/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-SP.epf -i ../../../trunk/examples/svcomp/pthread/queue_ok_longer.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 01:14:13,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 01:14:13,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 01:14:13,973 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 01:14:13,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 01:14:13,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 01:14:13,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 01:14:13,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 01:14:13,979 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 01:14:13,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 01:14:13,981 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 01:14:13,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 01:14:13,982 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 01:14:13,983 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 01:14:13,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 01:14:13,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 01:14:13,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 01:14:13,987 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 01:14:13,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 01:14:13,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 01:14:13,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 01:14:13,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 01:14:13,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 01:14:13,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 01:14:13,997 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-22 01:14:14,000 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 01:14:14,000 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 01:14:14,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 01:14:14,002 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 01:14:14,003 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 01:14:14,003 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 01:14:14,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 01:14:14,004 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 01:14:14,004 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 01:14:14,005 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 01:14:14,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 01:14:14,006 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-SP.epf [2020-10-22 01:14:14,051 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 01:14:14,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 01:14:14,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 01:14:14,053 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 01:14:14,053 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 01:14:14,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 01:14:14,054 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 01:14:14,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 01:14:14,057 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 01:14:14,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 01:14:14,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 01:14:14,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 01:14:14,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 01:14:14,058 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 01:14:14,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 01:14:14,058 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 01:14:14,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 01:14:14,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 01:14:14,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 01:14:14,059 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 01:14:14,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 01:14:14,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 01:14:14,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 01:14:14,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 01:14:14,063 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 01:14:14,063 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 01:14:14,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 01:14:14,064 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 01:14:14,064 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 01:14:14,064 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 01:14:14,064 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 01:14:14,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 01:14:14,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 01:14:14,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 01:14:14,396 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 01:14:14,396 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 01:14:14,398 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_ok_longer.i [2020-10-22 01:14:14,471 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e10a767b2/a7fd1bc7613c4788889d5a95a51eabd5/FLAGf3f70fd33 [2020-10-22 01:14:15,069 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 01:14:15,069 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longer.i [2020-10-22 01:14:15,089 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e10a767b2/a7fd1bc7613c4788889d5a95a51eabd5/FLAGf3f70fd33 [2020-10-22 01:14:15,319 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e10a767b2/a7fd1bc7613c4788889d5a95a51eabd5 [2020-10-22 01:14:15,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 01:14:15,334 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 01:14:15,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 01:14:15,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 01:14:15,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 01:14:15,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 01:14:15" (1/1) ... [2020-10-22 01:14:15,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56fbd403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:15, skipping insertion in model container [2020-10-22 01:14:15,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 01:14:15" (1/1) ... [2020-10-22 01:14:15,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 01:14:15,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 01:14:15,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 01:14:15,951 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 01:14:16,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 01:14:16,199 INFO L208 MainTranslator]: Completed translation [2020-10-22 01:14:16,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:16 WrapperNode [2020-10-22 01:14:16,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 01:14:16,200 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 01:14:16,200 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 01:14:16,200 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 01:14:16,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:16" (1/1) ... [2020-10-22 01:14:16,234 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:16" (1/1) ... [2020-10-22 01:14:16,266 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 01:14:16,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 01:14:16,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 01:14:16,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 01:14:16,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:16" (1/1) ... [2020-10-22 01:14:16,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:16" (1/1) ... [2020-10-22 01:14:16,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:16" (1/1) ... [2020-10-22 01:14:16,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:16" (1/1) ... [2020-10-22 01:14:16,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:16" (1/1) ... [2020-10-22 01:14:16,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:16" (1/1) ... [2020-10-22 01:14:16,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:16" (1/1) ... [2020-10-22 01:14:16,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 01:14:16,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 01:14:16,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 01:14:16,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 01:14:16,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:16" (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 01:14:16,404 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-22 01:14:16,404 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-22 01:14:16,404 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-22 01:14:16,404 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-22 01:14:16,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 01:14:16,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 01:14:16,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-22 01:14:16,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 01:14:16,405 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-22 01:14:16,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 01:14:16,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 01:14:16,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 01:14:16,408 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 01:14:17,200 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 01:14:17,200 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-10-22 01:14:17,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:14:17 BoogieIcfgContainer [2020-10-22 01:14:17,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 01:14:17,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 01:14:17,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 01:14:17,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 01:14:17,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 01:14:15" (1/3) ... [2020-10-22 01:14:17,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ba0e74d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:14:17, skipping insertion in model container [2020-10-22 01:14:17,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:14:16" (2/3) ... [2020-10-22 01:14:17,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ba0e74d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:14:17, skipping insertion in model container [2020-10-22 01:14:17,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:14:17" (3/3) ... [2020-10-22 01:14:17,211 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_ok_longer.i [2020-10-22 01:14:17,222 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 01:14:17,223 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 01:14:17,230 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-22 01:14:17,231 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 01:14:17,283 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,284 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,284 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,284 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,284 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,285 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,285 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,285 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,285 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,286 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,286 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,286 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,287 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,287 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,287 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,287 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,287 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,288 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,288 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,288 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,288 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,288 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,289 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,289 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,289 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,289 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,289 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,289 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,290 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,290 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,290 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,290 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,290 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,290 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,291 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,291 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,291 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,291 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,291 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,292 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,292 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,292 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,292 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,292 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,293 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,293 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,293 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,293 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,293 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,293 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,294 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,294 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,294 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,294 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,294 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,295 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,295 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,295 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,295 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,295 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,295 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,296 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,296 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,296 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,296 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,296 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,297 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,297 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,297 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,297 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,297 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,298 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,298 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,298 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,298 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,299 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,299 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,299 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,299 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,299 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,300 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,300 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,300 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,300 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,300 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,301 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,302 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,302 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,303 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,303 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,303 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,303 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,303 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,304 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,304 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,304 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,304 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,305 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,305 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,305 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,305 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,305 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,306 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,306 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,306 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,306 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,306 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,307 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,307 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,307 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,307 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,307 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,308 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,308 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,308 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,308 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,308 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,309 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,309 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,309 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,309 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,309 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,309 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,310 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,310 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,310 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,310 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,310 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,311 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,311 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,311 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,311 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,311 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,311 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,312 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,312 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,312 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,312 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,312 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,313 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,313 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,313 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,313 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,313 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,313 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,314 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,314 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,314 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,314 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,314 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,314 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,315 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,315 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,315 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,315 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,315 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,316 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,316 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,316 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,316 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,316 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,316 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,317 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,317 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,317 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,317 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,317 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,317 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,318 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,318 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,318 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,318 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,318 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,319 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,319 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,319 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,319 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,319 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,320 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,320 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,320 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,320 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,320 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,320 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,321 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,321 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,321 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,321 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,321 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,321 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,322 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,322 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,322 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,322 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,322 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,322 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,323 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,323 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,323 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,323 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,323 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,324 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,324 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,324 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,324 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,324 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,324 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,325 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,325 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,325 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,325 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,325 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,326 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,326 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,326 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,326 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,329 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,330 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,330 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,330 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,330 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,330 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,331 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,331 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,331 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,331 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,331 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,331 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,332 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,332 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,332 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,332 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,332 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,333 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,333 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,333 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,333 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,333 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,334 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,334 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,334 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,334 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,334 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,335 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,335 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,335 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,335 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,335 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,335 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,343 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,343 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,343 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,344 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,344 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,344 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,344 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,344 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,345 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,345 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,345 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,345 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,345 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,346 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,346 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,346 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,346 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,346 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,347 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,347 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,347 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,347 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,347 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:14:17,359 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-22 01:14:17,372 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-22 01:14:17,392 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 01:14:17,393 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 01:14:17,393 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 01:14:17,393 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 01:14:17,393 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 01:14:17,393 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 01:14:17,393 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 01:14:17,393 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 01:14:17,410 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 01:14:17,411 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 208 places, 218 transitions, 458 flow [2020-10-22 01:14:17,413 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 208 places, 218 transitions, 458 flow [2020-10-22 01:14:17,415 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 208 places, 218 transitions, 458 flow [2020-10-22 01:14:17,500 INFO L129 PetriNetUnfolder]: 16/218 cut-off events. [2020-10-22 01:14:17,500 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-22 01:14:17,509 INFO L80 FinitePrefix]: Finished finitePrefix Result has 229 conditions, 218 events. 16/218 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 382 event pairs, 0 based on Foata normal form. 0/201 useless extension candidates. Maximal degree in co-relation 144. Up to 3 conditions per place. [2020-10-22 01:14:17,520 INFO L116 LiptonReduction]: Number of co-enabled transitions 10000 [2020-10-22 01:14:20,194 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-22 01:14:20,333 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-22 01:14:20,844 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-22 01:14:21,453 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 108 [2020-10-22 01:14:21,664 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-22 01:14:23,700 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 172 DAG size of output: 166 [2020-10-22 01:14:24,403 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-22 01:14:25,750 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 167 DAG size of output: 161 [2020-10-22 01:14:26,398 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-22 01:14:28,035 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 183 DAG size of output: 178 [2020-10-22 01:14:29,635 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 174 [2020-10-22 01:14:29,659 INFO L131 LiptonReduction]: Checked pairs total: 25000 [2020-10-22 01:14:29,659 INFO L133 LiptonReduction]: Total number of compositions: 203 [2020-10-22 01:14:29,665 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 55 transitions, 132 flow [2020-10-22 01:14:29,709 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 716 states. [2020-10-22 01:14:29,711 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states. [2020-10-22 01:14:29,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-10-22 01:14:29,716 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:29,716 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-10-22 01:14:29,717 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:29,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:29,723 INFO L82 PathProgramCache]: Analyzing trace with hash 870, now seen corresponding path program 1 times [2020-10-22 01:14:29,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:29,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931008134] [2020-10-22 01:14:29,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:29,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:29,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:29,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931008134] [2020-10-22 01:14:29,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:14:29,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-10-22 01:14:29,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [964152724] [2020-10-22 01:14:29,896 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:29,898 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:29,906 INFO L252 McrAutomatonBuilder]: Finished intersection with 2 states and 1 transitions. [2020-10-22 01:14:29,906 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:29,910 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:14:29,911 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-22 01:14:29,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:29,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-22 01:14:29,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-22 01:14:29,928 INFO L87 Difference]: Start difference. First operand 716 states. Second operand 2 states. [2020-10-22 01:14:29,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:29,963 INFO L93 Difference]: Finished difference Result 715 states and 1901 transitions. [2020-10-22 01:14:29,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-22 01:14:29,964 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-10-22 01:14:29,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:29,984 INFO L225 Difference]: With dead ends: 715 [2020-10-22 01:14:29,984 INFO L226 Difference]: Without dead ends: 524 [2020-10-22 01:14:29,986 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-22 01:14:30,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-10-22 01:14:30,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2020-10-22 01:14:30,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2020-10-22 01:14:30,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 1400 transitions. [2020-10-22 01:14:30,089 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 1400 transitions. Word has length 1 [2020-10-22 01:14:30,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:14:30,089 INFO L481 AbstractCegarLoop]: Abstraction has 524 states and 1400 transitions. [2020-10-22 01:14:30,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-22 01:14:30,089 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 1400 transitions. [2020-10-22 01:14:30,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-22 01:14:30,098 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:30,098 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:14:30,099 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 01:14:30,099 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:30,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:30,099 INFO L82 PathProgramCache]: Analyzing trace with hash 135778570, now seen corresponding path program 1 times [2020-10-22 01:14:30,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:30,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607293563] [2020-10-22 01:14:30,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:30,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:30,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:30,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607293563] [2020-10-22 01:14:30,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:14:30,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 01:14:30,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2138617365] [2020-10-22 01:14:30,320 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:30,324 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:30,330 INFO L252 McrAutomatonBuilder]: Finished intersection with 16 states and 15 transitions. [2020-10-22 01:14:30,330 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:30,330 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:14:30,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:14:30,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:30,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:14:30,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:14:30,333 INFO L87 Difference]: Start difference. First operand 524 states and 1400 transitions. Second operand 3 states. [2020-10-22 01:14:30,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:30,344 INFO L93 Difference]: Finished difference Result 236 states and 509 transitions. [2020-10-22 01:14:30,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:14:30,345 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-10-22 01:14:30,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:30,346 INFO L225 Difference]: With dead ends: 236 [2020-10-22 01:14:30,347 INFO L226 Difference]: Without dead ends: 212 [2020-10-22 01:14:30,348 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 01:14:30,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-10-22 01:14:30,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2020-10-22 01:14:30,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-10-22 01:14:30,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 464 transitions. [2020-10-22 01:14:30,359 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 464 transitions. Word has length 15 [2020-10-22 01:14:30,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:14:30,359 INFO L481 AbstractCegarLoop]: Abstraction has 212 states and 464 transitions. [2020-10-22 01:14:30,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:14:30,359 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 464 transitions. [2020-10-22 01:14:30,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-22 01:14:30,361 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:30,361 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:14:30,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 01:14:30,361 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:30,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:30,362 INFO L82 PathProgramCache]: Analyzing trace with hash -487135186, now seen corresponding path program 1 times [2020-10-22 01:14:30,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:30,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279906544] [2020-10-22 01:14:30,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:30,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:30,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:30,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279906544] [2020-10-22 01:14:30,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:14:30,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 01:14:30,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [466406137] [2020-10-22 01:14:30,439 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:30,444 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:30,454 INFO L252 McrAutomatonBuilder]: Finished intersection with 31 states and 41 transitions. [2020-10-22 01:14:30,455 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:30,599 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [4074#(not (= (select (select |#pthreadsMutex| |~#m~0.base|) |~#m~0.offset|) 0))] [2020-10-22 01:14:30,600 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 01:14:30,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:30,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 01:14:30,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-22 01:14:30,601 INFO L87 Difference]: Start difference. First operand 212 states and 464 transitions. Second operand 4 states. [2020-10-22 01:14:30,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:30,633 INFO L93 Difference]: Finished difference Result 162 states and 327 transitions. [2020-10-22 01:14:30,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:14:30,634 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-10-22 01:14:30,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:30,636 INFO L225 Difference]: With dead ends: 162 [2020-10-22 01:14:30,636 INFO L226 Difference]: Without dead ends: 160 [2020-10-22 01:14:30,636 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 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 01:14:30,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-10-22 01:14:30,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2020-10-22 01:14:30,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-10-22 01:14:30,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 324 transitions. [2020-10-22 01:14:30,655 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 324 transitions. Word has length 19 [2020-10-22 01:14:30,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:14:30,655 INFO L481 AbstractCegarLoop]: Abstraction has 160 states and 324 transitions. [2020-10-22 01:14:30,656 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 01:14:30,656 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 324 transitions. [2020-10-22 01:14:30,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-22 01:14:30,657 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:30,657 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:14:30,657 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 01:14:30,657 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:30,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:30,658 INFO L82 PathProgramCache]: Analyzing trace with hash -2076929182, now seen corresponding path program 1 times [2020-10-22 01:14:30,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:30,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147183274] [2020-10-22 01:14:30,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:30,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:30,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147183274] [2020-10-22 01:14:30,708 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:14:30,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 01:14:30,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [679278609] [2020-10-22 01:14:30,709 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:30,713 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:30,724 INFO L252 McrAutomatonBuilder]: Finished intersection with 31 states and 40 transitions. [2020-10-22 01:14:30,724 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:30,768 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:14:30,769 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:14:30,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:30,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:14:30,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:14:30,770 INFO L87 Difference]: Start difference. First operand 160 states and 324 transitions. Second operand 3 states. [2020-10-22 01:14:30,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:30,793 INFO L93 Difference]: Finished difference Result 200 states and 398 transitions. [2020-10-22 01:14:30,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:14:30,794 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-10-22 01:14:30,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:30,796 INFO L225 Difference]: With dead ends: 200 [2020-10-22 01:14:30,796 INFO L226 Difference]: Without dead ends: 200 [2020-10-22 01:14:30,796 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 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 01:14:30,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-10-22 01:14:30,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 164. [2020-10-22 01:14:30,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-10-22 01:14:30,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 331 transitions. [2020-10-22 01:14:30,806 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 331 transitions. Word has length 20 [2020-10-22 01:14:30,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:14:30,807 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 331 transitions. [2020-10-22 01:14:30,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:14:30,807 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 331 transitions. [2020-10-22 01:14:30,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-22 01:14:30,808 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:30,808 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:14:30,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-22 01:14:30,809 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:30,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:30,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1915648921, now seen corresponding path program 1 times [2020-10-22 01:14:30,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:30,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891643620] [2020-10-22 01:14:30,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:30,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:30,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:30,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891643620] [2020-10-22 01:14:30,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365017103] [2020-10-22 01:14:30,871 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 01:14:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:31,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-22 01:14:31,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:14:31,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:31,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:14:31,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-10-22 01:14:31,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1255379519] [2020-10-22 01:14:31,094 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:31,102 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:31,118 INFO L252 McrAutomatonBuilder]: Finished intersection with 42 states and 55 transitions. [2020-10-22 01:14:31,119 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:31,257 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:14:31,257 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 01:14:31,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:31,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 01:14:31,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-22 01:14:31,259 INFO L87 Difference]: Start difference. First operand 164 states and 331 transitions. Second operand 4 states. [2020-10-22 01:14:31,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:31,297 INFO L93 Difference]: Finished difference Result 240 states and 472 transitions. [2020-10-22 01:14:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 01:14:31,298 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2020-10-22 01:14:31,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:31,300 INFO L225 Difference]: With dead ends: 240 [2020-10-22 01:14:31,300 INFO L226 Difference]: Without dead ends: 240 [2020-10-22 01:14:31,301 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 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 01:14:31,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-10-22 01:14:31,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 204. [2020-10-22 01:14:31,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-10-22 01:14:31,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 405 transitions. [2020-10-22 01:14:31,320 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 405 transitions. Word has length 27 [2020-10-22 01:14:31,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:14:31,320 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 405 transitions. [2020-10-22 01:14:31,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 01:14:31,320 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 405 transitions. [2020-10-22 01:14:31,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-22 01:14:31,326 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:31,327 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:14:31,541 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:14:31,542 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:31,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:31,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1084664894, now seen corresponding path program 2 times [2020-10-22 01:14:31,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:31,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503699021] [2020-10-22 01:14:31,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:31,670 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:31,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503699021] [2020-10-22 01:14:31,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660117960] [2020-10-22 01:14:31,671 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 01:14:31,863 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-22 01:14:31,863 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:14:31,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-22 01:14:31,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:14:31,899 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:31,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:14:31,900 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-10-22 01:14:31,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [711025551] [2020-10-22 01:14:31,901 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:31,911 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:31,939 INFO L252 McrAutomatonBuilder]: Finished intersection with 56 states and 76 transitions. [2020-10-22 01:14:31,939 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:32,224 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:14:32,225 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 01:14:32,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:32,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 01:14:32,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-22 01:14:32,226 INFO L87 Difference]: Start difference. First operand 204 states and 405 transitions. Second operand 5 states. [2020-10-22 01:14:32,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:32,322 INFO L93 Difference]: Finished difference Result 280 states and 546 transitions. [2020-10-22 01:14:32,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 01:14:32,328 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-10-22 01:14:32,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:32,330 INFO L225 Difference]: With dead ends: 280 [2020-10-22 01:14:32,331 INFO L226 Difference]: Without dead ends: 280 [2020-10-22 01:14:32,331 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-22 01:14:32,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2020-10-22 01:14:32,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 244. [2020-10-22 01:14:32,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-10-22 01:14:32,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 479 transitions. [2020-10-22 01:14:32,340 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 479 transitions. Word has length 34 [2020-10-22 01:14:32,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:14:32,341 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 479 transitions. [2020-10-22 01:14:32,341 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 01:14:32,341 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 479 transitions. [2020-10-22 01:14:32,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-22 01:14:32,345 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:32,345 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:14:32,556 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:14:32,557 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:32,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:32,558 INFO L82 PathProgramCache]: Analyzing trace with hash 407214087, now seen corresponding path program 3 times [2020-10-22 01:14:32,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:32,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359795759] [2020-10-22 01:14:32,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:32,672 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:32,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359795759] [2020-10-22 01:14:32,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71975929] [2020-10-22 01:14:32,673 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 01:14:33,456 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-10-22 01:14:33,456 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:14:33,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-22 01:14:33,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:14:33,505 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:33,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:14:33,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2020-10-22 01:14:33,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1345211406] [2020-10-22 01:14:33,507 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:33,521 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:33,560 INFO L252 McrAutomatonBuilder]: Finished intersection with 70 states and 97 transitions. [2020-10-22 01:14:33,561 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:33,870 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:14:33,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-22 01:14:33,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:33,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-22 01:14:33,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-22 01:14:33,871 INFO L87 Difference]: Start difference. First operand 244 states and 479 transitions. Second operand 6 states. [2020-10-22 01:14:33,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:33,918 INFO L93 Difference]: Finished difference Result 320 states and 620 transitions. [2020-10-22 01:14:33,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 01:14:33,923 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2020-10-22 01:14:33,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:33,925 INFO L225 Difference]: With dead ends: 320 [2020-10-22 01:14:33,925 INFO L226 Difference]: Without dead ends: 320 [2020-10-22 01:14:33,925 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-22 01:14:33,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2020-10-22 01:14:33,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 284. [2020-10-22 01:14:33,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-10-22 01:14:33,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 553 transitions. [2020-10-22 01:14:33,935 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 553 transitions. Word has length 41 [2020-10-22 01:14:33,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:14:33,935 INFO L481 AbstractCegarLoop]: Abstraction has 284 states and 553 transitions. [2020-10-22 01:14:33,935 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-22 01:14:33,935 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 553 transitions. [2020-10-22 01:14:33,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-22 01:14:33,936 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:33,936 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:14:34,149 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:14:34,150 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:34,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:34,151 INFO L82 PathProgramCache]: Analyzing trace with hash -311038942, now seen corresponding path program 4 times [2020-10-22 01:14:34,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:34,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420296794] [2020-10-22 01:14:34,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:34,306 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:34,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420296794] [2020-10-22 01:14:34,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352339854] [2020-10-22 01:14:34,307 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 01:14:34,495 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-22 01:14:34,495 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:14:34,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-22 01:14:34,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:14:34,527 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:34,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:14:34,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2020-10-22 01:14:34,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [81500195] [2020-10-22 01:14:34,528 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:34,540 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:34,652 INFO L252 McrAutomatonBuilder]: Finished intersection with 84 states and 118 transitions. [2020-10-22 01:14:34,653 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:35,050 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:14:35,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-22 01:14:35,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:35,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-22 01:14:35,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-10-22 01:14:35,052 INFO L87 Difference]: Start difference. First operand 284 states and 553 transitions. Second operand 7 states. [2020-10-22 01:14:35,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:35,099 INFO L93 Difference]: Finished difference Result 360 states and 694 transitions. [2020-10-22 01:14:35,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-22 01:14:35,099 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 48 [2020-10-22 01:14:35,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:35,102 INFO L225 Difference]: With dead ends: 360 [2020-10-22 01:14:35,102 INFO L226 Difference]: Without dead ends: 360 [2020-10-22 01:14:35,102 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-10-22 01:14:35,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-10-22 01:14:35,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 324. [2020-10-22 01:14:35,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2020-10-22 01:14:35,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 627 transitions. [2020-10-22 01:14:35,115 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 627 transitions. Word has length 48 [2020-10-22 01:14:35,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:14:35,117 INFO L481 AbstractCegarLoop]: Abstraction has 324 states and 627 transitions. [2020-10-22 01:14:35,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-22 01:14:35,118 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 627 transitions. [2020-10-22 01:14:35,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-22 01:14:35,119 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:35,119 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:14:35,322 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:14:35,323 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:35,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:35,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1178676313, now seen corresponding path program 5 times [2020-10-22 01:14:35,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:35,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744897473] [2020-10-22 01:14:35,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:35,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:35,420 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:35,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744897473] [2020-10-22 01:14:35,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740576982] [2020-10-22 01:14:35,421 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 [2020-10-22 01:14:35,558 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-10-22 01:14:35,558 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:14:35,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 38 conjunts are in the unsatisfiable core [2020-10-22 01:14:35,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:14:35,624 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-10-22 01:14:35,624 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:35,628 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:35,628 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:14:35,628 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2020-10-22 01:14:35,686 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:35,686 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-10-22 01:14:35,687 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:35,725 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-10-22 01:14:35,727 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 01:14:35,734 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-22 01:14:35,734 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-10-22 01:14:35,801 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 01:14:35,885 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:35,886 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2020-10-22 01:14:35,888 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 01:14:35,894 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:35,900 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-22 01:14:35,920 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:35,921 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-22 01:14:35,922 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:36,018 INFO L625 ElimStorePlain]: treesize reduction 50, result has 64.8 percent of original size [2020-10-22 01:14:36,027 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-22 01:14:36,028 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-10-22 01:14:36,074 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 01:14:36,091 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-10-22 01:14:36,091 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:36,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-22 01:14:36,102 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-22 01:14:36,102 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:36,132 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:36,134 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-22 01:14:36,134 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-22 01:14:36,198 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-10-22 01:14:36,199 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:36,209 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:36,209 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:14:36,210 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-10-22 01:14:36,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-22 01:14:36,288 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 32 [2020-10-22 01:14:36,289 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:36,297 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:36,300 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:14:36,301 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:40, output treesize:9 [2020-10-22 01:14:36,353 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:36,353 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 57 [2020-10-22 01:14:36,355 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:36,372 INFO L625 ElimStorePlain]: treesize reduction 30, result has 44.4 percent of original size [2020-10-22 01:14:36,374 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:14:36,374 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-10-22 01:14:36,413 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-10-22 01:14:36,414 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2020-10-22 01:14:36,415 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:36,419 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:36,420 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:14:36,420 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-10-22 01:14:36,438 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 63 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-22 01:14:36,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:14:36,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2020-10-22 01:14:36,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1412585304] [2020-10-22 01:14:36,439 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:36,462 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:36,957 INFO L252 McrAutomatonBuilder]: Finished intersection with 98 states and 139 transitions. [2020-10-22 01:14:36,958 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:37,476 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:14:37,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-22 01:14:37,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:37,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-22 01:14:37,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2020-10-22 01:14:37,478 INFO L87 Difference]: Start difference. First operand 324 states and 627 transitions. Second operand 8 states. [2020-10-22 01:14:37,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:37,549 INFO L93 Difference]: Finished difference Result 400 states and 768 transitions. [2020-10-22 01:14:37,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-22 01:14:37,550 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 55 [2020-10-22 01:14:37,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:37,553 INFO L225 Difference]: With dead ends: 400 [2020-10-22 01:14:37,554 INFO L226 Difference]: Without dead ends: 400 [2020-10-22 01:14:37,554 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2020-10-22 01:14:37,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2020-10-22 01:14:37,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 364. [2020-10-22 01:14:37,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2020-10-22 01:14:37,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 701 transitions. [2020-10-22 01:14:37,565 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 701 transitions. Word has length 55 [2020-10-22 01:14:37,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:14:37,566 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 701 transitions. [2020-10-22 01:14:37,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-22 01:14:37,566 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 701 transitions. [2020-10-22 01:14:37,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-22 01:14:37,568 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:37,568 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:14:37,781 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:14:37,782 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:37,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:37,782 INFO L82 PathProgramCache]: Analyzing trace with hash 871390338, now seen corresponding path program 6 times [2020-10-22 01:14:37,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:37,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100086860] [2020-10-22 01:14:37,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:37,953 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:37,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100086860] [2020-10-22 01:14:37,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958030619] [2020-10-22 01:14:37,956 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:14:38,363 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2020-10-22 01:14:38,364 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:14:38,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 30 conjunts are in the unsatisfiable core [2020-10-22 01:14:38,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:14:38,386 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1251 treesize of output 1187 [2020-10-22 01:14:38,389 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:38,547 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 24 [2020-10-22 01:14:38,548 INFO L625 ElimStorePlain]: treesize reduction 1056, result has 2.3 percent of original size [2020-10-22 01:14:38,551 INFO L545 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:14:38,552 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:26, output treesize:4 [2020-10-22 01:14:38,580 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-10-22 01:14:38,581 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:38,585 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:38,586 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:14:38,586 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-10-22 01:14:38,611 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-22 01:14:38,612 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:38,620 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:38,621 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:14:38,621 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2020-10-22 01:14:38,677 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:38,678 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 57 [2020-10-22 01:14:38,679 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:38,697 INFO L625 ElimStorePlain]: treesize reduction 30, result has 44.4 percent of original size [2020-10-22 01:14:38,698 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:14:38,699 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-10-22 01:14:38,729 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-10-22 01:14:38,730 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2020-10-22 01:14:38,730 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:38,736 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:38,737 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:14:38,737 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-10-22 01:14:38,744 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 52 proven. 5 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-10-22 01:14:38,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:14:38,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 15 [2020-10-22 01:14:38,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1681078040] [2020-10-22 01:14:38,745 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:38,772 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:38,923 INFO L252 McrAutomatonBuilder]: Finished intersection with 112 states and 160 transitions. [2020-10-22 01:14:38,923 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:39,437 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:14:39,438 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-22 01:14:39,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:39,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-22 01:14:39,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2020-10-22 01:14:39,439 INFO L87 Difference]: Start difference. First operand 364 states and 701 transitions. Second operand 9 states. [2020-10-22 01:14:39,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:39,517 INFO L93 Difference]: Finished difference Result 440 states and 842 transitions. [2020-10-22 01:14:39,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-22 01:14:39,518 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-10-22 01:14:39,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:39,520 INFO L225 Difference]: With dead ends: 440 [2020-10-22 01:14:39,521 INFO L226 Difference]: Without dead ends: 440 [2020-10-22 01:14:39,521 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2020-10-22 01:14:39,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2020-10-22 01:14:39,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 404. [2020-10-22 01:14:39,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2020-10-22 01:14:39,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 775 transitions. [2020-10-22 01:14:39,531 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 775 transitions. Word has length 62 [2020-10-22 01:14:39,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:14:39,531 INFO L481 AbstractCegarLoop]: Abstraction has 404 states and 775 transitions. [2020-10-22 01:14:39,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-22 01:14:39,532 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 775 transitions. [2020-10-22 01:14:39,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-22 01:14:39,533 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:39,533 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:14:39,745 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:14:39,746 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:39,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:39,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1911081145, now seen corresponding path program 7 times [2020-10-22 01:14:39,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:39,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44130975] [2020-10-22 01:14:39,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:39,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:39,942 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:39,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44130975] [2020-10-22 01:14:39,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716297238] [2020-10-22 01:14:39,943 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:14:40,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:40,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-22 01:14:40,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:14:40,093 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:40,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:14:40,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2020-10-22 01:14:40,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1191082415] [2020-10-22 01:14:40,094 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:40,128 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:40,361 INFO L252 McrAutomatonBuilder]: Finished intersection with 126 states and 181 transitions. [2020-10-22 01:14:40,361 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:41,004 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:14:41,005 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-22 01:14:41,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:41,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-22 01:14:41,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-10-22 01:14:41,005 INFO L87 Difference]: Start difference. First operand 404 states and 775 transitions. Second operand 10 states. [2020-10-22 01:14:41,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:41,110 INFO L93 Difference]: Finished difference Result 480 states and 916 transitions. [2020-10-22 01:14:41,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-22 01:14:41,111 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 69 [2020-10-22 01:14:41,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:41,115 INFO L225 Difference]: With dead ends: 480 [2020-10-22 01:14:41,115 INFO L226 Difference]: Without dead ends: 480 [2020-10-22 01:14:41,116 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-10-22 01:14:41,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-10-22 01:14:41,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 444. [2020-10-22 01:14:41,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2020-10-22 01:14:41,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 849 transitions. [2020-10-22 01:14:41,127 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 849 transitions. Word has length 69 [2020-10-22 01:14:41,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:14:41,127 INFO L481 AbstractCegarLoop]: Abstraction has 444 states and 849 transitions. [2020-10-22 01:14:41,128 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-22 01:14:41,128 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 849 transitions. [2020-10-22 01:14:41,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-10-22 01:14:41,129 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:41,129 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:14:41,345 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:14:41,346 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:41,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:41,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1303291106, now seen corresponding path program 8 times [2020-10-22 01:14:41,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:41,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102578302] [2020-10-22 01:14:41,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:41,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:41,597 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:41,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102578302] [2020-10-22 01:14:41,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574164506] [2020-10-22 01:14:41,598 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:14:41,783 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-22 01:14:41,784 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:14:41,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-22 01:14:41,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:14:41,814 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:41,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:14:41,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2020-10-22 01:14:41,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1265047319] [2020-10-22 01:14:41,815 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:41,955 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:42,580 INFO L252 McrAutomatonBuilder]: Finished intersection with 140 states and 202 transitions. [2020-10-22 01:14:42,581 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:43,308 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:14:43,309 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-22 01:14:43,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:43,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-22 01:14:43,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2020-10-22 01:14:43,310 INFO L87 Difference]: Start difference. First operand 444 states and 849 transitions. Second operand 11 states. [2020-10-22 01:14:43,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:43,403 INFO L93 Difference]: Finished difference Result 520 states and 990 transitions. [2020-10-22 01:14:43,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-22 01:14:43,404 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 76 [2020-10-22 01:14:43,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:43,407 INFO L225 Difference]: With dead ends: 520 [2020-10-22 01:14:43,407 INFO L226 Difference]: Without dead ends: 520 [2020-10-22 01:14:43,408 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2020-10-22 01:14:43,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2020-10-22 01:14:43,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 484. [2020-10-22 01:14:43,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2020-10-22 01:14:43,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 923 transitions. [2020-10-22 01:14:43,421 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 923 transitions. Word has length 76 [2020-10-22 01:14:43,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:14:43,421 INFO L481 AbstractCegarLoop]: Abstraction has 484 states and 923 transitions. [2020-10-22 01:14:43,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-22 01:14:43,421 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 923 transitions. [2020-10-22 01:14:43,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-22 01:14:43,423 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:43,423 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:14:43,636 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-10-22 01:14:43,637 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:43,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:43,637 INFO L82 PathProgramCache]: Analyzing trace with hash -341261593, now seen corresponding path program 9 times [2020-10-22 01:14:43,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:43,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841871085] [2020-10-22 01:14:43,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:43,797 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:43,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841871085] [2020-10-22 01:14:43,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750779622] [2020-10-22 01:14:43,798 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:14:44,603 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-10-22 01:14:44,603 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:14:44,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 41 conjunts are in the unsatisfiable core [2020-10-22 01:14:44,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:14:44,667 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-10-22 01:14:44,667 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:44,673 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:44,674 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:14:44,674 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2020-10-22 01:14:44,720 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:44,720 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-10-22 01:14:44,721 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:44,764 INFO L625 ElimStorePlain]: treesize reduction 24, result has 65.7 percent of original size [2020-10-22 01:14:44,768 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 01:14:44,771 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 01:14:44,774 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:14:44,774 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:36, output treesize:23 [2020-10-22 01:14:44,797 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 01:14:44,853 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-22 01:14:44,883 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:44,883 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 99 [2020-10-22 01:14:44,885 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:44,915 INFO L625 ElimStorePlain]: treesize reduction 69, result has 30.3 percent of original size [2020-10-22 01:14:44,916 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:14:44,916 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:40, output treesize:16 [2020-10-22 01:14:44,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-22 01:14:44,943 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-22 01:14:44,944 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:44,951 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:44,952 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:14:44,953 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:16 [2020-10-22 01:14:44,958 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2020-10-22 01:14:44,959 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:14:44,960 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:14:44,960 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:14:44,961 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:1 [2020-10-22 01:14:44,971 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 67 proven. 40 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2020-10-22 01:14:44,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:14:44,972 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7] total 18 [2020-10-22 01:14:44,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2142759891] [2020-10-22 01:14:44,972 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:45,060 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:45,575 INFO L252 McrAutomatonBuilder]: Finished intersection with 154 states and 223 transitions. [2020-10-22 01:14:45,575 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:14:46,507 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:14:46,508 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-22 01:14:46,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:14:46,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-22 01:14:46,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-10-22 01:14:46,508 INFO L87 Difference]: Start difference. First operand 484 states and 923 transitions. Second operand 12 states. [2020-10-22 01:14:46,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:14:46,604 INFO L93 Difference]: Finished difference Result 560 states and 1064 transitions. [2020-10-22 01:14:46,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-22 01:14:46,607 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 83 [2020-10-22 01:14:46,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:14:46,611 INFO L225 Difference]: With dead ends: 560 [2020-10-22 01:14:46,611 INFO L226 Difference]: Without dead ends: 560 [2020-10-22 01:14:46,612 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-10-22 01:14:46,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-10-22 01:14:46,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 524. [2020-10-22 01:14:46,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2020-10-22 01:14:46,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 997 transitions. [2020-10-22 01:14:46,623 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 997 transitions. Word has length 83 [2020-10-22 01:14:46,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:14:46,623 INFO L481 AbstractCegarLoop]: Abstraction has 524 states and 997 transitions. [2020-10-22 01:14:46,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-22 01:14:46,624 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 997 transitions. [2020-10-22 01:14:46,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-22 01:14:46,625 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:14:46,625 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:14:46,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:14:46,839 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:14:46,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:14:46,840 INFO L82 PathProgramCache]: Analyzing trace with hash -350829246, now seen corresponding path program 10 times [2020-10-22 01:14:46,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:14:46,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842675517] [2020-10-22 01:14:46,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:14:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:14:47,014 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:47,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842675517] [2020-10-22 01:14:47,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943933348] [2020-10-22 01:14:47,015 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:14:58,522 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-22 01:14:58,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:14:58,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-22 01:14:58,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:14:58,828 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:14:58,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:14:58,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2020-10-22 01:14:58,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1897190693] [2020-10-22 01:14:58,829 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:14:58,868 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:14:59,780 INFO L252 McrAutomatonBuilder]: Finished intersection with 168 states and 244 transitions. [2020-10-22 01:14:59,781 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:15:00,638 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:15:00,638 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-22 01:15:00,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:15:00,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-22 01:15:00,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2020-10-22 01:15:00,639 INFO L87 Difference]: Start difference. First operand 524 states and 997 transitions. Second operand 13 states. [2020-10-22 01:15:00,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:15:00,804 INFO L93 Difference]: Finished difference Result 600 states and 1138 transitions. [2020-10-22 01:15:00,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-22 01:15:00,805 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 90 [2020-10-22 01:15:00,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:15:00,808 INFO L225 Difference]: With dead ends: 600 [2020-10-22 01:15:00,808 INFO L226 Difference]: Without dead ends: 600 [2020-10-22 01:15:00,808 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2020-10-22 01:15:00,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2020-10-22 01:15:00,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 564. [2020-10-22 01:15:00,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2020-10-22 01:15:00,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 1071 transitions. [2020-10-22 01:15:00,820 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 1071 transitions. Word has length 90 [2020-10-22 01:15:00,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:15:00,820 INFO L481 AbstractCegarLoop]: Abstraction has 564 states and 1071 transitions. [2020-10-22 01:15:00,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-22 01:15:00,821 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 1071 transitions. [2020-10-22 01:15:00,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-22 01:15:00,822 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:15:00,822 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:15:01,023 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:15:01,024 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:15:01,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:15:01,024 INFO L82 PathProgramCache]: Analyzing trace with hash 55408263, now seen corresponding path program 11 times [2020-10-22 01:15:01,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:15:01,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281411132] [2020-10-22 01:15:01,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:15:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:15:01,288 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 396 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:15:01,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281411132] [2020-10-22 01:15:01,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2140993245] [2020-10-22 01:15:01,289 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:15:01,591 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-10-22 01:15:01,591 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:15:01,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 41 conjunts are in the unsatisfiable core [2020-10-22 01:15:01,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:15:01,625 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-10-22 01:15:01,625 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:01,628 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:01,629 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:15:01,629 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2020-10-22 01:15:01,687 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:01,688 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-10-22 01:15:01,689 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:01,737 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-10-22 01:15:01,738 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 01:15:01,750 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-22 01:15:01,750 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-10-22 01:15:01,855 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 01:15:01,871 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-22 01:15:01,875 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-22 01:15:01,907 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:01,908 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-22 01:15:01,909 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:01,935 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:01,935 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2020-10-22 01:15:01,936 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 01:15:01,937 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:02,031 INFO L625 ElimStorePlain]: treesize reduction 50, result has 64.8 percent of original size [2020-10-22 01:15:02,033 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-22 01:15:02,034 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-10-22 01:15:02,082 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 01:15:02,096 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-10-22 01:15:02,096 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:02,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-22 01:15:02,106 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-22 01:15:02,107 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:02,149 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:02,150 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-22 01:15:02,151 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-22 01:15:02,222 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-10-22 01:15:02,224 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:02,234 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:02,234 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:15:02,234 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-10-22 01:15:02,291 INFO L721 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-22 01:15:02,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-22 01:15:02,333 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2020-10-22 01:15:02,333 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:02,378 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:02,398 INFO L545 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-10-22 01:15:02,398 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:103, output treesize:64 [2020-10-22 01:15:08,619 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 36 [2020-10-22 01:15:10,768 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 38 [2020-10-22 01:15:10,806 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:10,807 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 57 [2020-10-22 01:15:10,807 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:10,856 INFO L625 ElimStorePlain]: treesize reduction 30, result has 72.2 percent of original size [2020-10-22 01:15:10,873 INFO L545 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-10-22 01:15:10,873 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:88, output treesize:64 [2020-10-22 01:15:13,011 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 36 [2020-10-22 01:15:13,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-22 01:15:13,051 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-22 01:15:13,051 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:13,071 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:13,078 INFO L545 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-10-22 01:15:13,078 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:79, output treesize:64 [2020-10-22 01:15:13,127 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 256 proven. 8 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2020-10-22 01:15:13,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:15:13,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 24 [2020-10-22 01:15:13,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1787303771] [2020-10-22 01:15:13,128 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:15:13,171 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:15:14,200 INFO L252 McrAutomatonBuilder]: Finished intersection with 182 states and 265 transitions. [2020-10-22 01:15:14,200 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:15:15,260 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:15:15,260 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-22 01:15:15,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:15:15,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-22 01:15:15,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=425, Unknown=2, NotChecked=0, Total=552 [2020-10-22 01:15:15,262 INFO L87 Difference]: Start difference. First operand 564 states and 1071 transitions. Second operand 14 states. [2020-10-22 01:15:15,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:15:15,386 INFO L93 Difference]: Finished difference Result 640 states and 1212 transitions. [2020-10-22 01:15:15,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-22 01:15:15,387 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 97 [2020-10-22 01:15:15,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:15:15,392 INFO L225 Difference]: With dead ends: 640 [2020-10-22 01:15:15,392 INFO L226 Difference]: Without dead ends: 640 [2020-10-22 01:15:15,396 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=125, Invalid=425, Unknown=2, NotChecked=0, Total=552 [2020-10-22 01:15:15,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2020-10-22 01:15:15,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 604. [2020-10-22 01:15:15,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2020-10-22 01:15:15,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 1145 transitions. [2020-10-22 01:15:15,416 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 1145 transitions. Word has length 97 [2020-10-22 01:15:15,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:15:15,416 INFO L481 AbstractCegarLoop]: Abstraction has 604 states and 1145 transitions. [2020-10-22 01:15:15,416 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-22 01:15:15,416 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1145 transitions. [2020-10-22 01:15:15,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-22 01:15:15,419 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:15:15,420 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:15:15,633 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-10-22 01:15:15,633 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:15:15,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:15:15,634 INFO L82 PathProgramCache]: Analyzing trace with hash 302955938, now seen corresponding path program 12 times [2020-10-22 01:15:15,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:15:15,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91976775] [2020-10-22 01:15:15,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:15:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:15:15,863 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:15:15,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91976775] [2020-10-22 01:15:15,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443483898] [2020-10-22 01:15:15,864 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:15:18,811 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2020-10-22 01:15:18,811 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:15:18,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 31 conjunts are in the unsatisfiable core [2020-10-22 01:15:18,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:15:18,839 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 347 treesize of output 331 [2020-10-22 01:15:18,841 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:18,938 INFO L625 ElimStorePlain]: treesize reduction 272, result has 10.2 percent of original size [2020-10-22 01:15:18,941 INFO L545 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:15:18,941 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:33, output treesize:11 [2020-10-22 01:15:18,985 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-10-22 01:15:18,985 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:18,993 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:18,993 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:15:18,993 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:20 [2020-10-22 01:15:19,026 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2020-10-22 01:15:19,027 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:19,035 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:19,036 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:15:19,037 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:30, output treesize:13 [2020-10-22 01:15:19,097 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:19,097 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 49 [2020-10-22 01:15:19,098 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:19,118 INFO L625 ElimStorePlain]: treesize reduction 26, result has 45.8 percent of original size [2020-10-22 01:15:19,119 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:15:19,120 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:34, output treesize:13 [2020-10-22 01:15:19,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-22 01:15:19,146 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-22 01:15:19,146 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:19,154 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:19,155 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:15:19,155 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:13 [2020-10-22 01:15:19,172 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 230 proven. 15 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2020-10-22 01:15:19,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:15:19,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 7] total 21 [2020-10-22 01:15:19,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1998614060] [2020-10-22 01:15:19,173 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:15:19,643 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:15:20,498 INFO L252 McrAutomatonBuilder]: Finished intersection with 196 states and 286 transitions. [2020-10-22 01:15:20,498 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:15:21,854 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:15:21,855 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-22 01:15:21,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:15:21,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-22 01:15:21,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-10-22 01:15:21,856 INFO L87 Difference]: Start difference. First operand 604 states and 1145 transitions. Second operand 15 states. [2020-10-22 01:15:21,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:15:21,998 INFO L93 Difference]: Finished difference Result 680 states and 1286 transitions. [2020-10-22 01:15:21,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-22 01:15:21,999 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 104 [2020-10-22 01:15:22,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:15:22,003 INFO L225 Difference]: With dead ends: 680 [2020-10-22 01:15:22,003 INFO L226 Difference]: Without dead ends: 680 [2020-10-22 01:15:22,003 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-10-22 01:15:22,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2020-10-22 01:15:22,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 644. [2020-10-22 01:15:22,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 644 states. [2020-10-22 01:15:22,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 1219 transitions. [2020-10-22 01:15:22,016 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 1219 transitions. Word has length 104 [2020-10-22 01:15:22,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:15:22,017 INFO L481 AbstractCegarLoop]: Abstraction has 644 states and 1219 transitions. [2020-10-22 01:15:22,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-22 01:15:22,017 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 1219 transitions. [2020-10-22 01:15:22,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-22 01:15:22,019 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:15:22,019 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:15:22,232 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-10-22 01:15:22,233 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:15:22,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:15:22,233 INFO L82 PathProgramCache]: Analyzing trace with hash -2141236697, now seen corresponding path program 13 times [2020-10-22 01:15:22,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:15:22,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822565931] [2020-10-22 01:15:22,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:15:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:15:22,465 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 0 proven. 559 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:15:22,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822565931] [2020-10-22 01:15:22,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794375406] [2020-10-22 01:15:22,465 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:15:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:15:22,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 15 conjunts are in the unsatisfiable core [2020-10-22 01:15:22,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:15:22,683 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 0 proven. 559 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:15:22,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:15:22,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2020-10-22 01:15:22,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2007838980] [2020-10-22 01:15:22,684 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:15:22,737 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:15:23,625 INFO L252 McrAutomatonBuilder]: Finished intersection with 210 states and 307 transitions. [2020-10-22 01:15:23,625 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:15:24,802 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:15:24,802 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-22 01:15:24,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:15:24,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-22 01:15:24,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2020-10-22 01:15:24,803 INFO L87 Difference]: Start difference. First operand 644 states and 1219 transitions. Second operand 16 states. [2020-10-22 01:15:24,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:15:24,932 INFO L93 Difference]: Finished difference Result 720 states and 1360 transitions. [2020-10-22 01:15:24,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-22 01:15:24,933 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 111 [2020-10-22 01:15:24,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:15:24,937 INFO L225 Difference]: With dead ends: 720 [2020-10-22 01:15:24,938 INFO L226 Difference]: Without dead ends: 720 [2020-10-22 01:15:24,938 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2020-10-22 01:15:24,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2020-10-22 01:15:24,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 684. [2020-10-22 01:15:24,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 684 states. [2020-10-22 01:15:24,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 1293 transitions. [2020-10-22 01:15:24,951 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 1293 transitions. Word has length 111 [2020-10-22 01:15:24,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:15:24,951 INFO L481 AbstractCegarLoop]: Abstraction has 684 states and 1293 transitions. [2020-10-22 01:15:24,952 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-22 01:15:24,952 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 1293 transitions. [2020-10-22 01:15:24,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-22 01:15:24,954 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:15:24,954 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:15:25,168 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-10-22 01:15:25,168 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:15:25,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:15:25,169 INFO L82 PathProgramCache]: Analyzing trace with hash 2113703426, now seen corresponding path program 14 times [2020-10-22 01:15:25,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:15:25,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193706241] [2020-10-22 01:15:25,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:15:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:15:25,460 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 0 proven. 651 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:15:25,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193706241] [2020-10-22 01:15:25,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [484934438] [2020-10-22 01:15:25,461 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:15:26,068 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-22 01:15:26,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:15:26,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 16 conjunts are in the unsatisfiable core [2020-10-22 01:15:26,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:15:26,124 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 0 proven. 651 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:15:26,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:15:26,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2020-10-22 01:15:26,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1959808748] [2020-10-22 01:15:26,125 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:15:26,245 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:15:27,744 INFO L252 McrAutomatonBuilder]: Finished intersection with 224 states and 328 transitions. [2020-10-22 01:15:27,744 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:15:28,959 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:15:28,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-22 01:15:28,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:15:28,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-22 01:15:28,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2020-10-22 01:15:28,961 INFO L87 Difference]: Start difference. First operand 684 states and 1293 transitions. Second operand 17 states. [2020-10-22 01:15:29,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:15:29,105 INFO L93 Difference]: Finished difference Result 760 states and 1434 transitions. [2020-10-22 01:15:29,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-22 01:15:29,106 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 118 [2020-10-22 01:15:29,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:15:29,110 INFO L225 Difference]: With dead ends: 760 [2020-10-22 01:15:29,110 INFO L226 Difference]: Without dead ends: 760 [2020-10-22 01:15:29,110 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2020-10-22 01:15:29,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2020-10-22 01:15:29,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 724. [2020-10-22 01:15:29,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2020-10-22 01:15:29,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1367 transitions. [2020-10-22 01:15:29,123 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1367 transitions. Word has length 118 [2020-10-22 01:15:29,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:15:29,124 INFO L481 AbstractCegarLoop]: Abstraction has 724 states and 1367 transitions. [2020-10-22 01:15:29,124 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-22 01:15:29,124 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1367 transitions. [2020-10-22 01:15:29,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-22 01:15:29,126 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:15:29,126 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:15:29,339 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:15:29,340 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:15:29,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:15:29,340 INFO L82 PathProgramCache]: Analyzing trace with hash 683169223, now seen corresponding path program 15 times [2020-10-22 01:15:29,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:15:29,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397992560] [2020-10-22 01:15:29,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:15:29,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:15:29,719 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2020-10-22 01:15:29,897 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 0 proven. 750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:15:29,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397992560] [2020-10-22 01:15:29,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852253556] [2020-10-22 01:15:29,897 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:15:30,750 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-10-22 01:15:30,750 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:15:30,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 36 conjunts are in the unsatisfiable core [2020-10-22 01:15:30,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:15:30,767 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 491 treesize of output 475 [2020-10-22 01:15:30,771 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-22 01:15:30,873 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 23 [2020-10-22 01:15:30,873 INFO L625 ElimStorePlain]: treesize reduction 426, result has 5.5 percent of original size [2020-10-22 01:15:30,877 INFO L545 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:15:30,877 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:26, output treesize:4 [2020-10-22 01:15:30,954 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-10-22 01:15:30,955 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:30,960 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:30,961 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:15:30,961 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:14 [2020-10-22 01:15:30,988 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-22 01:15:30,989 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:30,997 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:30,998 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:15:30,998 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2020-10-22 01:15:31,049 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-22 01:15:31,062 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:31,062 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-22 01:15:31,063 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:31,089 INFO L625 ElimStorePlain]: treesize reduction 30, result has 50.0 percent of original size [2020-10-22 01:15:31,090 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:15:31,090 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:40, output treesize:16 [2020-10-22 01:15:31,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-22 01:15:31,121 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-22 01:15:31,121 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:31,130 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:31,131 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:15:31,131 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:16 [2020-10-22 01:15:31,135 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2020-10-22 01:15:31,136 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:15:31,137 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:15:31,138 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-22 01:15:31,138 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:1 [2020-10-22 01:15:31,158 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 121 proven. 70 refuted. 0 times theorem prover too weak. 559 trivial. 0 not checked. [2020-10-22 01:15:31,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:15:31,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 8] total 25 [2020-10-22 01:15:31,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [370967123] [2020-10-22 01:15:31,159 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:15:31,225 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:15:32,416 INFO L252 McrAutomatonBuilder]: Finished intersection with 238 states and 349 transitions. [2020-10-22 01:15:32,416 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:15:34,666 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 27 DAG size of output: 3 [2020-10-22 01:15:34,785 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:15:34,786 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-22 01:15:34,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:15:34,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-22 01:15:34,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=425, Unknown=0, NotChecked=0, Total=600 [2020-10-22 01:15:34,787 INFO L87 Difference]: Start difference. First operand 724 states and 1367 transitions. Second operand 18 states. [2020-10-22 01:15:34,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:15:34,918 INFO L93 Difference]: Finished difference Result 800 states and 1508 transitions. [2020-10-22 01:15:34,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-22 01:15:34,918 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 125 [2020-10-22 01:15:34,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:15:34,922 INFO L225 Difference]: With dead ends: 800 [2020-10-22 01:15:34,922 INFO L226 Difference]: Without dead ends: 800 [2020-10-22 01:15:34,922 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=175, Invalid=425, Unknown=0, NotChecked=0, Total=600 [2020-10-22 01:15:34,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-10-22 01:15:34,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 764. [2020-10-22 01:15:34,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 764 states. [2020-10-22 01:15:34,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 1441 transitions. [2020-10-22 01:15:34,935 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 1441 transitions. Word has length 125 [2020-10-22 01:15:34,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:15:34,936 INFO L481 AbstractCegarLoop]: Abstraction has 764 states and 1441 transitions. [2020-10-22 01:15:34,936 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-22 01:15:34,936 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1441 transitions. [2020-10-22 01:15:34,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-22 01:15:34,938 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:15:34,938 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:15:35,151 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:15:35,152 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:15:35,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:15:35,153 INFO L82 PathProgramCache]: Analyzing trace with hash -3787166, now seen corresponding path program 16 times [2020-10-22 01:15:35,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:15:35,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802717927] [2020-10-22 01:15:35,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:15:35,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:15:35,522 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 0 proven. 856 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:15:35,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802717927] [2020-10-22 01:15:35,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805516352] [2020-10-22 01:15:35,523 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown