/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/mix027_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-06 00:30:25,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 00:30:25,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 00:30:25,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 00:30:25,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 00:30:25,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 00:30:25,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 00:30:25,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 00:30:25,110 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 00:30:25,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 00:30:25,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 00:30:25,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 00:30:25,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 00:30:25,118 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 00:30:25,120 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 00:30:25,122 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 00:30:25,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 00:30:25,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 00:30:25,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 00:30:25,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 00:30:25,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 00:30:25,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 00:30:25,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 00:30:25,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 00:30:25,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-06 00:30:25,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 00:30:25,160 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 00:30:25,161 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 00:30:25,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 00:30:25,162 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 00:30:25,162 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 00:30:25,163 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 00:30:25,163 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 00:30:25,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 00:30:25,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 00:30:25,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 00:30:25,166 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 [2020-10-06 00:30:25,208 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 00:30:25,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 00:30:25,210 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 00:30:25,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 00:30:25,211 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 00:30:25,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 00:30:25,211 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 00:30:25,211 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 00:30:25,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 00:30:25,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 00:30:25,213 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 00:30:25,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 00:30:25,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 00:30:25,214 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 00:30:25,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 00:30:25,214 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 00:30:25,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 00:30:25,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 00:30:25,215 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 00:30:25,215 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 00:30:25,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 00:30:25,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 00:30:25,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 00:30:25,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-06 00:30:25,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 00:30:25,216 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 00:30:25,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 00:30:25,217 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-06 00:30:25,217 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-06 00:30:25,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 00:30:25,217 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-06 00:30:25,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 00:30:25,542 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 00:30:25,545 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 00:30:25,547 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-06 00:30:25,547 INFO L275 PluginConnector]: CDTParser initialized [2020-10-06 00:30:25,548 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix027_power.opt.i [2020-10-06 00:30:25,621 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47aaf1e15/1a7ed4428b8d4de8b944b0c37e3723ae/FLAG9d6996b6c [2020-10-06 00:30:26,235 INFO L306 CDTParser]: Found 1 translation units. [2020-10-06 00:30:26,238 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix027_power.opt.i [2020-10-06 00:30:26,263 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47aaf1e15/1a7ed4428b8d4de8b944b0c37e3723ae/FLAG9d6996b6c [2020-10-06 00:30:26,478 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47aaf1e15/1a7ed4428b8d4de8b944b0c37e3723ae [2020-10-06 00:30:26,486 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 00:30:26,488 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-06 00:30:26,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-06 00:30:26,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-06 00:30:26,495 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-06 00:30:26,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 12:30:26" (1/1) ... [2020-10-06 00:30:26,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a799f38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:30:26, skipping insertion in model container [2020-10-06 00:30:26,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 12:30:26" (1/1) ... [2020-10-06 00:30:26,507 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-06 00:30:26,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-06 00:30:27,053 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 00:30:27,077 INFO L203 MainTranslator]: Completed pre-run [2020-10-06 00:30:27,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 00:30:27,256 INFO L208 MainTranslator]: Completed translation [2020-10-06 00:30:27,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:30:27 WrapperNode [2020-10-06 00:30:27,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-06 00:30:27,258 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 00:30:27,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 00:30:27,258 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 00:30:27,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:30:27" (1/1) ... [2020-10-06 00:30:27,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:30:27" (1/1) ... [2020-10-06 00:30:27,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 00:30:27,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 00:30:27,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 00:30:27,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 00:30:27,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:30:27" (1/1) ... [2020-10-06 00:30:27,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:30:27" (1/1) ... [2020-10-06 00:30:27,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:30:27" (1/1) ... [2020-10-06 00:30:27,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:30:27" (1/1) ... [2020-10-06 00:30:27,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:30:27" (1/1) ... [2020-10-06 00:30:27,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:30:27" (1/1) ... [2020-10-06 00:30:27,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:30:27" (1/1) ... [2020-10-06 00:30:27,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 00:30:27,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 00:30:27,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 00:30:27,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 00:30:27,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:30:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 00:30:27,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-06 00:30:27,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-06 00:30:27,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-06 00:30:27,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-06 00:30:27,448 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-06 00:30:27,448 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-06 00:30:27,448 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-06 00:30:27,449 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-06 00:30:27,449 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-06 00:30:27,449 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-06 00:30:27,449 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-06 00:30:27,449 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-06 00:30:27,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-06 00:30:27,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 00:30:27,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 00:30:27,452 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 00:30:29,396 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 00:30:29,396 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-06 00:30:29,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:30:29 BoogieIcfgContainer [2020-10-06 00:30:29,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 00:30:29,400 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 00:30:29,400 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 00:30:29,403 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 00:30:29,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 12:30:26" (1/3) ... [2020-10-06 00:30:29,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea66702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:30:29, skipping insertion in model container [2020-10-06 00:30:29,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:30:27" (2/3) ... [2020-10-06 00:30:29,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea66702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:30:29, skipping insertion in model container [2020-10-06 00:30:29,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:30:29" (3/3) ... [2020-10-06 00:30:29,407 INFO L109 eAbstractionObserver]: Analyzing ICFG mix027_power.opt.i [2020-10-06 00:30:29,417 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 00:30:29,418 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-06 00:30:29,425 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-06 00:30:29,426 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 00:30:29,459 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,460 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,460 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,460 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,461 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,461 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,461 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,462 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,462 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,462 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,462 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,462 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,464 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,464 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,464 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,464 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,464 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,465 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,465 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,465 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,465 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,465 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,465 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,467 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,467 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,467 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,467 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,467 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,468 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,468 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,468 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,468 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,468 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,468 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,469 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,469 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,471 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,471 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,472 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,472 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,472 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,473 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,475 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,476 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,476 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,476 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,476 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,476 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,476 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,477 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,477 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,477 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,477 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,478 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,478 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,482 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,482 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,482 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,483 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,483 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,483 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,483 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,483 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,483 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,484 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,490 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,490 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,490 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,490 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,493 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,493 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,493 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,493 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,494 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,494 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,494 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,494 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,494 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,495 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,495 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,495 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,495 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,495 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,496 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,496 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,496 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,496 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,496 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,497 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,497 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,497 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,497 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,497 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,499 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,499 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,499 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,500 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,500 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,500 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,500 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,500 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:30:29,516 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-06 00:30:29,537 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 00:30:29,537 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 00:30:29,537 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 00:30:29,537 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 00:30:29,538 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 00:30:29,538 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 00:30:29,538 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 00:30:29,538 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 00:30:29,554 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 110 transitions, 240 flow [2020-10-06 00:30:29,556 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 121 places, 110 transitions, 240 flow [2020-10-06 00:30:29,608 INFO L129 PetriNetUnfolder]: 2/106 cut-off events. [2020-10-06 00:30:29,608 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 00:30:29,613 INFO L80 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 106 events. 2/106 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 80 event pairs, 0 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2020-10-06 00:30:29,618 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 121 places, 110 transitions, 240 flow [2020-10-06 00:30:29,643 INFO L129 PetriNetUnfolder]: 2/106 cut-off events. [2020-10-06 00:30:29,643 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 00:30:29,644 INFO L80 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 106 events. 2/106 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 80 event pairs, 0 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2020-10-06 00:30:29,647 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2456 [2020-10-06 00:30:29,648 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 00:30:30,115 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-06 00:30:30,256 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-10-06 00:30:31,290 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-06 00:30:32,099 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-10-06 00:30:32,381 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2020-10-06 00:30:32,512 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-06 00:30:32,524 INFO L206 etLargeBlockEncoding]: Checked pairs total: 7366 [2020-10-06 00:30:32,525 INFO L214 etLargeBlockEncoding]: Total number of compositions: 88 [2020-10-06 00:30:32,529 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47 places, 35 transitions, 90 flow [2020-10-06 00:30:32,821 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4266 states. [2020-10-06 00:30:32,824 INFO L276 IsEmpty]: Start isEmpty. Operand 4266 states. [2020-10-06 00:30:32,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-06 00:30:32,832 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:30:32,832 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:30:32,833 INFO L427 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:30:32,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:30:32,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1359254533, now seen corresponding path program 1 times [2020-10-06 00:30:32,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:30:32,869 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806379244] [2020-10-06 00:30:32,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:30:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:30:33,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:30:33,163 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806379244] [2020-10-06 00:30:33,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:30:33,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 00:30:33,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [264208066] [2020-10-06 00:30:33,165 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:30:33,168 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:30:33,183 INFO L258 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-10-06 00:30:33,183 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:30:33,188 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:30:33,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:30:33,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:30:33,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:30:33,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:30:33,207 INFO L87 Difference]: Start difference. First operand 4266 states. Second operand 3 states. [2020-10-06 00:30:33,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:30:33,389 INFO L93 Difference]: Finished difference Result 3562 states and 14032 transitions. [2020-10-06 00:30:33,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:30:33,391 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-06 00:30:33,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:30:33,448 INFO L225 Difference]: With dead ends: 3562 [2020-10-06 00:30:33,449 INFO L226 Difference]: Without dead ends: 2602 [2020-10-06 00:30:33,451 INFO L675 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 [2020-10-06 00:30:33,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2602 states. [2020-10-06 00:30:33,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2602 to 2602. [2020-10-06 00:30:33,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2602 states. [2020-10-06 00:30:33,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2602 states to 2602 states and 10064 transitions. [2020-10-06 00:30:33,675 INFO L78 Accepts]: Start accepts. Automaton has 2602 states and 10064 transitions. Word has length 7 [2020-10-06 00:30:33,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:30:33,676 INFO L479 AbstractCegarLoop]: Abstraction has 2602 states and 10064 transitions. [2020-10-06 00:30:33,677 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:30:33,677 INFO L276 IsEmpty]: Start isEmpty. Operand 2602 states and 10064 transitions. [2020-10-06 00:30:33,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-06 00:30:33,687 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:30:33,687 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:30:33,688 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-06 00:30:33,688 INFO L427 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:30:33,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:30:33,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1848027961, now seen corresponding path program 1 times [2020-10-06 00:30:33,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:30:33,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702044797] [2020-10-06 00:30:33,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:30:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:30:33,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:30:33,850 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702044797] [2020-10-06 00:30:33,850 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:30:33,850 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 00:30:33,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1881237041] [2020-10-06 00:30:33,851 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:30:33,853 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:30:33,855 INFO L258 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2020-10-06 00:30:33,855 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:30:33,856 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:30:33,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 00:30:33,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:30:33,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 00:30:33,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 00:30:33,858 INFO L87 Difference]: Start difference. First operand 2602 states and 10064 transitions. Second operand 4 states. [2020-10-06 00:30:33,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:30:33,929 INFO L93 Difference]: Finished difference Result 3018 states and 11312 transitions. [2020-10-06 00:30:33,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 00:30:33,930 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-06 00:30:33,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:30:33,952 INFO L225 Difference]: With dead ends: 3018 [2020-10-06 00:30:33,952 INFO L226 Difference]: Without dead ends: 2538 [2020-10-06 00:30:33,953 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:30:33,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2538 states. [2020-10-06 00:30:34,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2538 to 2538. [2020-10-06 00:30:34,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2538 states. [2020-10-06 00:30:34,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2538 states to 2538 states and 9776 transitions. [2020-10-06 00:30:34,069 INFO L78 Accepts]: Start accepts. Automaton has 2538 states and 9776 transitions. Word has length 12 [2020-10-06 00:30:34,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:30:34,070 INFO L479 AbstractCegarLoop]: Abstraction has 2538 states and 9776 transitions. [2020-10-06 00:30:34,070 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 00:30:34,070 INFO L276 IsEmpty]: Start isEmpty. Operand 2538 states and 9776 transitions. [2020-10-06 00:30:34,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-06 00:30:34,072 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:30:34,072 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:30:34,073 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-06 00:30:34,073 INFO L427 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:30:34,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:30:34,073 INFO L82 PathProgramCache]: Analyzing trace with hash -1454275723, now seen corresponding path program 1 times [2020-10-06 00:30:34,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:30:34,077 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169636265] [2020-10-06 00:30:34,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:30:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:30:34,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:30:34,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169636265] [2020-10-06 00:30:34,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:30:34,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 00:30:34,139 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1567437878] [2020-10-06 00:30:34,139 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:30:34,141 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:30:34,144 INFO L258 McrAutomatonBuilder]: Finished intersection with 16 states and 17 transitions. [2020-10-06 00:30:34,144 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:30:34,178 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:30:34,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 00:30:34,179 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:30:34,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 00:30:34,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 00:30:34,179 INFO L87 Difference]: Start difference. First operand 2538 states and 9776 transitions. Second operand 4 states. [2020-10-06 00:30:34,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:30:34,228 INFO L93 Difference]: Finished difference Result 2730 states and 10208 transitions. [2020-10-06 00:30:34,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 00:30:34,229 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-06 00:30:34,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:30:34,248 INFO L225 Difference]: With dead ends: 2730 [2020-10-06 00:30:34,248 INFO L226 Difference]: Without dead ends: 2282 [2020-10-06 00:30:34,249 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:30:34,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2282 states. [2020-10-06 00:30:34,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2282 to 2282. [2020-10-06 00:30:34,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2282 states. [2020-10-06 00:30:34,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2282 states to 2282 states and 8688 transitions. [2020-10-06 00:30:34,345 INFO L78 Accepts]: Start accepts. Automaton has 2282 states and 8688 transitions. Word has length 13 [2020-10-06 00:30:34,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:30:34,345 INFO L479 AbstractCegarLoop]: Abstraction has 2282 states and 8688 transitions. [2020-10-06 00:30:34,345 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 00:30:34,346 INFO L276 IsEmpty]: Start isEmpty. Operand 2282 states and 8688 transitions. [2020-10-06 00:30:34,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-06 00:30:34,348 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:30:34,348 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:30:34,348 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-06 00:30:34,349 INFO L427 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:30:34,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:30:34,349 INFO L82 PathProgramCache]: Analyzing trace with hash -2132892829, now seen corresponding path program 1 times [2020-10-06 00:30:34,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:30:34,353 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174141622] [2020-10-06 00:30:34,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:30:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:30:34,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:30:34,463 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174141622] [2020-10-06 00:30:34,463 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:30:34,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 00:30:34,464 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [310181433] [2020-10-06 00:30:34,464 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:30:34,466 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:30:34,469 INFO L258 McrAutomatonBuilder]: Finished intersection with 19 states and 22 transitions. [2020-10-06 00:30:34,469 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:30:34,505 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:30:34,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 00:30:34,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:30:34,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 00:30:34,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 00:30:34,507 INFO L87 Difference]: Start difference. First operand 2282 states and 8688 transitions. Second operand 4 states. [2020-10-06 00:30:34,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:30:34,567 INFO L93 Difference]: Finished difference Result 2522 states and 9340 transitions. [2020-10-06 00:30:34,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 00:30:34,568 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-06 00:30:34,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:30:34,590 INFO L225 Difference]: With dead ends: 2522 [2020-10-06 00:30:34,590 INFO L226 Difference]: Without dead ends: 2202 [2020-10-06 00:30:34,591 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:30:34,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2202 states. [2020-10-06 00:30:34,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2202 to 2202. [2020-10-06 00:30:34,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2202 states. [2020-10-06 00:30:34,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2202 states to 2202 states and 8324 transitions. [2020-10-06 00:30:34,706 INFO L78 Accepts]: Start accepts. Automaton has 2202 states and 8324 transitions. Word has length 14 [2020-10-06 00:30:34,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:30:34,707 INFO L479 AbstractCegarLoop]: Abstraction has 2202 states and 8324 transitions. [2020-10-06 00:30:34,707 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 00:30:34,707 INFO L276 IsEmpty]: Start isEmpty. Operand 2202 states and 8324 transitions. [2020-10-06 00:30:34,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-06 00:30:34,712 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:30:34,712 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:30:34,712 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-06 00:30:34,713 INFO L427 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:30:34,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:30:34,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1695160688, now seen corresponding path program 1 times [2020-10-06 00:30:34,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:30:34,719 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832059312] [2020-10-06 00:30:34,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:30:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:30:34,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:30:34,829 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832059312] [2020-10-06 00:30:34,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:30:34,829 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 00:30:34,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2036685223] [2020-10-06 00:30:34,830 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:30:34,832 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:30:34,837 INFO L258 McrAutomatonBuilder]: Finished intersection with 32 states and 51 transitions. [2020-10-06 00:30:34,837 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:30:34,895 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:30:34,914 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:30:34,927 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:30:34,942 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:30:34,961 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:30:34,965 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [39761#(= (mod ~main$tmp_guard0~0 256) 0)] [2020-10-06 00:30:34,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 00:30:34,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:30:34,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 00:30:34,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:30:34,967 INFO L87 Difference]: Start difference. First operand 2202 states and 8324 transitions. Second operand 5 states. [2020-10-06 00:30:35,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:30:35,011 INFO L93 Difference]: Finished difference Result 1462 states and 4896 transitions. [2020-10-06 00:30:35,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 00:30:35,012 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-06 00:30:35,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:30:35,012 INFO L225 Difference]: With dead ends: 1462 [2020-10-06 00:30:35,013 INFO L226 Difference]: Without dead ends: 0 [2020-10-06 00:30:35,013 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-06 00:30:35,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-06 00:30:35,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-06 00:30:35,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-06 00:30:35,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-06 00:30:35,014 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-10-06 00:30:35,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:30:35,014 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-06 00:30:35,014 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 00:30:35,015 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-06 00:30:35,015 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-06 00:30:35,015 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-06 00:30:35,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 12:30:35 BasicIcfg [2020-10-06 00:30:35,019 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 00:30:35,021 INFO L168 Benchmark]: Toolchain (without parser) took 8532.88 ms. Allocated memory was 141.0 MB in the beginning and 326.6 MB in the end (delta: 185.6 MB). Free memory was 102.6 MB in the beginning and 179.7 MB in the end (delta: -77.0 MB). Peak memory consumption was 108.6 MB. Max. memory is 7.1 GB. [2020-10-06 00:30:35,022 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-06 00:30:35,023 INFO L168 Benchmark]: CACSL2BoogieTranslator took 768.22 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 102.4 MB in the beginning and 159.3 MB in the end (delta: -56.9 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2020-10-06 00:30:35,024 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.40 ms. Allocated memory is still 205.0 MB. Free memory was 158.6 MB in the beginning and 156.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-06 00:30:35,024 INFO L168 Benchmark]: Boogie Preprocessor took 41.32 ms. Allocated memory is still 205.0 MB. Free memory was 156.0 MB in the beginning and 154.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-06 00:30:35,025 INFO L168 Benchmark]: RCFGBuilder took 2017.85 ms. Allocated memory was 205.0 MB in the beginning and 247.5 MB in the end (delta: 42.5 MB). Free memory was 154.0 MB in the beginning and 185.8 MB in the end (delta: -31.8 MB). Peak memory consumption was 101.4 MB. Max. memory is 7.1 GB. [2020-10-06 00:30:35,026 INFO L168 Benchmark]: TraceAbstraction took 5619.05 ms. Allocated memory was 247.5 MB in the beginning and 326.6 MB in the end (delta: 79.2 MB). Free memory was 185.8 MB in the beginning and 179.7 MB in the end (delta: 6.1 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. [2020-10-06 00:30:35,030 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 768.22 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 102.4 MB in the beginning and 159.3 MB in the end (delta: -56.9 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 81.40 ms. Allocated memory is still 205.0 MB. Free memory was 158.6 MB in the beginning and 156.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.32 ms. Allocated memory is still 205.0 MB. Free memory was 156.0 MB in the beginning and 154.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2017.85 ms. Allocated memory was 205.0 MB in the beginning and 247.5 MB in the end (delta: 42.5 MB). Free memory was 154.0 MB in the beginning and 185.8 MB in the end (delta: -31.8 MB). Peak memory consumption was 101.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5619.05 ms. Allocated memory was 247.5 MB in the beginning and 326.6 MB in the end (delta: 79.2 MB). Free memory was 185.8 MB in the beginning and 179.7 MB in the end (delta: 6.1 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.9s, 121 ProgramPointsBefore, 47 ProgramPointsAfterwards, 110 TransitionsBefore, 35 TransitionsAfterwards, 2456 CoEnabledTransitionPairs, 8 FixpointIterations, 36 TrivialSequentialCompositions, 44 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 1183 VarBasedMoverChecksPositive, 41 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 7366 CheckedPairsTotal, 88 TotalNumberOfCompositions - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 109 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.2s, HoareTripleCheckerStatistics: 165 SDtfs, 178 SDslu, 216 SDs, 0 SdLazy, 44 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4266occurred 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: 0.5s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 1894 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 correct! Received shutdown request...