness Printer took 107.26 ms. Allocated memory is still 222.3 MB. Free memory was 121.8 MB in the beginning and 114.9 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2021-10-06 16:17:50,841 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 153.1 MB. Free memory was 124.9 MB in the beginning and 124.8 MB in the end (delta: 120.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 357.90 ms. Allocated memory is still 153.1 MB. Free memory was 127.6 MB in the beginning and 115.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 63.88 ms. Allocated memory is still 153.1 MB. Free memory was 115.4 MB in the beginning and 112.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 88.37 ms. Allocated memory is still 153.1 MB. Free memory was 112.7 MB in the beginning and 110.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1700.77 ms. Allocated memory is still 153.1 MB. Free memory was 110.8 MB in the beginning and 77.6 MB in the end (delta: 33.2 MB). Peak memory consumption was 33.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 21589.20 ms. Allocated memory was 153.1 MB in the beginning and 222.3 MB in the end (delta: 69.2 MB). Free memory was 77.1 MB in the beginning and 121.8 MB in the end (delta: -44.7 MB). Peak memory consumption was 24.5 MB. Max. memory is 8.0 GB. * Witness Printer took 107.26 ms. Allocated memory is still 222.3 MB. Free memory was 121.8 MB in the beginning and 114.9 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14490.0ms, 193 PlacesBefore, 49 PlacesAfterwards, 193 TransitionsBefore, 43 TransitionsAfterwards, 2184 CoEnabledTransitionPairs, 7 FixpointIterations, 129 TrivialSequentialCompositions, 42 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 0 ConcurrentYvCompositions, 6 ChoiceCompositions, 185 TotalNumberOfCompositions, 2505 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2283, positive: 2255, positive conditional: 0, positive unconditional: 2255, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1053, positive: 1048, positive conditional: 0, positive unconditional: 1048, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1053, positive: 1048, positive conditional: 0, positive unconditional: 1048, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 42, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2283, positive: 1207, positive conditional: 0, positive unconditional: 1207, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 1053, unknown conditional: 0, unknown unconditional: 1053] , Statistics on independence cache: Total cache size (in pairs): 128, Positive cache size: 126, Positive conditional cache size: 0, Positive unconditional cache size: 126, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 64]: integer overflow possible integer overflow possible We found a FailurePath: [L38] 0 int* nondet_0; [L39] 0 int name_1, name_2, name_3, result_4, i_5, current_6, break_7, result_8, i_9, current_10, break_11, result_12, i_13, current_14, break_15; [L127] 0 pthread_t t1, t2, t3; [L130] 0 name_1 = __VERIFIER_nondet_int() [L131] 0 name_2 = __VERIFIER_nondet_int() [L132] 0 name_3 = __VERIFIER_nondet_int() [L133] 0 result_4 = __VERIFIER_nondet_int() [L134] 0 i_5 = __VERIFIER_nondet_int() [L135] 0 current_6 = __VERIFIER_nondet_int() [L136] 0 break_7 = __VERIFIER_nondet_int() [L137] 0 result_8 = __VERIFIER_nondet_int() [L138] 0 i_9 = __VERIFIER_nondet_int() [L139] 0 current_10 = __VERIFIER_nondet_int() [L140] 0 break_11 = __VERIFIER_nondet_int() [L141] 0 result_12 = __VERIFIER_nondet_int() [L142] 0 i_13 = __VERIFIER_nondet_int() [L143] 0 current_14 = __VERIFIER_nondet_int() [L144] 0 break_15 = __VERIFIER_nondet_int() [L35] COND FALSE 0 !(!cond) [L162] EXPR 0 sizeof(int) * size [L162] 0 int* arr = (int*)malloc(sizeof(int) * size); [L163] 0 int i = 0; VAL [break_11=0, break_15=0, break_7=0, current_10=0, current_14=0, current_6=0, i_13=0, i_5=0, i_9=0, name_1=-2147483648, name_2=1, name_3=0, nondet_0={0:0}, result_12=0, result_4=-1, result_8=0] [L163] COND TRUE 0 i < size [L164] 0 arr[i] = __VERIFIER_nondet_int() [L163] 0 i++ VAL [break_11=0, break_15=0, break_7=0, current_10=0, current_14=0, current_6=0, i_13=0, i_5=0, i_9=0, name_1=-2147483648, name_2=1, name_3=0, nondet_0={0:0}, result_12=0, result_4=-1, result_8=0] [L163] COND TRUE 0 i < size [L164] 0 arr[i] = __VERIFIER_nondet_int() [L163] 0 i++ VAL [break_11=0, break_15=0, break_7=0, current_10=0, current_14=0, current_6=0, i_13=0, i_5=0, i_9=0, name_1=-2147483648, name_2=1, name_3=0, nondet_0={0:0}, result_12=0, result_4=-1, result_8=0] [L163] COND TRUE 0 i < size [L164] 0 arr[i] = __VERIFIER_nondet_int() [L163] 0 i++ VAL [break_11=0, break_15=0, break_7=0, current_10=0, current_14=0, current_6=0, i_13=0, i_5=0, i_9=0, name_1=-2147483648, name_2=1, name_3=0, nondet_0={0:0}, result_12=0, result_4=-1, result_8=0] [L163] COND FALSE 0 !(i < size) [L166] 0 return arr; [L145] 0 nondet_0 = create_fresh_int_array(3) [L148] FCALL, FORK 0 pthread_create(&t1, NULL, thread1, NULL) VAL [break_11=0, break_15=0, break_7=0, current_10=0, current_14=0, current_6=0, i_13=0, i_5=0, i_9=0, name_1=-2147483648, name_2=1, name_3=0, nondet_0={-2:0}, result_12=0, result_4=-1, result_8=0] [L45] 1 i_5 = 0 [L46] 1 break_7 = 0 [L47] EXPR 1 ( name_1 == name_2 ) ? 0 : result_4 [L47] 1 result_4 = ( name_1 == name_2 ) ? 0 : result_4 [L48] EXPR 1 ( name_1 == name_2 ) ? 1 : break_7 [L48] 1 break_7 = ( name_1 == name_2 ) ? 1 : break_7 [L51] COND TRUE 1 __VERIFIER_nondet_bool() [L35] COND FALSE 1 !(!cond) [L54] EXPR 1 nondet_0[i_5] [L54] 1 current_6 = nondet_0[i_5] [L55] EXPR 1 ( current_6 == name_1 ) ? 1 : result_4 [L55] 1 result_4 = ( current_6 == name_1 ) ? 1 : result_4 [L56] EXPR 1 ( current_6 == name_1 ) ? 1 : break_7 [L56] 1 break_7 = ( current_6 == name_1 ) ? 1 : break_7 [L57] EXPR 1 ( !break_7 && ( current_6 == name_2 ) ) ? ( 0 - 1 ) : result_4 [L57] 1 result_4 = ( !break_7 && ( current_6 == name_2 ) ) ? ( 0 - 1 ) : result_4 [L58] EXPR 1 ( !break_7 && ( current_6 == name_2 ) ) ? 1 : break_7 [L58] 1 break_7 = ( !break_7 && ( current_6 == name_2 ) ) ? 1 : break_7 [L59] 1 i_5++ VAL [break_11=0, break_15=0, break_7=0, current_10=0, current_14=0, current_6=-7, i_13=0, i_5=1, i_9=0, name_1=-2147483648, name_2=1, name_3=0, nondet_0={-2:0}, result_12=0, result_4=-1, result_8=0] [L51] COND TRUE 1 __VERIFIER_nondet_bool() [L35] COND FALSE 1 !(!cond) [L54] EXPR 1 nondet_0[i_5] [L54] 1 current_6 = nondet_0[i_5] [L55] EXPR 1 ( current_6 == name_1 ) ? 1 : result_4 [L55] 1 result_4 = ( current_6 == name_1 ) ? 1 : result_4 [L56] EXPR 1 ( current_6 == name_1 ) ? 1 : break_7 [L56] 1 break_7 = ( current_6 == name_1 ) ? 1 : break_7 [L57] EXPR 1 ( !break_7 && ( current_6 == name_2 ) ) ? ( 0 - 1 ) : result_4 [L57] 1 result_4 = ( !break_7 && ( current_6 == name_2 ) ) ? ( 0 - 1 ) : result_4 [L58] EXPR 1 ( !break_7 && ( current_6 == name_2 ) ) ? 1 : break_7 [L58] 1 break_7 = ( !break_7 && ( current_6 == name_2 ) ) ? 1 : break_7 [L59] 1 i_5++ VAL [break_11=0, break_15=0, break_7=0, current_10=0, current_14=0, current_6=-8, i_13=0, i_5=2, i_9=0, name_1=-2147483648, name_2=1, name_3=0, nondet_0={-2:0}, result_12=0, result_4=-1, result_8=0] [L51] COND TRUE 1 __VERIFIER_nondet_bool() [L35] COND FALSE 1 !(!cond) [L54] EXPR 1 nondet_0[i_5] [L54] 1 current_6 = nondet_0[i_5] [L55] EXPR 1 ( current_6 == name_1 ) ? 1 : result_4 [L55] 1 result_4 = ( current_6 == name_1 ) ? 1 : result_4 [L56] EXPR 1 ( current_6 == name_1 ) ? 1 : break_7 [L56] 1 break_7 = ( current_6 == name_1 ) ? 1 : break_7 [L57] EXPR 1 ( !break_7 && ( current_6 == name_2 ) ) ? ( 0 - 1 ) : result_4 [L57] 1 result_4 = ( !break_7 && ( current_6 == name_2 ) ) ? ( 0 - 1 ) : result_4 [L58] EXPR 1 ( !break_7 && ( current_6 == name_2 ) ) ? 1 : break_7 [L58] 1 break_7 = ( !break_7 && ( current_6 == name_2 ) ) ? 1 : break_7 [L59] 1 i_5++ VAL [break_11=0, break_15=0, break_7=0, current_10=0, current_14=0, current_6=-9, i_13=0, i_5=3, i_9=0, name_1=-2147483648, name_2=1, name_3=0, nondet_0={-2:0}, result_12=0, result_4=-1, result_8=0] [L51] COND FALSE 1 !(__VERIFIER_nondet_bool()) [L35] COND FALSE 1 !(!cond) [L64] 1 ( !break_7 ) ? ( name_1 - name_2 ) : result_4 [L64] 1 name_1 - name_2 VAL [break_11=0, break_15=0, break_7=0, current_10=0, current_14=0, current_6=-9, i_13=0, i_5=3, i_9=0, name_1=-2147483648, name_2=1, name_3=0, nondet_0={-2:0}, result_12=0, result_4=-1, result_8=0] - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 120]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 120]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 114]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 114]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 162]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 162]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 163]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 163]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 150]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 149]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 148]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 226 locations, 31 error locations. Started 1 CEGAR loops. OverallTime: 21316.0ms, OverallIterations: 18, TraceHistogramMax: 3, EmptinessCheckTime: 26.9ms, AutomataDifference: 975.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14614.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 658 SDtfs, 700 SDslu, 620 SDs, 0 SdLazy, 150 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 267.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 170.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1020occurred in iteration=16, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 738.2ms AutomataMinimizationTime, 17 MinimizatonAttempts, 4264 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 155.5ms SsaConstructionTime, 598.7ms SatisfiabilityAnalysisTime, 1064.9ms InterpolantComputationTime, 197 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 159 ConstructedInterpolants, 0 QuantifiedInterpolants, 344 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1359 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 27 InterpolantComputations, 11 PerfectInterpolantSequences, 80/108 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-06 16:17:50,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...