/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe033_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 15:11:45,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 15:11:45,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 15:11:45,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 15:11:45,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 15:11:45,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 15:11:45,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 15:11:45,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 15:11:45,648 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 15:11:45,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 15:11:45,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 15:11:45,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 15:11:45,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 15:11:45,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 15:11:45,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 15:11:45,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 15:11:45,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 15:11:45,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 15:11:45,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 15:11:45,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 15:11:45,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 15:11:45,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 15:11:45,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 15:11:45,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 15:11:45,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-18 15:11:45,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 15:11:45,692 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 15:11:45,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 15:11:45,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 15:11:45,697 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 15:11:45,697 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 15:11:45,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 15:11:45,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 15:11:45,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 15:11:45,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 15:11:45,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 15:11:45,703 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-18 15:11:45,737 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 15:11:45,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 15:11:45,738 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 15:11:45,739 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 15:11:45,739 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 15:11:45,739 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 15:11:45,739 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 15:11:45,739 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 15:11:45,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 15:11:45,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 15:11:45,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 15:11:45,740 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 15:11:45,740 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 15:11:45,740 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 15:11:45,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 15:11:45,741 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 15:11:45,741 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 15:11:45,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 15:11:45,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 15:11:45,742 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 15:11:45,742 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 15:11:45,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 15:11:45,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 15:11:45,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 15:11:45,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 15:11:45,743 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 15:11:45,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 15:11:45,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 15:11:45,743 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-18 15:11:45,743 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 15:11:46,020 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 15:11:46,034 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 15:11:46,038 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 15:11:46,039 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 15:11:46,040 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 15:11:46,041 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe033_tso.opt.i [2019-12-18 15:11:46,112 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92e734348/8a6307674fd24249b2a6d2afb33765bd/FLAGa09bb8ae5 [2019-12-18 15:11:46,669 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 15:11:46,670 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe033_tso.opt.i [2019-12-18 15:11:46,688 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92e734348/8a6307674fd24249b2a6d2afb33765bd/FLAGa09bb8ae5 [2019-12-18 15:11:46,967 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92e734348/8a6307674fd24249b2a6d2afb33765bd [2019-12-18 15:11:46,976 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 15:11:46,978 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 15:11:46,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 15:11:46,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 15:11:46,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 15:11:46,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 03:11:46" (1/1) ... [2019-12-18 15:11:46,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70dbd6c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:11:46, skipping insertion in model container [2019-12-18 15:11:46,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 03:11:46" (1/1) ... [2019-12-18 15:11:46,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 15:11:47,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 15:11:47,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 15:11:47,541 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 15:11:47,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 15:11:47,667 INFO L208 MainTranslator]: Completed translation [2019-12-18 15:11:47,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:11:47 WrapperNode [2019-12-18 15:11:47,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 15:11:47,669 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 15:11:47,669 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 15:11:47,669 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 15:11:47,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:11:47" (1/1) ... [2019-12-18 15:11:47,695 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:11:47" (1/1) ... [2019-12-18 15:11:47,718 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 15:11:47,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 15:11:47,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 15:11:47,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 15:11:47,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:11:47" (1/1) ... [2019-12-18 15:11:47,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:11:47" (1/1) ... [2019-12-18 15:11:47,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:11:47" (1/1) ... [2019-12-18 15:11:47,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:11:47" (1/1) ... [2019-12-18 15:11:47,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:11:47" (1/1) ... [2019-12-18 15:11:47,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:11:47" (1/1) ... [2019-12-18 15:11:47,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:11:47" (1/1) ... [2019-12-18 15:11:47,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 15:11:47,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 15:11:47,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 15:11:47,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 15:11:47,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:11:47" (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 [2019-12-18 15:11:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 15:11:47,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-18 15:11:47,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 15:11:47,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 15:11:47,824 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-18 15:11:47,825 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-18 15:11:47,825 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-18 15:11:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-18 15:11:47,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-18 15:11:47,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 15:11:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 15:11:47,828 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-18 15:11:48,169 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 15:11:48,170 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-18 15:11:48,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:11:48 BoogieIcfgContainer [2019-12-18 15:11:48,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 15:11:48,173 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 15:11:48,173 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 15:11:48,176 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 15:11:48,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 03:11:46" (1/3) ... [2019-12-18 15:11:48,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15bf4f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 03:11:48, skipping insertion in model container [2019-12-18 15:11:48,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:11:47" (2/3) ... [2019-12-18 15:11:48,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15bf4f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 03:11:48, skipping insertion in model container [2019-12-18 15:11:48,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:11:48" (3/3) ... [2019-12-18 15:11:48,180 INFO L109 eAbstractionObserver]: Analyzing ICFG safe033_tso.opt.i [2019-12-18 15:11:48,190 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 15:11:48,191 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 15:11:48,197 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-18 15:11:48,199 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 15:11:48,224 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:11:48,224 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:11:48,225 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:11:48,226 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:11:48,227 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:11:48,227 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:11:48,228 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:11:48,228 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:11:48,228 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:11:48,228 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:11:48,229 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:11:48,230 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:11:48,236 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:11:48,237 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:11:48,237 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:11:48,237 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:11:48,247 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:11:48,248 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:11:48,248 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:11:48,248 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:11:48,264 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-18 15:11:48,280 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 15:11:48,280 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 15:11:48,281 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 15:11:48,281 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 15:11:48,281 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 15:11:48,281 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 15:11:48,281 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 15:11:48,282 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 15:11:48,294 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 42 transitions [2019-12-18 15:11:48,297 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 48 places, 42 transitions [2019-12-18 15:11:48,333 INFO L126 PetriNetUnfolder]: 1/40 cut-off events. [2019-12-18 15:11:48,334 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 15:11:48,340 INFO L76 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 40 events. 1/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 16 event pairs. 6/44 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2019-12-18 15:11:48,343 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 48 places, 42 transitions [2019-12-18 15:11:48,361 INFO L126 PetriNetUnfolder]: 1/40 cut-off events. [2019-12-18 15:11:48,361 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 15:11:48,363 INFO L76 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 40 events. 1/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 16 event pairs. 6/44 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2019-12-18 15:11:48,364 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 234 [2019-12-18 15:11:48,366 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-18 15:11:49,732 INFO L206 etLargeBlockEncoding]: Checked pairs total: 275 [2019-12-18 15:11:49,733 INFO L214 etLargeBlockEncoding]: Total number of compositions: 37 [2019-12-18 15:11:49,737 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 16 places, 13 transitions [2019-12-18 15:11:49,746 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 26 states. [2019-12-18 15:11:49,748 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-12-18 15:11:49,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-18 15:11:49,755 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 15:11:49,756 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-18 15:11:49,757 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 15:11:49,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 15:11:49,763 INFO L82 PathProgramCache]: Analyzing trace with hash 520246960, now seen corresponding path program 1 times [2019-12-18 15:11:49,772 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 15:11:49,772 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980137571] [2019-12-18 15:11:49,772 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 15:11:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 15:11:50,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 15:11:50,069 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980137571] [2019-12-18 15:11:50,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 15:11:50,070 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 15:11:50,071 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123237880] [2019-12-18 15:11:50,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 15:11:50,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 15:11:50,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 15:11:50,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 15:11:50,110 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 3 states. [2019-12-18 15:11:50,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 15:11:50,145 INFO L93 Difference]: Finished difference Result 25 states and 41 transitions. [2019-12-18 15:11:50,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 15:11:50,147 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-12-18 15:11:50,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 15:11:50,155 INFO L225 Difference]: With dead ends: 25 [2019-12-18 15:11:50,155 INFO L226 Difference]: Without dead ends: 17 [2019-12-18 15:11:50,157 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 [2019-12-18 15:11:50,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-12-18 15:11:50,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-12-18 15:11:50,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-18 15:11:50,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 25 transitions. [2019-12-18 15:11:50,189 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 25 transitions. Word has length 6 [2019-12-18 15:11:50,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 15:11:50,190 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 25 transitions. [2019-12-18 15:11:50,190 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 15:11:50,190 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2019-12-18 15:11:50,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-18 15:11:50,191 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 15:11:50,191 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-18 15:11:50,191 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 15:11:50,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 15:11:50,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1053333326, now seen corresponding path program 1 times [2019-12-18 15:11:50,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 15:11:50,192 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151968421] [2019-12-18 15:11:50,192 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 15:11:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 15:11:50,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 15:11:50,321 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151968421] [2019-12-18 15:11:50,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 15:11:50,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 15:11:50,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344965843] [2019-12-18 15:11:50,324 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-18 15:11:50,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 15:11:50,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-18 15:11:50,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-18 15:11:50,325 INFO L87 Difference]: Start difference. First operand 17 states and 25 transitions. Second operand 5 states. [2019-12-18 15:11:50,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 15:11:50,403 INFO L93 Difference]: Finished difference Result 16 states and 21 transitions. [2019-12-18 15:11:50,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-18 15:11:50,405 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2019-12-18 15:11:50,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 15:11:50,405 INFO L225 Difference]: With dead ends: 16 [2019-12-18 15:11:50,406 INFO L226 Difference]: Without dead ends: 12 [2019-12-18 15:11:50,406 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-18 15:11:50,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-12-18 15:11:50,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-12-18 15:11:50,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-12-18 15:11:50,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2019-12-18 15:11:50,412 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 14 transitions. Word has length 7 [2019-12-18 15:11:50,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 15:11:50,414 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 14 transitions. [2019-12-18 15:11:50,414 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-18 15:11:50,414 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2019-12-18 15:11:50,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-18 15:11:50,415 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 15:11:50,415 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 15:11:50,415 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 15:11:50,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 15:11:50,415 INFO L82 PathProgramCache]: Analyzing trace with hash 1706464507, now seen corresponding path program 1 times [2019-12-18 15:11:50,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 15:11:50,416 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513380930] [2019-12-18 15:11:50,417 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 15:11:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 15:11:50,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 15:11:50,504 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513380930] [2019-12-18 15:11:50,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 15:11:50,504 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 15:11:50,504 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686829430] [2019-12-18 15:11:50,506 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 15:11:50,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 15:11:50,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 15:11:50,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 15:11:50,508 INFO L87 Difference]: Start difference. First operand 12 states and 14 transitions. Second operand 3 states. [2019-12-18 15:11:50,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 15:11:50,516 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2019-12-18 15:11:50,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 15:11:50,516 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-18 15:11:50,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 15:11:50,517 INFO L225 Difference]: With dead ends: 14 [2019-12-18 15:11:50,517 INFO L226 Difference]: Without dead ends: 9 [2019-12-18 15:11:50,518 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 [2019-12-18 15:11:50,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-12-18 15:11:50,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-12-18 15:11:50,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-12-18 15:11:50,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2019-12-18 15:11:50,520 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 8 [2019-12-18 15:11:50,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 15:11:50,520 INFO L462 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2019-12-18 15:11:50,520 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 15:11:50,520 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2019-12-18 15:11:50,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-18 15:11:50,521 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 15:11:50,521 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 15:11:50,521 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 15:11:50,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 15:11:50,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1743020947, now seen corresponding path program 2 times [2019-12-18 15:11:50,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 15:11:50,522 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359166944] [2019-12-18 15:11:50,522 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 15:11:50,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 15:11:50,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 15:11:50,595 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359166944] [2019-12-18 15:11:50,596 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 15:11:50,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 15:11:50,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116304855] [2019-12-18 15:11:50,596 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 15:11:50,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 15:11:50,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 15:11:50,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 15:11:50,598 INFO L87 Difference]: Start difference. First operand 9 states and 8 transitions. Second operand 4 states. [2019-12-18 15:11:50,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 15:11:50,612 INFO L93 Difference]: Finished difference Result 8 states and 7 transitions. [2019-12-18 15:11:50,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 15:11:50,613 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-12-18 15:11:50,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 15:11:50,614 INFO L225 Difference]: With dead ends: 8 [2019-12-18 15:11:50,614 INFO L226 Difference]: Without dead ends: 0 [2019-12-18 15:11:50,614 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 15:11:50,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-18 15:11:50,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-18 15:11:50,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-18 15:11:50,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-18 15:11:50,615 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-12-18 15:11:50,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 15:11:50,616 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-18 15:11:50,616 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 15:11:50,616 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-18 15:11:50,616 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-18 15:11:50,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 03:11:50 BasicIcfg [2019-12-18 15:11:50,621 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-18 15:11:50,624 INFO L168 Benchmark]: Toolchain (without parser) took 3645.51 ms. Allocated memory was 138.4 MB in the beginning and 246.4 MB in the end (delta: 108.0 MB). Free memory was 100.7 MB in the beginning and 180.2 MB in the end (delta: -79.6 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. [2019-12-18 15:11:50,626 INFO L168 Benchmark]: CDTParser took 1.44 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: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-18 15:11:50,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.73 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 100.3 MB in the beginning and 160.8 MB in the end (delta: -60.6 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2019-12-18 15:11:50,630 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.80 ms. Allocated memory is still 202.9 MB. Free memory was 160.2 MB in the beginning and 158.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-18 15:11:50,636 INFO L168 Benchmark]: Boogie Preprocessor took 26.74 ms. Allocated memory is still 202.9 MB. Free memory was 158.2 MB in the beginning and 156.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-18 15:11:50,637 INFO L168 Benchmark]: RCFGBuilder took 425.34 ms. Allocated memory is still 202.9 MB. Free memory was 156.9 MB in the beginning and 138.5 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. [2019-12-18 15:11:50,638 INFO L168 Benchmark]: TraceAbstraction took 2448.56 ms. Allocated memory was 202.9 MB in the beginning and 246.4 MB in the end (delta: 43.5 MB). Free memory was 138.5 MB in the beginning and 180.2 MB in the end (delta: -41.7 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-12-18 15:11:50,649 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.44 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: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 689.73 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 100.3 MB in the beginning and 160.8 MB in the end (delta: -60.6 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 49.80 ms. Allocated memory is still 202.9 MB. Free memory was 160.2 MB in the beginning and 158.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.74 ms. Allocated memory is still 202.9 MB. Free memory was 158.2 MB in the beginning and 156.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 425.34 ms. Allocated memory is still 202.9 MB. Free memory was 156.9 MB in the beginning and 138.5 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2448.56 ms. Allocated memory was 202.9 MB in the beginning and 246.4 MB in the end (delta: 43.5 MB). Free memory was 138.5 MB in the beginning and 180.2 MB in the end (delta: -41.7 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.4s, 48 ProgramPointsBefore, 16 ProgramPointsAfterwards, 42 TransitionsBefore, 13 TransitionsAfterwards, 234 CoEnabledTransitionPairs, 6 FixpointIterations, 12 TrivialSequentialCompositions, 20 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 141 VarBasedMoverChecksPositive, 14 VarBasedMoverChecksNegative, 2 SemBasedMoverChecksPositive, 15 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 0 MoverChecksTotal, 275 CheckedPairsTotal, 37 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 3 procedures, 42 locations, 1 error locations. Result: SAFE, OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 29 SDtfs, 12 SDslu, 19 SDs, 0 SdLazy, 23 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred 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, 0.3s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 399 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...