/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe030_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 02:45:30,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 02:45:30,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 02:45:30,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 02:45:30,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 02:45:30,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 02:45:30,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 02:45:30,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 02:45:30,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 02:45:30,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 02:45:30,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 02:45:30,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 02:45:30,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 02:45:30,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 02:45:30,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 02:45:30,425 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 02:45:30,426 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 02:45:30,427 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 02:45:30,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 02:45:30,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 02:45:30,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 02:45:30,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 02:45:30,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 02:45:30,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 02:45:30,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 02:45:30,445 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 02:45:30,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 02:45:30,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 02:45:30,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 02:45:30,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 02:45:30,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 02:45:30,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 02:45:30,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 02:45:30,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 02:45:30,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 02:45:30,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 02:45:30,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 02:45:30,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 02:45:30,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 02:45:30,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 02:45:30,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 02:45:30,462 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf [2020-04-18 02:45:30,496 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 02:45:30,496 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 02:45:30,501 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 02:45:30,501 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 02:45:30,501 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 02:45:30,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 02:45:30,501 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 02:45:30,502 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 02:45:30,502 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 02:45:30,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 02:45:30,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 02:45:30,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 02:45:30,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 02:45:30,503 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 02:45:30,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 02:45:30,504 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 02:45:30,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 02:45:30,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 02:45:30,504 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 02:45:30,504 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 02:45:30,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 02:45:30,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 02:45:30,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 02:45:30,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 02:45:30,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 02:45:30,505 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-04-18 02:45:30,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 02:45:30,506 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-04-18 02:45:30,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 02:45:30,506 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 02:45:30,787 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 02:45:30,800 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 02:45:30,803 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 02:45:30,804 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 02:45:30,805 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 02:45:30,806 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe030_tso.opt.i [2020-04-18 02:45:30,879 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f12a8c8a/969efed813484d69a11e857678de20bb/FLAG890cac306 [2020-04-18 02:45:31,395 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 02:45:31,395 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe030_tso.opt.i [2020-04-18 02:45:31,409 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f12a8c8a/969efed813484d69a11e857678de20bb/FLAG890cac306 [2020-04-18 02:45:31,748 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f12a8c8a/969efed813484d69a11e857678de20bb [2020-04-18 02:45:31,757 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 02:45:31,773 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 02:45:31,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 02:45:31,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 02:45:31,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 02:45:31,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 02:45:31" (1/1) ... [2020-04-18 02:45:31,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10143938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:45:31, skipping insertion in model container [2020-04-18 02:45:31,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 02:45:31" (1/1) ... [2020-04-18 02:45:31,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 02:45:31,837 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 02:45:32,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 02:45:32,327 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 02:45:32,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 02:45:32,470 INFO L208 MainTranslator]: Completed translation [2020-04-18 02:45:32,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:45:32 WrapperNode [2020-04-18 02:45:32,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 02:45:32,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 02:45:32,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 02:45:32,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 02:45:32,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:45:32" (1/1) ... [2020-04-18 02:45:32,497 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:45:32" (1/1) ... [2020-04-18 02:45:32,521 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 02:45:32,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 02:45:32,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 02:45:32,521 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 02:45:32,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:45:32" (1/1) ... [2020-04-18 02:45:32,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:45:32" (1/1) ... [2020-04-18 02:45:32,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:45:32" (1/1) ... [2020-04-18 02:45:32,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:45:32" (1/1) ... [2020-04-18 02:45:32,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:45:32" (1/1) ... [2020-04-18 02:45:32,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:45:32" (1/1) ... [2020-04-18 02:45:32,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:45:32" (1/1) ... [2020-04-18 02:45:32,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 02:45:32,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 02:45:32,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 02:45:32,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 02:45:32,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:45:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 02:45:32,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 02:45:32,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-04-18 02:45:32,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 02:45:32,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 02:45:32,623 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-04-18 02:45:32,623 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-04-18 02:45:32,624 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-04-18 02:45:32,624 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-04-18 02:45:32,624 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-04-18 02:45:32,624 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-04-18 02:45:32,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-04-18 02:45:32,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 02:45:32,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 02:45:32,626 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 02:45:32,982 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 02:45:32,982 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-04-18 02:45:32,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 02:45:32 BoogieIcfgContainer [2020-04-18 02:45:32,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 02:45:32,988 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 02:45:32,988 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 02:45:32,991 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 02:45:32,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 02:45:31" (1/3) ... [2020-04-18 02:45:32,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58b62766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 02:45:32, skipping insertion in model container [2020-04-18 02:45:32,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:45:32" (2/3) ... [2020-04-18 02:45:32,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58b62766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 02:45:32, skipping insertion in model container [2020-04-18 02:45:32,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 02:45:32" (3/3) ... [2020-04-18 02:45:32,995 INFO L109 eAbstractionObserver]: Analyzing ICFG safe030_tso.opt.i [2020-04-18 02:45:33,002 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 02:45:33,003 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 02:45:33,008 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-04-18 02:45:33,009 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 02:45:33,036 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:45:33,037 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:45:33,037 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:45:33,037 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:45:33,038 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:45:33,038 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:45:33,039 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:45:33,039 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:45:33,039 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:45:33,039 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:45:33,040 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:45:33,040 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:45:33,040 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:45:33,040 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:45:33,041 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:45:33,041 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:45:33,041 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:45:33,041 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:45:33,045 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:45:33,046 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:45:33,046 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:45:33,046 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:45:33,053 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:45:33,054 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:45:33,054 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:45:33,054 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:45:33,062 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:45:33,062 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:45:33,062 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:45:33,063 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:45:33,079 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-04-18 02:45:33,101 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 02:45:33,102 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 02:45:33,102 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 02:45:33,102 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 02:45:33,102 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 02:45:33,102 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 02:45:33,103 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 02:45:33,103 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 02:45:33,117 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 68 transitions, 151 flow [2020-04-18 02:45:33,119 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 76 places, 68 transitions, 151 flow [2020-04-18 02:45:33,175 INFO L129 PetriNetUnfolder]: 2/65 cut-off events. [2020-04-18 02:45:33,176 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-04-18 02:45:33,181 INFO L80 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 65 events. 2/65 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 52 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-04-18 02:45:33,183 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 76 places, 68 transitions, 151 flow [2020-04-18 02:45:33,202 INFO L129 PetriNetUnfolder]: 2/65 cut-off events. [2020-04-18 02:45:33,202 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-04-18 02:45:33,203 INFO L80 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 65 events. 2/65 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 52 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-04-18 02:45:33,205 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2020-04-18 02:45:33,206 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-04-18 02:45:34,450 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2202 [2020-04-18 02:45:34,451 INFO L214 etLargeBlockEncoding]: Total number of compositions: 55 [2020-04-18 02:45:34,455 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow [2020-04-18 02:45:34,498 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states. [2020-04-18 02:45:34,501 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states. [2020-04-18 02:45:34,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-04-18 02:45:34,509 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:45:34,509 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:45:34,510 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:45:34,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:45:34,516 INFO L82 PathProgramCache]: Analyzing trace with hash -346907981, now seen corresponding path program 1 times [2020-04-18 02:45:34,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:45:34,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611425108] [2020-04-18 02:45:34,526 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:45:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:45:34,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:45:34,687 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611425108] [2020-04-18 02:45:34,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:45:34,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 02:45:34,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938249522] [2020-04-18 02:45:34,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-18 02:45:34,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:45:34,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 02:45:34,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 02:45:34,708 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states. [2020-04-18 02:45:34,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:45:34,742 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions. [2020-04-18 02:45:34,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-18 02:45:34,744 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-04-18 02:45:34,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:45:34,767 INFO L225 Difference]: With dead ends: 362 [2020-04-18 02:45:34,768 INFO L226 Difference]: Without dead ends: 298 [2020-04-18 02:45:34,770 INFO L678 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 [2020-04-18 02:45:34,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-04-18 02:45:34,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2020-04-18 02:45:34,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-04-18 02:45:34,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions. [2020-04-18 02:45:34,875 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8 [2020-04-18 02:45:34,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:45:34,876 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions. [2020-04-18 02:45:34,876 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-18 02:45:34,876 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-04-18 02:45:34,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-04-18 02:45:34,878 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:45:34,878 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:45:34,878 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:45:34,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:45:34,879 INFO L82 PathProgramCache]: Analyzing trace with hash 2130750683, now seen corresponding path program 1 times [2020-04-18 02:45:34,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:45:34,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485610099] [2020-04-18 02:45:34,879 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:45:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:45:35,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:45:35,016 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485610099] [2020-04-18 02:45:35,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:45:35,016 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 02:45:35,017 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650762127] [2020-04-18 02:45:35,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 02:45:35,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:45:35,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 02:45:35,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 02:45:35,020 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 3 states. [2020-04-18 02:45:35,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:45:35,045 INFO L93 Difference]: Finished difference Result 217 states and 540 transitions. [2020-04-18 02:45:35,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 02:45:35,047 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-04-18 02:45:35,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:45:35,050 INFO L225 Difference]: With dead ends: 217 [2020-04-18 02:45:35,050 INFO L226 Difference]: Without dead ends: 217 [2020-04-18 02:45:35,051 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 02:45:35,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-04-18 02:45:35,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2020-04-18 02:45:35,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-04-18 02:45:35,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 540 transitions. [2020-04-18 02:45:35,068 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 540 transitions. Word has length 9 [2020-04-18 02:45:35,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:45:35,068 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 540 transitions. [2020-04-18 02:45:35,069 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 02:45:35,069 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 540 transitions. [2020-04-18 02:45:35,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-04-18 02:45:35,070 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:45:35,070 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:45:35,071 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:45:35,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:45:35,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1087116204, now seen corresponding path program 1 times [2020-04-18 02:45:35,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:45:35,072 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516820177] [2020-04-18 02:45:35,072 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:45:35,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:45:35,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:45:35,175 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516820177] [2020-04-18 02:45:35,175 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:45:35,175 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 02:45:35,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286054653] [2020-04-18 02:45:35,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 02:45:35,176 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:45:35,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 02:45:35,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-04-18 02:45:35,177 INFO L87 Difference]: Start difference. First operand 217 states and 540 transitions. Second operand 4 states. [2020-04-18 02:45:35,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:45:35,213 INFO L93 Difference]: Finished difference Result 136 states and 297 transitions. [2020-04-18 02:45:35,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-18 02:45:35,213 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-04-18 02:45:35,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:45:35,215 INFO L225 Difference]: With dead ends: 136 [2020-04-18 02:45:35,215 INFO L226 Difference]: Without dead ends: 136 [2020-04-18 02:45:35,215 INFO L678 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 [2020-04-18 02:45:35,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-04-18 02:45:35,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2020-04-18 02:45:35,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-04-18 02:45:35,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 297 transitions. [2020-04-18 02:45:35,223 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 297 transitions. Word has length 12 [2020-04-18 02:45:35,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:45:35,223 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 297 transitions. [2020-04-18 02:45:35,223 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 02:45:35,224 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 297 transitions. [2020-04-18 02:45:35,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-04-18 02:45:35,225 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:45:35,225 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:45:35,225 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:45:35,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:45:35,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1427017344, now seen corresponding path program 1 times [2020-04-18 02:45:35,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:45:35,226 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620238579] [2020-04-18 02:45:35,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:45:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:45:35,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:45:35,316 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620238579] [2020-04-18 02:45:35,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:45:35,317 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-04-18 02:45:35,320 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761964906] [2020-04-18 02:45:35,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-18 02:45:35,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:45:35,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-18 02:45:35,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-04-18 02:45:35,322 INFO L87 Difference]: Start difference. First operand 136 states and 297 transitions. Second operand 5 states. [2020-04-18 02:45:35,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:45:35,356 INFO L93 Difference]: Finished difference Result 109 states and 243 transitions. [2020-04-18 02:45:35,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-18 02:45:35,357 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-04-18 02:45:35,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:45:35,358 INFO L225 Difference]: With dead ends: 109 [2020-04-18 02:45:35,358 INFO L226 Difference]: Without dead ends: 109 [2020-04-18 02:45:35,358 INFO L678 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 [2020-04-18 02:45:35,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-04-18 02:45:35,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2020-04-18 02:45:35,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-04-18 02:45:35,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 243 transitions. [2020-04-18 02:45:35,364 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 243 transitions. Word has length 15 [2020-04-18 02:45:35,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:45:35,364 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 243 transitions. [2020-04-18 02:45:35,364 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-18 02:45:35,364 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 243 transitions. [2020-04-18 02:45:35,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-04-18 02:45:35,366 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:45:35,366 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:45:35,366 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:45:35,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:45:35,367 INFO L82 PathProgramCache]: Analyzing trace with hash 68730238, now seen corresponding path program 1 times [2020-04-18 02:45:35,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:45:35,367 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286466863] [2020-04-18 02:45:35,367 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:45:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:45:35,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:45:35,466 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286466863] [2020-04-18 02:45:35,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:45:35,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 02:45:35,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622803293] [2020-04-18 02:45:35,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 02:45:35,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:45:35,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 02:45:35,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 02:45:35,468 INFO L87 Difference]: Start difference. First operand 109 states and 243 transitions. Second operand 4 states. [2020-04-18 02:45:35,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:45:35,487 INFO L93 Difference]: Finished difference Result 135 states and 291 transitions. [2020-04-18 02:45:35,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-18 02:45:35,488 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-04-18 02:45:35,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:45:35,488 INFO L225 Difference]: With dead ends: 135 [2020-04-18 02:45:35,489 INFO L226 Difference]: Without dead ends: 55 [2020-04-18 02:45:35,489 INFO L678 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 [2020-04-18 02:45:35,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-04-18 02:45:35,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-04-18 02:45:35,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-04-18 02:45:35,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 99 transitions. [2020-04-18 02:45:35,492 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 99 transitions. Word has length 18 [2020-04-18 02:45:35,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:45:35,493 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 99 transitions. [2020-04-18 02:45:35,493 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 02:45:35,493 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2020-04-18 02:45:35,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-04-18 02:45:35,494 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:45:35,494 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:45:35,494 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:45:35,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:45:35,495 INFO L82 PathProgramCache]: Analyzing trace with hash 909729134, now seen corresponding path program 2 times [2020-04-18 02:45:35,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:45:35,495 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482082324] [2020-04-18 02:45:35,495 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:45:35,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:45:35,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:45:35,566 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482082324] [2020-04-18 02:45:35,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:45:35,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 02:45:35,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893182619] [2020-04-18 02:45:35,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 02:45:35,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:45:35,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 02:45:35,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 02:45:35,568 INFO L87 Difference]: Start difference. First operand 55 states and 99 transitions. Second operand 4 states. [2020-04-18 02:45:35,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:45:35,590 INFO L93 Difference]: Finished difference Result 75 states and 132 transitions. [2020-04-18 02:45:35,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-18 02:45:35,591 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-04-18 02:45:35,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:45:35,592 INFO L225 Difference]: With dead ends: 75 [2020-04-18 02:45:35,592 INFO L226 Difference]: Without dead ends: 37 [2020-04-18 02:45:35,592 INFO L678 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 [2020-04-18 02:45:35,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-04-18 02:45:35,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-04-18 02:45:35,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-04-18 02:45:35,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 57 transitions. [2020-04-18 02:45:35,595 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 57 transitions. Word has length 18 [2020-04-18 02:45:35,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:45:35,595 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 57 transitions. [2020-04-18 02:45:35,595 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 02:45:35,595 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2020-04-18 02:45:35,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-04-18 02:45:35,596 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:45:35,596 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:45:35,596 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:45:35,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:45:35,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1816005352, now seen corresponding path program 3 times [2020-04-18 02:45:35,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:45:35,597 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173156392] [2020-04-18 02:45:35,597 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:45:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:45:35,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:45:35,643 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173156392] [2020-04-18 02:45:35,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:45:35,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 02:45:35,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141391576] [2020-04-18 02:45:35,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 02:45:35,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:45:35,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 02:45:35,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 02:45:35,645 INFO L87 Difference]: Start difference. First operand 37 states and 57 transitions. Second operand 4 states. [2020-04-18 02:45:35,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:45:35,660 INFO L93 Difference]: Finished difference Result 36 states and 56 transitions. [2020-04-18 02:45:35,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-18 02:45:35,660 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-04-18 02:45:35,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:45:35,660 INFO L225 Difference]: With dead ends: 36 [2020-04-18 02:45:35,661 INFO L226 Difference]: Without dead ends: 0 [2020-04-18 02:45:35,661 INFO L678 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 [2020-04-18 02:45:35,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-04-18 02:45:35,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-04-18 02:45:35,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-04-18 02:45:35,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-04-18 02:45:35,662 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-04-18 02:45:35,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:45:35,662 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-04-18 02:45:35,663 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 02:45:35,663 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-04-18 02:45:35,663 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 02:45:35,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 02:45:35 BasicIcfg [2020-04-18 02:45:35,667 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 02:45:35,669 INFO L168 Benchmark]: Toolchain (without parser) took 3910.23 ms. Allocated memory was 147.8 MB in the beginning and 243.3 MB in the end (delta: 95.4 MB). Free memory was 104.1 MB in the beginning and 126.1 MB in the end (delta: -22.0 MB). Peak memory consumption was 73.4 MB. Max. memory is 7.1 GB. [2020-04-18 02:45:35,670 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 147.8 MB. Free memory was 124.2 MB in the beginning and 124.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-04-18 02:45:35,671 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.94 ms. Allocated memory was 147.8 MB in the beginning and 204.5 MB in the end (delta: 56.6 MB). Free memory was 102.0 MB in the beginning and 161.5 MB in the end (delta: -59.5 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2020-04-18 02:45:35,672 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.11 ms. Allocated memory is still 204.5 MB. Free memory was 160.9 MB in the beginning and 159.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-04-18 02:45:35,673 INFO L168 Benchmark]: Boogie Preprocessor took 26.14 ms. Allocated memory is still 204.5 MB. Free memory was 159.0 MB in the beginning and 157.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-04-18 02:45:35,674 INFO L168 Benchmark]: RCFGBuilder took 439.28 ms. Allocated memory is still 204.5 MB. Free memory was 157.7 MB in the beginning and 136.1 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2020-04-18 02:45:35,675 INFO L168 Benchmark]: TraceAbstraction took 2678.95 ms. Allocated memory was 204.5 MB in the beginning and 243.3 MB in the end (delta: 38.8 MB). Free memory was 135.5 MB in the beginning and 126.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 48.2 MB. Max. memory is 7.1 GB. [2020-04-18 02:45:35,679 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 147.8 MB. Free memory was 124.2 MB in the beginning and 124.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 696.94 ms. Allocated memory was 147.8 MB in the beginning and 204.5 MB in the end (delta: 56.6 MB). Free memory was 102.0 MB in the beginning and 161.5 MB in the end (delta: -59.5 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 49.11 ms. Allocated memory is still 204.5 MB. Free memory was 160.9 MB in the beginning and 159.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.14 ms. Allocated memory is still 204.5 MB. Free memory was 159.0 MB in the beginning and 157.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 439.28 ms. Allocated memory is still 204.5 MB. Free memory was 157.7 MB in the beginning and 136.1 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2678.95 ms. Allocated memory was 204.5 MB in the beginning and 243.3 MB in the end (delta: 38.8 MB). Free memory was 135.5 MB in the beginning and 126.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 48.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.3s, 76 ProgramPointsBefore, 32 ProgramPointsAfterwards, 68 TransitionsBefore, 23 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 6 FixpointIterations, 12 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 655 VarBasedMoverChecksPositive, 20 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 2202 CheckedPairsTotal, 55 TotalNumberOfCompositions - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.5s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.3s, HoareTripleCheckerStatistics: 130 SDtfs, 72 SDslu, 159 SDs, 0 SdLazy, 49 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s 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, 2522 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...