/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-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe036_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 07:11:02,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 07:11:02,593 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 07:11:02,613 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 07:11:02,613 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 07:11:02,616 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 07:11:02,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 07:11:02,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 07:11:02,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 07:11:02,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 07:11:02,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 07:11:02,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 07:11:02,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 07:11:02,641 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 07:11:02,644 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 07:11:02,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 07:11:02,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 07:11:02,647 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 07:11:02,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 07:11:02,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 07:11:02,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 07:11:02,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 07:11:02,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 07:11:02,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 07:11:02,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 07:11:02,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 07:11:02,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 07:11:02,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 07:11:02,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 07:11:02,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 07:11:02,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 07:11:02,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 07:11:02,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 07:11:02,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 07:11:02,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 07:11:02,677 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 07:11:02,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 07:11:02,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 07:11:02,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 07:11:02,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 07:11:02,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 07:11:02,681 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-NoLbe.epf [2020-04-18 07:11:02,715 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 07:11:02,716 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 07:11:02,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 07:11:02,717 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 07:11:02,718 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 07:11:02,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 07:11:02,718 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 07:11:02,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 07:11:02,718 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 07:11:02,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 07:11:02,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 07:11:02,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 07:11:02,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 07:11:02,719 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 07:11:02,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 07:11:02,720 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 07:11:02,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 07:11:02,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 07:11:02,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 07:11:02,720 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 07:11:02,721 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 07:11:02,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 07:11:02,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 07:11:02,721 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 07:11:02,721 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 07:11:02,722 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-04-18 07:11:02,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 07:11:02,722 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-04-18 07:11:02,722 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 07:11:02,722 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 07:11:02,995 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 07:11:03,007 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 07:11:03,011 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 07:11:03,013 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 07:11:03,013 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 07:11:03,014 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe036_power.opt.i [2020-04-18 07:11:03,077 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43cfa4191/df71159f05294ba794f5f38868e7c660/FLAG7a4436775 [2020-04-18 07:11:03,619 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 07:11:03,620 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe036_power.opt.i [2020-04-18 07:11:03,646 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43cfa4191/df71159f05294ba794f5f38868e7c660/FLAG7a4436775 [2020-04-18 07:11:03,933 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43cfa4191/df71159f05294ba794f5f38868e7c660 [2020-04-18 07:11:03,942 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 07:11:03,959 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 07:11:03,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 07:11:03,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 07:11:03,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 07:11:03,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:11:03" (1/1) ... [2020-04-18 07:11:03,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a7d1f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:11:03, skipping insertion in model container [2020-04-18 07:11:03,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:11:03" (1/1) ... [2020-04-18 07:11:03,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 07:11:04,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 07:11:04,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 07:11:04,524 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 07:11:04,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 07:11:04,657 INFO L208 MainTranslator]: Completed translation [2020-04-18 07:11:04,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:11:04 WrapperNode [2020-04-18 07:11:04,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 07:11:04,659 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 07:11:04,659 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 07:11:04,659 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 07:11:04,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:11:04" (1/1) ... [2020-04-18 07:11:04,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:11:04" (1/1) ... [2020-04-18 07:11:04,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 07:11:04,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 07:11:04,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 07:11:04,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 07:11:04,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:11:04" (1/1) ... [2020-04-18 07:11:04,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:11:04" (1/1) ... [2020-04-18 07:11:04,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:11:04" (1/1) ... [2020-04-18 07:11:04,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:11:04" (1/1) ... [2020-04-18 07:11:04,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:11:04" (1/1) ... [2020-04-18 07:11:04,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:11:04" (1/1) ... [2020-04-18 07:11:04,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:11:04" (1/1) ... [2020-04-18 07:11:04,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 07:11:04,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 07:11:04,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 07:11:04,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 07:11:04,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:11:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 07:11:04,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 07:11:04,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-04-18 07:11:04,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 07:11:04,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 07:11:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-04-18 07:11:04,861 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-04-18 07:11:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-04-18 07:11:04,862 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-04-18 07:11:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-04-18 07:11:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 07:11:04,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 07:11:04,866 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 07:11:05,249 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 07:11:05,250 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-04-18 07:11:05,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:11:05 BoogieIcfgContainer [2020-04-18 07:11:05,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 07:11:05,256 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 07:11:05,256 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 07:11:05,259 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 07:11:05,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 07:11:03" (1/3) ... [2020-04-18 07:11:05,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6736a7ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:11:05, skipping insertion in model container [2020-04-18 07:11:05,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:11:04" (2/3) ... [2020-04-18 07:11:05,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6736a7ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:11:05, skipping insertion in model container [2020-04-18 07:11:05,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:11:05" (3/3) ... [2020-04-18 07:11:05,264 INFO L109 eAbstractionObserver]: Analyzing ICFG safe036_power.opt.i [2020-04-18 07:11:05,275 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 07:11:05,275 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 07:11:05,283 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-04-18 07:11:05,284 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 07:11:05,309 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:05,309 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:05,310 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:05,310 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:05,310 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:05,311 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:05,311 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:05,311 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:05,312 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:05,312 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:05,312 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:05,313 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:05,317 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:05,318 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:05,318 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:05,318 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:05,325 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:05,325 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:05,326 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:05,326 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:05,343 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-04-18 07:11:05,363 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 07:11:05,363 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 07:11:05,364 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 07:11:05,364 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 07:11:05,364 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 07:11:05,364 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 07:11:05,365 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 07:11:05,365 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 07:11:05,378 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 61 places, 56 transitions, 122 flow [2020-04-18 07:11:05,465 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1121 states. [2020-04-18 07:11:05,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states. [2020-04-18 07:11:05,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-04-18 07:11:05,498 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:11:05,499 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 07:11:05,502 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 07:11:05,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:11:05,509 INFO L82 PathProgramCache]: Analyzing trace with hash -328445311, now seen corresponding path program 1 times [2020-04-18 07:11:05,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:11:05,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357233671] [2020-04-18 07:11:05,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:11:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:11:05,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 07:11:05,955 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357233671] [2020-04-18 07:11:05,956 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:11:05,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 07:11:05,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474039607] [2020-04-18 07:11:05,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 07:11:05,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 07:11:05,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 07:11:05,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 07:11:05,982 INFO L87 Difference]: Start difference. First operand 1121 states. Second operand 6 states. [2020-04-18 07:11:06,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:11:06,268 INFO L93 Difference]: Finished difference Result 1046 states and 2616 transitions. [2020-04-18 07:11:06,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-04-18 07:11:06,271 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2020-04-18 07:11:06,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:11:06,291 INFO L225 Difference]: With dead ends: 1046 [2020-04-18 07:11:06,291 INFO L226 Difference]: Without dead ends: 504 [2020-04-18 07:11:06,293 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-04-18 07:11:06,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2020-04-18 07:11:06,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 504. [2020-04-18 07:11:06,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2020-04-18 07:11:06,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 1219 transitions. [2020-04-18 07:11:06,374 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 1219 transitions. Word has length 31 [2020-04-18 07:11:06,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:11:06,375 INFO L479 AbstractCegarLoop]: Abstraction has 504 states and 1219 transitions. [2020-04-18 07:11:06,375 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 07:11:06,375 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 1219 transitions. [2020-04-18 07:11:06,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-04-18 07:11:06,378 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:11:06,378 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 07:11:06,378 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 07:11:06,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:11:06,379 INFO L82 PathProgramCache]: Analyzing trace with hash 2045091331, now seen corresponding path program 1 times [2020-04-18 07:11:06,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:11:06,379 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505158779] [2020-04-18 07:11:06,379 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:11:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:11:06,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 07:11:06,559 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505158779] [2020-04-18 07:11:06,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:11:06,560 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-04-18 07:11:06,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11824475] [2020-04-18 07:11:06,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-04-18 07:11:06,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 07:11:06,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-18 07:11:06,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-04-18 07:11:06,563 INFO L87 Difference]: Start difference. First operand 504 states and 1219 transitions. Second operand 7 states. [2020-04-18 07:11:06,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:11:06,724 INFO L93 Difference]: Finished difference Result 372 states and 846 transitions. [2020-04-18 07:11:06,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-04-18 07:11:06,725 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2020-04-18 07:11:06,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:11:06,727 INFO L225 Difference]: With dead ends: 372 [2020-04-18 07:11:06,727 INFO L226 Difference]: Without dead ends: 240 [2020-04-18 07:11:06,728 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-04-18 07:11:06,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-04-18 07:11:06,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2020-04-18 07:11:06,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-04-18 07:11:06,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 515 transitions. [2020-04-18 07:11:06,747 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 515 transitions. Word has length 35 [2020-04-18 07:11:06,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:11:06,747 INFO L479 AbstractCegarLoop]: Abstraction has 240 states and 515 transitions. [2020-04-18 07:11:06,748 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-04-18 07:11:06,748 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 515 transitions. [2020-04-18 07:11:06,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-04-18 07:11:06,749 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:11:06,749 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 07:11:06,750 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 07:11:06,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:11:06,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1256214719, now seen corresponding path program 1 times [2020-04-18 07:11:06,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:11:06,751 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576023468] [2020-04-18 07:11:06,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:11:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:11:06,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 07:11:06,929 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576023468] [2020-04-18 07:11:06,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:11:06,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-04-18 07:11:06,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023992491] [2020-04-18 07:11:06,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-04-18 07:11:06,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 07:11:06,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-18 07:11:06,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-04-18 07:11:06,933 INFO L87 Difference]: Start difference. First operand 240 states and 515 transitions. Second operand 7 states. [2020-04-18 07:11:07,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:11:07,045 INFO L93 Difference]: Finished difference Result 361 states and 786 transitions. [2020-04-18 07:11:07,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-04-18 07:11:07,046 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 39 [2020-04-18 07:11:07,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:11:07,047 INFO L225 Difference]: With dead ends: 361 [2020-04-18 07:11:07,048 INFO L226 Difference]: Without dead ends: 190 [2020-04-18 07:11:07,048 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-04-18 07:11:07,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-04-18 07:11:07,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2020-04-18 07:11:07,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-04-18 07:11:07,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 400 transitions. [2020-04-18 07:11:07,058 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 400 transitions. Word has length 39 [2020-04-18 07:11:07,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:11:07,058 INFO L479 AbstractCegarLoop]: Abstraction has 190 states and 400 transitions. [2020-04-18 07:11:07,058 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-04-18 07:11:07,058 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 400 transitions. [2020-04-18 07:11:07,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-04-18 07:11:07,060 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:11:07,060 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 07:11:07,060 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 07:11:07,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:11:07,061 INFO L82 PathProgramCache]: Analyzing trace with hash -87892729, now seen corresponding path program 2 times [2020-04-18 07:11:07,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:11:07,062 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437286177] [2020-04-18 07:11:07,062 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:11:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:11:07,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 07:11:07,198 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437286177] [2020-04-18 07:11:07,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:11:07,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-04-18 07:11:07,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903426409] [2020-04-18 07:11:07,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-04-18 07:11:07,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 07:11:07,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-18 07:11:07,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-04-18 07:11:07,201 INFO L87 Difference]: Start difference. First operand 190 states and 400 transitions. Second operand 7 states. [2020-04-18 07:11:07,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:11:07,325 INFO L93 Difference]: Finished difference Result 172 states and 358 transitions. [2020-04-18 07:11:07,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-04-18 07:11:07,325 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 39 [2020-04-18 07:11:07,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:11:07,326 INFO L225 Difference]: With dead ends: 172 [2020-04-18 07:11:07,326 INFO L226 Difference]: Without dead ends: 0 [2020-04-18 07:11:07,327 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-04-18 07:11:07,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-04-18 07:11:07,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-04-18 07:11:07,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-04-18 07:11:07,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-04-18 07:11:07,328 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2020-04-18 07:11:07,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:11:07,328 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-04-18 07:11:07,328 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-04-18 07:11:07,329 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-04-18 07:11:07,329 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 07:11:07,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 07:11:07 BasicIcfg [2020-04-18 07:11:07,335 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 07:11:07,338 INFO L168 Benchmark]: Toolchain (without parser) took 3393.31 ms. Allocated memory was 139.5 MB in the beginning and 245.9 MB in the end (delta: 106.4 MB). Free memory was 102.5 MB in the beginning and 209.1 MB in the end (delta: -106.7 MB). Peak memory consumption was 116.7 MB. Max. memory is 7.1 GB. [2020-04-18 07:11:07,339 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-04-18 07:11:07,341 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.99 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 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 23.9 MB. Max. memory is 7.1 GB. [2020-04-18 07:11:07,342 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.28 ms. Allocated memory is still 203.9 MB. Free memory was 159.4 MB in the beginning and 157.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-04-18 07:11:07,346 INFO L168 Benchmark]: Boogie Preprocessor took 40.39 ms. Allocated memory is still 203.9 MB. Free memory was 156.8 MB in the beginning and 155.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-04-18 07:11:07,350 INFO L168 Benchmark]: RCFGBuilder took 475.22 ms. Allocated memory is still 203.9 MB. Free memory was 155.5 MB in the beginning and 135.6 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2020-04-18 07:11:07,351 INFO L168 Benchmark]: TraceAbstraction took 2078.92 ms. Allocated memory was 203.9 MB in the beginning and 245.9 MB in the end (delta: 41.9 MB). Free memory was 134.9 MB in the beginning and 209.1 MB in the end (delta: -74.2 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. [2020-04-18 07:11:07,355 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 698.99 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 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 23.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 77.28 ms. Allocated memory is still 203.9 MB. Free memory was 159.4 MB in the beginning and 157.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.39 ms. Allocated memory is still 203.9 MB. Free memory was 156.8 MB in the beginning and 155.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 475.22 ms. Allocated memory is still 203.9 MB. Free memory was 155.5 MB in the beginning and 135.6 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2078.92 ms. Allocated memory was 203.9 MB in the beginning and 245.9 MB in the end (delta: 41.9 MB). Free memory was 134.9 MB in the beginning and 209.1 MB in the end (delta: -74.2 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 3 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 246 SDtfs, 316 SDslu, 829 SDs, 0 SdLazy, 116 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1121occurred 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 13616 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...