/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/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe009_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 02:14:27,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 02:14:27,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 02:14:27,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 02:14:27,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 02:14:27,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 02:14:27,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 02:14:27,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 02:14:27,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 02:14:27,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 02:14:27,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 02:14:27,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 02:14:27,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 02:14:27,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 02:14:27,472 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 02:14:27,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 02:14:27,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 02:14:27,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 02:14:27,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 02:14:27,481 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 02:14:27,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 02:14:27,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 02:14:27,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 02:14:27,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 02:14:27,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 02:14:27,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 02:14:27,493 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 02:14:27,494 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 02:14:27,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 02:14:27,496 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 02:14:27,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 02:14:27,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 02:14:27,498 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 02:14:27,499 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 02:14:27,500 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 02:14:27,500 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 02:14:27,501 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 02:14:27,501 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 02:14:27,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 02:14:27,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 02:14:27,503 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 02:14:27,504 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf [2020-04-18 02:14:27,536 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 02:14:27,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 02:14:27,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 02:14:27,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 02:14:27,541 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 02:14:27,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 02:14:27,541 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 02:14:27,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 02:14:27,541 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 02:14:27,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 02:14:27,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 02:14:27,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 02:14:27,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 02:14:27,542 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 02:14:27,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 02:14:27,543 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 02:14:27,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 02:14:27,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 02:14:27,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 02:14:27,544 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 02:14:27,544 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 02:14:27,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 02:14:27,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 02:14:27,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 02:14:27,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 02:14:27,545 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-04-18 02:14:27,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 02:14:27,546 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-04-18 02:14:27,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 02:14:27,546 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 02:14:27,818 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 02:14:27,830 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 02:14:27,834 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 02:14:27,835 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 02:14:27,835 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 02:14:27,836 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe009_tso.opt.i [2020-04-18 02:14:27,893 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a29013244/b2ccbcb76bf94e9c80f472aa5258a238/FLAG7c1d41da8 [2020-04-18 02:14:28,338 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 02:14:28,341 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe009_tso.opt.i [2020-04-18 02:14:28,365 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a29013244/b2ccbcb76bf94e9c80f472aa5258a238/FLAG7c1d41da8 [2020-04-18 02:14:28,704 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a29013244/b2ccbcb76bf94e9c80f472aa5258a238 [2020-04-18 02:14:28,713 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 02:14:28,735 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 02:14:28,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 02:14:28,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 02:14:28,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 02:14:28,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 02:14:28" (1/1) ... [2020-04-18 02:14:28,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1479c75e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:14:28, skipping insertion in model container [2020-04-18 02:14:28,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 02:14:28" (1/1) ... [2020-04-18 02:14:28,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 02:14:28,794 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 02:14:29,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 02:14:29,264 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 02:14:29,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 02:14:29,435 INFO L208 MainTranslator]: Completed translation [2020-04-18 02:14:29,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:14:29 WrapperNode [2020-04-18 02:14:29,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 02:14:29,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 02:14:29,437 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 02:14:29,437 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 02:14:29,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:14:29" (1/1) ... [2020-04-18 02:14:29,474 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:14:29" (1/1) ... [2020-04-18 02:14:29,500 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 02:14:29,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 02:14:29,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 02:14:29,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 02:14:29,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:14:29" (1/1) ... [2020-04-18 02:14:29,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:14:29" (1/1) ... [2020-04-18 02:14:29,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:14:29" (1/1) ... [2020-04-18 02:14:29,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:14:29" (1/1) ... [2020-04-18 02:14:29,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:14:29" (1/1) ... [2020-04-18 02:14:29,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:14:29" (1/1) ... [2020-04-18 02:14:29,524 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:14:29" (1/1) ... [2020-04-18 02:14:29,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 02:14:29,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 02:14:29,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 02:14:29,528 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 02:14:29,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:14:29" (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 [2020-04-18 02:14:29,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 02:14:29,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-04-18 02:14:29,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 02:14:29,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 02:14:29,591 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-04-18 02:14:29,592 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-04-18 02:14:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-04-18 02:14:29,592 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-04-18 02:14:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-04-18 02:14:29,592 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-04-18 02:14:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-04-18 02:14:29,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 02:14:29,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 02:14:29,594 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 02:14:29,958 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 02:14:29,959 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-04-18 02:14:29,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 02:14:29 BoogieIcfgContainer [2020-04-18 02:14:29,963 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 02:14:29,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 02:14:29,964 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 02:14:29,967 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 02:14:29,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 02:14:28" (1/3) ... [2020-04-18 02:14:29,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13dbd55b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 02:14:29, skipping insertion in model container [2020-04-18 02:14:29,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:14:29" (2/3) ... [2020-04-18 02:14:29,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13dbd55b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 02:14:29, skipping insertion in model container [2020-04-18 02:14:29,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 02:14:29" (3/3) ... [2020-04-18 02:14:29,971 INFO L109 eAbstractionObserver]: Analyzing ICFG safe009_tso.opt.i [2020-04-18 02:14:29,979 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 02:14:29,980 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 02:14:29,986 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-04-18 02:14:29,987 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 02:14:30,018 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:14:30,019 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:14:30,019 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:14:30,021 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:14:30,022 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:14:30,022 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:14:30,023 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:14:30,023 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:14:30,023 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:14:30,023 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:14:30,024 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:14:30,024 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:14:30,026 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:14:30,027 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:14:30,027 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:14:30,027 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:14:30,027 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:14:30,028 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:14:30,034 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:14:30,035 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:14:30,035 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:14:30,036 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:14:30,043 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:14:30,044 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:14:30,045 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:14:30,045 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:14:30,053 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:14:30,054 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:14:30,054 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:14:30,054 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:14:30,071 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-04-18 02:14:30,089 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 02:14:30,089 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 02:14:30,090 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 02:14:30,090 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 02:14:30,090 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 02:14:30,090 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 02:14:30,090 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 02:14:30,091 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 02:14:30,104 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 68 transitions, 151 flow [2020-04-18 02:14:30,107 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 76 places, 68 transitions, 151 flow [2020-04-18 02:14:30,148 INFO L129 PetriNetUnfolder]: 2/65 cut-off events. [2020-04-18 02:14:30,148 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-04-18 02:14:30,153 INFO L80 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 65 events. 2/65 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. 0/62 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2020-04-18 02:14:30,156 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 76 places, 68 transitions, 151 flow [2020-04-18 02:14:30,176 INFO L129 PetriNetUnfolder]: 2/65 cut-off events. [2020-04-18 02:14:30,176 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-04-18 02:14:30,177 INFO L80 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 65 events. 2/65 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. 0/62 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2020-04-18 02:14:30,179 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1186 [2020-04-18 02:14:30,180 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-04-18 02:14:31,349 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2020-04-18 02:14:31,656 INFO L206 etLargeBlockEncoding]: Checked pairs total: 1951 [2020-04-18 02:14:31,657 INFO L214 etLargeBlockEncoding]: Total number of compositions: 54 [2020-04-18 02:14:31,660 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 30 places, 20 transitions, 55 flow [2020-04-18 02:14:31,682 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 234 states. [2020-04-18 02:14:31,684 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states. [2020-04-18 02:14:31,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-04-18 02:14:31,691 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:14:31,692 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:14:31,693 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:14:31,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:14:31,699 INFO L82 PathProgramCache]: Analyzing trace with hash 364476878, now seen corresponding path program 1 times [2020-04-18 02:14:31,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:14:31,708 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923716439] [2020-04-18 02:14:31,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:14:31,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:14:31,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:14:31,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923716439] [2020-04-18 02:14:31,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:14:31,917 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-04-18 02:14:31,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648106316] [2020-04-18 02:14:31,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 02:14:31,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:14:31,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 02:14:31,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 02:14:31,946 INFO L87 Difference]: Start difference. First operand 234 states. Second operand 3 states. [2020-04-18 02:14:32,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:14:32,004 INFO L93 Difference]: Finished difference Result 222 states and 615 transitions. [2020-04-18 02:14:32,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 02:14:32,008 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-04-18 02:14:32,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:14:32,044 INFO L225 Difference]: With dead ends: 222 [2020-04-18 02:14:32,044 INFO L226 Difference]: Without dead ends: 174 [2020-04-18 02:14:32,046 INFO L678 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 [2020-04-18 02:14:32,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2020-04-18 02:14:32,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2020-04-18 02:14:32,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-04-18 02:14:32,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 463 transitions. [2020-04-18 02:14:32,130 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 463 transitions. Word has length 8 [2020-04-18 02:14:32,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:14:32,133 INFO L479 AbstractCegarLoop]: Abstraction has 174 states and 463 transitions. [2020-04-18 02:14:32,134 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 02:14:32,134 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 463 transitions. [2020-04-18 02:14:32,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-04-18 02:14:32,135 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:14:32,135 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:14:32,136 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:14:32,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:14:32,136 INFO L82 PathProgramCache]: Analyzing trace with hash -1586119381, now seen corresponding path program 1 times [2020-04-18 02:14:32,136 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:14:32,137 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025645415] [2020-04-18 02:14:32,137 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:14:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:14:32,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:14:32,221 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025645415] [2020-04-18 02:14:32,221 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:14:32,221 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 02:14:32,221 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368487204] [2020-04-18 02:14:32,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 02:14:32,225 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:14:32,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 02:14:32,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 02:14:32,225 INFO L87 Difference]: Start difference. First operand 174 states and 463 transitions. Second operand 4 states. [2020-04-18 02:14:32,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:14:32,260 INFO L93 Difference]: Finished difference Result 204 states and 513 transitions. [2020-04-18 02:14:32,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-18 02:14:32,260 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-04-18 02:14:32,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:14:32,262 INFO L225 Difference]: With dead ends: 204 [2020-04-18 02:14:32,262 INFO L226 Difference]: Without dead ends: 108 [2020-04-18 02:14:32,263 INFO L678 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 [2020-04-18 02:14:32,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-04-18 02:14:32,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2020-04-18 02:14:32,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-04-18 02:14:32,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 253 transitions. [2020-04-18 02:14:32,274 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 253 transitions. Word has length 9 [2020-04-18 02:14:32,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:14:32,274 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 253 transitions. [2020-04-18 02:14:32,274 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 02:14:32,274 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 253 transitions. [2020-04-18 02:14:32,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-04-18 02:14:32,276 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:14:32,277 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:14:32,277 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:14:32,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:14:32,277 INFO L82 PathProgramCache]: Analyzing trace with hash 409264718, now seen corresponding path program 1 times [2020-04-18 02:14:32,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:14:32,278 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193279351] [2020-04-18 02:14:32,278 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:14:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:14:32,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:14:32,384 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193279351] [2020-04-18 02:14:32,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:14:32,385 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 02:14:32,386 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72728518] [2020-04-18 02:14:32,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 02:14:32,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:14:32,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 02:14:32,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 02:14:32,387 INFO L87 Difference]: Start difference. First operand 108 states and 253 transitions. Second operand 4 states. [2020-04-18 02:14:32,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:14:32,411 INFO L93 Difference]: Finished difference Result 138 states and 314 transitions. [2020-04-18 02:14:32,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-18 02:14:32,412 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-04-18 02:14:32,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:14:32,413 INFO L225 Difference]: With dead ends: 138 [2020-04-18 02:14:32,413 INFO L226 Difference]: Without dead ends: 60 [2020-04-18 02:14:32,414 INFO L678 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 [2020-04-18 02:14:32,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-04-18 02:14:32,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2020-04-18 02:14:32,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-04-18 02:14:32,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 129 transitions. [2020-04-18 02:14:32,419 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 129 transitions. Word has length 11 [2020-04-18 02:14:32,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:14:32,420 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 129 transitions. [2020-04-18 02:14:32,420 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 02:14:32,420 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 129 transitions. [2020-04-18 02:14:32,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-04-18 02:14:32,421 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:14:32,421 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:14:32,421 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:14:32,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:14:32,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1143893480, now seen corresponding path program 1 times [2020-04-18 02:14:32,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:14:32,422 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558813142] [2020-04-18 02:14:32,422 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:14:32,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:14:32,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:14:32,513 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558813142] [2020-04-18 02:14:32,513 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:14:32,513 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 02:14:32,514 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388529249] [2020-04-18 02:14:32,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 02:14:32,514 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:14:32,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 02:14:32,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 02:14:32,515 INFO L87 Difference]: Start difference. First operand 60 states and 129 transitions. Second operand 4 states. [2020-04-18 02:14:32,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:14:32,573 INFO L93 Difference]: Finished difference Result 73 states and 142 transitions. [2020-04-18 02:14:32,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-18 02:14:32,574 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-04-18 02:14:32,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:14:32,575 INFO L225 Difference]: With dead ends: 73 [2020-04-18 02:14:32,575 INFO L226 Difference]: Without dead ends: 52 [2020-04-18 02:14:32,576 INFO L678 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 [2020-04-18 02:14:32,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-04-18 02:14:32,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-04-18 02:14:32,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-04-18 02:14:32,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 101 transitions. [2020-04-18 02:14:32,581 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 101 transitions. Word has length 12 [2020-04-18 02:14:32,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:14:32,581 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 101 transitions. [2020-04-18 02:14:32,581 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 02:14:32,582 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 101 transitions. [2020-04-18 02:14:32,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-04-18 02:14:32,585 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:14:32,585 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:14:32,585 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:14:32,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:14:32,586 INFO L82 PathProgramCache]: Analyzing trace with hash -1190230917, now seen corresponding path program 1 times [2020-04-18 02:14:32,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:14:32,586 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133223465] [2020-04-18 02:14:32,586 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:14:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:14:32,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:14:32,673 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133223465] [2020-04-18 02:14:32,673 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:14:32,673 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 02:14:32,673 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971790122] [2020-04-18 02:14:32,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-18 02:14:32,674 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:14:32,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-18 02:14:32,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-04-18 02:14:32,675 INFO L87 Difference]: Start difference. First operand 52 states and 101 transitions. Second operand 5 states. [2020-04-18 02:14:32,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:14:32,727 INFO L93 Difference]: Finished difference Result 53 states and 91 transitions. [2020-04-18 02:14:32,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-04-18 02:14:32,727 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-04-18 02:14:32,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:14:32,728 INFO L225 Difference]: With dead ends: 53 [2020-04-18 02:14:32,728 INFO L226 Difference]: Without dead ends: 38 [2020-04-18 02:14:32,729 INFO L678 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 [2020-04-18 02:14:32,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-04-18 02:14:32,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-04-18 02:14:32,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-04-18 02:14:32,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 61 transitions. [2020-04-18 02:14:32,732 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 61 transitions. Word has length 13 [2020-04-18 02:14:32,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:14:32,733 INFO L479 AbstractCegarLoop]: Abstraction has 38 states and 61 transitions. [2020-04-18 02:14:32,733 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-18 02:14:32,733 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2020-04-18 02:14:32,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-04-18 02:14:32,734 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:14:32,734 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:14:32,734 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:14:32,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:14:32,734 INFO L82 PathProgramCache]: Analyzing trace with hash 1757733921, now seen corresponding path program 1 times [2020-04-18 02:14:32,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:14:32,735 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638265428] [2020-04-18 02:14:32,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:14:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:14:32,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:14:32,795 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638265428] [2020-04-18 02:14:32,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:14:32,795 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-04-18 02:14:32,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357702729] [2020-04-18 02:14:32,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 02:14:32,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:14:32,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 02:14:32,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-04-18 02:14:32,797 INFO L87 Difference]: Start difference. First operand 38 states and 61 transitions. Second operand 6 states. [2020-04-18 02:14:32,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:14:32,845 INFO L93 Difference]: Finished difference Result 35 states and 53 transitions. [2020-04-18 02:14:32,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-04-18 02:14:32,845 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-04-18 02:14:32,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:14:32,846 INFO L225 Difference]: With dead ends: 35 [2020-04-18 02:14:32,846 INFO L226 Difference]: Without dead ends: 29 [2020-04-18 02:14:32,846 INFO L678 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 [2020-04-18 02:14:32,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-04-18 02:14:32,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-04-18 02:14:32,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-04-18 02:14:32,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 43 transitions. [2020-04-18 02:14:32,849 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 43 transitions. Word has length 14 [2020-04-18 02:14:32,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:14:32,849 INFO L479 AbstractCegarLoop]: Abstraction has 29 states and 43 transitions. [2020-04-18 02:14:32,850 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 02:14:32,850 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2020-04-18 02:14:32,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-04-18 02:14:32,850 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:14:32,851 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:14:32,851 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:14:32,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:14:32,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1250665313, now seen corresponding path program 1 times [2020-04-18 02:14:32,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:14:32,852 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003855121] [2020-04-18 02:14:32,852 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:14:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:14:32,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:14:32,879 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003855121] [2020-04-18 02:14:32,879 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:14:32,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 02:14:32,880 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607769117] [2020-04-18 02:14:32,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 02:14:32,880 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:14:32,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 02:14:32,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 02:14:32,881 INFO L87 Difference]: Start difference. First operand 29 states and 43 transitions. Second operand 3 states. [2020-04-18 02:14:32,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:14:32,887 INFO L93 Difference]: Finished difference Result 28 states and 42 transitions. [2020-04-18 02:14:32,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 02:14:32,887 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-04-18 02:14:32,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:14:32,887 INFO L225 Difference]: With dead ends: 28 [2020-04-18 02:14:32,888 INFO L226 Difference]: Without dead ends: 0 [2020-04-18 02:14:32,888 INFO L678 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 [2020-04-18 02:14:32,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-04-18 02:14:32,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-04-18 02:14:32,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-04-18 02:14:32,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-04-18 02:14:32,889 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2020-04-18 02:14:32,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:14:32,889 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-04-18 02:14:32,889 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 02:14:32,889 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-04-18 02:14:32,890 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 02:14:32,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 02:14:32 BasicIcfg [2020-04-18 02:14:32,894 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 02:14:32,896 INFO L168 Benchmark]: Toolchain (without parser) took 4180.56 ms. Allocated memory was 145.2 MB in the beginning and 245.4 MB in the end (delta: 100.1 MB). Free memory was 101.4 MB in the beginning and 99.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 102.2 MB. Max. memory is 7.1 GB. [2020-04-18 02:14:32,896 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-04-18 02:14:32,897 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.01 ms. Allocated memory was 145.2 MB in the beginning and 203.9 MB in the end (delta: 58.7 MB). Free memory was 99.3 MB in the beginning and 158.6 MB in the end (delta: -59.3 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2020-04-18 02:14:32,898 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.71 ms. Allocated memory is still 203.9 MB. Free memory was 158.6 MB in the beginning and 156.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-04-18 02:14:32,899 INFO L168 Benchmark]: Boogie Preprocessor took 26.55 ms. Allocated memory is still 203.9 MB. Free memory was 156.6 MB in the beginning and 155.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-04-18 02:14:32,900 INFO L168 Benchmark]: RCFGBuilder took 435.45 ms. Allocated memory is still 203.9 MB. Free memory was 155.2 MB in the beginning and 133.0 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2020-04-18 02:14:32,901 INFO L168 Benchmark]: TraceAbstraction took 2929.71 ms. Allocated memory was 203.9 MB in the beginning and 245.4 MB in the end (delta: 41.4 MB). Free memory was 132.3 MB in the beginning and 99.3 MB in the end (delta: 33.1 MB). Peak memory consumption was 74.5 MB. Max. memory is 7.1 GB. [2020-04-18 02:14:32,905 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 145.2 MB. Free memory was 121.6 MB in the beginning and 121.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 700.01 ms. Allocated memory was 145.2 MB in the beginning and 203.9 MB in the end (delta: 58.7 MB). Free memory was 99.3 MB in the beginning and 158.6 MB in the end (delta: -59.3 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 63.71 ms. Allocated memory is still 203.9 MB. Free memory was 158.6 MB in the beginning and 156.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.55 ms. Allocated memory is still 203.9 MB. Free memory was 156.6 MB in the beginning and 155.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 435.45 ms. Allocated memory is still 203.9 MB. Free memory was 155.2 MB in the beginning and 133.0 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2929.71 ms. Allocated memory was 203.9 MB in the beginning and 245.4 MB in the end (delta: 41.4 MB). Free memory was 132.3 MB in the beginning and 99.3 MB in the end (delta: 33.1 MB). Peak memory consumption was 74.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.5s, 76 ProgramPointsBefore, 30 ProgramPointsAfterwards, 68 TransitionsBefore, 20 TransitionsAfterwards, 1186 CoEnabledTransitionPairs, 7 FixpointIterations, 13 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 2 ChoiceCompositions, 606 VarBasedMoverChecksPositive, 20 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 1951 CheckedPairsTotal, 54 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, 67 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.8s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.5s, HoareTripleCheckerStatistics: 110 SDtfs, 103 SDslu, 124 SDs, 0 SdLazy, 97 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=234occurred 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, 0.4s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 2256 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...