/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe028_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 02:19:12,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 02:19:12,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 02:19:12,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 02:19:12,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 02:19:12,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 02:19:12,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 02:19:12,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 02:19:12,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 02:19:12,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 02:19:12,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 02:19:12,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 02:19:12,597 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 02:19:12,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 02:19:12,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 02:19:12,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 02:19:12,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 02:19:12,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 02:19:12,611 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 02:19:12,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 02:19:12,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 02:19:12,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 02:19:12,624 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 02:19:12,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 02:19:12,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-22 02:19:12,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-22 02:19:12,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-22 02:19:12,642 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-22 02:19:12,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-22 02:19:12,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-22 02:19:12,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 02:19:12,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 02:19:12,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 02:19:12,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 02:19:12,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 02:19:12,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 02:19:12,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 02:19:12,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 02:19:12,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 02:19:12,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 02:19:12,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 02:19:12,660 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf [2020-10-22 02:19:12,707 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 02:19:12,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 02:19:12,712 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 02:19:12,712 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 02:19:12,712 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 02:19:12,712 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 02:19:12,712 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 02:19:12,713 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 02:19:12,713 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 02:19:12,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 02:19:12,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 02:19:12,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 02:19:12,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 02:19:12,715 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 02:19:12,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 02:19:12,715 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 02:19:12,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 02:19:12,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 02:19:12,716 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 02:19:12,716 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 02:19:12,717 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 02:19:12,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 02:19:12,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 02:19:12,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 02:19:12,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 02:19:12,718 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 02:19:12,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 02:19:12,718 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 02:19:12,718 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 02:19:12,719 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 02:19:12,719 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 02:19:13,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 02:19:13,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 02:19:13,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 02:19:13,041 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 02:19:13,041 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 02:19:13,042 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe028_tso.opt.i [2020-10-22 02:19:13,118 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5988ecf0/d7a9c04679e44362a940543cdcbc2798/FLAG61129ad6f [2020-10-22 02:19:13,640 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 02:19:13,641 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe028_tso.opt.i [2020-10-22 02:19:13,655 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5988ecf0/d7a9c04679e44362a940543cdcbc2798/FLAG61129ad6f [2020-10-22 02:19:13,972 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5988ecf0/d7a9c04679e44362a940543cdcbc2798 [2020-10-22 02:19:13,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 02:19:13,986 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 02:19:13,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 02:19:13,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 02:19:13,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 02:19:13,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:19:13" (1/1) ... [2020-10-22 02:19:13,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@583129f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:13, skipping insertion in model container [2020-10-22 02:19:13,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:19:13" (1/1) ... [2020-10-22 02:19:14,004 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 02:19:14,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 02:19:14,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:19:14,640 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 02:19:14,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:19:14,821 INFO L208 MainTranslator]: Completed translation [2020-10-22 02:19:14,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:14 WrapperNode [2020-10-22 02:19:14,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 02:19:14,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 02:19:14,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 02:19:14,823 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 02:19:14,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:14" (1/1) ... [2020-10-22 02:19:14,849 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:14" (1/1) ... [2020-10-22 02:19:14,877 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 02:19:14,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 02:19:14,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 02:19:14,877 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 02:19:14,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:14" (1/1) ... [2020-10-22 02:19:14,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:14" (1/1) ... [2020-10-22 02:19:14,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:14" (1/1) ... [2020-10-22 02:19:14,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:14" (1/1) ... [2020-10-22 02:19:14,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:14" (1/1) ... [2020-10-22 02:19:14,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:14" (1/1) ... [2020-10-22 02:19:14,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:14" (1/1) ... [2020-10-22 02:19:14,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 02:19:14,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 02:19:14,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 02:19:14,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 02:19:14,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 02:19:15,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 02:19:15,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-22 02:19:15,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 02:19:15,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 02:19:15,006 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-22 02:19:15,006 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-22 02:19:15,006 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-22 02:19:15,006 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-22 02:19:15,007 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-22 02:19:15,007 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-22 02:19:15,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 02:19:15,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-22 02:19:15,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 02:19:15,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 02:19:15,010 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 02:19:15,440 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 02:19:15,441 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-22 02:19:15,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:19:15 BoogieIcfgContainer [2020-10-22 02:19:15,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 02:19:15,446 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 02:19:15,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 02:19:15,451 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 02:19:15,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 02:19:13" (1/3) ... [2020-10-22 02:19:15,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@410e12c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:19:15, skipping insertion in model container [2020-10-22 02:19:15,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:19:14" (2/3) ... [2020-10-22 02:19:15,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@410e12c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:19:15, skipping insertion in model container [2020-10-22 02:19:15,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:19:15" (3/3) ... [2020-10-22 02:19:15,456 INFO L111 eAbstractionObserver]: Analyzing ICFG safe028_tso.opt.i [2020-10-22 02:19:15,470 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 02:19:15,470 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 02:19:15,480 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-22 02:19:15,482 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 02:19:15,521 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:15,521 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:15,521 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:15,522 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:15,522 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:15,523 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:15,523 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:15,524 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:15,524 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:15,524 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:15,525 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:15,525 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:15,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:15,526 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:15,526 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:15,526 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:15,527 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:15,527 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:15,531 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:15,532 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:15,532 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:15,532 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:15,542 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:15,543 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:15,543 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:15,543 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:15,547 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:15,547 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:15,548 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:15,548 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:19:15,551 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 02:19:15,566 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-22 02:19:15,590 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 02:19:15,590 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 02:19:15,591 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 02:19:15,591 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 02:19:15,591 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 02:19:15,591 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 02:19:15,591 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 02:19:15,591 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 02:19:15,608 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 02:19:15,609 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 78 transitions, 171 flow [2020-10-22 02:19:15,612 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 78 transitions, 171 flow [2020-10-22 02:19:15,615 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 85 places, 78 transitions, 171 flow [2020-10-22 02:19:15,701 INFO L129 PetriNetUnfolder]: 3/75 cut-off events. [2020-10-22 02:19:15,701 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-22 02:19:15,711 INFO L80 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 75 events. 3/75 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 56 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 59. Up to 2 conditions per place. [2020-10-22 02:19:15,717 INFO L116 LiptonReduction]: Number of co-enabled transitions 1348 [2020-10-22 02:19:17,573 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-10-22 02:19:17,685 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-10-22 02:19:17,736 INFO L131 LiptonReduction]: Checked pairs total: 2810 [2020-10-22 02:19:17,737 INFO L133 LiptonReduction]: Total number of compositions: 74 [2020-10-22 02:19:17,745 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 30 places, 21 transitions, 57 flow [2020-10-22 02:19:17,783 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 226 states. [2020-10-22 02:19:17,786 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states. [2020-10-22 02:19:17,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-22 02:19:17,816 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:19:17,817 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:19:17,817 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:19:17,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:19:17,824 INFO L82 PathProgramCache]: Analyzing trace with hash -831263322, now seen corresponding path program 1 times [2020-10-22 02:19:17,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:19:17,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602015086] [2020-10-22 02:19:17,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:19:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:19:18,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:19:18,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602015086] [2020-10-22 02:19:18,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:19:18,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 02:19:18,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [396025296] [2020-10-22 02:19:18,172 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:19:18,175 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:19:18,187 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-10-22 02:19:18,187 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:19:18,191 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:19:18,192 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:19:18,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:19:18,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:19:18,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:19:18,209 INFO L87 Difference]: Start difference. First operand 226 states. Second operand 3 states. [2020-10-22 02:19:18,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:19:18,247 INFO L93 Difference]: Finished difference Result 214 states and 593 transitions. [2020-10-22 02:19:18,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:19:18,249 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-22 02:19:18,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:19:18,263 INFO L225 Difference]: With dead ends: 214 [2020-10-22 02:19:18,263 INFO L226 Difference]: Without dead ends: 166 [2020-10-22 02:19:18,265 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:19:18,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-10-22 02:19:18,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2020-10-22 02:19:18,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-10-22 02:19:18,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 441 transitions. [2020-10-22 02:19:18,327 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 441 transitions. Word has length 8 [2020-10-22 02:19:18,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:19:18,329 INFO L481 AbstractCegarLoop]: Abstraction has 166 states and 441 transitions. [2020-10-22 02:19:18,329 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:19:18,329 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 441 transitions. [2020-10-22 02:19:18,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-22 02:19:18,331 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:19:18,331 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:19:18,331 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 02:19:18,331 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:19:18,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:19:18,351 INFO L82 PathProgramCache]: Analyzing trace with hash 639961, now seen corresponding path program 1 times [2020-10-22 02:19:18,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:19:18,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431871864] [2020-10-22 02:19:18,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:19:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:19:18,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:19:18,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431871864] [2020-10-22 02:19:18,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:19:18,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:19:18,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1719888686] [2020-10-22 02:19:18,463 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:19:18,464 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:19:18,466 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 11 transitions. [2020-10-22 02:19:18,467 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:19:18,498 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:19:18,499 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 02:19:18,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:19:18,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 02:19:18,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 02:19:18,501 INFO L87 Difference]: Start difference. First operand 166 states and 441 transitions. Second operand 4 states. [2020-10-22 02:19:18,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:19:18,560 INFO L93 Difference]: Finished difference Result 202 states and 516 transitions. [2020-10-22 02:19:18,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 02:19:18,560 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-10-22 02:19:18,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:19:18,563 INFO L225 Difference]: With dead ends: 202 [2020-10-22 02:19:18,563 INFO L226 Difference]: Without dead ends: 130 [2020-10-22 02:19:18,564 INFO L677 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 [2020-10-22 02:19:18,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-10-22 02:19:18,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2020-10-22 02:19:18,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-10-22 02:19:18,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 322 transitions. [2020-10-22 02:19:18,592 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 322 transitions. Word has length 9 [2020-10-22 02:19:18,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:19:18,592 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 322 transitions. [2020-10-22 02:19:18,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 02:19:18,592 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 322 transitions. [2020-10-22 02:19:18,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-22 02:19:18,596 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:19:18,597 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:19:18,597 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 02:19:18,597 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:19:18,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:19:18,598 INFO L82 PathProgramCache]: Analyzing trace with hash 19828348, now seen corresponding path program 1 times [2020-10-22 02:19:18,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:19:18,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31383518] [2020-10-22 02:19:18,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:19:18,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:19:18,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:19:18,691 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31383518] [2020-10-22 02:19:18,691 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:19:18,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:19:18,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [334228747] [2020-10-22 02:19:18,692 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:19:18,693 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:19:18,695 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 18 transitions. [2020-10-22 02:19:18,695 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:19:18,733 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:19:18,772 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:19:18,804 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [1561#(not (= 3 ~__unbuffered_cnt~0))] [2020-10-22 02:19:18,805 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 02:19:18,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:19:18,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 02:19:18,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:19:18,806 INFO L87 Difference]: Start difference. First operand 130 states and 322 transitions. Second operand 5 states. [2020-10-22 02:19:18,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:19:18,875 INFO L93 Difference]: Finished difference Result 121 states and 272 transitions. [2020-10-22 02:19:18,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-22 02:19:18,876 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-22 02:19:18,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:19:18,877 INFO L225 Difference]: With dead ends: 121 [2020-10-22 02:19:18,877 INFO L226 Difference]: Without dead ends: 85 [2020-10-22 02:19:18,878 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-22 02:19:18,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-10-22 02:19:18,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-10-22 02:19:18,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-10-22 02:19:18,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 173 transitions. [2020-10-22 02:19:18,885 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 173 transitions. Word has length 10 [2020-10-22 02:19:18,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:19:18,886 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 173 transitions. [2020-10-22 02:19:18,886 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 02:19:18,886 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 173 transitions. [2020-10-22 02:19:18,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-22 02:19:18,887 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:19:18,887 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:19:18,887 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 02:19:18,888 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:19:18,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:19:18,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1088953398, now seen corresponding path program 1 times [2020-10-22 02:19:18,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:19:18,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775853930] [2020-10-22 02:19:18,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:19:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:19:19,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:19:19,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775853930] [2020-10-22 02:19:19,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:19:19,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-22 02:19:19,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [775287728] [2020-10-22 02:19:19,009 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:19:19,010 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:19:19,012 INFO L252 McrAutomatonBuilder]: Finished intersection with 16 states and 17 transitions. [2020-10-22 02:19:19,013 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:19:19,037 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:19:19,037 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-22 02:19:19,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:19:19,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-22 02:19:19,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-22 02:19:19,038 INFO L87 Difference]: Start difference. First operand 85 states and 173 transitions. Second operand 6 states. [2020-10-22 02:19:19,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:19:19,095 INFO L93 Difference]: Finished difference Result 80 states and 161 transitions. [2020-10-22 02:19:19,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-22 02:19:19,095 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-10-22 02:19:19,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:19:19,096 INFO L225 Difference]: With dead ends: 80 [2020-10-22 02:19:19,097 INFO L226 Difference]: Without dead ends: 72 [2020-10-22 02:19:19,097 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-22 02:19:19,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-10-22 02:19:19,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-10-22 02:19:19,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-22 02:19:19,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 147 transitions. [2020-10-22 02:19:19,103 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 147 transitions. Word has length 13 [2020-10-22 02:19:19,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:19:19,103 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 147 transitions. [2020-10-22 02:19:19,103 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-22 02:19:19,103 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 147 transitions. [2020-10-22 02:19:19,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-22 02:19:19,105 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:19:19,105 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:19:19,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-22 02:19:19,105 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:19:19,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:19:19,106 INFO L82 PathProgramCache]: Analyzing trace with hash -1996779088, now seen corresponding path program 1 times [2020-10-22 02:19:19,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:19:19,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018709013] [2020-10-22 02:19:19,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:19:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:19:19,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:19:19,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018709013] [2020-10-22 02:19:19,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:19:19,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 02:19:19,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1454632132] [2020-10-22 02:19:19,148 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:19:19,150 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:19:19,155 INFO L252 McrAutomatonBuilder]: Finished intersection with 36 states and 56 transitions. [2020-10-22 02:19:19,156 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:19:19,374 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:19:19,374 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 02:19:19,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:19:19,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 02:19:19,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 02:19:19,375 INFO L87 Difference]: Start difference. First operand 72 states and 147 transitions. Second operand 4 states. [2020-10-22 02:19:19,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:19:19,390 INFO L93 Difference]: Finished difference Result 85 states and 168 transitions. [2020-10-22 02:19:19,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 02:19:19,390 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-22 02:19:19,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:19:19,391 INFO L225 Difference]: With dead ends: 85 [2020-10-22 02:19:19,391 INFO L226 Difference]: Without dead ends: 33 [2020-10-22 02:19:19,391 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:19:19,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-22 02:19:19,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-10-22 02:19:19,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-22 02:19:19,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 51 transitions. [2020-10-22 02:19:19,394 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 51 transitions. Word has length 16 [2020-10-22 02:19:19,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:19:19,394 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 51 transitions. [2020-10-22 02:19:19,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 02:19:19,395 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2020-10-22 02:19:19,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-22 02:19:19,395 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:19:19,396 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:19:19,396 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 02:19:19,396 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:19:19,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:19:19,396 INFO L82 PathProgramCache]: Analyzing trace with hash 242478162, now seen corresponding path program 2 times [2020-10-22 02:19:19,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:19:19,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447217024] [2020-10-22 02:19:19,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:19:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:19:19,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:19:19,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447217024] [2020-10-22 02:19:19,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:19:19,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 02:19:19,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2141434676] [2020-10-22 02:19:19,439 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:19:19,441 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:19:19,444 INFO L252 McrAutomatonBuilder]: Finished intersection with 21 states and 24 transitions. [2020-10-22 02:19:19,445 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:19:19,474 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:19:19,474 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 02:19:19,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:19:19,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 02:19:19,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 02:19:19,475 INFO L87 Difference]: Start difference. First operand 33 states and 51 transitions. Second operand 4 states. [2020-10-22 02:19:19,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:19:19,490 INFO L93 Difference]: Finished difference Result 32 states and 50 transitions. [2020-10-22 02:19:19,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 02:19:19,490 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-22 02:19:19,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:19:19,491 INFO L225 Difference]: With dead ends: 32 [2020-10-22 02:19:19,491 INFO L226 Difference]: Without dead ends: 0 [2020-10-22 02:19:19,491 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:19:19,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-22 02:19:19,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-22 02:19:19,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-22 02:19:19,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-22 02:19:19,492 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2020-10-22 02:19:19,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:19:19,493 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-22 02:19:19,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 02:19:19,493 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-22 02:19:19,493 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-22 02:19:19,493 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-22 02:19:19,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 02:19:19 BasicIcfg [2020-10-22 02:19:19,497 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 02:19:19,499 INFO L168 Benchmark]: Toolchain (without parser) took 5516.93 ms. Allocated memory was 139.5 MB in the beginning and 249.0 MB in the end (delta: 109.6 MB). Free memory was 100.8 MB in the beginning and 99.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 111.3 MB. Max. memory is 7.1 GB. [2020-10-22 02:19:19,500 INFO L168 Benchmark]: CDTParser took 3.32 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-22 02:19:19,501 INFO L168 Benchmark]: CACSL2BoogieTranslator took 835.76 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 100.0 MB in the beginning and 156.8 MB in the end (delta: -56.8 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2020-10-22 02:19:19,502 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.98 ms. Allocated memory is still 202.9 MB. Free memory was 156.8 MB in the beginning and 154.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-22 02:19:19,502 INFO L168 Benchmark]: Boogie Preprocessor took 31.71 ms. Allocated memory is still 202.9 MB. Free memory was 154.7 MB in the beginning and 153.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-10-22 02:19:19,503 INFO L168 Benchmark]: RCFGBuilder took 535.02 ms. Allocated memory is still 202.9 MB. Free memory was 152.7 MB in the beginning and 129.3 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2020-10-22 02:19:19,504 INFO L168 Benchmark]: TraceAbstraction took 4051.28 ms. Allocated memory was 202.9 MB in the beginning and 249.0 MB in the end (delta: 46.1 MB). Free memory was 128.6 MB in the beginning and 99.1 MB in the end (delta: 29.5 MB). Peak memory consumption was 75.7 MB. Max. memory is 7.1 GB. [2020-10-22 02:19:19,508 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.32 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 835.76 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 100.0 MB in the beginning and 156.8 MB in the end (delta: -56.8 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 53.98 ms. Allocated memory is still 202.9 MB. Free memory was 156.8 MB in the beginning and 154.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.71 ms. Allocated memory is still 202.9 MB. Free memory was 154.7 MB in the beginning and 153.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 535.02 ms. Allocated memory is still 202.9 MB. Free memory was 152.7 MB in the beginning and 129.3 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4051.28 ms. Allocated memory was 202.9 MB in the beginning and 249.0 MB in the end (delta: 46.1 MB). Free memory was 128.6 MB in the beginning and 99.1 MB in the end (delta: 29.5 MB). Peak memory consumption was 75.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 761 VarBasedMoverChecksPositive, 26 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 46 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.1s, 85 PlacesBefore, 30 PlacesAfterwards, 78 TransitionsBefore, 21 TransitionsAfterwards, 1348 CoEnabledTransitionPairs, 7 FixpointIterations, 18 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 74 TotalNumberOfCompositions, 2810 MoverChecksTotal - PositiveResult [Line: 17]: 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, 76 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.1s, HoareTripleCheckerStatistics: 107 SDtfs, 100 SDslu, 145 SDs, 0 SdLazy, 81 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=226occurred 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, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 2280 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...