/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/thin002_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 12:12:45,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 12:12:45,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 12:12:45,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 12:12:45,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 12:12:45,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 12:12:45,355 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 12:12:45,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 12:12:45,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 12:12:45,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 12:12:45,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 12:12:45,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 12:12:45,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 12:12:45,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 12:12:45,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 12:12:45,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 12:12:45,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 12:12:45,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 12:12:45,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 12:12:45,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 12:12:45,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 12:12:45,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 12:12:45,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 12:12:45,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 12:12:45,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 12:12:45,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 12:12:45,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 12:12:45,403 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 12:12:45,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 12:12:45,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 12:12:45,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 12:12:45,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 12:12:45,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 12:12:45,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 12:12:45,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 12:12:45,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 12:12:45,409 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-16 12:12:45,450 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 12:12:45,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 12:12:45,453 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 12:12:45,453 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 12:12:45,453 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 12:12:45,454 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 12:12:45,454 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 12:12:45,454 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 12:12:45,454 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 12:12:45,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 12:12:45,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 12:12:45,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 12:12:45,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 12:12:45,457 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 12:12:45,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 12:12:45,457 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 12:12:45,457 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 12:12:45,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 12:12:45,458 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 12:12:45,458 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 12:12:45,458 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 12:12:45,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:12:45,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 12:12:45,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 12:12:45,459 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 12:12:45,459 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 12:12:45,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 12:12:45,459 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 12:12:45,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 12:12:45,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 12:12:45,754 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 12:12:45,757 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 12:12:45,759 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 12:12:45,759 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 12:12:45,760 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_tso.opt.i [2020-10-16 12:12:45,829 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6f4b370c2/7902686c6a9d4b84b05bcf632353e0ce/FLAG34d416e19 [2020-10-16 12:12:46,356 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 12:12:46,357 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/thin002_tso.opt.i [2020-10-16 12:12:46,376 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6f4b370c2/7902686c6a9d4b84b05bcf632353e0ce/FLAG34d416e19 [2020-10-16 12:12:46,682 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6f4b370c2/7902686c6a9d4b84b05bcf632353e0ce [2020-10-16 12:12:46,692 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 12:12:46,694 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 12:12:46,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 12:12:46,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 12:12:46,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 12:12:46,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:12:46" (1/1) ... [2020-10-16 12:12:46,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d4ca9b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:46, skipping insertion in model container [2020-10-16 12:12:46,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:12:46" (1/1) ... [2020-10-16 12:12:46,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 12:12:46,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 12:12:47,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:12:47,252 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 12:12:47,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:12:47,373 INFO L208 MainTranslator]: Completed translation [2020-10-16 12:12:47,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:47 WrapperNode [2020-10-16 12:12:47,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 12:12:47,375 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 12:12:47,375 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 12:12:47,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 12:12:47,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:47" (1/1) ... [2020-10-16 12:12:47,400 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:47" (1/1) ... [2020-10-16 12:12:47,424 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 12:12:47,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 12:12:47,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 12:12:47,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 12:12:47,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:47" (1/1) ... [2020-10-16 12:12:47,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:47" (1/1) ... [2020-10-16 12:12:47,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:47" (1/1) ... [2020-10-16 12:12:47,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:47" (1/1) ... [2020-10-16 12:12:47,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:47" (1/1) ... [2020-10-16 12:12:47,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:47" (1/1) ... [2020-10-16 12:12:47,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:47" (1/1) ... [2020-10-16 12:12:47,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 12:12:47,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 12:12:47,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 12:12:47,454 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 12:12:47,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:47" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 12:12:47,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 12:12:47,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 12:12:47,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 12:12:47,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 12:12:47,522 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 12:12:47,522 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 12:12:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 12:12:47,523 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 12:12:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-16 12:12:47,523 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-16 12:12:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-16 12:12:47,530 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-16 12:12:47,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 12:12:47,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 12:12:47,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 12:12:47,533 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 12:12:47,892 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 12:12:47,892 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-16 12:12:47,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:12:47 BoogieIcfgContainer [2020-10-16 12:12:47,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 12:12:47,897 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 12:12:47,897 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 12:12:47,901 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 12:12:47,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:12:46" (1/3) ... [2020-10-16 12:12:47,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@648ed10b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:12:47, skipping insertion in model container [2020-10-16 12:12:47,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:47" (2/3) ... [2020-10-16 12:12:47,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@648ed10b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:12:47, skipping insertion in model container [2020-10-16 12:12:47,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:12:47" (3/3) ... [2020-10-16 12:12:47,905 INFO L111 eAbstractionObserver]: Analyzing ICFG thin002_tso.opt.i [2020-10-16 12:12:47,917 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 12:12:47,918 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 12:12:47,926 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-16 12:12:47,927 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 12:12:47,965 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,965 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,965 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,966 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,967 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,967 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,968 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,968 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,969 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,969 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,970 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,970 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,970 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,970 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,971 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,971 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,972 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,972 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,972 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,972 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,973 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,973 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,977 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,978 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,978 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,978 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,984 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,984 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,985 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,985 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,987 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,988 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,988 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,988 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,991 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,991 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,991 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,992 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:47,994 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:12:48,009 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-16 12:12:48,031 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:12:48,031 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:12:48,031 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:12:48,032 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 12:12:48,032 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:12:48,032 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:12:48,032 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:12:48,032 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:12:48,047 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:12:48,048 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 97 places, 86 transitions, 192 flow [2020-10-16 12:12:48,050 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 97 places, 86 transitions, 192 flow [2020-10-16 12:12:48,051 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 97 places, 86 transitions, 192 flow [2020-10-16 12:12:48,106 INFO L129 PetriNetUnfolder]: 2/82 cut-off events. [2020-10-16 12:12:48,106 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 12:12:48,112 INFO L80 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 82 events. 2/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 66 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 69. Up to 2 conditions per place. [2020-10-16 12:12:48,116 INFO L117 LiptonReduction]: Number of co-enabled transitions 2016 [2020-10-16 12:12:49,538 INFO L132 LiptonReduction]: Checked pairs total: 4737 [2020-10-16 12:12:49,539 INFO L134 LiptonReduction]: Total number of compositions: 68 [2020-10-16 12:12:49,546 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 41 places, 29 transitions, 78 flow [2020-10-16 12:12:49,648 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1450 states. [2020-10-16 12:12:49,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states. [2020-10-16 12:12:49,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-16 12:12:49,662 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:12:49,663 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:12:49,663 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:12:49,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:12:49,670 INFO L82 PathProgramCache]: Analyzing trace with hash 546901279, now seen corresponding path program 1 times [2020-10-16 12:12:49,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:12:49,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867697532] [2020-10-16 12:12:49,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:12:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:12:49,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:12:49,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867697532] [2020-10-16 12:12:49,862 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:12:49,862 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:12:49,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782348557] [2020-10-16 12:12:49,868 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-16 12:12:49,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:12:49,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-16 12:12:49,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 12:12:49,889 INFO L87 Difference]: Start difference. First operand 1450 states. Second operand 2 states. [2020-10-16 12:12:49,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:12:49,971 INFO L93 Difference]: Finished difference Result 1450 states and 5376 transitions. [2020-10-16 12:12:49,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-16 12:12:49,973 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-16 12:12:49,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:12:50,032 INFO L225 Difference]: With dead ends: 1450 [2020-10-16 12:12:50,032 INFO L226 Difference]: Without dead ends: 1194 [2020-10-16 12:12:50,034 INFO L677 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 [2020-10-16 12:12:50,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2020-10-16 12:12:50,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 1194. [2020-10-16 12:12:50,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1194 states. [2020-10-16 12:12:50,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 4352 transitions. [2020-10-16 12:12:50,197 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 4352 transitions. Word has length 10 [2020-10-16 12:12:50,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:12:50,199 INFO L481 AbstractCegarLoop]: Abstraction has 1194 states and 4352 transitions. [2020-10-16 12:12:50,199 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-16 12:12:50,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 4352 transitions. [2020-10-16 12:12:50,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-16 12:12:50,214 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:12:50,214 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:12:50,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 12:12:50,215 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:12:50,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:12:50,215 INFO L82 PathProgramCache]: Analyzing trace with hash -225951647, now seen corresponding path program 1 times [2020-10-16 12:12:50,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:12:50,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25614127] [2020-10-16 12:12:50,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:12:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:12:50,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:12:50,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25614127] [2020-10-16 12:12:50,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:12:50,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:12:50,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402299058] [2020-10-16 12:12:50,371 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:12:50,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:12:50,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:12:50,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:12:50,373 INFO L87 Difference]: Start difference. First operand 1194 states and 4352 transitions. Second operand 4 states. [2020-10-16 12:12:50,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:12:50,444 INFO L93 Difference]: Finished difference Result 1322 states and 4640 transitions. [2020-10-16 12:12:50,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:12:50,446 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-16 12:12:50,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:12:50,457 INFO L225 Difference]: With dead ends: 1322 [2020-10-16 12:12:50,457 INFO L226 Difference]: Without dead ends: 1066 [2020-10-16 12:12:50,458 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:12:50,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2020-10-16 12:12:50,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 1066. [2020-10-16 12:12:50,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1066 states. [2020-10-16 12:12:50,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 3808 transitions. [2020-10-16 12:12:50,502 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 3808 transitions. Word has length 11 [2020-10-16 12:12:50,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:12:50,503 INFO L481 AbstractCegarLoop]: Abstraction has 1066 states and 3808 transitions. [2020-10-16 12:12:50,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:12:50,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 3808 transitions. [2020-10-16 12:12:50,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 12:12:50,505 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:12:50,505 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:12:50,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 12:12:50,506 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:12:50,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:12:50,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1585409501, now seen corresponding path program 1 times [2020-10-16 12:12:50,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:12:50,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78583769] [2020-10-16 12:12:50,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:12:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:12:50,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:12:50,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78583769] [2020-10-16 12:12:50,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:12:50,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:12:50,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073154298] [2020-10-16 12:12:50,671 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:12:50,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:12:50,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:12:50,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:12:50,672 INFO L87 Difference]: Start difference. First operand 1066 states and 3808 transitions. Second operand 5 states. [2020-10-16 12:12:50,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:12:50,740 INFO L93 Difference]: Finished difference Result 1306 states and 4508 transitions. [2020-10-16 12:12:50,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:12:50,740 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-10-16 12:12:50,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:12:50,746 INFO L225 Difference]: With dead ends: 1306 [2020-10-16 12:12:50,747 INFO L226 Difference]: Without dead ends: 634 [2020-10-16 12:12:50,748 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:12:50,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2020-10-16 12:12:50,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 634. [2020-10-16 12:12:50,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2020-10-16 12:12:50,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 2060 transitions. [2020-10-16 12:12:50,773 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 2060 transitions. Word has length 12 [2020-10-16 12:12:50,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:12:50,774 INFO L481 AbstractCegarLoop]: Abstraction has 634 states and 2060 transitions. [2020-10-16 12:12:50,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:12:50,774 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 2060 transitions. [2020-10-16 12:12:50,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:12:50,775 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:12:50,776 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:12:50,776 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 12:12:50,777 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:12:50,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:12:50,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1322775957, now seen corresponding path program 1 times [2020-10-16 12:12:50,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:12:50,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785814962] [2020-10-16 12:12:50,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:12:50,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:12:50,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:12:50,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785814962] [2020-10-16 12:12:50,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:12:50,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:12:50,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660086675] [2020-10-16 12:12:50,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:12:50,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:12:50,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:12:50,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:12:50,893 INFO L87 Difference]: Start difference. First operand 634 states and 2060 transitions. Second operand 5 states. [2020-10-16 12:12:50,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:12:50,944 INFO L93 Difference]: Finished difference Result 826 states and 2588 transitions. [2020-10-16 12:12:50,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:12:50,945 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-16 12:12:50,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:12:50,948 INFO L225 Difference]: With dead ends: 826 [2020-10-16 12:12:50,948 INFO L226 Difference]: Without dead ends: 346 [2020-10-16 12:12:50,949 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:12:50,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-10-16 12:12:50,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2020-10-16 12:12:50,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2020-10-16 12:12:50,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 1012 transitions. [2020-10-16 12:12:50,961 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 1012 transitions. Word has length 14 [2020-10-16 12:12:50,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:12:50,961 INFO L481 AbstractCegarLoop]: Abstraction has 346 states and 1012 transitions. [2020-10-16 12:12:50,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:12:50,962 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 1012 transitions. [2020-10-16 12:12:50,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-16 12:12:50,963 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:12:50,963 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:12:50,964 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 12:12:50,964 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:12:50,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:12:50,964 INFO L82 PathProgramCache]: Analyzing trace with hash 275175569, now seen corresponding path program 1 times [2020-10-16 12:12:50,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:12:50,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3726459] [2020-10-16 12:12:50,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:12:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:12:51,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:12:51,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3726459] [2020-10-16 12:12:51,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:12:51,059 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:12:51,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733318042] [2020-10-16 12:12:51,062 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:12:51,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:12:51,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:12:51,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:12:51,063 INFO L87 Difference]: Start difference. First operand 346 states and 1012 transitions. Second operand 5 states. [2020-10-16 12:12:51,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:12:51,128 INFO L93 Difference]: Finished difference Result 430 states and 1224 transitions. [2020-10-16 12:12:51,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:12:51,130 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-10-16 12:12:51,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:12:51,132 INFO L225 Difference]: With dead ends: 430 [2020-10-16 12:12:51,132 INFO L226 Difference]: Without dead ends: 148 [2020-10-16 12:12:51,132 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:12:51,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-10-16 12:12:51,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2020-10-16 12:12:51,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-10-16 12:12:51,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 398 transitions. [2020-10-16 12:12:51,139 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 398 transitions. Word has length 16 [2020-10-16 12:12:51,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:12:51,140 INFO L481 AbstractCegarLoop]: Abstraction has 148 states and 398 transitions. [2020-10-16 12:12:51,140 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:12:51,140 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 398 transitions. [2020-10-16 12:12:51,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 12:12:51,141 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:12:51,141 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:12:51,141 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 12:12:51,141 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:12:51,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:12:51,142 INFO L82 PathProgramCache]: Analyzing trace with hash 355522076, now seen corresponding path program 1 times [2020-10-16 12:12:51,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:12:51,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390661165] [2020-10-16 12:12:51,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:12:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:12:51,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:12:51,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390661165] [2020-10-16 12:12:51,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:12:51,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:12:51,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583015599] [2020-10-16 12:12:51,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:12:51,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:12:51,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:12:51,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:12:51,215 INFO L87 Difference]: Start difference. First operand 148 states and 398 transitions. Second operand 5 states. [2020-10-16 12:12:51,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:12:51,253 INFO L93 Difference]: Finished difference Result 124 states and 322 transitions. [2020-10-16 12:12:51,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:12:51,254 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-16 12:12:51,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:12:51,254 INFO L225 Difference]: With dead ends: 124 [2020-10-16 12:12:51,255 INFO L226 Difference]: Without dead ends: 0 [2020-10-16 12:12:51,255 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:12:51,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-16 12:12:51,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-16 12:12:51,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-16 12:12:51,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-16 12:12:51,256 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-10-16 12:12:51,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:12:51,256 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-16 12:12:51,256 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:12:51,257 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-16 12:12:51,257 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-16 12:12:51,257 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 12:12:51,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:12:51 BasicIcfg [2020-10-16 12:12:51,261 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 12:12:51,264 INFO L168 Benchmark]: Toolchain (without parser) took 4569.17 ms. Allocated memory was 141.0 MB in the beginning and 246.9 MB in the end (delta: 105.9 MB). Free memory was 102.3 MB in the beginning and 104.6 MB in the end (delta: -2.3 MB). Peak memory consumption was 103.6 MB. Max. memory is 7.1 GB. [2020-10-16 12:12:51,264 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 12:12:51,266 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.93 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 102.1 MB in the beginning and 160.5 MB in the end (delta: -58.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2020-10-16 12:12:51,266 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.07 ms. Allocated memory is still 203.9 MB. Free memory was 160.5 MB in the beginning and 157.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2020-10-16 12:12:51,267 INFO L168 Benchmark]: Boogie Preprocessor took 28.41 ms. Allocated memory is still 203.9 MB. Free memory was 157.9 MB in the beginning and 156.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-10-16 12:12:51,268 INFO L168 Benchmark]: RCFGBuilder took 441.70 ms. Allocated memory is still 203.9 MB. Free memory was 156.7 MB in the beginning and 131.7 MB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2020-10-16 12:12:51,269 INFO L168 Benchmark]: TraceAbstraction took 3364.12 ms. Allocated memory was 203.9 MB in the beginning and 246.9 MB in the end (delta: 43.0 MB). Free memory was 131.0 MB in the beginning and 104.6 MB in the end (delta: 26.4 MB). Peak memory consumption was 69.4 MB. Max. memory is 7.1 GB. [2020-10-16 12:12:51,273 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 678.93 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 102.1 MB in the beginning and 160.5 MB in the end (delta: -58.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 50.07 ms. Allocated memory is still 203.9 MB. Free memory was 160.5 MB in the beginning and 157.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.41 ms. Allocated memory is still 203.9 MB. Free memory was 157.9 MB in the beginning and 156.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 441.70 ms. Allocated memory is still 203.9 MB. Free memory was 156.7 MB in the beginning and 131.7 MB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3364.12 ms. Allocated memory was 203.9 MB in the beginning and 246.9 MB in the end (delta: 43.0 MB). Free memory was 131.0 MB in the beginning and 104.6 MB in the end (delta: 26.4 MB). Peak memory consumption was 69.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1056 VarBasedMoverChecksPositive, 30 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 115 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.4s, 97 PlacesBefore, 41 PlacesAfterwards, 86 TransitionsBefore, 29 TransitionsAfterwards, 2016 CoEnabledTransitionPairs, 6 FixpointIterations, 17 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 68 TotalNumberOfCompositions, 4737 MoverChecksTotal - 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 5 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.2s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.6s, HoareTripleCheckerStatistics: 173 SDtfs, 225 SDslu, 248 SDs, 0 SdLazy, 45 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1450occurred 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: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 2859 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...