/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.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe034_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-05 23:42:35,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 23:42:35,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 23:42:35,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 23:42:35,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 23:42:35,279 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 23:42:35,282 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 23:42:35,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 23:42:35,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 23:42:35,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 23:42:35,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 23:42:35,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 23:42:35,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 23:42:35,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 23:42:35,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 23:42:35,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 23:42:35,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 23:42:35,301 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 23:42:35,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 23:42:35,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 23:42:35,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 23:42:35,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 23:42:35,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 23:42:35,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 23:42:35,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-05 23:42:35,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 23:42:35,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 23:42:35,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 23:42:35,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 23:42:35,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 23:42:35,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 23:42:35,340 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 23:42:35,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 23:42:35,340 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 23:42:35,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 23:42:35,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 23:42:35,344 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.epf [2020-10-05 23:42:35,367 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 23:42:35,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 23:42:35,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 23:42:35,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 23:42:35,371 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 23:42:35,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 23:42:35,372 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 23:42:35,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 23:42:35,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 23:42:35,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 23:42:35,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 23:42:35,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 23:42:35,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 23:42:35,373 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 23:42:35,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 23:42:35,373 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 23:42:35,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 23:42:35,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 23:42:35,374 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 23:42:35,374 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 23:42:35,374 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 23:42:35,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:42:35,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 23:42:35,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-05 23:42:35,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 23:42:35,375 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 23:42:35,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 23:42:35,376 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-05 23:42:35,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 23:42:35,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 23:42:35,671 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 23:42:35,675 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 23:42:35,676 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 23:42:35,678 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 23:42:35,679 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe034_tso.oepc.i [2020-10-05 23:42:35,733 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5380a4bed/b6fe3b41bd944a1bbb9df796821e6b70/FLAG6c88151b4 [2020-10-05 23:42:36,287 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 23:42:36,287 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe034_tso.oepc.i [2020-10-05 23:42:36,301 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5380a4bed/b6fe3b41bd944a1bbb9df796821e6b70/FLAG6c88151b4 [2020-10-05 23:42:36,586 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5380a4bed/b6fe3b41bd944a1bbb9df796821e6b70 [2020-10-05 23:42:36,595 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 23:42:36,596 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 23:42:36,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 23:42:36,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 23:42:36,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 23:42:36,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:42:36" (1/1) ... [2020-10-05 23:42:36,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d1be5c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:36, skipping insertion in model container [2020-10-05 23:42:36,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:42:36" (1/1) ... [2020-10-05 23:42:36,615 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 23:42:36,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 23:42:37,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:42:37,156 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 23:42:37,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:42:37,302 INFO L208 MainTranslator]: Completed translation [2020-10-05 23:42:37,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:37 WrapperNode [2020-10-05 23:42:37,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 23:42:37,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 23:42:37,304 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 23:42:37,304 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 23:42:37,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:37" (1/1) ... [2020-10-05 23:42:37,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:37" (1/1) ... [2020-10-05 23:42:37,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 23:42:37,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 23:42:37,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 23:42:37,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 23:42:37,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:37" (1/1) ... [2020-10-05 23:42:37,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:37" (1/1) ... [2020-10-05 23:42:37,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:37" (1/1) ... [2020-10-05 23:42:37,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:37" (1/1) ... [2020-10-05 23:42:37,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:37" (1/1) ... [2020-10-05 23:42:37,368 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:37" (1/1) ... [2020-10-05 23:42:37,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:37" (1/1) ... [2020-10-05 23:42:37,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 23:42:37,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 23:42:37,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 23:42:37,374 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 23:42:37,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:37" (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 [2020-10-05 23:42:37,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 23:42:37,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-05 23:42:37,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 23:42:37,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 23:42:37,444 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-05 23:42:37,444 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-05 23:42:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-05 23:42:37,445 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-05 23:42:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-05 23:42:37,445 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-05 23:42:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-05 23:42:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 23:42:37,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 23:42:37,448 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-05 23:42:37,780 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 23:42:37,781 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-05 23:42:37,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:42:37 BoogieIcfgContainer [2020-10-05 23:42:37,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 23:42:37,784 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 23:42:37,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 23:42:37,787 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 23:42:37,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 11:42:36" (1/3) ... [2020-10-05 23:42:37,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5041cb94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:42:37, skipping insertion in model container [2020-10-05 23:42:37,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:37" (2/3) ... [2020-10-05 23:42:37,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5041cb94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:42:37, skipping insertion in model container [2020-10-05 23:42:37,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:42:37" (3/3) ... [2020-10-05 23:42:37,791 INFO L109 eAbstractionObserver]: Analyzing ICFG safe034_tso.oepc.i [2020-10-05 23:42:37,801 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 23:42:37,801 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-05 23:42:37,808 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-05 23:42:37,808 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 23:42:37,834 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:37,834 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:37,834 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:37,837 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:37,838 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:37,838 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:37,839 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:37,839 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:37,839 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:37,839 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:37,840 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:37,840 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:37,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:37,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:37,841 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:37,841 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:37,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:37,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:37,846 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:37,846 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:37,847 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:37,847 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:37,855 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:37,855 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:37,856 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:37,856 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:37,858 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:37,858 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:37,858 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:37,859 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:37,874 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-05 23:42:37,894 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 23:42:37,894 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 23:42:37,894 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-05 23:42:37,894 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 23:42:37,894 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 23:42:37,894 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 23:42:37,895 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 23:42:37,895 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 23:42:37,909 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 70 transitions, 155 flow [2020-10-05 23:42:37,911 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow [2020-10-05 23:42:37,953 INFO L129 PetriNetUnfolder]: 2/67 cut-off events. [2020-10-05 23:42:37,953 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:42:37,958 INFO L80 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 67 events. 2/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 49 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-10-05 23:42:37,961 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow [2020-10-05 23:42:37,985 INFO L129 PetriNetUnfolder]: 2/67 cut-off events. [2020-10-05 23:42:37,985 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:42:37,986 INFO L80 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 67 events. 2/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 49 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-10-05 23:42:37,988 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2020-10-05 23:42:37,989 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-05 23:42:39,259 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2732 [2020-10-05 23:42:39,259 INFO L214 etLargeBlockEncoding]: Total number of compositions: 60 [2020-10-05 23:42:39,263 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 22 transitions, 59 flow [2020-10-05 23:42:39,288 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 298 states. [2020-10-05 23:42:39,290 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states. [2020-10-05 23:42:39,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-05 23:42:39,297 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:42:39,298 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:42:39,298 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:42:39,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:42:39,304 INFO L82 PathProgramCache]: Analyzing trace with hash 760003701, now seen corresponding path program 1 times [2020-10-05 23:42:39,314 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:42:39,314 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874524491] [2020-10-05 23:42:39,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:42:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:42:39,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:42:39,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874524491] [2020-10-05 23:42:39,533 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:42:39,534 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:42:39,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045076198] [2020-10-05 23:42:39,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:42:39,539 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:42:39,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:42:39,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:42:39,557 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 3 states. [2020-10-05 23:42:39,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:42:39,602 INFO L93 Difference]: Finished difference Result 290 states and 834 transitions. [2020-10-05 23:42:39,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:42:39,604 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-05 23:42:39,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:42:39,621 INFO L225 Difference]: With dead ends: 290 [2020-10-05 23:42:39,621 INFO L226 Difference]: Without dead ends: 226 [2020-10-05 23:42:39,623 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 [2020-10-05 23:42:39,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-10-05 23:42:39,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2020-10-05 23:42:39,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-10-05 23:42:39,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 626 transitions. [2020-10-05 23:42:39,687 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 626 transitions. Word has length 8 [2020-10-05 23:42:39,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:42:39,688 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 626 transitions. [2020-10-05 23:42:39,689 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:42:39,689 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 626 transitions. [2020-10-05 23:42:39,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-05 23:42:39,690 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:42:39,690 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:42:39,691 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 23:42:39,691 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:42:39,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:42:39,691 INFO L82 PathProgramCache]: Analyzing trace with hash 2069729619, now seen corresponding path program 1 times [2020-10-05 23:42:39,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:42:39,692 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585518409] [2020-10-05 23:42:39,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:42:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:42:39,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:42:39,777 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585518409] [2020-10-05 23:42:39,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:42:39,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:42:39,778 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578245246] [2020-10-05 23:42:39,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:42:39,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:42:39,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:42:39,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:42:39,780 INFO L87 Difference]: Start difference. First operand 226 states and 626 transitions. Second operand 4 states. [2020-10-05 23:42:39,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:42:39,824 INFO L93 Difference]: Finished difference Result 242 states and 605 transitions. [2020-10-05 23:42:39,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:42:39,824 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-10-05 23:42:39,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:42:39,826 INFO L225 Difference]: With dead ends: 242 [2020-10-05 23:42:39,826 INFO L226 Difference]: Without dead ends: 178 [2020-10-05 23:42:39,827 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 [2020-10-05 23:42:39,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-10-05 23:42:39,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2020-10-05 23:42:39,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-10-05 23:42:39,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 434 transitions. [2020-10-05 23:42:39,843 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 434 transitions. Word has length 9 [2020-10-05 23:42:39,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:42:39,844 INFO L479 AbstractCegarLoop]: Abstraction has 178 states and 434 transitions. [2020-10-05 23:42:39,844 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:42:39,844 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 434 transitions. [2020-10-05 23:42:39,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-05 23:42:39,845 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:42:39,845 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:42:39,845 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 23:42:39,846 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:42:39,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:42:39,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1183022512, now seen corresponding path program 1 times [2020-10-05 23:42:39,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:42:39,847 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566862316] [2020-10-05 23:42:39,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:42:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:42:39,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:42:39,948 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566862316] [2020-10-05 23:42:39,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:42:39,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:42:39,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73181003] [2020-10-05 23:42:39,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:42:39,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:42:39,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:42:39,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:42:39,952 INFO L87 Difference]: Start difference. First operand 178 states and 434 transitions. Second operand 5 states. [2020-10-05 23:42:40,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:42:40,017 INFO L93 Difference]: Finished difference Result 163 states and 368 transitions. [2020-10-05 23:42:40,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:42:40,019 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-10-05 23:42:40,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:42:40,021 INFO L225 Difference]: With dead ends: 163 [2020-10-05 23:42:40,022 INFO L226 Difference]: Without dead ends: 126 [2020-10-05 23:42:40,022 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-05 23:42:40,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-10-05 23:42:40,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2020-10-05 23:42:40,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-10-05 23:42:40,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 278 transitions. [2020-10-05 23:42:40,039 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 278 transitions. Word has length 11 [2020-10-05 23:42:40,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:42:40,040 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 278 transitions. [2020-10-05 23:42:40,040 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:42:40,041 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 278 transitions. [2020-10-05 23:42:40,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-05 23:42:40,042 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:42:40,042 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:42:40,042 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-05 23:42:40,043 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:42:40,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:42:40,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1548024821, now seen corresponding path program 1 times [2020-10-05 23:42:40,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:42:40,044 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491878373] [2020-10-05 23:42:40,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:42:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:42:40,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:42:40,142 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491878373] [2020-10-05 23:42:40,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:42:40,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:42:40,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405877960] [2020-10-05 23:42:40,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-05 23:42:40,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:42:40,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-05 23:42:40,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-05 23:42:40,144 INFO L87 Difference]: Start difference. First operand 126 states and 278 transitions. Second operand 6 states. [2020-10-05 23:42:40,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:42:40,194 INFO L93 Difference]: Finished difference Result 118 states and 260 transitions. [2020-10-05 23:42:40,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 23:42:40,194 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-10-05 23:42:40,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:42:40,195 INFO L225 Difference]: With dead ends: 118 [2020-10-05 23:42:40,196 INFO L226 Difference]: Without dead ends: 108 [2020-10-05 23:42:40,196 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:42:40,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-10-05 23:42:40,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2020-10-05 23:42:40,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-10-05 23:42:40,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 242 transitions. [2020-10-05 23:42:40,202 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 242 transitions. Word has length 14 [2020-10-05 23:42:40,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:42:40,203 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 242 transitions. [2020-10-05 23:42:40,203 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-05 23:42:40,203 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 242 transitions. [2020-10-05 23:42:40,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-05 23:42:40,204 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:42:40,205 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:42:40,205 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-05 23:42:40,205 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:42:40,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:42:40,205 INFO L82 PathProgramCache]: Analyzing trace with hash 2137678742, now seen corresponding path program 1 times [2020-10-05 23:42:40,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:42:40,206 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721486961] [2020-10-05 23:42:40,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:42:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:42:40,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:42:40,239 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721486961] [2020-10-05 23:42:40,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:42:40,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:42:40,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938127318] [2020-10-05 23:42:40,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:42:40,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:42:40,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:42:40,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:42:40,241 INFO L87 Difference]: Start difference. First operand 108 states and 242 transitions. Second operand 3 states. [2020-10-05 23:42:40,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:42:40,248 INFO L93 Difference]: Finished difference Result 133 states and 289 transitions. [2020-10-05 23:42:40,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:42:40,249 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-05 23:42:40,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:42:40,249 INFO L225 Difference]: With dead ends: 133 [2020-10-05 23:42:40,249 INFO L226 Difference]: Without dead ends: 54 [2020-10-05 23:42:40,250 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:42:40,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-10-05 23:42:40,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2020-10-05 23:42:40,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-05 23:42:40,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 98 transitions. [2020-10-05 23:42:40,253 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 98 transitions. Word has length 17 [2020-10-05 23:42:40,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:42:40,254 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 98 transitions. [2020-10-05 23:42:40,254 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:42:40,254 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 98 transitions. [2020-10-05 23:42:40,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-05 23:42:40,254 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:42:40,255 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:42:40,255 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-05 23:42:40,255 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:42:40,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:42:40,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1164645812, now seen corresponding path program 2 times [2020-10-05 23:42:40,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:42:40,256 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750875843] [2020-10-05 23:42:40,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:42:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:42:40,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:42:40,318 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750875843] [2020-10-05 23:42:40,318 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:42:40,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:42:40,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184955581] [2020-10-05 23:42:40,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:42:40,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:42:40,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:42:40,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:42:40,321 INFO L87 Difference]: Start difference. First operand 54 states and 98 transitions. Second operand 4 states. [2020-10-05 23:42:40,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:42:40,349 INFO L93 Difference]: Finished difference Result 67 states and 119 transitions. [2020-10-05 23:42:40,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 23:42:40,349 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-10-05 23:42:40,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:42:40,350 INFO L225 Difference]: With dead ends: 67 [2020-10-05 23:42:40,350 INFO L226 Difference]: Without dead ends: 30 [2020-10-05 23:42:40,350 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:42:40,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-05 23:42:40,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-05 23:42:40,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-05 23:42:40,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2020-10-05 23:42:40,352 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 17 [2020-10-05 23:42:40,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:42:40,353 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2020-10-05 23:42:40,353 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:42:40,353 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2020-10-05 23:42:40,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-05 23:42:40,354 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:42:40,354 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:42:40,354 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-05 23:42:40,354 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:42:40,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:42:40,355 INFO L82 PathProgramCache]: Analyzing trace with hash 2098338434, now seen corresponding path program 3 times [2020-10-05 23:42:40,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:42:40,355 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694759483] [2020-10-05 23:42:40,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:42:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:42:40,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:42:40,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694759483] [2020-10-05 23:42:40,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:42:40,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:42:40,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653412494] [2020-10-05 23:42:40,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:42:40,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:42:40,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:42:40,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:42:40,391 INFO L87 Difference]: Start difference. First operand 30 states and 44 transitions. Second operand 4 states. [2020-10-05 23:42:40,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:42:40,404 INFO L93 Difference]: Finished difference Result 29 states and 43 transitions. [2020-10-05 23:42:40,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 23:42:40,404 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-10-05 23:42:40,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:42:40,404 INFO L225 Difference]: With dead ends: 29 [2020-10-05 23:42:40,404 INFO L226 Difference]: Without dead ends: 0 [2020-10-05 23:42:40,405 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:42:40,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-05 23:42:40,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-05 23:42:40,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-05 23:42:40,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-05 23:42:40,406 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2020-10-05 23:42:40,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:42:40,406 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-05 23:42:40,406 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:42:40,406 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-05 23:42:40,406 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-05 23:42:40,406 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-05 23:42:40,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 11:42:40 BasicIcfg [2020-10-05 23:42:40,410 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-05 23:42:40,412 INFO L168 Benchmark]: Toolchain (without parser) took 3815.49 ms. Allocated memory was 141.0 MB in the beginning and 245.9 MB in the end (delta: 104.9 MB). Free memory was 101.1 MB in the beginning and 200.2 MB in the end (delta: -99.2 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2020-10-05 23:42:40,413 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-05 23:42:40,414 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.78 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 100.9 MB in the beginning and 159.5 MB in the end (delta: -58.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2020-10-05 23:42:40,415 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.83 ms. Allocated memory is still 203.9 MB. Free memory was 159.5 MB in the beginning and 157.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-10-05 23:42:40,416 INFO L168 Benchmark]: Boogie Preprocessor took 24.47 ms. Allocated memory is still 203.9 MB. Free memory was 157.6 MB in the beginning and 156.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-10-05 23:42:40,416 INFO L168 Benchmark]: RCFGBuilder took 409.70 ms. Allocated memory is still 203.9 MB. Free memory was 156.3 MB in the beginning and 133.6 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2020-10-05 23:42:40,417 INFO L168 Benchmark]: TraceAbstraction took 2625.64 ms. Allocated memory was 203.9 MB in the beginning and 245.9 MB in the end (delta: 41.9 MB). Free memory was 133.6 MB in the beginning and 200.2 MB in the end (delta: -66.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-05 23:42:40,421 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 705.78 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 100.9 MB in the beginning and 159.5 MB in the end (delta: -58.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.83 ms. Allocated memory is still 203.9 MB. Free memory was 159.5 MB in the beginning and 157.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.47 ms. Allocated memory is still 203.9 MB. Free memory was 157.6 MB in the beginning and 156.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 409.70 ms. Allocated memory is still 203.9 MB. Free memory was 156.3 MB in the beginning and 133.6 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2625.64 ms. Allocated memory was 203.9 MB in the beginning and 245.9 MB in the end (delta: 41.9 MB). Free memory was 133.6 MB in the beginning and 200.2 MB in the end (delta: -66.6 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 LbeTime: 1.3s, 78 ProgramPointsBefore, 31 ProgramPointsAfterwards, 70 TransitionsBefore, 22 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 7 FixpointIterations, 14 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 665 VarBasedMoverChecksPositive, 21 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 2732 CheckedPairsTotal, 60 TotalNumberOfCompositions - 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 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.5s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.3s, HoareTripleCheckerStatistics: 141 SDtfs, 114 SDslu, 191 SDs, 0 SdLazy, 96 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=298occurred 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: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 86 ConstructedInterpolants, 0 QuantifiedInterpolants, 2838 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...