/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix006_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 23:59:24,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 23:59:24,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 23:59:24,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 23:59:24,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 23:59:24,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 23:59:24,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 23:59:24,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 23:59:24,304 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 23:59:24,305 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 23:59:24,306 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 23:59:24,307 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 23:59:24,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 23:59:24,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 23:59:24,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 23:59:24,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 23:59:24,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 23:59:24,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 23:59:24,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 23:59:24,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 23:59:24,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 23:59:24,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 23:59:24,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 23:59:24,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 23:59:24,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-21 23:59:24,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-21 23:59:24,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-21 23:59:24,324 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-21 23:59:24,324 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-21 23:59:24,325 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-21 23:59:24,325 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 23:59:24,326 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 23:59:24,327 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 23:59:24,328 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 23:59:24,329 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 23:59:24,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 23:59:24,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 23:59:24,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 23:59:24,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 23:59:24,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 23:59:24,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 23:59:24,332 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-21 23:59:24,356 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 23:59:24,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 23:59:24,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 23:59:24,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 23:59:24,358 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 23:59:24,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 23:59:24,359 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 23:59:24,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 23:59:24,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 23:59:24,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 23:59:24,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 23:59:24,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 23:59:24,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 23:59:24,360 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 23:59:24,361 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 23:59:24,361 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 23:59:24,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 23:59:24,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 23:59:24,362 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 23:59:24,362 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 23:59:24,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 23:59:24,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 23:59:24,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 23:59:24,363 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-21 23:59:24,363 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 23:59:24,363 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 23:59:24,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 23:59:24,363 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-21 23:59:24,364 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-21 23:59:24,364 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 23:59:24,365 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-21 23:59:24,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 23:59:24,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 23:59:24,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 23:59:24,704 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 23:59:24,704 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 23:59:24,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix006_rmo.opt.i [2020-10-21 23:59:24,771 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daedd67b0/46ab9b99901d42d8b84febaf384a3e84/FLAGb97b9b6a3 [2020-10-21 23:59:25,348 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 23:59:25,349 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix006_rmo.opt.i [2020-10-21 23:59:25,375 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daedd67b0/46ab9b99901d42d8b84febaf384a3e84/FLAGb97b9b6a3 [2020-10-21 23:59:25,552 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daedd67b0/46ab9b99901d42d8b84febaf384a3e84 [2020-10-21 23:59:25,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 23:59:25,569 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 23:59:25,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 23:59:25,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 23:59:25,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 23:59:25,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:59:25" (1/1) ... [2020-10-21 23:59:25,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53ccad4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:59:25, skipping insertion in model container [2020-10-21 23:59:25,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:59:25" (1/1) ... [2020-10-21 23:59:25,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 23:59:25,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 23:59:26,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:59:26,134 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 23:59:26,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:59:26,318 INFO L208 MainTranslator]: Completed translation [2020-10-21 23:59:26,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:59:26 WrapperNode [2020-10-21 23:59:26,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 23:59:26,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 23:59:26,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 23:59:26,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 23:59:26,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:59:26" (1/1) ... [2020-10-21 23:59:26,350 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:59:26" (1/1) ... [2020-10-21 23:59:26,386 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 23:59:26,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 23:59:26,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 23:59:26,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 23:59:26,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:59:26" (1/1) ... [2020-10-21 23:59:26,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:59:26" (1/1) ... [2020-10-21 23:59:26,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:59:26" (1/1) ... [2020-10-21 23:59:26,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:59:26" (1/1) ... [2020-10-21 23:59:26,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:59:26" (1/1) ... [2020-10-21 23:59:26,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:59:26" (1/1) ... [2020-10-21 23:59:26,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:59:26" (1/1) ... [2020-10-21 23:59:26,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 23:59:26,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 23:59:26,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 23:59:26,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 23:59:26,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:59:26" (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 [2020-10-21 23:59:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 23:59:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-21 23:59:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 23:59:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 23:59:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-21 23:59:26,504 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-21 23:59:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-21 23:59:26,504 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-21 23:59:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-21 23:59:26,504 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-21 23:59:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 23:59:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-21 23:59:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 23:59:26,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 23:59:26,507 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 23:59:28,999 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 23:59:29,000 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-21 23:59:29,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:59:29 BoogieIcfgContainer [2020-10-21 23:59:29,003 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 23:59:29,004 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 23:59:29,004 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 23:59:29,008 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 23:59:29,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 11:59:25" (1/3) ... [2020-10-21 23:59:29,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a9cd5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:59:29, skipping insertion in model container [2020-10-21 23:59:29,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:59:26" (2/3) ... [2020-10-21 23:59:29,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a9cd5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:59:29, skipping insertion in model container [2020-10-21 23:59:29,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:59:29" (3/3) ... [2020-10-21 23:59:29,011 INFO L111 eAbstractionObserver]: Analyzing ICFG mix006_rmo.opt.i [2020-10-21 23:59:29,023 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 23:59:29,023 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-21 23:59:29,031 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-21 23:59:29,032 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 23:59:29,068 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,068 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,069 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,069 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,069 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,070 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,070 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,070 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,070 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,071 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,074 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,074 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,074 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,074 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,074 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,077 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,077 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,077 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,077 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,077 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,077 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,078 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,080 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,080 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,081 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,081 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,081 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,081 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,081 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,082 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,082 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,082 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,082 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,082 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,082 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,083 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,083 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,083 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,083 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,083 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,084 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,084 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,084 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,084 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,084 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,084 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,085 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,085 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,085 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,085 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,085 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,085 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,086 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,086 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,086 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,086 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,086 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,087 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,137 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,137 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,137 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,138 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,138 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,138 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,138 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,138 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,138 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,139 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,139 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,143 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,143 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,144 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,144 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,144 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,146 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,146 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,147 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,147 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,147 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,147 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,147 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,148 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,148 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,152 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,152 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,154 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,157 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,157 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,157 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,163 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,164 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,166 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,172 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,172 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,173 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,173 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:59:29,174 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 23:59:29,192 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-21 23:59:29,213 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 23:59:29,213 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 23:59:29,213 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-21 23:59:29,213 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-21 23:59:29,213 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 23:59:29,214 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 23:59:29,214 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 23:59:29,214 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 23:59:29,228 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-21 23:59:29,229 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 104 transitions, 223 flow [2020-10-21 23:59:29,232 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 104 transitions, 223 flow [2020-10-21 23:59:29,234 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 111 places, 104 transitions, 223 flow [2020-10-21 23:59:29,284 INFO L129 PetriNetUnfolder]: 3/101 cut-off events. [2020-10-21 23:59:29,284 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-21 23:59:29,290 INFO L80 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 101 events. 3/101 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 75 event pairs, 0 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 65. Up to 2 conditions per place. [2020-10-21 23:59:29,293 INFO L116 LiptonReduction]: Number of co-enabled transitions 1834 [2020-10-21 23:59:29,837 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-21 23:59:31,325 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2020-10-21 23:59:31,718 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2020-10-21 23:59:32,460 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2020-10-21 23:59:32,688 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-21 23:59:32,707 INFO L131 LiptonReduction]: Checked pairs total: 5372 [2020-10-21 23:59:32,707 INFO L133 LiptonReduction]: Total number of compositions: 94 [2020-10-21 23:59:32,714 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 26 transitions, 67 flow [2020-10-21 23:59:32,765 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 750 states. [2020-10-21 23:59:32,768 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states. [2020-10-21 23:59:32,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-21 23:59:32,776 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:59:32,777 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:59:32,777 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:59:32,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:59:32,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1276634938, now seen corresponding path program 1 times [2020-10-21 23:59:32,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:59:32,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479980917] [2020-10-21 23:59:32,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:59:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:59:33,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:59:33,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479980917] [2020-10-21 23:59:33,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:59:33,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 23:59:33,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1389971284] [2020-10-21 23:59:33,098 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:59:33,101 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:59:33,117 INFO L252 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-10-21 23:59:33,118 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:59:33,122 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:59:33,123 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:59:33,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:59:33,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:59:33,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:59:33,142 INFO L87 Difference]: Start difference. First operand 750 states. Second operand 3 states. [2020-10-21 23:59:33,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:59:33,273 INFO L93 Difference]: Finished difference Result 650 states and 2028 transitions. [2020-10-21 23:59:33,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:59:33,282 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-21 23:59:33,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:59:33,313 INFO L225 Difference]: With dead ends: 650 [2020-10-21 23:59:33,313 INFO L226 Difference]: Without dead ends: 530 [2020-10-21 23:59:33,315 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:59:33,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2020-10-21 23:59:33,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 530. [2020-10-21 23:59:33,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 530 states. [2020-10-21 23:59:33,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 1622 transitions. [2020-10-21 23:59:33,416 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 1622 transitions. Word has length 7 [2020-10-21 23:59:33,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:59:33,417 INFO L481 AbstractCegarLoop]: Abstraction has 530 states and 1622 transitions. [2020-10-21 23:59:33,418 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:59:33,418 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 1622 transitions. [2020-10-21 23:59:33,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-21 23:59:33,419 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:59:33,419 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:59:33,420 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 23:59:33,420 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:59:33,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:59:33,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1514554596, now seen corresponding path program 1 times [2020-10-21 23:59:33,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:59:33,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55322800] [2020-10-21 23:59:33,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:59:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:59:33,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:59:33,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55322800] [2020-10-21 23:59:33,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:59:33,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 23:59:33,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1014448325] [2020-10-21 23:59:33,540 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:59:33,541 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:59:33,544 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-21 23:59:33,545 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:59:33,545 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:59:33,553 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:59:33,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:59:33,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:59:33,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:59:33,554 INFO L87 Difference]: Start difference. First operand 530 states and 1622 transitions. Second operand 3 states. [2020-10-21 23:59:33,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:59:33,571 INFO L93 Difference]: Finished difference Result 518 states and 1576 transitions. [2020-10-21 23:59:33,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:59:33,572 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-21 23:59:33,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:59:33,582 INFO L225 Difference]: With dead ends: 518 [2020-10-21 23:59:33,583 INFO L226 Difference]: Without dead ends: 518 [2020-10-21 23:59:33,583 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:59:33,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2020-10-21 23:59:33,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 518. [2020-10-21 23:59:33,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 518 states. [2020-10-21 23:59:33,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 1576 transitions. [2020-10-21 23:59:33,641 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 1576 transitions. Word has length 9 [2020-10-21 23:59:33,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:59:33,641 INFO L481 AbstractCegarLoop]: Abstraction has 518 states and 1576 transitions. [2020-10-21 23:59:33,641 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:59:33,642 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 1576 transitions. [2020-10-21 23:59:33,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-21 23:59:33,644 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:59:33,644 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:59:33,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 23:59:33,645 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:59:33,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:59:33,645 INFO L82 PathProgramCache]: Analyzing trace with hash -293447874, now seen corresponding path program 1 times [2020-10-21 23:59:33,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:59:33,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672880825] [2020-10-21 23:59:33,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:59:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:59:33,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:59:33,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672880825] [2020-10-21 23:59:33,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:59:33,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 23:59:33,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1664872150] [2020-10-21 23:59:33,726 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:59:33,727 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:59:33,729 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 18 transitions. [2020-10-21 23:59:33,729 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:59:33,810 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:59:33,811 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:59:33,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:59:33,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:59:33,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:59:33,812 INFO L87 Difference]: Start difference. First operand 518 states and 1576 transitions. Second operand 3 states. [2020-10-21 23:59:33,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:59:33,822 INFO L93 Difference]: Finished difference Result 482 states and 1450 transitions. [2020-10-21 23:59:33,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:59:33,822 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-21 23:59:33,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:59:33,826 INFO L225 Difference]: With dead ends: 482 [2020-10-21 23:59:33,827 INFO L226 Difference]: Without dead ends: 482 [2020-10-21 23:59:33,827 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:59:33,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2020-10-21 23:59:33,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 482. [2020-10-21 23:59:33,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2020-10-21 23:59:33,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 1450 transitions. [2020-10-21 23:59:33,845 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 1450 transitions. Word has length 10 [2020-10-21 23:59:33,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:59:33,846 INFO L481 AbstractCegarLoop]: Abstraction has 482 states and 1450 transitions. [2020-10-21 23:59:33,846 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:59:33,846 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 1450 transitions. [2020-10-21 23:59:33,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-21 23:59:33,848 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:59:33,848 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:59:33,849 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 23:59:33,849 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:59:33,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:59:33,849 INFO L82 PathProgramCache]: Analyzing trace with hash -506951332, now seen corresponding path program 1 times [2020-10-21 23:59:33,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:59:33,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218961816] [2020-10-21 23:59:33,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:59:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:59:33,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:59:33,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218961816] [2020-10-21 23:59:33,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:59:33,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 23:59:33,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1897970494] [2020-10-21 23:59:33,898 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:59:33,899 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:59:33,901 INFO L252 McrAutomatonBuilder]: Finished intersection with 20 states and 27 transitions. [2020-10-21 23:59:33,902 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:59:34,052 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:59:34,053 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:59:34,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:59:34,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:59:34,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:59:34,054 INFO L87 Difference]: Start difference. First operand 482 states and 1450 transitions. Second operand 3 states. [2020-10-21 23:59:34,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:59:34,072 INFO L93 Difference]: Finished difference Result 458 states and 1368 transitions. [2020-10-21 23:59:34,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:59:34,072 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-21 23:59:34,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:59:34,076 INFO L225 Difference]: With dead ends: 458 [2020-10-21 23:59:34,077 INFO L226 Difference]: Without dead ends: 458 [2020-10-21 23:59:34,077 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:59:34,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2020-10-21 23:59:34,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 458. [2020-10-21 23:59:34,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2020-10-21 23:59:34,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 1368 transitions. [2020-10-21 23:59:34,093 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 1368 transitions. Word has length 11 [2020-10-21 23:59:34,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:59:34,094 INFO L481 AbstractCegarLoop]: Abstraction has 458 states and 1368 transitions. [2020-10-21 23:59:34,094 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:59:34,094 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 1368 transitions. [2020-10-21 23:59:34,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-21 23:59:34,096 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:59:34,096 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:59:34,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-21 23:59:34,097 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:59:34,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:59:34,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1215221922, now seen corresponding path program 1 times [2020-10-21 23:59:34,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:59:34,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448014915] [2020-10-21 23:59:34,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:59:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:59:34,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:59:34,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448014915] [2020-10-21 23:59:34,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:59:34,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:59:34,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [915453598] [2020-10-21 23:59:34,219 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:59:34,221 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:59:34,229 INFO L252 McrAutomatonBuilder]: Finished intersection with 29 states and 45 transitions. [2020-10-21 23:59:34,230 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:59:34,294 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-21 23:59:34,334 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-21 23:59:34,418 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-21 23:59:34,467 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-21 23:59:34,511 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [7714#(not (= 3 ~__unbuffered_cnt~0))] [2020-10-21 23:59:34,511 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 23:59:34,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:59:34,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 23:59:34,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:59:34,512 INFO L87 Difference]: Start difference. First operand 458 states and 1368 transitions. Second operand 5 states. [2020-10-21 23:59:34,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:59:34,578 INFO L93 Difference]: Finished difference Result 325 states and 864 transitions. [2020-10-21 23:59:34,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 23:59:34,580 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-21 23:59:34,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:59:34,582 INFO L225 Difference]: With dead ends: 325 [2020-10-21 23:59:34,582 INFO L226 Difference]: Without dead ends: 205 [2020-10-21 23:59:34,582 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-21 23:59:34,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2020-10-21 23:59:34,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2020-10-21 23:59:34,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-10-21 23:59:34,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 471 transitions. [2020-10-21 23:59:34,590 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 471 transitions. Word has length 13 [2020-10-21 23:59:34,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:59:34,591 INFO L481 AbstractCegarLoop]: Abstraction has 205 states and 471 transitions. [2020-10-21 23:59:34,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 23:59:34,591 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 471 transitions. [2020-10-21 23:59:34,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-21 23:59:34,592 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:59:34,592 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:59:34,593 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-21 23:59:34,593 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:59:34,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:59:34,593 INFO L82 PathProgramCache]: Analyzing trace with hash 351823196, now seen corresponding path program 1 times [2020-10-21 23:59:34,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:59:34,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097262507] [2020-10-21 23:59:34,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:59:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:59:34,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:59:34,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097262507] [2020-10-21 23:59:34,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:59:34,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 23:59:34,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [495554480] [2020-10-21 23:59:34,755 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:59:34,762 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:59:34,837 INFO L252 McrAutomatonBuilder]: Finished intersection with 67 states and 123 transitions. [2020-10-21 23:59:34,838 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:59:35,715 WARN L193 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 3 [2020-10-21 23:59:36,014 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [8460#(<= ~__unbuffered_cnt~0 0)] [2020-10-21 23:59:36,014 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-21 23:59:36,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:59:36,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-21 23:59:36,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-21 23:59:36,016 INFO L87 Difference]: Start difference. First operand 205 states and 471 transitions. Second operand 7 states. [2020-10-21 23:59:36,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:59:36,098 INFO L93 Difference]: Finished difference Result 186 states and 431 transitions. [2020-10-21 23:59:36,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 23:59:36,098 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-10-21 23:59:36,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:59:36,100 INFO L225 Difference]: With dead ends: 186 [2020-10-21 23:59:36,100 INFO L226 Difference]: Without dead ends: 173 [2020-10-21 23:59:36,101 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-21 23:59:36,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-10-21 23:59:36,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2020-10-21 23:59:36,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-10-21 23:59:36,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 407 transitions. [2020-10-21 23:59:36,106 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 407 transitions. Word has length 18 [2020-10-21 23:59:36,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:59:36,107 INFO L481 AbstractCegarLoop]: Abstraction has 173 states and 407 transitions. [2020-10-21 23:59:36,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-21 23:59:36,107 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 407 transitions. [2020-10-21 23:59:36,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-21 23:59:36,108 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:59:36,108 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] [2020-10-21 23:59:36,108 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-21 23:59:36,109 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:59:36,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:59:36,109 INFO L82 PathProgramCache]: Analyzing trace with hash 2087708654, now seen corresponding path program 1 times [2020-10-21 23:59:36,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:59:36,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378464835] [2020-10-21 23:59:36,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:59:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:59:36,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:59:36,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378464835] [2020-10-21 23:59:36,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:59:36,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:59:36,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [575445266] [2020-10-21 23:59:36,199 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:59:36,205 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:59:36,256 INFO L252 McrAutomatonBuilder]: Finished intersection with 80 states and 143 transitions. [2020-10-21 23:59:36,260 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:59:36,765 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:59:36,765 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:59:36,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:59:36,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:59:36,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:59:36,766 INFO L87 Difference]: Start difference. First operand 173 states and 407 transitions. Second operand 4 states. [2020-10-21 23:59:36,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:59:36,782 INFO L93 Difference]: Finished difference Result 220 states and 505 transitions. [2020-10-21 23:59:36,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 23:59:36,783 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2020-10-21 23:59:36,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:59:36,783 INFO L225 Difference]: With dead ends: 220 [2020-10-21 23:59:36,784 INFO L226 Difference]: Without dead ends: 92 [2020-10-21 23:59:36,784 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:59:36,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-10-21 23:59:36,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2020-10-21 23:59:36,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-10-21 23:59:36,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 185 transitions. [2020-10-21 23:59:36,787 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 185 transitions. Word has length 21 [2020-10-21 23:59:36,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:59:36,788 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 185 transitions. [2020-10-21 23:59:36,788 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:59:36,788 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 185 transitions. [2020-10-21 23:59:36,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-21 23:59:36,789 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:59:36,789 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] [2020-10-21 23:59:36,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-21 23:59:36,789 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:59:36,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:59:36,790 INFO L82 PathProgramCache]: Analyzing trace with hash 2050200090, now seen corresponding path program 2 times [2020-10-21 23:59:36,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:59:36,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737809001] [2020-10-21 23:59:36,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:59:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:59:36,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:59:36,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737809001] [2020-10-21 23:59:36,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:59:36,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 23:59:36,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1692135274] [2020-10-21 23:59:36,851 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:59:36,855 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:59:36,875 INFO L252 McrAutomatonBuilder]: Finished intersection with 38 states and 55 transitions. [2020-10-21 23:59:36,876 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:59:37,006 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:59:37,007 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:59:37,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:59:37,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:59:37,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:59:37,008 INFO L87 Difference]: Start difference. First operand 92 states and 185 transitions. Second operand 3 states. [2020-10-21 23:59:37,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:59:37,020 INFO L93 Difference]: Finished difference Result 118 states and 233 transitions. [2020-10-21 23:59:37,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:59:37,020 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2020-10-21 23:59:37,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:59:37,021 INFO L225 Difference]: With dead ends: 118 [2020-10-21 23:59:37,021 INFO L226 Difference]: Without dead ends: 48 [2020-10-21 23:59:37,021 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:59:37,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-21 23:59:37,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2020-10-21 23:59:37,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-21 23:59:37,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 81 transitions. [2020-10-21 23:59:37,024 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 81 transitions. Word has length 21 [2020-10-21 23:59:37,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:59:37,025 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 81 transitions. [2020-10-21 23:59:37,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:59:37,025 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 81 transitions. [2020-10-21 23:59:37,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-21 23:59:37,026 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:59:37,026 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] [2020-10-21 23:59:37,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-21 23:59:37,027 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:59:37,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:59:37,027 INFO L82 PathProgramCache]: Analyzing trace with hash -509228208, now seen corresponding path program 3 times [2020-10-21 23:59:37,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:59:37,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569699754] [2020-10-21 23:59:37,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:59:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:59:37,482 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 36 [2020-10-21 23:59:37,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:59:37,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569699754] [2020-10-21 23:59:37,559 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:59:37,559 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 23:59:37,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1768379622] [2020-10-21 23:59:37,560 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:59:37,564 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:59:37,594 INFO L252 McrAutomatonBuilder]: Finished intersection with 55 states and 88 transitions. [2020-10-21 23:59:37,594 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:59:37,756 INFO L603 QuantifierPusher]: Distributing 5 disjuncts over 2 conjuncts [2020-10-21 23:59:37,764 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-21 23:59:37,765 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-21 23:59:37,772 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 1] term [2020-10-21 23:59:37,773 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-21 23:59:37,774 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-21 23:59:37,775 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-21 23:59:37,776 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 2, 3, 2, 2, 1] term [2020-10-21 23:59:37,777 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-21 23:59:37,947 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 42 [2020-10-21 23:59:38,268 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 103 [2020-10-21 23:59:38,272 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 2, 1] term [2020-10-21 23:59:38,272 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-21 23:59:38,273 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-21 23:59:38,274 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-21 23:59:38,275 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 2, 3, 2, 2, 1] term [2020-10-21 23:59:38,275 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-21 23:59:38,286 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-21 23:59:38,287 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-21 23:59:38,536 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 103 [2020-10-21 23:59:38,543 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 2, 1] term [2020-10-21 23:59:38,543 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-21 23:59:38,544 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-21 23:59:38,545 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-21 23:59:38,546 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 2, 3, 2, 2, 1] term [2020-10-21 23:59:38,546 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-21 23:59:38,550 INFO L603 QuantifierPusher]: Distributing 5 disjuncts over 2 conjuncts [2020-10-21 23:59:38,551 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-21 23:59:38,552 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-21 23:59:38,804 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 42 [2020-10-21 23:59:38,806 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [9629#(and (or (and (or (= ~y~0 1) (= ~y~0 ~__unbuffered_p2_EAX~0)) (or (= (mod ~y$r_buff1_thd3~0 256) 0) (= (mod ~y$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~y$r_buff0_thd3~0 256))) (not (= (mod ~y$w_buff0_used~0 256) 0)))) (<= ~y$r_buff1_thd2~0 (* 256 (div ~y$r_buff1_thd2~0 256))) (<= ~y$r_buff0_thd2~0 (* 256 (div ~y$r_buff0_thd2~0 256))) (< 0 (+ (div ~y$r_buff0_thd2~0 256) 1)) (or (= (mod ~y$w_buff0_used~0 256) 0) (= 0 (mod ~y$r_buff0_thd3~0 256)) (= ~y$w_buff0~0 1) (= ~y$w_buff0~0 ~__unbuffered_p2_EAX~0)) (<= 0 ~y$r_buff1_thd2~0))] [2020-10-21 23:59:38,807 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-21 23:59:38,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:59:38,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-21 23:59:38,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-21 23:59:38,807 INFO L87 Difference]: Start difference. First operand 48 states and 81 transitions. Second operand 8 states. [2020-10-21 23:59:39,108 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2020-10-21 23:59:39,275 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2020-10-21 23:59:39,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:59:39,294 INFO L93 Difference]: Finished difference Result 58 states and 95 transitions. [2020-10-21 23:59:39,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-21 23:59:39,295 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2020-10-21 23:59:39,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:59:39,296 INFO L225 Difference]: With dead ends: 58 [2020-10-21 23:59:39,296 INFO L226 Difference]: Without dead ends: 32 [2020-10-21 23:59:39,297 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-21 23:59:39,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-21 23:59:39,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-10-21 23:59:39,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-21 23:59:39,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 43 transitions. [2020-10-21 23:59:39,299 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 43 transitions. Word has length 21 [2020-10-21 23:59:39,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:59:39,300 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 43 transitions. [2020-10-21 23:59:39,300 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-21 23:59:39,300 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 43 transitions. [2020-10-21 23:59:39,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-21 23:59:39,300 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:59:39,301 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] [2020-10-21 23:59:39,301 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-21 23:59:39,301 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:59:39,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:59:39,301 INFO L82 PathProgramCache]: Analyzing trace with hash 1088702254, now seen corresponding path program 4 times [2020-10-21 23:59:39,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:59:39,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290850343] [2020-10-21 23:59:39,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:59:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:59:39,421 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:59:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:59:39,516 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:59:39,573 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 23:59:39,574 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 23:59:39,574 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-21 23:59:39,575 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-21 23:59:39,588 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [1193] [1193] L3-->L862: Formula: (let ((.cse7 (= (mod ~y$r_buff1_thd0~0_In336074371 256) 0)) (.cse6 (= (mod ~y$w_buff1_used~0_In336074371 256) 0)) (.cse8 (= (mod ~y$w_buff0_used~0_In336074371 256) 0)) (.cse9 (= (mod ~y$r_buff0_thd0~0_In336074371 256) 0))) (let ((.cse2 (or .cse8 .cse9)) (.cse0 (not .cse9)) (.cse1 (not .cse8)) (.cse4 (not .cse6)) (.cse5 (not .cse7)) (.cse3 (or .cse6 .cse7))) (and (or (and .cse0 .cse1 (= 0 ~y$w_buff0_used~0_Out336074371)) (and .cse2 (= ~y$w_buff0_used~0_In336074371 ~y$w_buff0_used~0_Out336074371))) (= ~y$r_buff1_thd0~0_Out336074371 ~y$r_buff1_thd0~0_In336074371) (= ~y$r_buff0_thd0~0_In336074371 ~y$r_buff0_thd0~0_Out336074371) (or (and .cse2 (or (and (= ~y~0_Out336074371 ~y~0_In336074371) .cse3) (and .cse4 (= ~y$w_buff1~0_In336074371 ~y~0_Out336074371) .cse5))) (and .cse0 .cse1 (= ~y$w_buff0~0_In336074371 ~y~0_Out336074371))) (not (= ULTIMATE.start_assume_abort_if_not_~cond_In336074371 0)) (or (and .cse4 (= ~y$w_buff1_used~0_Out336074371 0) .cse5) (and .cse3 (= ~y$w_buff1_used~0_Out336074371 ~y$w_buff1_used~0_In336074371)))))) InVars {ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_In336074371, ~y$w_buff0_used~0=~y$w_buff0_used~0_In336074371, ~y$w_buff1~0=~y$w_buff1~0_In336074371, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In336074371, ~y$w_buff0~0=~y$w_buff0~0_In336074371, ~y~0=~y~0_In336074371, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In336074371, ~y$w_buff1_used~0=~y$w_buff1_used~0_In336074371} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_Out336074371, ULTIMATE.start_main_#t~ite64=|ULTIMATE.start_main_#t~ite64_Out336074371|, ULTIMATE.start_main_#t~ite65=|ULTIMATE.start_main_#t~ite65_Out336074371|, ULTIMATE.start_main_#t~ite62=|ULTIMATE.start_main_#t~ite62_Out336074371|, ULTIMATE.start_main_#t~ite63=|ULTIMATE.start_main_#t~ite63_Out336074371|, ULTIMATE.start_main_#t~ite60=|ULTIMATE.start_main_#t~ite60_Out336074371|, ULTIMATE.start_main_#t~ite61=|ULTIMATE.start_main_#t~ite61_Out336074371|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_In336074371, ~y$w_buff1~0=~y$w_buff1~0_In336074371, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_Out336074371, ~y$w_buff0~0=~y$w_buff0~0_In336074371, ~y~0=~y~0_Out336074371, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_Out336074371, ~y$w_buff1_used~0=~y$w_buff1_used~0_Out336074371} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite62, ULTIMATE.start_main_#t~ite63, ULTIMATE.start_main_#t~ite60, ULTIMATE.start_main_#t~ite61, ~y$w_buff0_used~0, ~y$r_buff0_thd0~0, ~y~0, ~y$r_buff1_thd0~0, ULTIMATE.start_main_#t~ite64, ULTIMATE.start_main_#t~ite65, ~y$w_buff1_used~0] because there is no mapped edge [2020-10-21 23:59:39,594 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:39,594 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [792] [2020-10-21 23:59:39,595 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:39,595 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:39,595 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:39,596 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:39,596 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:39,596 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:39,596 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:39,596 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:39,596 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:39,597 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:39,597 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:39,597 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:39,597 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:39,597 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:39,598 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:39,598 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:39,598 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:39,598 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:39,598 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:39,598 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:39,600 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:39,600 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:39,601 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:39,601 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:39,601 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:39,601 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:39,601 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:39,601 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:39,602 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:39,602 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:39,602 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:39,602 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:39,602 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:39,602 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:39,603 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:39,603 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:39,603 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:39,603 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:39,603 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:39,603 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:39,603 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:39,604 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:39,604 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:39,604 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:39,604 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:39,605 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:39,605 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:39,605 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:39,605 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:39,605 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:39,605 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:39,606 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:39,606 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:39,606 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:39,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 11:59:39 BasicIcfg [2020-10-21 23:59:39,679 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 23:59:39,680 INFO L168 Benchmark]: Toolchain (without parser) took 14116.99 ms. Allocated memory was 140.0 MB in the beginning and 403.7 MB in the end (delta: 263.7 MB). Free memory was 102.1 MB in the beginning and 289.4 MB in the end (delta: -187.3 MB). Peak memory consumption was 76.4 MB. Max. memory is 7.1 GB. [2020-10-21 23:59:39,681 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-10-21 23:59:39,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 749.10 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 101.0 MB in the beginning and 154.6 MB in the end (delta: -53.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2020-10-21 23:59:39,683 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.21 ms. Allocated memory is still 202.4 MB. Free memory was 154.6 MB in the beginning and 151.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2020-10-21 23:59:39,683 INFO L168 Benchmark]: Boogie Preprocessor took 45.59 ms. Allocated memory is still 202.4 MB. Free memory was 151.3 MB in the beginning and 148.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-21 23:59:39,684 INFO L168 Benchmark]: RCFGBuilder took 2570.18 ms. Allocated memory was 202.4 MB in the beginning and 247.5 MB in the end (delta: 45.1 MB). Free memory was 148.6 MB in the beginning and 102.7 MB in the end (delta: 45.9 MB). Peak memory consumption was 102.9 MB. Max. memory is 7.1 GB. [2020-10-21 23:59:39,685 INFO L168 Benchmark]: TraceAbstraction took 10674.96 ms. Allocated memory was 247.5 MB in the beginning and 403.7 MB in the end (delta: 156.2 MB). Free memory was 102.7 MB in the beginning and 289.4 MB in the end (delta: -186.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-21 23:59:39,689 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 749.10 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 101.0 MB in the beginning and 154.6 MB in the end (delta: -53.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 66.21 ms. Allocated memory is still 202.4 MB. Free memory was 154.6 MB in the beginning and 151.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.59 ms. Allocated memory is still 202.4 MB. Free memory was 151.3 MB in the beginning and 148.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2570.18 ms. Allocated memory was 202.4 MB in the beginning and 247.5 MB in the end (delta: 45.1 MB). Free memory was 148.6 MB in the beginning and 102.7 MB in the end (delta: 45.9 MB). Peak memory consumption was 102.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10674.96 ms. Allocated memory was 247.5 MB in the beginning and 403.7 MB in the end (delta: 156.2 MB). Free memory was 102.7 MB in the beginning and 289.4 MB in the end (delta: -186.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1030 VarBasedMoverChecksPositive, 40 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 82 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.4s, 111 PlacesBefore, 36 PlacesAfterwards, 104 TransitionsBefore, 26 TransitionsAfterwards, 1834 CoEnabledTransitionPairs, 7 FixpointIterations, 38 TrivialSequentialCompositions, 42 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 3 ChoiceCompositions, 94 TotalNumberOfCompositions, 5372 MoverChecksTotal - CounterExampleResult [Line: 17]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p1_EAX = 0; [L713] 0 int __unbuffered_p1_EBX = 0; [L715] 0 int __unbuffered_p2_EAX = 0; [L717] 0 int __unbuffered_p2_EBX = 0; [L718] 0 _Bool main$tmp_guard0; [L719] 0 _Bool main$tmp_guard1; [L721] 0 int x = 0; [L723] 0 int y = 0; [L724] 0 _Bool y$flush_delayed; [L725] 0 int y$mem_tmp; [L726] 0 _Bool y$r_buff0_thd0; [L727] 0 _Bool y$r_buff0_thd1; [L728] 0 _Bool y$r_buff0_thd2; [L729] 0 _Bool y$r_buff0_thd3; [L730] 0 _Bool y$r_buff1_thd0; [L731] 0 _Bool y$r_buff1_thd1; [L732] 0 _Bool y$r_buff1_thd2; [L733] 0 _Bool y$r_buff1_thd3; [L734] 0 _Bool y$read_delayed; [L735] 0 int *y$read_delayed_var; [L736] 0 int y$w_buff0; [L737] 0 _Bool y$w_buff0_used; [L738] 0 int y$w_buff1; [L739] 0 _Bool y$w_buff1_used; [L741] 0 int z = 0; [L742] 0 _Bool weak$$choice0; [L743] 0 _Bool weak$$choice2; [L846] 0 pthread_t t168; [L847] FCALL, FORK 0 pthread_create(&t168, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L848] 0 pthread_t t169; [L849] FCALL, FORK 0 pthread_create(&t169, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L850] 0 pthread_t t170; [L851] FCALL, FORK 0 pthread_create(&t170, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L793] 3 y$w_buff1 = y$w_buff0 [L794] 3 y$w_buff0 = 1 [L795] 3 y$w_buff1_used = y$w_buff0_used [L796] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L798] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L799] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L800] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L801] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L802] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L805] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L806] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L807] 3 y$flush_delayed = weak$$choice2 [L808] 3 y$mem_tmp = y [L809] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L809] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L810] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L810] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L811] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L811] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L812] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L812] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used) [L812] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L812] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L813] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L813] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L813] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L813] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L814] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L814] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L815] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L815] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L816] 3 __unbuffered_p2_EAX = y [L817] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L817] 3 y = y$flush_delayed ? y$mem_tmp : y [L818] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L821] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L747] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L750] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L755] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L757] 1 return 0; [L762] 2 x = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=255, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L765] 2 __unbuffered_p1_EAX = x VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=255, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L768] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L769] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L770] 2 y$flush_delayed = weak$$choice2 [L771] 2 y$mem_tmp = y [L772] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L772] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L773] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L773] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0) [L773] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L773] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L774] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L774] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L775] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L775] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L775] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L775] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L775] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L775] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L776] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L776] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L777] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L777] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2) [L777] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L777] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L778] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L778] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L779] 2 __unbuffered_p1_EBX = y [L780] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L780] 2 y = y$flush_delayed ? y$mem_tmp : y [L781] 2 y$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=4, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L824] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L824] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L825] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L825] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L826] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L826] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L827] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L827] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L828] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L828] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L786] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L788] 2 return 0; [L831] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L833] 3 return 0; [L853] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L864] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L17] COND FALSE 0 !(0) [L17] 0 __assert_fail ("0", "mix006_rmo.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=4, weak$$choice2=1, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 102 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 10.3s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.5s, HoareTripleCheckerStatistics: 223 SDtfs, 172 SDslu, 328 SDs, 0 SdLazy, 124 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 152 GetRequests, 119 SyntacticMatches, 4 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=750occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 122 ConstructedInterpolants, 0 QuantifiedInterpolants, 14974 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...