/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe037_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-05 23:42:52,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 23:42:52,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 23:42:52,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 23:42:52,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 23:42:52,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 23:42:52,421 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 23:42:52,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 23:42:52,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 23:42:52,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 23:42:52,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 23:42:52,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 23:42:52,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 23:42:52,436 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 23:42:52,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 23:42:52,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 23:42:52,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 23:42:52,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 23:42:52,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 23:42:52,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 23:42:52,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 23:42:52,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 23:42:52,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 23:42:52,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 23:42:52,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-05 23:42:52,470 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-05 23:42:52,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-05 23:42:52,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-05 23:42:52,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-05 23:42:52,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-05 23:42:52,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 23:42:52,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 23:42:52,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 23:42:52,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 23:42:52,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 23:42:52,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 23:42:52,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 23:42:52,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 23:42:52,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 23:42:52,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 23:42:52,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 23:42:52,488 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-05 23:42:52,510 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 23:42:52,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 23:42:52,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 23:42:52,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 23:42:52,512 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 23:42:52,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 23:42:52,512 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 23:42:52,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 23:42:52,513 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 23:42:52,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 23:42:52,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 23:42:52,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 23:42:52,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 23:42:52,514 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 23:42:52,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 23:42:52,514 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 23:42:52,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 23:42:52,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 23:42:52,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 23:42:52,515 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 23:42:52,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 23:42:52,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:42:52,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 23:42:52,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-05 23:42:52,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 23:42:52,516 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 23:42:52,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 23:42:52,517 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-05 23:42:52,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 23:42:52,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 23:42:52,835 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 23:42:52,838 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 23:42:52,840 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 23:42:52,840 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 23:42:52,840 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe037_pso.opt.i [2020-10-05 23:42:52,922 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb2b9a384/96f1e1c2d3f944c4ae7efbfafa1c1fbf/FLAG9631261d6 [2020-10-05 23:42:53,521 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 23:42:53,523 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe037_pso.opt.i [2020-10-05 23:42:53,543 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb2b9a384/96f1e1c2d3f944c4ae7efbfafa1c1fbf/FLAG9631261d6 [2020-10-05 23:42:53,841 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb2b9a384/96f1e1c2d3f944c4ae7efbfafa1c1fbf [2020-10-05 23:42:53,850 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 23:42:53,852 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 23:42:53,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 23:42:53,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 23:42:53,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 23:42:53,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:42:53" (1/1) ... [2020-10-05 23:42:53,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1446c79d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:53, skipping insertion in model container [2020-10-05 23:42:53,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:42:53" (1/1) ... [2020-10-05 23:42:53,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 23:42:53,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 23:42:54,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:42:54,349 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 23:42:54,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:42:54,506 INFO L208 MainTranslator]: Completed translation [2020-10-05 23:42:54,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:54 WrapperNode [2020-10-05 23:42:54,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 23:42:54,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 23:42:54,509 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 23:42:54,509 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 23:42:54,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:54" (1/1) ... [2020-10-05 23:42:54,558 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:54" (1/1) ... [2020-10-05 23:42:54,588 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 23:42:54,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 23:42:54,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 23:42:54,590 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 23:42:54,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:54" (1/1) ... [2020-10-05 23:42:54,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:54" (1/1) ... [2020-10-05 23:42:54,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:54" (1/1) ... [2020-10-05 23:42:54,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:54" (1/1) ... [2020-10-05 23:42:54,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:54" (1/1) ... [2020-10-05 23:42:54,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:54" (1/1) ... [2020-10-05 23:42:54,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:54" (1/1) ... [2020-10-05 23:42:54,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 23:42:54,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 23:42:54,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 23:42:54,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 23:42:54,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:42:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 23:42:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-05 23:42:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 23:42:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 23:42:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-05 23:42:54,738 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-05 23:42:54,739 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-05 23:42:54,739 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-05 23:42:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-05 23:42:54,740 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-05 23:42:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-05 23:42:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 23:42:54,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 23:42:54,743 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-05 23:42:55,142 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 23:42:55,142 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-05 23:42:55,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:42:55 BoogieIcfgContainer [2020-10-05 23:42:55,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 23:42:55,146 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 23:42:55,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 23:42:55,150 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 23:42:55,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 11:42:53" (1/3) ... [2020-10-05 23:42:55,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519c4b99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:42:55, skipping insertion in model container [2020-10-05 23:42:55,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:54" (2/3) ... [2020-10-05 23:42:55,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519c4b99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:42:55, skipping insertion in model container [2020-10-05 23:42:55,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:42:55" (3/3) ... [2020-10-05 23:42:55,154 INFO L109 eAbstractionObserver]: Analyzing ICFG safe037_pso.opt.i [2020-10-05 23:42:55,165 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 23:42:55,165 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-05 23:42:55,173 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-05 23:42:55,174 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 23:42:55,204 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:55,204 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:55,204 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:55,206 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:55,207 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:55,207 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:55,208 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:55,209 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:55,209 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:55,209 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:55,210 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:55,210 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:55,211 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:55,211 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:55,211 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:55,211 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:55,213 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:55,213 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:55,218 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:55,219 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:55,219 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:55,221 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:55,228 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:55,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:55,229 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:55,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:55,232 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:55,232 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:55,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:55,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:55,248 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-05 23:42:55,268 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 23:42:55,268 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 23:42:55,268 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-05 23:42:55,268 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 23:42:55,269 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 23:42:55,269 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 23:42:55,269 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 23:42:55,269 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 23:42:55,283 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 71 transitions, 157 flow [2020-10-05 23:42:55,285 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-10-05 23:42:55,337 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-10-05 23:42:55,337 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:42:55,342 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 50 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-10-05 23:42:55,344 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-10-05 23:42:55,365 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-10-05 23:42:55,366 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:42:55,367 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 50 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-10-05 23:42:55,369 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2020-10-05 23:42:55,370 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-05 23:42:56,605 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-10-05 23:42:56,703 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2315 [2020-10-05 23:42:56,703 INFO L214 etLargeBlockEncoding]: Total number of compositions: 57 [2020-10-05 23:42:56,707 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow [2020-10-05 23:42:56,738 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states. [2020-10-05 23:42:56,741 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states. [2020-10-05 23:42:56,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-05 23:42:56,750 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:42:56,751 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:42:56,751 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:42:56,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:42:56,757 INFO L82 PathProgramCache]: Analyzing trace with hash 385809968, now seen corresponding path program 1 times [2020-10-05 23:42:56,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:42:56,766 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317691629] [2020-10-05 23:42:56,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:42:56,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:42:56,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:42:56,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317691629] [2020-10-05 23:42:56,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:42:56,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:42:56,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950375019] [2020-10-05 23:42:56,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-05 23:42:56,958 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:42:56,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-05 23:42:56,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-05 23:42:56,977 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states. [2020-10-05 23:42:57,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:42:57,012 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions. [2020-10-05 23:42:57,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-05 23:42:57,014 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-10-05 23:42:57,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:42:57,033 INFO L225 Difference]: With dead ends: 362 [2020-10-05 23:42:57,034 INFO L226 Difference]: Without dead ends: 298 [2020-10-05 23:42:57,037 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-05 23:42:57,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-10-05 23:42:57,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2020-10-05 23:42:57,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-05 23:42:57,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions. [2020-10-05 23:42:57,116 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8 [2020-10-05 23:42:57,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:42:57,118 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions. [2020-10-05 23:42:57,118 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-05 23:42:57,118 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-10-05 23:42:57,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-05 23:42:57,120 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:42:57,120 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:42:57,120 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 23:42:57,120 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:42:57,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:42:57,121 INFO L82 PathProgramCache]: Analyzing trace with hash -924796273, now seen corresponding path program 1 times [2020-10-05 23:42:57,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:42:57,122 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024477833] [2020-10-05 23:42:57,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:42:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:42:57,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:42:57,264 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024477833] [2020-10-05 23:42:57,265 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:42:57,265 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:42:57,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811224068] [2020-10-05 23:42:57,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:42:57,268 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:42:57,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:42:57,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:42:57,269 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 3 states. [2020-10-05 23:42:57,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:42:57,296 INFO L93 Difference]: Finished difference Result 217 states and 540 transitions. [2020-10-05 23:42:57,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:42:57,297 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-05 23:42:57,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:42:57,300 INFO L225 Difference]: With dead ends: 217 [2020-10-05 23:42:57,300 INFO L226 Difference]: Without dead ends: 217 [2020-10-05 23:42:57,301 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:42:57,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-10-05 23:42:57,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2020-10-05 23:42:57,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-10-05 23:42:57,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 540 transitions. [2020-10-05 23:42:57,319 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 540 transitions. Word has length 9 [2020-10-05 23:42:57,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:42:57,320 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 540 transitions. [2020-10-05 23:42:57,320 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:42:57,320 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 540 transitions. [2020-10-05 23:42:57,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-05 23:42:57,322 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:42:57,322 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:42:57,322 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 23:42:57,322 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:42:57,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:42:57,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1123394358, now seen corresponding path program 1 times [2020-10-05 23:42:57,323 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:42:57,323 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067464304] [2020-10-05 23:42:57,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:42:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:42:57,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:42:57,411 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067464304] [2020-10-05 23:42:57,412 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:42:57,412 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:42:57,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636263786] [2020-10-05 23:42:57,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:42:57,413 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:42:57,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:42:57,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:42:57,413 INFO L87 Difference]: Start difference. First operand 217 states and 540 transitions. Second operand 4 states. [2020-10-05 23:42:57,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:42:57,441 INFO L93 Difference]: Finished difference Result 136 states and 297 transitions. [2020-10-05 23:42:57,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 23:42:57,441 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-05 23:42:57,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:42:57,443 INFO L225 Difference]: With dead ends: 136 [2020-10-05 23:42:57,443 INFO L226 Difference]: Without dead ends: 136 [2020-10-05 23:42:57,444 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:42:57,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-10-05 23:42:57,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2020-10-05 23:42:57,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-10-05 23:42:57,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 297 transitions. [2020-10-05 23:42:57,452 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 297 transitions. Word has length 12 [2020-10-05 23:42:57,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:42:57,453 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 297 transitions. [2020-10-05 23:42:57,453 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:42:57,453 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 297 transitions. [2020-10-05 23:42:57,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-05 23:42:57,455 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:42:57,455 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:42:57,455 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-05 23:42:57,455 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:42:57,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:42:57,456 INFO L82 PathProgramCache]: Analyzing trace with hash -104701845, now seen corresponding path program 1 times [2020-10-05 23:42:57,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:42:57,456 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339818950] [2020-10-05 23:42:57,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:42:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:42:57,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:42:57,555 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339818950] [2020-10-05 23:42:57,555 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:42:57,556 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:42:57,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301908415] [2020-10-05 23:42:57,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:42:57,557 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:42:57,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:42:57,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:42:57,557 INFO L87 Difference]: Start difference. First operand 136 states and 297 transitions. Second operand 5 states. [2020-10-05 23:42:57,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:42:57,589 INFO L93 Difference]: Finished difference Result 109 states and 243 transitions. [2020-10-05 23:42:57,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:42:57,590 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-05 23:42:57,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:42:57,591 INFO L225 Difference]: With dead ends: 109 [2020-10-05 23:42:57,591 INFO L226 Difference]: Without dead ends: 109 [2020-10-05 23:42:57,592 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:42:57,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-10-05 23:42:57,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2020-10-05 23:42:57,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-10-05 23:42:57,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 243 transitions. [2020-10-05 23:42:57,598 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 243 transitions. Word has length 15 [2020-10-05 23:42:57,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:42:57,599 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 243 transitions. [2020-10-05 23:42:57,599 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:42:57,599 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 243 transitions. [2020-10-05 23:42:57,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-05 23:42:57,601 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:42:57,601 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:42:57,601 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-05 23:42:57,601 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:42:57,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:42:57,602 INFO L82 PathProgramCache]: Analyzing trace with hash 1786856379, now seen corresponding path program 1 times [2020-10-05 23:42:57,602 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:42:57,602 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967786889] [2020-10-05 23:42:57,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:42:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:42:57,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:42:57,682 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967786889] [2020-10-05 23:42:57,683 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:42:57,683 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:42:57,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560729536] [2020-10-05 23:42:57,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:42:57,685 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:42:57,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:42:57,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:42:57,686 INFO L87 Difference]: Start difference. First operand 109 states and 243 transitions. Second operand 5 states. [2020-10-05 23:42:57,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:42:57,729 INFO L93 Difference]: Finished difference Result 135 states and 291 transitions. [2020-10-05 23:42:57,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:42:57,730 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-05 23:42:57,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:42:57,731 INFO L225 Difference]: With dead ends: 135 [2020-10-05 23:42:57,731 INFO L226 Difference]: Without dead ends: 55 [2020-10-05 23:42:57,732 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:42:57,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-05 23:42:57,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-10-05 23:42:57,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-05 23:42:57,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 99 transitions. [2020-10-05 23:42:57,736 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 99 transitions. Word has length 18 [2020-10-05 23:42:57,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:42:57,736 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 99 transitions. [2020-10-05 23:42:57,736 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:42:57,736 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2020-10-05 23:42:57,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-05 23:42:57,737 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:42:57,737 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:42:57,737 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-05 23:42:57,738 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:42:57,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:42:57,738 INFO L82 PathProgramCache]: Analyzing trace with hash -442498565, now seen corresponding path program 2 times [2020-10-05 23:42:57,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:42:57,739 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408698219] [2020-10-05 23:42:57,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:42:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:42:57,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:42:57,828 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408698219] [2020-10-05 23:42:57,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:42:57,829 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:42:57,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671733062] [2020-10-05 23:42:57,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:42:57,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:42:57,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:42:57,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:42:57,831 INFO L87 Difference]: Start difference. First operand 55 states and 99 transitions. Second operand 5 states. [2020-10-05 23:42:57,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:42:57,884 INFO L93 Difference]: Finished difference Result 75 states and 132 transitions. [2020-10-05 23:42:57,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:42:57,885 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-05 23:42:57,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:42:57,886 INFO L225 Difference]: With dead ends: 75 [2020-10-05 23:42:57,886 INFO L226 Difference]: Without dead ends: 37 [2020-10-05 23:42:57,887 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:42:57,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-05 23:42:57,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-10-05 23:42:57,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-05 23:42:57,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 57 transitions. [2020-10-05 23:42:57,893 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 57 transitions. Word has length 18 [2020-10-05 23:42:57,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:42:57,894 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 57 transitions. [2020-10-05 23:42:57,894 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:42:57,894 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2020-10-05 23:42:57,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-05 23:42:57,895 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:42:57,901 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:42:57,901 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-05 23:42:57,902 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:42:57,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:42:57,902 INFO L82 PathProgramCache]: Analyzing trace with hash 21041593, now seen corresponding path program 3 times [2020-10-05 23:42:57,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:42:57,903 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624628718] [2020-10-05 23:42:57,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:42:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:42:58,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:42:58,017 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624628718] [2020-10-05 23:42:58,017 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:42:58,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:42:58,018 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447758355] [2020-10-05 23:42:58,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:42:58,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:42:58,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:42:58,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:42:58,019 INFO L87 Difference]: Start difference. First operand 37 states and 57 transitions. Second operand 5 states. [2020-10-05 23:42:58,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:42:58,049 INFO L93 Difference]: Finished difference Result 36 states and 56 transitions. [2020-10-05 23:42:58,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:42:58,049 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-05 23:42:58,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:42:58,050 INFO L225 Difference]: With dead ends: 36 [2020-10-05 23:42:58,050 INFO L226 Difference]: Without dead ends: 0 [2020-10-05 23:42:58,050 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:42:58,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-05 23:42:58,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-05 23:42:58,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-05 23:42:58,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-05 23:42:58,051 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-10-05 23:42:58,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:42:58,051 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-05 23:42:58,052 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:42:58,052 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-05 23:42:58,052 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-05 23:42:58,052 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-05 23:42:58,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 11:42:58 BasicIcfg [2020-10-05 23:42:58,057 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-05 23:42:58,059 INFO L168 Benchmark]: Toolchain (without parser) took 4207.11 ms. Allocated memory was 141.6 MB in the beginning and 246.4 MB in the end (delta: 104.9 MB). Free memory was 102.2 MB in the beginning and 116.1 MB in the end (delta: -13.9 MB). Peak memory consumption was 90.9 MB. Max. memory is 7.1 GB. [2020-10-05 23:42:58,060 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 141.6 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-05 23:42:58,061 INFO L168 Benchmark]: CACSL2BoogieTranslator took 653.83 ms. Allocated memory was 141.6 MB in the beginning and 203.9 MB in the end (delta: 62.4 MB). Free memory was 101.7 MB in the beginning and 160.1 MB in the end (delta: -58.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2020-10-05 23:42:58,062 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.01 ms. Allocated memory is still 203.9 MB. Free memory was 160.1 MB in the beginning and 157.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2020-10-05 23:42:58,063 INFO L168 Benchmark]: Boogie Preprocessor took 58.13 ms. Allocated memory is still 203.9 MB. Free memory was 157.7 MB in the beginning and 156.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-10-05 23:42:58,064 INFO L168 Benchmark]: RCFGBuilder took 496.48 ms. Allocated memory is still 203.9 MB. Free memory was 156.3 MB in the beginning and 133.7 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2020-10-05 23:42:58,065 INFO L168 Benchmark]: TraceAbstraction took 2910.49 ms. Allocated memory was 203.9 MB in the beginning and 246.4 MB in the end (delta: 42.5 MB). Free memory was 133.1 MB in the beginning and 116.1 MB in the end (delta: 17.0 MB). Peak memory consumption was 59.4 MB. Max. memory is 7.1 GB. [2020-10-05 23:42:58,069 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 141.6 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 653.83 ms. Allocated memory was 141.6 MB in the beginning and 203.9 MB in the end (delta: 62.4 MB). Free memory was 101.7 MB in the beginning and 160.1 MB in the end (delta: -58.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 81.01 ms. Allocated memory is still 203.9 MB. Free memory was 160.1 MB in the beginning and 157.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 58.13 ms. Allocated memory is still 203.9 MB. Free memory was 157.7 MB in the beginning and 156.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 496.48 ms. Allocated memory is still 203.9 MB. Free memory was 156.3 MB in the beginning and 133.7 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2910.49 ms. Allocated memory was 203.9 MB in the beginning and 246.4 MB in the end (delta: 42.5 MB). Free memory was 133.1 MB in the beginning and 116.1 MB in the end (delta: 17.0 MB). Peak memory consumption was 59.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.4s, 79 ProgramPointsBefore, 32 ProgramPointsAfterwards, 71 TransitionsBefore, 23 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 640 VarBasedMoverChecksPositive, 19 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 2315 CheckedPairsTotal, 57 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, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.7s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.4s, HoareTripleCheckerStatistics: 138 SDtfs, 89 SDslu, 207 SDs, 0 SdLazy, 58 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 3491 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...