/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 0.1.25-4336eb1 [2019-12-27 08:08:14,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 08:08:14,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 08:08:14,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 08:08:14,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 08:08:14,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 08:08:14,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 08:08:14,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 08:08:14,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 08:08:14,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 08:08:14,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 08:08:14,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 08:08:14,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 08:08:14,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 08:08:14,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 08:08:14,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 08:08:14,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 08:08:14,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 08:08:14,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 08:08:14,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 08:08:14,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 08:08:14,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 08:08:14,399 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 08:08:14,400 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 08:08:14,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 08:08:14,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 08:08:14,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 08:08:14,403 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 08:08:14,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 08:08:14,405 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 08:08:14,405 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 08:08:14,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 08:08:14,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 08:08:14,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 08:08:14,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 08:08:14,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 08:08:14,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 08:08:14,409 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 08:08:14,409 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 08:08:14,410 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 08:08:14,411 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 08:08:14,412 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 [2019-12-27 08:08:14,426 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 08:08:14,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 08:08:14,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 08:08:14,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 08:08:14,428 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 08:08:14,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 08:08:14,428 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 08:08:14,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 08:08:14,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 08:08:14,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 08:08:14,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 08:08:14,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 08:08:14,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 08:08:14,430 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 08:08:14,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 08:08:14,430 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 08:08:14,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 08:08:14,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 08:08:14,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 08:08:14,431 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 08:08:14,431 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 08:08:14,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 08:08:14,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 08:08:14,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 08:08:14,432 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 08:08:14,432 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 08:08:14,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 08:08:14,432 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-27 08:08:14,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 08:08:14,433 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 08:08:14,705 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 08:08:14,718 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 08:08:14,721 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 08:08:14,723 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 08:08:14,723 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 08:08:14,724 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe030_tso.opt.i [2019-12-27 08:08:14,784 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4560dce31/5a86db1f3ae04348900c3a761f1fc22b/FLAG679107306 [2019-12-27 08:08:15,367 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 08:08:15,368 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe030_tso.opt.i [2019-12-27 08:08:15,384 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4560dce31/5a86db1f3ae04348900c3a761f1fc22b/FLAG679107306 [2019-12-27 08:08:15,626 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4560dce31/5a86db1f3ae04348900c3a761f1fc22b [2019-12-27 08:08:15,637 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 08:08:15,639 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 08:08:15,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 08:08:15,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 08:08:15,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 08:08:15,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 08:08:15" (1/1) ... [2019-12-27 08:08:15,648 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57c4a233 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:08:15, skipping insertion in model container [2019-12-27 08:08:15,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 08:08:15" (1/1) ... [2019-12-27 08:08:15,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 08:08:15,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 08:08:16,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 08:08:16,176 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 08:08:16,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 08:08:16,321 INFO L208 MainTranslator]: Completed translation [2019-12-27 08:08:16,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:08:16 WrapperNode [2019-12-27 08:08:16,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 08:08:16,323 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 08:08:16,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 08:08:16,323 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 08:08:16,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:08:16" (1/1) ... [2019-12-27 08:08:16,353 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:08:16" (1/1) ... [2019-12-27 08:08:16,381 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 08:08:16,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 08:08:16,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 08:08:16,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 08:08:16,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:08:16" (1/1) ... [2019-12-27 08:08:16,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:08:16" (1/1) ... [2019-12-27 08:08:16,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:08:16" (1/1) ... [2019-12-27 08:08:16,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:08:16" (1/1) ... [2019-12-27 08:08:16,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:08:16" (1/1) ... [2019-12-27 08:08:16,403 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:08:16" (1/1) ... [2019-12-27 08:08:16,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:08:16" (1/1) ... [2019-12-27 08:08:16,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 08:08:16,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 08:08:16,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 08:08:16,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 08:08:16,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:08:16" (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 [2019-12-27 08:08:16,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 08:08:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 08:08:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 08:08:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 08:08:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-27 08:08:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-27 08:08:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-27 08:08:16,480 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-27 08:08:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-27 08:08:16,481 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-27 08:08:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 08:08:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 08:08:16,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 08:08:16,484 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 08:08:16,877 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 08:08:16,878 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-27 08:08:16,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 08:08:16 BoogieIcfgContainer [2019-12-27 08:08:16,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 08:08:16,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 08:08:16,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 08:08:16,883 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 08:08:16,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 08:08:15" (1/3) ... [2019-12-27 08:08:16,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b05de57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 08:08:16, skipping insertion in model container [2019-12-27 08:08:16,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:08:16" (2/3) ... [2019-12-27 08:08:16,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b05de57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 08:08:16, skipping insertion in model container [2019-12-27 08:08:16,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 08:08:16" (3/3) ... [2019-12-27 08:08:16,888 INFO L109 eAbstractionObserver]: Analyzing ICFG safe030_tso.opt.i [2019-12-27 08:08:16,898 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 08:08:16,898 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 08:08:16,906 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 08:08:16,907 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 08:08:16,935 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:08:16,935 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:08:16,936 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:08:16,936 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:08:16,937 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:08:16,937 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:08:16,938 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:08:16,939 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:08:16,939 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:08:16,939 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:08:16,939 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:08:16,940 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:08:16,940 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:08:16,941 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:08:16,941 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:08:16,941 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:08:16,942 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:08:16,942 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:08:16,949 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:08:16,950 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:08:16,950 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:08:16,952 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:08:16,967 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:08:16,968 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:08:16,968 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:08:16,968 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:08:16,971 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:08:16,971 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:08:16,971 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:08:16,972 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:08:16,987 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-27 08:08:17,007 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 08:08:17,008 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 08:08:17,008 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 08:08:17,008 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 08:08:17,008 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 08:08:17,008 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 08:08:17,009 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 08:08:17,009 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 08:08:17,023 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 52 transitions [2019-12-27 08:08:17,025 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 61 places, 52 transitions [2019-12-27 08:08:17,070 INFO L132 PetriNetUnfolder]: 1/49 cut-off events. [2019-12-27 08:08:17,070 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 08:08:17,076 INFO L76 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 49 events. 1/49 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 23 event pairs. 0/47 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-12-27 08:08:17,079 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 61 places, 52 transitions [2019-12-27 08:08:17,098 INFO L132 PetriNetUnfolder]: 1/49 cut-off events. [2019-12-27 08:08:17,099 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 08:08:17,100 INFO L76 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 49 events. 1/49 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 23 event pairs. 0/47 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-12-27 08:08:17,102 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 450 [2019-12-27 08:08:17,103 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 08:08:18,443 INFO L206 etLargeBlockEncoding]: Checked pairs total: 473 [2019-12-27 08:08:18,443 INFO L214 etLargeBlockEncoding]: Total number of compositions: 43 [2019-12-27 08:08:18,447 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 21 places, 15 transitions [2019-12-27 08:08:18,457 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 46 states. [2019-12-27 08:08:18,460 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2019-12-27 08:08:18,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-27 08:08:18,467 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:08:18,468 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:08:18,468 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 08:08:18,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:08:18,473 INFO L82 PathProgramCache]: Analyzing trace with hash -375115777, now seen corresponding path program 1 times [2019-12-27 08:08:18,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:08:18,484 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200949872] [2019-12-27 08:08:18,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:08:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:08:18,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 08:08:18,714 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200949872] [2019-12-27 08:08:18,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:08:18,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 08:08:18,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15468074] [2019-12-27 08:08:18,722 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 08:08:18,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:08:18,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 08:08:18,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:08:18,735 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 3 states. [2019-12-27 08:08:18,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:08:18,773 INFO L93 Difference]: Finished difference Result 44 states and 89 transitions. [2019-12-27 08:08:18,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 08:08:18,774 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-27 08:08:18,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:08:18,785 INFO L225 Difference]: With dead ends: 44 [2019-12-27 08:08:18,786 INFO L226 Difference]: Without dead ends: 36 [2019-12-27 08:08:18,787 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:08:18,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-12-27 08:08:18,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-12-27 08:08:18,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-12-27 08:08:18,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 69 transitions. [2019-12-27 08:08:18,825 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 69 transitions. Word has length 8 [2019-12-27 08:08:18,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:08:18,826 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 69 transitions. [2019-12-27 08:08:18,826 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 08:08:18,826 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2019-12-27 08:08:18,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-27 08:08:18,827 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:08:18,827 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:08:18,827 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 08:08:18,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:08:18,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1257240011, now seen corresponding path program 1 times [2019-12-27 08:08:18,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:08:18,828 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24933860] [2019-12-27 08:08:18,829 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:08:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:08:18,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 08:08:18,908 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24933860] [2019-12-27 08:08:18,908 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:08:18,909 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 08:08:18,910 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648123190] [2019-12-27 08:08:18,912 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 08:08:18,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:08:18,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 08:08:18,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:08:18,913 INFO L87 Difference]: Start difference. First operand 36 states and 69 transitions. Second operand 3 states. [2019-12-27 08:08:18,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:08:18,933 INFO L93 Difference]: Finished difference Result 40 states and 69 transitions. [2019-12-27 08:08:18,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 08:08:18,934 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-12-27 08:08:18,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:08:18,935 INFO L225 Difference]: With dead ends: 40 [2019-12-27 08:08:18,935 INFO L226 Difference]: Without dead ends: 36 [2019-12-27 08:08:18,939 INFO L631 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 [2019-12-27 08:08:18,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-12-27 08:08:18,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2019-12-27 08:08:18,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-12-27 08:08:18,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 61 transitions. [2019-12-27 08:08:18,949 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 61 transitions. Word has length 9 [2019-12-27 08:08:18,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:08:18,952 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 61 transitions. [2019-12-27 08:08:18,952 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 08:08:18,952 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2019-12-27 08:08:18,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-27 08:08:18,953 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:08:18,953 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:08:18,953 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 08:08:18,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:08:18,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1256312553, now seen corresponding path program 1 times [2019-12-27 08:08:18,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:08:18,955 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608318313] [2019-12-27 08:08:18,955 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:08:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:08:19,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 08:08:19,055 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608318313] [2019-12-27 08:08:19,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:08:19,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 08:08:19,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846522076] [2019-12-27 08:08:19,056 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 08:08:19,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:08:19,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 08:08:19,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:08:19,057 INFO L87 Difference]: Start difference. First operand 35 states and 61 transitions. Second operand 3 states. [2019-12-27 08:08:19,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:08:19,070 INFO L93 Difference]: Finished difference Result 39 states and 61 transitions. [2019-12-27 08:08:19,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 08:08:19,072 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-12-27 08:08:19,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:08:19,072 INFO L225 Difference]: With dead ends: 39 [2019-12-27 08:08:19,073 INFO L226 Difference]: Without dead ends: 29 [2019-12-27 08:08:19,073 INFO L631 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 [2019-12-27 08:08:19,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-12-27 08:08:19,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2019-12-27 08:08:19,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-12-27 08:08:19,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 41 transitions. [2019-12-27 08:08:19,078 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 41 transitions. Word has length 9 [2019-12-27 08:08:19,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:08:19,078 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 41 transitions. [2019-12-27 08:08:19,078 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 08:08:19,078 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2019-12-27 08:08:19,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 08:08:19,079 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:08:19,079 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:08:19,079 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 08:08:19,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:08:19,080 INFO L82 PathProgramCache]: Analyzing trace with hash 319734646, now seen corresponding path program 1 times [2019-12-27 08:08:19,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:08:19,080 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405807906] [2019-12-27 08:08:19,081 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:08:19,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:08:19,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 08:08:19,159 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405807906] [2019-12-27 08:08:19,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:08:19,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 08:08:19,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722897009] [2019-12-27 08:08:19,160 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 08:08:19,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:08:19,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 08:08:19,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:08:19,161 INFO L87 Difference]: Start difference. First operand 28 states and 41 transitions. Second operand 3 states. [2019-12-27 08:08:19,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:08:19,170 INFO L93 Difference]: Finished difference Result 26 states and 38 transitions. [2019-12-27 08:08:19,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 08:08:19,170 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-27 08:08:19,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:08:19,171 INFO L225 Difference]: With dead ends: 26 [2019-12-27 08:08:19,171 INFO L226 Difference]: Without dead ends: 0 [2019-12-27 08:08:19,172 INFO L631 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 [2019-12-27 08:08:19,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-27 08:08:19,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-27 08:08:19,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-27 08:08:19,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-27 08:08:19,173 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-12-27 08:08:19,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:08:19,173 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-27 08:08:19,174 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 08:08:19,174 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-27 08:08:19,174 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-27 08:08:19,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 08:08:19 BasicIcfg [2019-12-27 08:08:19,177 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 08:08:19,180 INFO L168 Benchmark]: Toolchain (without parser) took 3540.97 ms. Allocated memory was 138.4 MB in the beginning and 247.5 MB in the end (delta: 109.1 MB). Free memory was 100.8 MB in the beginning and 186.0 MB in the end (delta: -85.2 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2019-12-27 08:08:19,181 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-12-27 08:08:19,182 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.49 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 100.4 MB in the beginning and 159.4 MB in the end (delta: -59.0 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2019-12-27 08:08:19,183 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.57 ms. Allocated memory is still 202.4 MB. Free memory was 159.4 MB in the beginning and 157.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 08:08:19,184 INFO L168 Benchmark]: Boogie Preprocessor took 27.54 ms. Allocated memory is still 202.4 MB. Free memory was 157.4 MB in the beginning and 156.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-27 08:08:19,185 INFO L168 Benchmark]: RCFGBuilder took 463.40 ms. Allocated memory is still 202.4 MB. Free memory was 156.1 MB in the beginning and 136.0 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2019-12-27 08:08:19,186 INFO L168 Benchmark]: TraceAbstraction took 2297.54 ms. Allocated memory was 202.4 MB in the beginning and 247.5 MB in the end (delta: 45.1 MB). Free memory was 135.4 MB in the beginning and 186.0 MB in the end (delta: -50.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-12-27 08:08:19,190 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 682.49 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 100.4 MB in the beginning and 159.4 MB in the end (delta: -59.0 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 58.57 ms. Allocated memory is still 202.4 MB. Free memory was 159.4 MB in the beginning and 157.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.54 ms. Allocated memory is still 202.4 MB. Free memory was 157.4 MB in the beginning and 156.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 463.40 ms. Allocated memory is still 202.4 MB. Free memory was 156.1 MB in the beginning and 136.0 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2297.54 ms. Allocated memory was 202.4 MB in the beginning and 247.5 MB in the end (delta: 45.1 MB). Free memory was 135.4 MB in the beginning and 186.0 MB in the end (delta: -50.6 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.4s, 61 ProgramPointsBefore, 21 ProgramPointsAfterwards, 52 TransitionsBefore, 15 TransitionsAfterwards, 450 CoEnabledTransitionPairs, 7 FixpointIterations, 12 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 1 ChoiceCompositions, 234 VarBasedMoverChecksPositive, 13 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 473 CheckedPairsTotal, 43 TotalNumberOfCompositions - PositiveResult [Line: 4]: 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, 52 locations, 1 error locations. Result: SAFE, OverallTime: 2.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 56 SDtfs, 11 SDslu, 27 SDs, 0 SdLazy, 15 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 438 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...