/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/popl20-more-queue-add-2-nl.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-07 15:07:13,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-07 15:07:13,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-07 15:07:13,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-07 15:07:13,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-07 15:07:13,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-07 15:07:13,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-07 15:07:13,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-07 15:07:13,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-07 15:07:13,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-07 15:07:13,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-07 15:07:13,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-07 15:07:13,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-07 15:07:13,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-07 15:07:13,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-07 15:07:13,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-07 15:07:13,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-07 15:07:13,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-07 15:07:13,277 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-07 15:07:13,278 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-07 15:07:13,286 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-10-07 15:07:13,339 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-07 15:07:13,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-07 15:07:13,340 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-07 15:07:13,341 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-07 15:07:13,346 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-07 15:07:13,346 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-07 15:07:13,346 INFO L138 SettingsManager]: * Use SBE=true [2021-10-07 15:07:13,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-07 15:07:13,347 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-07 15:07:13,347 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-07 15:07:13,348 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-07 15:07:13,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-07 15:07:13,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-07 15:07:13,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-07 15:07:13,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-07 15:07:13,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-07 15:07:13,352 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-07 15:07:13,352 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-07 15:07:13,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-07 15:07:13,353 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-07 15:07:13,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-07 15:07:13,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-07 15:07:13,353 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-07 15:07:13,353 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-07 15:07:13,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-07 15:07:13,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-07 15:07:13,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-07 15:07:13,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-07 15:07:13,357 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-07 15:07:13,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-07 15:07:13,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-07 15:07:13,358 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-07 15:07:13,359 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-07 15:07:13,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-07 15:07:13,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-07 15:07:13,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-07 15:07:13,850 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-07 15:07:13,851 INFO L275 PluginConnector]: CDTParser initialized [2021-10-07 15:07:13,852 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2021-10-07 15:07:13,939 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d39fa9e32/627cb133bbc34d64bd66bdd47bfa8541/FLAGf5cdce4d8 [2021-10-07 15:07:14,533 INFO L306 CDTParser]: Found 1 translation units. [2021-10-07 15:07:14,533 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2021-10-07 15:07:14,543 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d39fa9e32/627cb133bbc34d64bd66bdd47bfa8541/FLAGf5cdce4d8 [2021-10-07 15:07:14,882 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d39fa9e32/627cb133bbc34d64bd66bdd47bfa8541 [2021-10-07 15:07:14,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-07 15:07:14,895 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-07 15:07:14,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-07 15:07:14,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-07 15:07:14,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-07 15:07:14,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:07:14" (1/1) ... [2021-10-07 15:07:14,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d3cda99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:14, skipping insertion in model container [2021-10-07 15:07:14,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:07:14" (1/1) ... [2021-10-07 15:07:14,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-07 15:07:14,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-07 15:07:15,274 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/popl20-more-queue-add-2-nl.wvr.c[2793,2806] [2021-10-07 15:07:15,288 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-07 15:07:15,300 INFO L203 MainTranslator]: Completed pre-run [2021-10-07 15:07:15,328 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/popl20-more-queue-add-2-nl.wvr.c[2793,2806] [2021-10-07 15:07:15,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-07 15:07:15,361 INFO L208 MainTranslator]: Completed translation [2021-10-07 15:07:15,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:15 WrapperNode [2021-10-07 15:07:15,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-07 15:07:15,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-07 15:07:15,364 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-07 15:07:15,364 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-07 15:07:15,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:15" (1/1) ... [2021-10-07 15:07:15,385 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:15" (1/1) ... [2021-10-07 15:07:15,418 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-07 15:07:15,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-07 15:07:15,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-07 15:07:15,419 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-07 15:07:15,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:15" (1/1) ... [2021-10-07 15:07:15,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:15" (1/1) ... [2021-10-07 15:07:15,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:15" (1/1) ... [2021-10-07 15:07:15,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:15" (1/1) ... [2021-10-07 15:07:15,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:15" (1/1) ... [2021-10-07 15:07:15,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:15" (1/1) ... [2021-10-07 15:07:15,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:15" (1/1) ... [2021-10-07 15:07:15,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-07 15:07:15,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-07 15:07:15,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-07 15:07:15,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-07 15:07:15,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:15" (1/1) ... [2021-10-07 15:07:15,474 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-07 15:07:15,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:07:15,508 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) [2021-10-07 15:07:15,532 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 [2021-10-07 15:07:15,594 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-07 15:07:15,594 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-07 15:07:15,595 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-07 15:07:15,595 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-07 15:07:15,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-07 15:07:15,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-07 15:07:15,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-07 15:07:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-07 15:07:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-07 15:07:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-07 15:07:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-07 15:07:15,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-07 15:07:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-07 15:07:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-07 15:07:15,601 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-07 15:07:16,653 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-07 15:07:16,653 INFO L299 CfgBuilder]: Removed 27 assume(true) statements. [2021-10-07 15:07:16,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:07:16 BoogieIcfgContainer [2021-10-07 15:07:16,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-07 15:07:16,663 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-07 15:07:16,664 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-07 15:07:16,668 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-07 15:07:16,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:07:14" (1/3) ... [2021-10-07 15:07:16,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76debc1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:07:16, skipping insertion in model container [2021-10-07 15:07:16,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:15" (2/3) ... [2021-10-07 15:07:16,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76debc1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:07:16, skipping insertion in model container [2021-10-07 15:07:16,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:07:16" (3/3) ... [2021-10-07 15:07:16,673 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-queue-add-2-nl.wvr.c [2021-10-07 15:07:16,682 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-07 15:07:16,683 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-07 15:07:16,683 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2021-10-07 15:07:16,683 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-07 15:07:16,760 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,761 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,761 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,762 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,762 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,762 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,762 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,763 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,763 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,763 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,763 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,763 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,764 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,764 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,765 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,765 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,765 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,765 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,766 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,766 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,767 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,769 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,769 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,769 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,770 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,770 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,772 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,772 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,772 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,772 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,774 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,774 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,775 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,775 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,776 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,776 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,776 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,778 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,778 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,778 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,778 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,780 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,782 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,787 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,788 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,789 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,789 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,789 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,789 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,789 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,793 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,793 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,794 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,794 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,796 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,796 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,796 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,796 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,797 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,797 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,798 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,798 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,798 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,799 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,799 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,801 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,801 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,801 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,801 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,802 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,802 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,802 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,802 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,802 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,803 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,804 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,805 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,806 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,806 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,806 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,807 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,807 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,807 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,808 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,808 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,808 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,808 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,809 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,809 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,809 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,809 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,811 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,813 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,814 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,815 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,820 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,822 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,823 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,823 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,823 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,823 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,823 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,823 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,824 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,824 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,824 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,824 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,824 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,824 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,824 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,824 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,825 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,829 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,830 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,830 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,830 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,830 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,830 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,831 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,831 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,831 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,831 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,833 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,833 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,833 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,834 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,841 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,841 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,841 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,842 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,842 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,842 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,843 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,844 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,844 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,844 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,851 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,851 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,851 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,852 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,852 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,852 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,852 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:16,871 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-07 15:07:16,932 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-07 15:07:16,940 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 [2021-10-07 15:07:16,941 INFO L340 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2021-10-07 15:07:16,961 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-07 15:07:16,977 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 157 places, 161 transitions, 338 flow [2021-10-07 15:07:16,981 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 157 places, 161 transitions, 338 flow [2021-10-07 15:07:16,983 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 157 places, 161 transitions, 338 flow [2021-10-07 15:07:17,062 INFO L129 PetriNetUnfolder]: 11/159 cut-off events. [2021-10-07 15:07:17,062 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-10-07 15:07:17,070 INFO L84 FinitePrefix]: Finished finitePrefix Result has 168 conditions, 159 events. 11/159 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 199 event pairs, 0 based on Foata normal form. 0/130 useless extension candidates. Maximal degree in co-relation 116. Up to 3 conditions per place. [2021-10-07 15:07:17,075 INFO L116 LiptonReduction]: Number of co-enabled transitions 2062 [2021-10-07 15:07:26,958 INFO L131 LiptonReduction]: Checked pairs total: 2866 [2021-10-07 15:07:26,958 INFO L133 LiptonReduction]: Total number of compositions: 187 [2021-10-07 15:07:26,971 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 41 places, 37 transitions, 90 flow [2021-10-07 15:07:27,001 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 279 states, 201 states have (on average 3.3333333333333335) internal successors, (670), 278 states have internal predecessors, (670), 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) [2021-10-07 15:07:27,005 INFO L276 IsEmpty]: Start isEmpty. Operand has 279 states, 201 states have (on average 3.3333333333333335) internal successors, (670), 278 states have internal predecessors, (670), 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) [2021-10-07 15:07:27,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-07 15:07:27,012 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:07:27,013 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-07 15:07:27,014 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2021-10-07 15:07:27,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:07:27,021 INFO L82 PathProgramCache]: Analyzing trace with hash 24476, now seen corresponding path program 1 times [2021-10-07 15:07:27,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:07:27,032 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4032957] [2021-10-07 15:07:27,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:27,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:07:27,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:27,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:07:27,257 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:07:27,257 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4032957] [2021-10-07 15:07:27,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4032957] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 15:07:27,259 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:07:27,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-07 15:07:27,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986770871] [2021-10-07 15:07:27,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-07 15:07:27,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:07:27,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-07 15:07:27,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:07:27,289 INFO L87 Difference]: Start difference. First operand has 279 states, 201 states have (on average 3.3333333333333335) internal successors, (670), 278 states have internal predecessors, (670), 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 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) [2021-10-07 15:07:27,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:07:27,350 INFO L93 Difference]: Finished difference Result 427 states and 1023 transitions. [2021-10-07 15:07:27,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:07:27,352 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 [2021-10-07 15:07:27,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:07:27,376 INFO L225 Difference]: With dead ends: 427 [2021-10-07 15:07:27,376 INFO L226 Difference]: Without dead ends: 427 [2021-10-07 15:07:27,377 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:07:27,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2021-10-07 15:07:27,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 216. [2021-10-07 15:07:27,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 161 states have (on average 3.198757763975155) internal successors, (515), 215 states have internal predecessors, (515), 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) [2021-10-07 15:07:27,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 515 transitions. [2021-10-07 15:07:27,475 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 515 transitions. Word has length 2 [2021-10-07 15:07:27,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:07:27,475 INFO L470 AbstractCegarLoop]: Abstraction has 216 states and 515 transitions. [2021-10-07 15:07:27,476 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) [2021-10-07 15:07:27,477 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 515 transitions. [2021-10-07 15:07:27,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-07 15:07:27,477 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:07:27,478 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-07 15:07:27,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-07 15:07:27,479 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2021-10-07 15:07:27,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:07:27,479 INFO L82 PathProgramCache]: Analyzing trace with hash 760044, now seen corresponding path program 1 times [2021-10-07 15:07:27,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:07:27,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084712803] [2021-10-07 15:07:27,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:27,480 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:07:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:27,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:07:27,607 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:07:27,607 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084712803] [2021-10-07 15:07:27,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084712803] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 15:07:27,608 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [161598439] [2021-10-07 15:07:27,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:27,608 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:07:27,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:07:27,613 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) [2021-10-07 15:07:27,623 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 [2021-10-07 15:07:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:27,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-07 15:07:27,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:07:27,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:07:27,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [161598439] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 15:07:27,807 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-07 15:07:27,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 3 [2021-10-07 15:07:27,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441914971] [2021-10-07 15:07:27,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-07 15:07:27,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:07:27,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-07 15:07:27,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-07 15:07:27,818 INFO L87 Difference]: Start difference. First operand 216 states and 515 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) [2021-10-07 15:07:27,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:07:27,883 INFO L93 Difference]: Finished difference Result 639 states and 1534 transitions. [2021-10-07 15:07:27,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-07 15:07:27,884 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 [2021-10-07 15:07:27,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:07:27,894 INFO L225 Difference]: With dead ends: 639 [2021-10-07 15:07:27,894 INFO L226 Difference]: Without dead ends: 639 [2021-10-07 15:07:27,895 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.4ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-07 15:07:27,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2021-10-07 15:07:27,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 217. [2021-10-07 15:07:27,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 162 states have (on average 3.197530864197531) internal successors, (518), 216 states have internal predecessors, (518), 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) [2021-10-07 15:07:27,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 518 transitions. [2021-10-07 15:07:27,923 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 518 transitions. Word has length 3 [2021-10-07 15:07:27,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:07:27,923 INFO L470 AbstractCegarLoop]: Abstraction has 217 states and 518 transitions. [2021-10-07 15:07:27,923 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) [2021-10-07 15:07:27,924 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 518 transitions. [2021-10-07 15:07:27,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-07 15:07:27,924 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:07:27,924 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-07 15:07:27,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-07 15:07:28,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:07:28,140 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2021-10-07 15:07:28,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:07:28,142 INFO L82 PathProgramCache]: Analyzing trace with hash 760062, now seen corresponding path program 1 times [2021-10-07 15:07:28,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:07:28,142 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070400642] [2021-10-07 15:07:28,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:28,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:07:28,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:28,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:07:28,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:07:28,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070400642] [2021-10-07 15:07:28,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070400642] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 15:07:28,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898076712] [2021-10-07 15:07:28,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:28,203 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:07:28,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:07:28,205 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) [2021-10-07 15:07:28,220 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 [2021-10-07 15:07:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:28,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-07 15:07:28,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:07:28,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:07:28,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [898076712] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 15:07:28,299 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-07 15:07:28,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2021-10-07 15:07:28,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23279210] [2021-10-07 15:07:28,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-07 15:07:28,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:07:28,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-07 15:07:28,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-07 15:07:28,302 INFO L87 Difference]: Start difference. First operand 217 states and 518 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) [2021-10-07 15:07:28,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:07:28,349 INFO L93 Difference]: Finished difference Result 427 states and 1024 transitions. [2021-10-07 15:07:28,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-07 15:07:28,350 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 [2021-10-07 15:07:28,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:07:28,360 INFO L225 Difference]: With dead ends: 427 [2021-10-07 15:07:28,360 INFO L226 Difference]: Without dead ends: 427 [2021-10-07 15:07:28,361 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.2ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-07 15:07:28,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2021-10-07 15:07:28,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 216. [2021-10-07 15:07:28,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 162 states have (on average 3.185185185185185) internal successors, (516), 215 states have internal predecessors, (516), 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) [2021-10-07 15:07:28,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 516 transitions. [2021-10-07 15:07:28,407 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 516 transitions. Word has length 3 [2021-10-07 15:07:28,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:07:28,407 INFO L470 AbstractCegarLoop]: Abstraction has 216 states and 516 transitions. [2021-10-07 15:07:28,408 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) [2021-10-07 15:07:28,408 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 516 transitions. [2021-10-07 15:07:28,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-07 15:07:28,408 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:07:28,409 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1] [2021-10-07 15:07:28,447 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 [2021-10-07 15:07:28,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:07:28,610 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2021-10-07 15:07:28,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:07:28,612 INFO L82 PathProgramCache]: Analyzing trace with hash 23562652, now seen corresponding path program 2 times [2021-10-07 15:07:28,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:07:28,613 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672775737] [2021-10-07 15:07:28,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:28,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:07:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:28,673 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:07:28,674 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:07:28,674 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672775737] [2021-10-07 15:07:28,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672775737] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 15:07:28,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257900002] [2021-10-07 15:07:28,675 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-07 15:07:28,675 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:07:28,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:07:28,676 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) [2021-10-07 15:07:28,694 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 [2021-10-07 15:07:28,745 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-07 15:07:28,745 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-07 15:07:28,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-07 15:07:28,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:07:28,774 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-07 15:07:28,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [257900002] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 15:07:28,774 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-07 15:07:28,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2021-10-07 15:07:28,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530212020] [2021-10-07 15:07:28,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-07 15:07:28,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:07:28,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-07 15:07:28,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-07 15:07:28,778 INFO L87 Difference]: Start difference. First operand 216 states and 516 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) [2021-10-07 15:07:28,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:07:28,789 INFO L93 Difference]: Finished difference Result 215 states and 515 transitions. [2021-10-07 15:07:28,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:07:28,790 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 [2021-10-07 15:07:28,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:07:28,792 INFO L225 Difference]: With dead ends: 215 [2021-10-07 15:07:28,793 INFO L226 Difference]: Without dead ends: 215 [2021-10-07 15:07:28,793 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 11.2ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-07 15:07:28,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2021-10-07 15:07:28,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 213. [2021-10-07 15:07:28,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 160 states have (on average 3.19375) internal successors, (511), 212 states have internal predecessors, (511), 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) [2021-10-07 15:07:28,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 511 transitions. [2021-10-07 15:07:28,812 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 511 transitions. Word has length 4 [2021-10-07 15:07:28,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:07:28,813 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 511 transitions. [2021-10-07 15:07:28,813 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) [2021-10-07 15:07:28,814 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 511 transitions. [2021-10-07 15:07:28,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-07 15:07:28,814 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:07:28,815 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-07 15:07:28,857 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 [2021-10-07 15:07:29,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:07:29,027 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2021-10-07 15:07:29,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:07:29,028 INFO L82 PathProgramCache]: Analyzing trace with hash 730687320, now seen corresponding path program 1 times [2021-10-07 15:07:29,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:07:29,029 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672532343] [2021-10-07 15:07:29,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:29,030 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:07:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:29,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:07:29,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:07:29,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672532343] [2021-10-07 15:07:29,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672532343] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 15:07:29,123 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:07:29,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-07 15:07:29,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869984304] [2021-10-07 15:07:29,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-07 15:07:29,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:07:29,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-07 15:07:29,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:07:29,125 INFO L87 Difference]: Start difference. First operand 213 states and 511 transitions. Second operand has 3 states, 2 states have (on average 2.5) 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) [2021-10-07 15:07:29,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:07:29,183 INFO L93 Difference]: Finished difference Result 303 states and 783 transitions. [2021-10-07 15:07:29,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:07:29,184 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) 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 [2021-10-07 15:07:29,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:07:29,187 INFO L225 Difference]: With dead ends: 303 [2021-10-07 15:07:29,187 INFO L226 Difference]: Without dead ends: 303 [2021-10-07 15:07:29,188 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:07:29,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2021-10-07 15:07:29,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 231. [2021-10-07 15:07:29,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 178 states have (on average 3.8146067415730336) internal successors, (679), 230 states have internal predecessors, (679), 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) [2021-10-07 15:07:29,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 679 transitions. [2021-10-07 15:07:29,201 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 679 transitions. Word has length 5 [2021-10-07 15:07:29,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:07:29,202 INFO L470 AbstractCegarLoop]: Abstraction has 231 states and 679 transitions. [2021-10-07 15:07:29,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) 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) [2021-10-07 15:07:29,203 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 679 transitions. [2021-10-07 15:07:29,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-07 15:07:29,203 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:07:29,203 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-07 15:07:29,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-07 15:07:29,204 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2021-10-07 15:07:29,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:07:29,205 INFO L82 PathProgramCache]: Analyzing trace with hash 730687339, now seen corresponding path program 1 times [2021-10-07 15:07:29,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:07:29,205 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581561178] [2021-10-07 15:07:29,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:29,206 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:07:29,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:29,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:07:29,243 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:07:29,243 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581561178] [2021-10-07 15:07:29,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581561178] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 15:07:29,244 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:07:29,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-07 15:07:29,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065460385] [2021-10-07 15:07:29,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-07 15:07:29,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:07:29,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-07 15:07:29,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:07:29,246 INFO L87 Difference]: Start difference. First operand 231 states and 679 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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) [2021-10-07 15:07:29,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:07:29,285 INFO L93 Difference]: Finished difference Result 333 states and 798 transitions. [2021-10-07 15:07:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:07:29,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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 [2021-10-07 15:07:29,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:07:29,289 INFO L225 Difference]: With dead ends: 333 [2021-10-07 15:07:29,290 INFO L226 Difference]: Without dead ends: 333 [2021-10-07 15:07:29,290 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 [2021-10-07 15:07:29,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2021-10-07 15:07:29,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 231. [2021-10-07 15:07:29,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 178 states have (on average 3.6123595505617976) internal successors, (643), 230 states have internal predecessors, (643), 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) [2021-10-07 15:07:29,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 643 transitions. [2021-10-07 15:07:29,302 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 643 transitions. Word has length 5 [2021-10-07 15:07:29,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:07:29,302 INFO L470 AbstractCegarLoop]: Abstraction has 231 states and 643 transitions. [2021-10-07 15:07:29,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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) [2021-10-07 15:07:29,303 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 643 transitions. [2021-10-07 15:07:29,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-07 15:07:29,303 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:07:29,304 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-07 15:07:29,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-07 15:07:29,304 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2021-10-07 15:07:29,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:07:29,305 INFO L82 PathProgramCache]: Analyzing trace with hash 730687308, now seen corresponding path program 1 times [2021-10-07 15:07:29,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:07:29,305 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398351192] [2021-10-07 15:07:29,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:29,306 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:07:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:29,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:07:29,342 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:07:29,343 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398351192] [2021-10-07 15:07:29,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398351192] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 15:07:29,343 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:07:29,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-07 15:07:29,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037531444] [2021-10-07 15:07:29,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-07 15:07:29,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:07:29,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-07 15:07:29,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:07:29,346 INFO L87 Difference]: Start difference. First operand 231 states and 643 transitions. Second operand has 3 states, 2 states have (on average 2.5) 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) [2021-10-07 15:07:29,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:07:29,399 INFO L93 Difference]: Finished difference Result 267 states and 659 transitions. [2021-10-07 15:07:29,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:07:29,400 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) 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 [2021-10-07 15:07:29,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:07:29,403 INFO L225 Difference]: With dead ends: 267 [2021-10-07 15:07:29,403 INFO L226 Difference]: Without dead ends: 267 [2021-10-07 15:07:29,404 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:07:29,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2021-10-07 15:07:29,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 231. [2021-10-07 15:07:29,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 178 states have (on average 3.4101123595505616) internal successors, (607), 230 states have internal predecessors, (607), 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) [2021-10-07 15:07:29,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 607 transitions. [2021-10-07 15:07:29,414 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 607 transitions. Word has length 5 [2021-10-07 15:07:29,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:07:29,415 INFO L470 AbstractCegarLoop]: Abstraction has 231 states and 607 transitions. [2021-10-07 15:07:29,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) 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) [2021-10-07 15:07:29,415 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 607 transitions. [2021-10-07 15:07:29,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-07 15:07:29,416 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:07:29,416 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-07 15:07:29,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-07 15:07:29,416 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2021-10-07 15:07:29,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:07:29,417 INFO L82 PathProgramCache]: Analyzing trace with hash 730687281, now seen corresponding path program 1 times [2021-10-07 15:07:29,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:07:29,418 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956424426] [2021-10-07 15:07:29,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:29,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:07:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:29,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:07:29,459 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:07:29,459 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956424426] [2021-10-07 15:07:29,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956424426] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 15:07:29,459 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:07:29,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-07 15:07:29,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84257495] [2021-10-07 15:07:29,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-07 15:07:29,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:07:29,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-07 15:07:29,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-07 15:07:29,461 INFO L87 Difference]: Start difference. First operand 231 states and 607 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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) [2021-10-07 15:07:29,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:07:29,542 INFO L93 Difference]: Finished difference Result 245 states and 628 transitions. [2021-10-07 15:07:29,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-07 15:07:29,543 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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 [2021-10-07 15:07:29,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:07:29,545 INFO L225 Difference]: With dead ends: 245 [2021-10-07 15:07:29,546 INFO L226 Difference]: Without dead ends: 232 [2021-10-07 15:07:29,546 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-07 15:07:29,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2021-10-07 15:07:29,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2021-10-07 15:07:29,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 179 states have (on average 3.3966480446927374) internal successors, (608), 231 states have internal predecessors, (608), 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) [2021-10-07 15:07:29,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 608 transitions. [2021-10-07 15:07:29,556 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 608 transitions. Word has length 5 [2021-10-07 15:07:29,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:07:29,556 INFO L470 AbstractCegarLoop]: Abstraction has 232 states and 608 transitions. [2021-10-07 15:07:29,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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) [2021-10-07 15:07:29,557 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 608 transitions. [2021-10-07 15:07:29,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-07 15:07:29,557 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:07:29,557 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-07 15:07:29,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-07 15:07:29,558 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2021-10-07 15:07:29,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:07:29,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1169157089, now seen corresponding path program 1 times [2021-10-07 15:07:29,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:07:29,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100606377] [2021-10-07 15:07:29,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:29,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:07:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:29,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:07:29,607 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:07:29,607 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100606377] [2021-10-07 15:07:29,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100606377] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 15:07:29,607 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235563118] [2021-10-07 15:07:29,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:29,608 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:07:29,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:07:29,609 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) [2021-10-07 15:07:29,634 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 [2021-10-07 15:07:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:29,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-07 15:07:29,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:07:29,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-07 15:07:29,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235563118] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 15:07:29,709 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-07 15:07:29,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2021-10-07 15:07:29,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273904220] [2021-10-07 15:07:29,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-07 15:07:29,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:07:29,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-07 15:07:29,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-07 15:07:29,711 INFO L87 Difference]: Start difference. First operand 232 states and 608 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2021-10-07 15:07:29,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:07:29,743 INFO L93 Difference]: Finished difference Result 174 states and 428 transitions. [2021-10-07 15:07:29,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:07:29,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 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 6 [2021-10-07 15:07:29,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:07:29,746 INFO L225 Difference]: With dead ends: 174 [2021-10-07 15:07:29,746 INFO L226 Difference]: Without dead ends: 174 [2021-10-07 15:07:29,747 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 14.2ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-07 15:07:29,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2021-10-07 15:07:29,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2021-10-07 15:07:29,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 140 states have (on average 3.057142857142857) internal successors, (428), 173 states have internal predecessors, (428), 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) [2021-10-07 15:07:29,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 428 transitions. [2021-10-07 15:07:29,753 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 428 transitions. Word has length 6 [2021-10-07 15:07:29,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:07:29,754 INFO L470 AbstractCegarLoop]: Abstraction has 174 states and 428 transitions. [2021-10-07 15:07:29,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2021-10-07 15:07:29,754 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 428 transitions. [2021-10-07 15:07:29,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-07 15:07:29,755 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:07:29,755 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:07:29,796 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 [2021-10-07 15:07:29,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:07:29,970 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2021-10-07 15:07:29,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:07:29,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1884134606, now seen corresponding path program 1 times [2021-10-07 15:07:29,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:07:29,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099548508] [2021-10-07 15:07:29,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:29,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:07:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:30,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:07:30,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:07:30,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099548508] [2021-10-07 15:07:30,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099548508] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 15:07:30,040 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348711998] [2021-10-07 15:07:30,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:30,040 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:07:30,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:07:30,041 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) [2021-10-07 15:07:30,074 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 [2021-10-07 15:07:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:30,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-07 15:07:30,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:07:30,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:07:30,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [348711998] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 15:07:30,221 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-07 15:07:30,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-10-07 15:07:30,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767012861] [2021-10-07 15:07:30,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-07 15:07:30,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:07:30,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-07 15:07:30,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-10-07 15:07:30,223 INFO L87 Difference]: Start difference. First operand 174 states and 428 transitions. Second operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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) [2021-10-07 15:07:30,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:07:30,366 INFO L93 Difference]: Finished difference Result 254 states and 600 transitions. [2021-10-07 15:07:30,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-07 15:07:30,367 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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 7 [2021-10-07 15:07:30,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:07:30,369 INFO L225 Difference]: With dead ends: 254 [2021-10-07 15:07:30,369 INFO L226 Difference]: Without dead ends: 248 [2021-10-07 15:07:30,370 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 62.1ms TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-10-07 15:07:30,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2021-10-07 15:07:30,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 212. [2021-10-07 15:07:30,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 174 states have (on average 3.0229885057471266) internal successors, (526), 211 states have internal predecessors, (526), 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) [2021-10-07 15:07:30,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 526 transitions. [2021-10-07 15:07:30,378 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 526 transitions. Word has length 7 [2021-10-07 15:07:30,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:07:30,378 INFO L470 AbstractCegarLoop]: Abstraction has 212 states and 526 transitions. [2021-10-07 15:07:30,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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) [2021-10-07 15:07:30,379 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 526 transitions. [2021-10-07 15:07:30,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-07 15:07:30,380 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:07:30,380 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:07:30,418 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-10-07 15:07:30,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,6 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:07:30,594 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2021-10-07 15:07:30,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:07:30,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1715575786, now seen corresponding path program 1 times [2021-10-07 15:07:30,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:07:30,596 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296432583] [2021-10-07 15:07:30,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:30,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:07:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:30,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-07 15:07:30,630 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:07:30,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296432583] [2021-10-07 15:07:30,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296432583] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 15:07:30,631 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:07:30,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-07 15:07:30,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569069108] [2021-10-07 15:07:30,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-07 15:07:30,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:07:30,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-07 15:07:30,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:07:30,633 INFO L87 Difference]: Start difference. First operand 212 states and 526 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 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) [2021-10-07 15:07:30,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:07:30,707 INFO L93 Difference]: Finished difference Result 314 states and 785 transitions. [2021-10-07 15:07:30,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:07:30,708 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 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 8 [2021-10-07 15:07:30,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:07:30,711 INFO L225 Difference]: With dead ends: 314 [2021-10-07 15:07:30,711 INFO L226 Difference]: Without dead ends: 314 [2021-10-07 15:07:30,712 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:07:30,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2021-10-07 15:07:30,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 236. [2021-10-07 15:07:30,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 198 states have (on average 3.388888888888889) internal successors, (671), 235 states have internal predecessors, (671), 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) [2021-10-07 15:07:30,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 671 transitions. [2021-10-07 15:07:30,722 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 671 transitions. Word has length 8 [2021-10-07 15:07:30,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:07:30,723 INFO L470 AbstractCegarLoop]: Abstraction has 236 states and 671 transitions. [2021-10-07 15:07:30,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 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) [2021-10-07 15:07:30,723 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 671 transitions. [2021-10-07 15:07:30,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-07 15:07:30,724 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:07:30,724 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:07:30,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-07 15:07:30,724 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2021-10-07 15:07:30,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:07:30,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1715575814, now seen corresponding path program 1 times [2021-10-07 15:07:30,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:07:30,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556633984] [2021-10-07 15:07:30,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:30,726 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:07:30,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:30,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-07 15:07:30,781 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:07:30,782 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556633984] [2021-10-07 15:07:30,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556633984] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 15:07:30,782 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:07:30,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-07 15:07:30,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384607042] [2021-10-07 15:07:30,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-07 15:07:30,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:07:30,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-07 15:07:30,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:07:30,784 INFO L87 Difference]: Start difference. First operand 236 states and 671 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 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) [2021-10-07 15:07:30,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:07:30,820 INFO L93 Difference]: Finished difference Result 202 states and 540 transitions. [2021-10-07 15:07:30,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:07:30,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 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 8 [2021-10-07 15:07:30,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:07:30,823 INFO L225 Difference]: With dead ends: 202 [2021-10-07 15:07:30,824 INFO L226 Difference]: Without dead ends: 202 [2021-10-07 15:07:30,824 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:07:30,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2021-10-07 15:07:30,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2021-10-07 15:07:30,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 164 states have (on average 3.292682926829268) internal successors, (540), 201 states have internal predecessors, (540), 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) [2021-10-07 15:07:30,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 540 transitions. [2021-10-07 15:07:30,833 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 540 transitions. Word has length 8 [2021-10-07 15:07:30,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:07:30,833 INFO L470 AbstractCegarLoop]: Abstraction has 202 states and 540 transitions. [2021-10-07 15:07:30,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 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) [2021-10-07 15:07:30,834 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 540 transitions. [2021-10-07 15:07:30,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-07 15:07:30,834 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:07:30,835 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2021-10-07 15:07:30,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-07 15:07:30,835 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2021-10-07 15:07:30,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:07:30,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1948142210, now seen corresponding path program 2 times [2021-10-07 15:07:30,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:07:30,836 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482894834] [2021-10-07 15:07:30,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:30,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:07:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-07 15:07:30,875 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-07 15:07:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-07 15:07:30,939 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-07 15:07:30,939 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-07 15:07:30,941 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:30,944 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:30,944 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:30,945 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:30,945 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:30,945 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:30,945 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:30,946 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:30,946 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:30,946 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:30,946 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:30,947 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:30,947 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:30,947 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:30,947 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:30,947 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:30,948 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:30,948 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:30,948 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:30,948 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-07 15:07:30,948 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-07 15:07:30,949 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:30,949 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:30,949 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:30,949 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:30,950 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:30,950 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:30,950 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:30,950 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:30,950 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:30,951 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:30,951 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:30,951 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:30,951 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:30,951 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:30,952 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:30,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-07 15:07:30,961 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-07 15:07:30,961 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-07 15:07:31,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:07:31 BasicIcfg [2021-10-07 15:07:31,004 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-07 15:07:31,009 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-07 15:07:31,010 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-07 15:07:31,010 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-07 15:07:31,011 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:07:16" (3/4) ... [2021-10-07 15:07:31,016 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-07 15:07:31,125 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/weaver/popl20-more-queue-add-2-nl.wvr.c-witness.graphml [2021-10-07 15:07:31,126 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-07 15:07:31,128 INFO L168 Benchmark]: Toolchain (without parser) took 16238.88 ms. Allocated memory was 172.0 MB in the beginning and 248.5 MB in the end (delta: 76.5 MB). Free memory was 146.6 MB in the beginning and 189.1 MB in the end (delta: -42.5 MB). Peak memory consumption was 34.9 MB. Max. memory is 8.0 GB. [2021-10-07 15:07:31,129 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 172.0 MB. Free memory was 142.4 MB in the beginning and 142.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-07 15:07:31,130 INFO L168 Benchmark]: CACSL2BoogieTranslator took 463.22 ms. Allocated memory is still 172.0 MB. Free memory was 146.2 MB in the beginning and 135.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-10-07 15:07:31,131 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.49 ms. Allocated memory is still 172.0 MB. Free memory was 135.4 MB in the beginning and 133.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-07 15:07:31,131 INFO L168 Benchmark]: Boogie Preprocessor took 35.96 ms. Allocated memory is still 172.0 MB. Free memory was 133.4 MB in the beginning and 132.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-07 15:07:31,131 INFO L168 Benchmark]: RCFGBuilder took 1203.74 ms. Allocated memory is still 172.0 MB. Free memory was 131.8 MB in the beginning and 141.8 MB in the end (delta: -10.0 MB). Peak memory consumption was 19.8 MB. Max. memory is 8.0 GB. [2021-10-07 15:07:31,132 INFO L168 Benchmark]: TraceAbstraction took 14340.22 ms. Allocated memory was 172.0 MB in the beginning and 248.5 MB in the end (delta: 76.5 MB). Free memory was 141.3 MB in the beginning and 192.8 MB in the end (delta: -51.5 MB). Peak memory consumption was 25.6 MB. Max. memory is 8.0 GB. [2021-10-07 15:07:31,132 INFO L168 Benchmark]: Witness Printer took 116.32 ms. Allocated memory is still 248.5 MB. Free memory was 192.8 MB in the beginning and 189.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-07 15:07:31,136 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 172.0 MB. Free memory was 142.4 MB in the beginning and 142.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 463.22 ms. Allocated memory is still 172.0 MB. Free memory was 146.2 MB in the beginning and 135.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 54.49 ms. Allocated memory is still 172.0 MB. Free memory was 135.4 MB in the beginning and 133.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 35.96 ms. Allocated memory is still 172.0 MB. Free memory was 133.4 MB in the beginning and 132.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1203.74 ms. Allocated memory is still 172.0 MB. Free memory was 131.8 MB in the beginning and 141.8 MB in the end (delta: -10.0 MB). Peak memory consumption was 19.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 14340.22 ms. Allocated memory was 172.0 MB in the beginning and 248.5 MB in the end (delta: 76.5 MB). Free memory was 141.3 MB in the beginning and 192.8 MB in the end (delta: -51.5 MB). Peak memory consumption was 25.6 MB. Max. memory is 8.0 GB. * Witness Printer took 116.32 ms. Allocated memory is still 248.5 MB. Free memory was 192.8 MB in the beginning and 189.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9977.3ms, 157 PlacesBefore, 41 PlacesAfterwards, 161 TransitionsBefore, 37 TransitionsAfterwards, 2062 CoEnabledTransitionPairs, 7 FixpointIterations, 94 TrivialSequentialCompositions, 64 ConcurrentSequentialCompositions, 16 TrivialYvCompositions, 5 ConcurrentYvCompositions, 8 ChoiceCompositions, 187 TotalNumberOfCompositions, 2866 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2498, positive: 2468, positive conditional: 0, positive unconditional: 2468, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1327, positive: 1316, positive conditional: 0, positive unconditional: 1316, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1327, positive: 1311, positive conditional: 0, positive unconditional: 1311, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 72, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2498, positive: 1152, positive conditional: 0, positive unconditional: 1152, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 1327, unknown conditional: 0, unknown unconditional: 1327] , Statistics on independence cache: Total cache size (in pairs): 75, Positive cache size: 73, Positive conditional cache size: 0, Positive unconditional cache size: 73, 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: 60]: integer overflow possible integer overflow possible We found a FailurePath: [L41] 0 int* q; [L42] 0 int q_front, q_back, n, x, y, s, C, N; [L85] 0 pthread_t t1, t2; [L87] 0 C = __VERIFIER_nondet_int() [L88] 0 N = __VERIFIER_nondet_int() [L89] 0 n = __VERIFIER_nondet_int() [L90] 0 q_front = __VERIFIER_nondet_int() [L91] 0 q_back = q_front [L38] COND FALSE 0 !(!cond) [L38] COND FALSE 0 !(!cond) [L112] 0 int* arr = (int*)malloc(sizeof(int) * (size_t)size); [L113] 0 int i = 0; VAL [C=-1073741825, N=1, n=2, q={0:0}, q_back=0, q_front=0, s=0, x=0, y=0] [L113] COND TRUE 0 i < size [L114] 0 arr[i] = __VERIFIER_nondet_int() [L113] 0 i++ VAL [C=-1073741825, N=1, n=2, q={0:0}, q_back=0, q_front=0, s=0, x=0, y=0] [L113] COND TRUE 0 i < size [L114] 0 arr[i] = __VERIFIER_nondet_int() [L113] 0 i++ VAL [C=-1073741825, n=2, N=1, q={0:0}, q_back=0, q_front=0, s=0, x=0, y=0] [L113] COND FALSE 0 !(i < size) [L116] 0 return arr; [L92] 0 q = create_fresh_int_array(n) [L38] COND FALSE 0 !(!cond) [L97] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [C=-1073741825, N=1, n=2, q={3:0}, q_back=0, q_front=0, s=0, x=0, y=0] [L47] 1 int i=0; VAL [C=-1073741825, N=1, n=2, q={3:0}, q_back=0, q_front=0, s=0, x=0, y=0] [L47] COND TRUE 1 i