/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_92-evilcollapse_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 01:08:24,660 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 01:08:24,664 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 01:08:24,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 01:08:24,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 01:08:24,718 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 01:08:24,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 01:08:24,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 01:08:24,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 01:08:24,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 01:08:24,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 01:08:24,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 01:08:24,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 01:08:24,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 01:08:24,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 01:08:24,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 01:08:24,742 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 01:08:24,743 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 01:08:24,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 01:08:24,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 01:08:24,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 01:08:24,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 01:08:24,758 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 01:08:24,759 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 01:08:24,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-22 01:08:24,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-22 01:08:24,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-22 01:08:24,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-22 01:08:24,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-22 01:08:24,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-22 01:08:24,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 01:08:24,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 01:08:24,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 01:08:24,785 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 01:08:24,786 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 01:08:24,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 01:08:24,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 01:08:24,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 01:08:24,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 01:08:24,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 01:08:24,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 01:08:24,798 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-22 01:08:24,837 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 01:08:24,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 01:08:24,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 01:08:24,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 01:08:24,840 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 01:08:24,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 01:08:24,841 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 01:08:24,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 01:08:24,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 01:08:24,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 01:08:24,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 01:08:24,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 01:08:24,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 01:08:24,843 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 01:08:24,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 01:08:24,844 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 01:08:24,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 01:08:24,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 01:08:24,844 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 01:08:24,844 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 01:08:24,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 01:08:24,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 01:08:24,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 01:08:24,845 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 01:08:24,845 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 01:08:24,845 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 01:08:24,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 01:08:24,846 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 01:08:24,846 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 01:08:24,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 01:08:24,847 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 01:08:25,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 01:08:25,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 01:08:25,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 01:08:25,188 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 01:08:25,188 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 01:08:25,189 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2020-10-22 01:08:25,255 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebb6c2e4d/7e4b9d5c1bff48fc8adb9e9eea1a8cd6/FLAG45df4a104 [2020-10-22 01:08:25,816 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 01:08:25,816 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2020-10-22 01:08:25,832 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebb6c2e4d/7e4b9d5c1bff48fc8adb9e9eea1a8cd6/FLAG45df4a104 [2020-10-22 01:08:26,105 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebb6c2e4d/7e4b9d5c1bff48fc8adb9e9eea1a8cd6 [2020-10-22 01:08:26,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 01:08:26,125 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 01:08:26,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 01:08:26,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 01:08:26,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 01:08:26,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 01:08:26" (1/1) ... [2020-10-22 01:08:26,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64c37c2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:08:26, skipping insertion in model container [2020-10-22 01:08:26,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 01:08:26" (1/1) ... [2020-10-22 01:08:26,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 01:08:26,212 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 01:08:26,812 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-22 01:08:26,812 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-22 01:08:26,813 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-22 01:08:26,814 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-22 01:08:26,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 01:08:26,862 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 01:08:26,904 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-22 01:08:26,905 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-22 01:08:26,905 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-22 01:08:26,906 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-22 01:08:26,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 01:08:27,107 INFO L208 MainTranslator]: Completed translation [2020-10-22 01:08:27,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:08:27 WrapperNode [2020-10-22 01:08:27,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 01:08:27,111 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 01:08:27,112 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 01:08:27,112 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 01:08:27,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:08:27" (1/1) ... [2020-10-22 01:08:27,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:08:27" (1/1) ... [2020-10-22 01:08:27,224 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 01:08:27,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 01:08:27,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 01:08:27,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 01:08:27,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:08:27" (1/1) ... [2020-10-22 01:08:27,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:08:27" (1/1) ... [2020-10-22 01:08:27,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:08:27" (1/1) ... [2020-10-22 01:08:27,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:08:27" (1/1) ... [2020-10-22 01:08:27,256 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:08:27" (1/1) ... [2020-10-22 01:08:27,263 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:08:27" (1/1) ... [2020-10-22 01:08:27,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:08:27" (1/1) ... [2020-10-22 01:08:27,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 01:08:27,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 01:08:27,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 01:08:27,278 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 01:08:27,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:08:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 01:08:27,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 01:08:27,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-22 01:08:27,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 01:08:27,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-22 01:08:27,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 01:08:27,363 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-22 01:08:27,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-22 01:08:27,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-22 01:08:27,366 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2020-10-22 01:08:27,367 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2020-10-22 01:08:27,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 01:08:27,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 01:08:27,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 01:08:27,369 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 01:08:28,065 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 01:08:28,065 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-10-22 01:08:28,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:08:28 BoogieIcfgContainer [2020-10-22 01:08:28,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 01:08:28,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 01:08:28,069 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 01:08:28,073 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 01:08:28,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 01:08:26" (1/3) ... [2020-10-22 01:08:28,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a43c709 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:08:28, skipping insertion in model container [2020-10-22 01:08:28,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:08:27" (2/3) ... [2020-10-22 01:08:28,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a43c709 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:08:28, skipping insertion in model container [2020-10-22 01:08:28,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:08:28" (3/3) ... [2020-10-22 01:08:28,077 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_92-evilcollapse_racing.i [2020-10-22 01:08:28,089 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 01:08:28,089 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 01:08:28,098 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-22 01:08:28,099 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 01:08:28,139 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,140 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,140 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,140 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,140 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,141 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,141 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,141 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,141 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,141 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,142 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,142 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,142 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,142 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,142 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,143 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,143 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,143 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,143 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,143 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,144 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,144 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,144 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,144 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,145 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,145 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,145 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,146 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,146 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,146 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,147 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,147 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,147 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,147 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,147 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,148 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,148 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,148 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,148 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,148 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,149 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,149 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,149 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,149 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,149 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,150 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,150 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,150 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,150 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,150 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,151 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,151 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,151 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,151 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,152 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,152 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,152 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,152 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,152 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,153 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,153 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,153 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,153 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,153 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,153 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,154 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,154 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,154 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,154 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,155 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,155 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,155 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,155 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,156 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,156 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,156 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,156 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,157 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,157 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,157 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,157 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,157 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,158 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,158 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,158 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,158 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,158 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,159 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,159 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,159 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,159 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,159 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,160 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,160 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,160 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,160 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,160 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,161 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,161 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,161 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,161 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,161 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,162 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,162 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,162 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,162 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,163 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,163 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,163 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,163 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,163 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,164 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,164 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,168 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,168 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,168 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,169 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,169 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,169 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,169 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,169 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,170 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,170 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,170 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,170 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,170 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,171 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,171 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,171 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,171 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,171 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,171 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,172 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,172 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,172 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,172 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,172 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,173 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,173 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,173 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,173 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,173 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,173 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,174 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,174 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,174 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:08:28,186 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-10-22 01:08:28,202 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-22 01:08:28,225 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 01:08:28,225 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 01:08:28,226 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 01:08:28,226 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 01:08:28,226 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 01:08:28,226 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 01:08:28,226 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 01:08:28,227 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 01:08:28,246 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 01:08:28,247 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 203 places, 227 transitions, 462 flow [2020-10-22 01:08:28,250 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 203 places, 227 transitions, 462 flow [2020-10-22 01:08:28,252 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 203 places, 227 transitions, 462 flow [2020-10-22 01:08:28,344 INFO L129 PetriNetUnfolder]: 29/241 cut-off events. [2020-10-22 01:08:28,344 INFO L130 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2020-10-22 01:08:28,352 INFO L80 FinitePrefix]: Finished finitePrefix Result has 247 conditions, 241 events. 29/241 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 392 event pairs, 0 based on Foata normal form. 0/208 useless extension candidates. Maximal degree in co-relation 127. Up to 4 conditions per place. [2020-10-22 01:08:28,358 INFO L116 LiptonReduction]: Number of co-enabled transitions 3382 [2020-10-22 01:08:28,913 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 01:08:28,941 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:08:28,942 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 01:08:28,943 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:97, output treesize:98 [2020-10-22 01:08:29,560 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 01:08:29,577 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:08:29,578 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 01:08:29,579 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:97, output treesize:98 [2020-10-22 01:08:30,264 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 01:08:30,289 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:08:30,291 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 01:08:30,291 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:89, output treesize:77 [2020-10-22 01:08:30,830 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 01:08:30,870 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:08:30,872 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-10-22 01:08:30,872 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:225, output treesize:236 [2020-10-22 01:08:31,446 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 01:08:31,486 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:08:31,494 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 01:08:31,542 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:08:31,543 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-22 01:08:31,543 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:104, output treesize:106 [2020-10-22 01:08:32,491 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-10-22 01:08:32,621 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-10-22 01:08:32,793 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-22 01:08:32,815 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 01:08:32,912 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:08:32,914 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-10-22 01:08:32,914 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:165, output treesize:153 [2020-10-22 01:08:33,024 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-10-22 01:08:33,613 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-10-22 01:08:34,043 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2020-10-22 01:08:34,201 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-22 01:08:34,363 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-22 01:08:34,524 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-22 01:08:40,464 WARN L193 SmtUtils]: Spent 5.56 s on a formula simplification that was a NOOP. DAG size: 164 [2020-10-22 01:08:40,505 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 01:08:46,864 WARN L193 SmtUtils]: Spent 6.36 s on a formula simplification that was a NOOP. DAG size: 154 [2020-10-22 01:08:46,865 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:08:46,868 INFO L545 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2020-10-22 01:08:46,869 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:909, output treesize:1103 [2020-10-22 01:08:54,426 WARN L193 SmtUtils]: Spent 7.56 s on a formula simplification that was a NOOP. DAG size: 154 [2020-10-22 01:08:54,835 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 101 [2020-10-22 01:08:54,986 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-22 01:08:55,075 INFO L131 LiptonReduction]: Checked pairs total: 3914 [2020-10-22 01:08:55,076 INFO L133 LiptonReduction]: Total number of compositions: 237 [2020-10-22 01:08:55,083 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 39 transitions, 86 flow [2020-10-22 01:08:55,108 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 107 states. [2020-10-22 01:08:55,111 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2020-10-22 01:08:55,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-22 01:08:55,118 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:08:55,118 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2020-10-22 01:08:55,119 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:08:55,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:08:55,126 INFO L82 PathProgramCache]: Analyzing trace with hash -1028510178, now seen corresponding path program 1 times [2020-10-22 01:08:55,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:08:55,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982979270] [2020-10-22 01:08:55,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:08:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:08:55,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 01:08:55,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982979270] [2020-10-22 01:08:55,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:08:55,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 01:08:55,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1255759559] [2020-10-22 01:08:55,502 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:08:55,507 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:08:55,524 INFO L252 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-10-22 01:08:55,524 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:08:55,528 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:08:55,529 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:08:55,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:08:55,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:08:55,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:08:55,547 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 3 states. [2020-10-22 01:08:55,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:08:55,826 INFO L93 Difference]: Finished difference Result 109 states and 211 transitions. [2020-10-22 01:08:55,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:08:55,834 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-22 01:08:55,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:08:55,845 INFO L225 Difference]: With dead ends: 109 [2020-10-22 01:08:55,845 INFO L226 Difference]: Without dead ends: 102 [2020-10-22 01:08:55,847 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:08:55,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-10-22 01:08:55,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 101. [2020-10-22 01:08:55,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-22 01:08:55,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 198 transitions. [2020-10-22 01:08:55,898 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 198 transitions. Word has length 7 [2020-10-22 01:08:55,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:08:55,899 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 198 transitions. [2020-10-22 01:08:55,899 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:08:55,899 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 198 transitions. [2020-10-22 01:08:55,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-22 01:08:55,900 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:08:55,900 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:08:55,900 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 01:08:55,901 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:08:55,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:08:55,901 INFO L82 PathProgramCache]: Analyzing trace with hash 2073738121, now seen corresponding path program 1 times [2020-10-22 01:08:55,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:08:55,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960938748] [2020-10-22 01:08:55,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:08:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:08:55,997 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 01:08:55,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960938748] [2020-10-22 01:08:55,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:08:55,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 01:08:55,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [344347523] [2020-10-22 01:08:55,999 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:08:56,003 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:08:56,009 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-22 01:08:56,009 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:08:56,010 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:08:56,013 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:08:56,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:08:56,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:08:56,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:08:56,014 INFO L87 Difference]: Start difference. First operand 101 states and 198 transitions. Second operand 3 states. [2020-10-22 01:08:56,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:08:56,101 INFO L93 Difference]: Finished difference Result 102 states and 199 transitions. [2020-10-22 01:08:56,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:08:56,102 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-22 01:08:56,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:08:56,104 INFO L225 Difference]: With dead ends: 102 [2020-10-22 01:08:56,104 INFO L226 Difference]: Without dead ends: 102 [2020-10-22 01:08:56,105 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:08:56,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-10-22 01:08:56,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2020-10-22 01:08:56,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-10-22 01:08:56,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 199 transitions. [2020-10-22 01:08:56,117 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 199 transitions. Word has length 9 [2020-10-22 01:08:56,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:08:56,118 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 199 transitions. [2020-10-22 01:08:56,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:08:56,118 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 199 transitions. [2020-10-22 01:08:56,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-22 01:08:56,118 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:08:56,119 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:08:56,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 01:08:56,119 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:08:56,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:08:56,119 INFO L82 PathProgramCache]: Analyzing trace with hash -869356058, now seen corresponding path program 1 times [2020-10-22 01:08:56,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:08:56,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328141690] [2020-10-22 01:08:56,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:08:56,143 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-22 01:08:56,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1672970428] [2020-10-22 01:08:56,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:08:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:08:56,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-22 01:08:56,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:08:56,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 01:08:56,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328141690] [2020-10-22 01:08:56,308 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-10-22 01:08:56,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672970428] [2020-10-22 01:08:56,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-22 01:08:56,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-22 01:08:56,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1286843800] [2020-10-22 01:08:56,309 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:08:56,311 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:08:56,313 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-10-22 01:08:56,313 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:08:56,313 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:08:56,314 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 01:08:56,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:08:56,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 01:08:56,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-22 01:08:56,315 INFO L87 Difference]: Start difference. First operand 102 states and 199 transitions. Second operand 4 states. [2020-10-22 01:08:56,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:08:56,497 INFO L93 Difference]: Finished difference Result 103 states and 200 transitions. [2020-10-22 01:08:56,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 01:08:56,498 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-22 01:08:56,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:08:56,499 INFO L225 Difference]: With dead ends: 103 [2020-10-22 01:08:56,500 INFO L226 Difference]: Without dead ends: 103 [2020-10-22 01:08:56,500 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-22 01:08:56,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-10-22 01:08:56,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2020-10-22 01:08:56,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-22 01:08:56,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 200 transitions. [2020-10-22 01:08:56,512 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 200 transitions. Word has length 10 [2020-10-22 01:08:56,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:08:56,512 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 200 transitions. [2020-10-22 01:08:56,512 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 01:08:56,512 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 200 transitions. [2020-10-22 01:08:56,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-22 01:08:56,513 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:08:56,513 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:08:56,718 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-10-22 01:08:56,718 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:08:56,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:08:56,719 INFO L82 PathProgramCache]: Analyzing trace with hash -1910962391, now seen corresponding path program 2 times [2020-10-22 01:08:56,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:08:56,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978463833] [2020-10-22 01:08:56,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:08:56,748 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-22 01:08:56,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1455689527] [2020-10-22 01:08:56,748 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:08:56,864 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-22 01:08:56,865 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:08:56,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-22 01:08:56,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:08:56,894 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 01:08:56,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978463833] [2020-10-22 01:08:56,895 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-10-22 01:08:56,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455689527] [2020-10-22 01:08:56,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-22 01:08:56,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-22 01:08:56,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1960509845] [2020-10-22 01:08:56,896 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:08:56,898 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:08:56,901 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-10-22 01:08:56,901 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:08:56,901 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:08:56,902 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 01:08:56,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:08:56,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 01:08:56,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-22 01:08:56,902 INFO L87 Difference]: Start difference. First operand 103 states and 200 transitions. Second operand 5 states. [2020-10-22 01:08:57,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:08:57,316 INFO L93 Difference]: Finished difference Result 104 states and 201 transitions. [2020-10-22 01:08:57,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 01:08:57,317 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-10-22 01:08:57,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:08:57,318 INFO L225 Difference]: With dead ends: 104 [2020-10-22 01:08:57,318 INFO L226 Difference]: Without dead ends: 104 [2020-10-22 01:08:57,319 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-22 01:08:57,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-10-22 01:08:57,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-10-22 01:08:57,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-10-22 01:08:57,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 201 transitions. [2020-10-22 01:08:57,330 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 201 transitions. Word has length 11 [2020-10-22 01:08:57,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:08:57,330 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 201 transitions. [2020-10-22 01:08:57,330 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 01:08:57,330 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 201 transitions. [2020-10-22 01:08:57,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-22 01:08:57,331 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:08:57,331 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:08:57,545 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:08:57,546 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:08:57,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:08:57,547 INFO L82 PathProgramCache]: Analyzing trace with hash 158979654, now seen corresponding path program 3 times [2020-10-22 01:08:57,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:08:57,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049297279] [2020-10-22 01:08:57,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:08:57,566 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-22 01:08:57,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1723856410] [2020-10-22 01:08:57,567 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:08:57,660 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-10-22 01:08:57,661 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:08:57,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-22 01:08:57,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:08:57,683 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-22 01:08:57,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049297279] [2020-10-22 01:08:57,684 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-10-22 01:08:57,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1723856410] [2020-10-22 01:08:57,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-22 01:08:57,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2020-10-22 01:08:57,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [981346226] [2020-10-22 01:08:57,685 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:08:57,687 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:08:57,691 INFO L252 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2020-10-22 01:08:57,691 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:08:57,691 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:08:57,692 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 01:08:57,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:08:57,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 01:08:57,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-22 01:08:57,693 INFO L87 Difference]: Start difference. First operand 104 states and 201 transitions. Second operand 4 states. [2020-10-22 01:08:57,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:08:57,966 INFO L93 Difference]: Finished difference Result 113 states and 212 transitions. [2020-10-22 01:08:57,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 01:08:57,972 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-22 01:08:57,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:08:57,973 INFO L225 Difference]: With dead ends: 113 [2020-10-22 01:08:57,973 INFO L226 Difference]: Without dead ends: 113 [2020-10-22 01:08:57,974 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-22 01:08:57,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-10-22 01:08:57,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 109. [2020-10-22 01:08:57,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-10-22 01:08:57,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 207 transitions. [2020-10-22 01:08:57,983 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 207 transitions. Word has length 12 [2020-10-22 01:08:57,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:08:57,983 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 207 transitions. [2020-10-22 01:08:57,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 01:08:57,983 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 207 transitions. [2020-10-22 01:08:57,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-22 01:08:57,984 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:08:57,984 INFO L422 BasicCegarLoop]: trace histogram [6, 2, 2, 2, 1, 1, 1, 1, 1] [2020-10-22 01:08:58,197 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:08:58,198 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:08:58,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:08:58,198 INFO L82 PathProgramCache]: Analyzing trace with hash -646117602, now seen corresponding path program 4 times [2020-10-22 01:08:58,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:08:58,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803530189] [2020-10-22 01:08:58,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:08:58,233 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-22 01:08:58,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1177847874] [2020-10-22 01:08:58,239 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:08:58,382 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-22 01:08:58,382 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:08:58,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-22 01:08:58,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:08:58,426 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-22 01:08:58,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803530189] [2020-10-22 01:08:58,427 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-10-22 01:08:58,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1177847874] [2020-10-22 01:08:58,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-22 01:08:58,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-22 01:08:58,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [61721942] [2020-10-22 01:08:58,428 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:08:58,432 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:08:58,439 INFO L252 McrAutomatonBuilder]: Finished intersection with 18 states and 17 transitions. [2020-10-22 01:08:58,440 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:08:58,440 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:08:58,440 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-22 01:08:58,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:08:58,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-22 01:08:58,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-22 01:08:58,441 INFO L87 Difference]: Start difference. First operand 109 states and 207 transitions. Second operand 6 states. [2020-10-22 01:08:58,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:08:58,851 INFO L93 Difference]: Finished difference Result 111 states and 209 transitions. [2020-10-22 01:08:58,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 01:08:58,851 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-22 01:08:58,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:08:58,852 INFO L225 Difference]: With dead ends: 111 [2020-10-22 01:08:58,853 INFO L226 Difference]: Without dead ends: 111 [2020-10-22 01:08:58,853 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-22 01:08:58,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-22 01:08:58,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-22 01:08:58,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-22 01:08:58,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 209 transitions. [2020-10-22 01:08:58,860 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 209 transitions. Word has length 17 [2020-10-22 01:08:58,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:08:58,861 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 209 transitions. [2020-10-22 01:08:58,861 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-22 01:08:58,861 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 209 transitions. [2020-10-22 01:08:58,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-22 01:08:58,862 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:08:58,862 INFO L422 BasicCegarLoop]: trace histogram [8, 2, 2, 2, 1, 1, 1, 1, 1] [2020-10-22 01:08:59,075 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:08:59,076 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:08:59,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:08:59,077 INFO L82 PathProgramCache]: Analyzing trace with hash -83870924, now seen corresponding path program 5 times [2020-10-22 01:08:59,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:08:59,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821322139] [2020-10-22 01:08:59,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:08:59,094 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-22 01:08:59,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [285523834] [2020-10-22 01:08:59,095 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown