/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-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 19:11:22,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 19:11:22,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 19:11:22,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 19:11:22,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 19:11:22,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 19:11:22,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 19:11:22,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 19:11:22,611 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 19:11:22,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 19:11:22,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 19:11:22,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 19:11:22,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 19:11:22,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 19:11:22,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 19:11:22,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 19:11:22,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 19:11:22,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 19:11:22,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 19:11:22,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 19:11:22,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 19:11:22,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 19:11:22,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 19:11:22,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 19:11:22,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-18 19:11:22,644 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-18 19:11:22,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-18 19:11:22,646 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-18 19:11:22,647 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-18 19:11:22,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-18 19:11:22,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 19:11:22,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 19:11:22,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 19:11:22,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 19:11:22,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 19:11:22,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 19:11:22,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 19:11:22,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 19:11:22,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 19:11:22,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 19:11:22,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 19:11:22,655 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-SemanticLbe.epf [2019-12-18 19:11:22,668 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 19:11:22,669 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 19:11:22,670 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 19:11:22,670 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 19:11:22,670 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 19:11:22,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 19:11:22,671 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 19:11:22,671 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 19:11:22,671 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 19:11:22,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 19:11:22,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 19:11:22,672 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 19:11:22,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 19:11:22,672 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 19:11:22,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 19:11:22,673 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 19:11:22,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 19:11:22,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 19:11:22,673 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 19:11:22,673 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 19:11:22,674 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 19:11:22,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 19:11:22,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 19:11:22,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 19:11:22,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 19:11:22,675 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 19:11:22,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 19:11:22,675 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 19:11:22,675 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 19:11:22,940 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 19:11:22,955 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 19:11:22,963 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 19:11:22,965 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 19:11:22,965 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 19:11:22,966 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc.i [2019-12-18 19:11:23,040 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/670865ee5/ab553753455d422f898e2f65606c1a27/FLAG9c88c43dc [2019-12-18 19:11:23,636 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 19:11:23,637 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc.i [2019-12-18 19:11:23,652 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/670865ee5/ab553753455d422f898e2f65606c1a27/FLAG9c88c43dc [2019-12-18 19:11:23,964 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/670865ee5/ab553753455d422f898e2f65606c1a27 [2019-12-18 19:11:23,974 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 19:11:23,977 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 19:11:23,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 19:11:23,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 19:11:23,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 19:11:23,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 07:11:23" (1/1) ... [2019-12-18 19:11:23,985 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@338e9858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:11:23, skipping insertion in model container [2019-12-18 19:11:23,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 07:11:23" (1/1) ... [2019-12-18 19:11:23,994 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 19:11:24,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 19:11:24,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 19:11:24,549 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 19:11:24,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 19:11:24,677 INFO L208 MainTranslator]: Completed translation [2019-12-18 19:11:24,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:11:24 WrapperNode [2019-12-18 19:11:24,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 19:11:24,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 19:11:24,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 19:11:24,678 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 19:11:24,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:11:24" (1/1) ... [2019-12-18 19:11:24,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:11:24" (1/1) ... [2019-12-18 19:11:24,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 19:11:24,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 19:11:24,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 19:11:24,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 19:11:24,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:11:24" (1/1) ... [2019-12-18 19:11:24,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:11:24" (1/1) ... [2019-12-18 19:11:24,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:11:24" (1/1) ... [2019-12-18 19:11:24,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:11:24" (1/1) ... [2019-12-18 19:11:24,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:11:24" (1/1) ... [2019-12-18 19:11:24,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:11:24" (1/1) ... [2019-12-18 19:11:24,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:11:24" (1/1) ... [2019-12-18 19:11:24,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 19:11:24,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 19:11:24,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 19:11:24,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 19:11:24,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:11:24" (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 19:11:24,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 19:11:24,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-18 19:11:24,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 19:11:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 19:11:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-18 19:11:24,827 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-18 19:11:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-18 19:11:24,827 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-18 19:11:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-18 19:11:24,828 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-18 19:11:24,828 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-12-18 19:11:24,828 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-12-18 19:11:24,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-18 19:11:24,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 19:11:24,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 19:11:24,830 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 19:11:25,225 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 19:11:25,226 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-18 19:11:25,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 07:11:25 BoogieIcfgContainer [2019-12-18 19:11:25,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 19:11:25,229 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 19:11:25,229 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 19:11:25,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 19:11:25,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 07:11:23" (1/3) ... [2019-12-18 19:11:25,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67d208c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 07:11:25, skipping insertion in model container [2019-12-18 19:11:25,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:11:24" (2/3) ... [2019-12-18 19:11:25,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67d208c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 07:11:25, skipping insertion in model container [2019-12-18 19:11:25,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 07:11:25" (3/3) ... [2019-12-18 19:11:25,236 INFO L109 eAbstractionObserver]: Analyzing ICFG thin002_pso.oepc.i [2019-12-18 19:11:25,246 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 19:11:25,246 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 19:11:25,253 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-18 19:11:25,254 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 19:11:25,285 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,285 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,285 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,286 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,286 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,286 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,287 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,287 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,287 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,287 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,288 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,288 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,289 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,289 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,289 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,289 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,290 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,290 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,290 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,291 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,291 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,291 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,291 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,292 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,296 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,296 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,297 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,297 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,302 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,303 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,303 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,303 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,307 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,308 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,308 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,309 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,317 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,318 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,319 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,320 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:11:25,337 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-18 19:11:25,354 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 19:11:25,354 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 19:11:25,354 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 19:11:25,355 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 19:11:25,355 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 19:11:25,355 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 19:11:25,355 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 19:11:25,355 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 19:11:25,367 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 67 transitions [2019-12-18 19:11:25,369 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 79 places, 67 transitions [2019-12-18 19:11:25,409 INFO L126 PetriNetUnfolder]: 1/63 cut-off events. [2019-12-18 19:11:25,410 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 19:11:25,417 INFO L76 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 63 events. 1/63 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 26 event pairs. 12/73 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-18 19:11:25,420 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 79 places, 67 transitions [2019-12-18 19:11:25,440 INFO L126 PetriNetUnfolder]: 1/63 cut-off events. [2019-12-18 19:11:25,440 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 19:11:25,442 INFO L76 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 63 events. 1/63 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 26 event pairs. 12/73 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-18 19:11:25,444 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 732 [2019-12-18 19:11:25,445 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-18 19:11:27,023 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-12-18 19:11:27,092 INFO L206 etLargeBlockEncoding]: Checked pairs total: 723 [2019-12-18 19:11:27,093 INFO L214 etLargeBlockEncoding]: Total number of compositions: 56 [2019-12-18 19:11:27,096 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 21 transitions [2019-12-18 19:11:27,111 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 110 states. [2019-12-18 19:11:27,113 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2019-12-18 19:11:27,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-18 19:11:27,120 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:11:27,121 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 19:11:27,121 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 19:11:27,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:11:27,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1014881653, now seen corresponding path program 1 times [2019-12-18 19:11:27,133 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:11:27,133 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993928800] [2019-12-18 19:11:27,133 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:11:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:11:27,354 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 19:11:27,355 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993928800] [2019-12-18 19:11:27,356 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:11:27,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 19:11:27,357 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994914859] [2019-12-18 19:11:27,362 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 19:11:27,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:11:27,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 19:11:27,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 19:11:27,378 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 3 states. [2019-12-18 19:11:27,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:11:27,414 INFO L93 Difference]: Finished difference Result 102 states and 260 transitions. [2019-12-18 19:11:27,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 19:11:27,416 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-18 19:11:27,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:11:27,429 INFO L225 Difference]: With dead ends: 102 [2019-12-18 19:11:27,429 INFO L226 Difference]: Without dead ends: 70 [2019-12-18 19:11:27,431 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 19:11:27,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-12-18 19:11:27,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-12-18 19:11:27,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-12-18 19:11:27,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 164 transitions. [2019-12-18 19:11:27,474 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 164 transitions. Word has length 10 [2019-12-18 19:11:27,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:11:27,475 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 164 transitions. [2019-12-18 19:11:27,475 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 19:11:27,476 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 164 transitions. [2019-12-18 19:11:27,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-18 19:11:27,477 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:11:27,477 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 19:11:27,477 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 19:11:27,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:11:27,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1396559818, now seen corresponding path program 1 times [2019-12-18 19:11:27,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:11:27,478 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838535444] [2019-12-18 19:11:27,479 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:11:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:11:27,563 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 19:11:27,564 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838535444] [2019-12-18 19:11:27,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:11:27,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 19:11:27,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952538744] [2019-12-18 19:11:27,566 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 19:11:27,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:11:27,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 19:11:27,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 19:11:27,567 INFO L87 Difference]: Start difference. First operand 70 states and 164 transitions. Second operand 4 states. [2019-12-18 19:11:27,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:11:27,591 INFO L93 Difference]: Finished difference Result 74 states and 164 transitions. [2019-12-18 19:11:27,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 19:11:27,591 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-18 19:11:27,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:11:27,593 INFO L225 Difference]: With dead ends: 74 [2019-12-18 19:11:27,593 INFO L226 Difference]: Without dead ends: 58 [2019-12-18 19:11:27,594 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 19:11:27,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2019-12-18 19:11:27,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2019-12-18 19:11:27,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-12-18 19:11:27,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 124 transitions. [2019-12-18 19:11:27,601 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 124 transitions. Word has length 11 [2019-12-18 19:11:27,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:11:27,602 INFO L462 AbstractCegarLoop]: Abstraction has 58 states and 124 transitions. [2019-12-18 19:11:27,602 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 19:11:27,602 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 124 transitions. [2019-12-18 19:11:27,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-18 19:11:27,603 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:11:27,603 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 19:11:27,604 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 19:11:27,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:11:27,604 INFO L82 PathProgramCache]: Analyzing trace with hash 37410345, now seen corresponding path program 1 times [2019-12-18 19:11:27,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:11:27,605 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786005868] [2019-12-18 19:11:27,605 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:11:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:11:27,678 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 19:11:27,679 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786005868] [2019-12-18 19:11:27,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:11:27,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 19:11:27,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884167303] [2019-12-18 19:11:27,680 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 19:11:27,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:11:27,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 19:11:27,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 19:11:27,681 INFO L87 Difference]: Start difference. First operand 58 states and 124 transitions. Second operand 4 states. [2019-12-18 19:11:27,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:11:27,706 INFO L93 Difference]: Finished difference Result 68 states and 137 transitions. [2019-12-18 19:11:27,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 19:11:27,706 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-12-18 19:11:27,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:11:27,707 INFO L225 Difference]: With dead ends: 68 [2019-12-18 19:11:27,707 INFO L226 Difference]: Without dead ends: 44 [2019-12-18 19:11:27,708 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 19:11:27,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-12-18 19:11:27,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-12-18 19:11:27,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-12-18 19:11:27,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 81 transitions. [2019-12-18 19:11:27,714 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 81 transitions. Word has length 12 [2019-12-18 19:11:27,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:11:27,714 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 81 transitions. [2019-12-18 19:11:27,714 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 19:11:27,715 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2019-12-18 19:11:27,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-18 19:11:27,715 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:11:27,715 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 19:11:27,716 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 19:11:27,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:11:27,716 INFO L82 PathProgramCache]: Analyzing trace with hash 2064287004, now seen corresponding path program 1 times [2019-12-18 19:11:27,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:11:27,717 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5381473] [2019-12-18 19:11:27,717 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:11:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:11:27,770 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 19:11:27,771 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5381473] [2019-12-18 19:11:27,771 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:11:27,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 19:11:27,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486099979] [2019-12-18 19:11:27,772 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 19:11:27,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:11:27,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 19:11:27,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 19:11:27,773 INFO L87 Difference]: Start difference. First operand 44 states and 81 transitions. Second operand 3 states. [2019-12-18 19:11:27,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:11:27,779 INFO L93 Difference]: Finished difference Result 43 states and 79 transitions. [2019-12-18 19:11:27,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 19:11:27,780 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-12-18 19:11:27,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:11:27,780 INFO L225 Difference]: With dead ends: 43 [2019-12-18 19:11:27,781 INFO L226 Difference]: Without dead ends: 43 [2019-12-18 19:11:27,781 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 19:11:27,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-12-18 19:11:27,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-12-18 19:11:27,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-12-18 19:11:27,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 79 transitions. [2019-12-18 19:11:27,786 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 79 transitions. Word has length 13 [2019-12-18 19:11:27,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:11:27,786 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 79 transitions. [2019-12-18 19:11:27,787 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 19:11:27,787 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2019-12-18 19:11:27,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-18 19:11:27,787 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:11:27,788 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 19:11:27,788 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 19:11:27,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:11:27,788 INFO L82 PathProgramCache]: Analyzing trace with hash -432128726, now seen corresponding path program 1 times [2019-12-18 19:11:27,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:11:27,789 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590537863] [2019-12-18 19:11:27,789 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:11:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:11:27,877 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 19:11:27,877 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590537863] [2019-12-18 19:11:27,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:11:27,878 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 19:11:27,878 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091837985] [2019-12-18 19:11:27,878 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 19:11:27,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:11:27,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 19:11:27,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 19:11:27,879 INFO L87 Difference]: Start difference. First operand 43 states and 79 transitions. Second operand 4 states. [2019-12-18 19:11:27,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:11:27,907 INFO L93 Difference]: Finished difference Result 45 states and 80 transitions. [2019-12-18 19:11:27,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 19:11:27,908 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-12-18 19:11:27,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:11:27,909 INFO L225 Difference]: With dead ends: 45 [2019-12-18 19:11:27,909 INFO L226 Difference]: Without dead ends: 25 [2019-12-18 19:11:27,909 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 19:11:27,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-12-18 19:11:27,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-12-18 19:11:27,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-12-18 19:11:27,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 34 transitions. [2019-12-18 19:11:27,912 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 34 transitions. Word has length 14 [2019-12-18 19:11:27,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:11:27,912 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 34 transitions. [2019-12-18 19:11:27,913 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 19:11:27,916 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2019-12-18 19:11:27,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-18 19:11:27,916 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:11:27,917 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 19:11:27,917 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 19:11:27,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:11:27,917 INFO L82 PathProgramCache]: Analyzing trace with hash -431612576, now seen corresponding path program 2 times [2019-12-18 19:11:27,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:11:27,918 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295070749] [2019-12-18 19:11:27,918 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:11:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:11:27,981 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 19:11:27,981 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295070749] [2019-12-18 19:11:27,981 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:11:27,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 19:11:27,982 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475399838] [2019-12-18 19:11:27,983 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 19:11:27,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:11:27,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 19:11:27,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 19:11:27,984 INFO L87 Difference]: Start difference. First operand 25 states and 34 transitions. Second operand 4 states. [2019-12-18 19:11:27,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:11:27,997 INFO L93 Difference]: Finished difference Result 24 states and 33 transitions. [2019-12-18 19:11:27,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 19:11:27,998 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-12-18 19:11:27,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:11:27,998 INFO L225 Difference]: With dead ends: 24 [2019-12-18 19:11:27,998 INFO L226 Difference]: Without dead ends: 0 [2019-12-18 19:11:27,999 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 19:11:27,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-18 19:11:27,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-18 19:11:27,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-18 19:11:27,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-18 19:11:27,999 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-12-18 19:11:28,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:11:28,000 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-18 19:11:28,000 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 19:11:28,000 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-18 19:11:28,000 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-18 19:11:28,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 07:11:28 BasicIcfg [2019-12-18 19:11:28,004 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-18 19:11:28,006 INFO L168 Benchmark]: Toolchain (without parser) took 4030.01 ms. Allocated memory was 145.2 MB in the beginning and 246.9 MB in the end (delta: 101.7 MB). Free memory was 100.3 MB in the beginning and 93.8 MB in the end (delta: 6.5 MB). Peak memory consumption was 108.2 MB. Max. memory is 7.1 GB. [2019-12-18 19:11:28,007 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.2 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 19:11:28,008 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.25 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 99.9 MB in the beginning and 158.1 MB in the end (delta: -58.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2019-12-18 19:11:28,009 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.09 ms. Allocated memory is still 201.9 MB. Free memory was 158.1 MB in the beginning and 156.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-12-18 19:11:28,010 INFO L168 Benchmark]: Boogie Preprocessor took 26.11 ms. Allocated memory is still 201.9 MB. Free memory was 156.2 MB in the beginning and 154.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-12-18 19:11:28,011 INFO L168 Benchmark]: RCFGBuilder took 459.91 ms. Allocated memory is still 201.9 MB. Free memory was 154.2 MB in the beginning and 131.9 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2019-12-18 19:11:28,013 INFO L168 Benchmark]: TraceAbstraction took 2775.25 ms. Allocated memory was 201.9 MB in the beginning and 246.9 MB in the end (delta: 45.1 MB). Free memory was 131.2 MB in the beginning and 93.8 MB in the end (delta: 37.4 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. [2019-12-18 19:11:28,027 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.2 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 700.25 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 99.9 MB in the beginning and 158.1 MB in the end (delta: -58.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 63.09 ms. Allocated memory is still 201.9 MB. Free memory was 158.1 MB in the beginning and 156.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.11 ms. Allocated memory is still 201.9 MB. Free memory was 156.2 MB in the beginning and 154.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 459.91 ms. Allocated memory is still 201.9 MB. Free memory was 154.2 MB in the beginning and 131.9 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2775.25 ms. Allocated memory was 201.9 MB in the beginning and 246.9 MB in the end (delta: 45.1 MB). Free memory was 131.2 MB in the beginning and 93.8 MB in the end (delta: 37.4 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.7s, 79 ProgramPointsBefore, 28 ProgramPointsAfterwards, 67 TransitionsBefore, 21 TransitionsAfterwards, 732 CoEnabledTransitionPairs, 7 FixpointIterations, 17 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 358 VarBasedMoverChecksPositive, 12 VarBasedMoverChecksNegative, 2 SemBasedMoverChecksPositive, 14 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 0 MoverChecksTotal, 723 CheckedPairsTotal, 56 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 5 procedures, 67 locations, 1 error locations. Result: SAFE, OverallTime: 2.6s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 80 SDtfs, 60 SDslu, 41 SDs, 0 SdLazy, 23 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=110occurred 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, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 2352 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...