/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe008_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 13:34:55,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 13:34:55,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 13:34:55,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 13:34:55,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 13:34:55,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 13:34:55,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 13:34:55,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 13:34:55,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 13:34:55,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 13:34:55,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 13:34:55,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 13:34:55,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 13:34:55,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 13:34:55,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 13:34:55,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 13:34:55,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 13:34:55,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 13:34:55,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 13:34:55,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 13:34:55,777 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 13:34:55,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 13:34:55,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 13:34:55,783 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 13:34:55,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 13:34:55,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 13:34:55,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 13:34:55,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 13:34:55,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 13:34:55,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 13:34:55,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 13:34:55,794 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 13:34:55,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 13:34:55,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 13:34:55,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 13:34:55,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 13:34:55,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 13:34:55,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 13:34:55,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 13:34:55,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 13:34:55,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 13:34:55,806 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2019-12-27 13:34:55,826 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 13:34:55,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 13:34:55,829 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 13:34:55,829 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 13:34:55,829 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 13:34:55,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 13:34:55,830 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 13:34:55,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 13:34:55,830 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 13:34:55,830 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 13:34:55,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 13:34:55,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 13:34:55,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 13:34:55,832 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 13:34:55,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 13:34:55,833 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 13:34:55,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 13:34:55,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 13:34:55,833 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 13:34:55,833 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 13:34:55,834 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 13:34:55,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 13:34:55,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 13:34:55,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 13:34:55,835 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 13:34:55,835 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 13:34:55,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 13:34:55,835 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-27 13:34:55,836 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 13:34:55,836 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 13:34:56,096 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 13:34:56,115 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 13:34:56,118 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 13:34:56,120 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 13:34:56,120 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 13:34:56,121 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe008_tso.opt.i [2019-12-27 13:34:56,189 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55f6b5e1b/989b7ae1c1984f32a3fb4c5db1cb78b6/FLAG17dc35ffc [2019-12-27 13:34:56,770 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 13:34:56,771 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe008_tso.opt.i [2019-12-27 13:34:56,797 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55f6b5e1b/989b7ae1c1984f32a3fb4c5db1cb78b6/FLAG17dc35ffc [2019-12-27 13:34:56,994 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55f6b5e1b/989b7ae1c1984f32a3fb4c5db1cb78b6 [2019-12-27 13:34:57,004 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 13:34:57,006 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 13:34:57,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 13:34:57,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 13:34:57,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 13:34:57,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 01:34:56" (1/1) ... [2019-12-27 13:34:57,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78782fe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 01:34:57, skipping insertion in model container [2019-12-27 13:34:57,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 01:34:56" (1/1) ... [2019-12-27 13:34:57,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 13:34:57,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 13:34:57,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 13:34:57,537 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 13:34:57,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 13:34:57,660 INFO L208 MainTranslator]: Completed translation [2019-12-27 13:34:57,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 01:34:57 WrapperNode [2019-12-27 13:34:57,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 13:34:57,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 13:34:57,662 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 13:34:57,662 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 13:34:57,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 01:34:57" (1/1) ... [2019-12-27 13:34:57,688 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 01:34:57" (1/1) ... [2019-12-27 13:34:57,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 13:34:57,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 13:34:57,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 13:34:57,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 13:34:57,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 01:34:57" (1/1) ... [2019-12-27 13:34:57,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 01:34:57" (1/1) ... [2019-12-27 13:34:57,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 01:34:57" (1/1) ... [2019-12-27 13:34:57,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 01:34:57" (1/1) ... [2019-12-27 13:34:57,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 01:34:57" (1/1) ... [2019-12-27 13:34:57,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 01:34:57" (1/1) ... [2019-12-27 13:34:57,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 01:34:57" (1/1) ... [2019-12-27 13:34:57,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 13:34:57,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 13:34:57,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 13:34:57,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 13:34:57,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 01:34:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 13:34:57,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 13:34:57,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 13:34:57,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 13:34:57,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 13:34:57,800 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-27 13:34:57,801 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-27 13:34:57,801 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-27 13:34:57,801 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-27 13:34:57,801 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-27 13:34:57,801 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-27 13:34:57,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 13:34:57,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 13:34:57,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 13:34:57,803 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 13:34:58,171 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 13:34:58,172 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-27 13:34:58,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 01:34:58 BoogieIcfgContainer [2019-12-27 13:34:58,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 13:34:58,174 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 13:34:58,174 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 13:34:58,178 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 13:34:58,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 01:34:56" (1/3) ... [2019-12-27 13:34:58,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5af4a779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 01:34:58, skipping insertion in model container [2019-12-27 13:34:58,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 01:34:57" (2/3) ... [2019-12-27 13:34:58,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5af4a779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 01:34:58, skipping insertion in model container [2019-12-27 13:34:58,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 01:34:58" (3/3) ... [2019-12-27 13:34:58,181 INFO L109 eAbstractionObserver]: Analyzing ICFG safe008_tso.opt.i [2019-12-27 13:34:58,190 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 13:34:58,190 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 13:34:58,196 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 13:34:58,197 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 13:34:58,235 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 13:34:58,236 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 13:34:58,236 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 13:34:58,238 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 13:34:58,238 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 13:34:58,238 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 13:34:58,239 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 13:34:58,239 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 13:34:58,239 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 13:34:58,240 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 13:34:58,240 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 13:34:58,240 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 13:34:58,241 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 13:34:58,241 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 13:34:58,241 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 13:34:58,241 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 13:34:58,242 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 13:34:58,242 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 13:34:58,245 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 13:34:58,246 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 13:34:58,246 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 13:34:58,246 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 13:34:58,252 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 13:34:58,252 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 13:34:58,253 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 13:34:58,253 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 13:34:58,256 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 13:34:58,257 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 13:34:58,257 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 13:34:58,257 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 13:34:58,276 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-27 13:34:58,293 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 13:34:58,293 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 13:34:58,293 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 13:34:58,294 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 13:34:58,294 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 13:34:58,294 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 13:34:58,294 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 13:34:58,294 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 13:34:58,306 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 63 places, 54 transitions [2019-12-27 13:34:58,414 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1248 states. [2019-12-27 13:34:58,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states. [2019-12-27 13:34:58,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-27 13:34:58,447 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 13:34:58,450 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 13:34:58,450 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 13:34:58,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 13:34:58,457 INFO L82 PathProgramCache]: Analyzing trace with hash -771073264, now seen corresponding path program 1 times [2019-12-27 13:34:58,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 13:34:58,465 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54918777] [2019-12-27 13:34:58,466 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 13:34:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 13:34:58,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 13:34:58,824 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54918777] [2019-12-27 13:34:58,825 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 13:34:58,825 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 13:34:58,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970764583] [2019-12-27 13:34:58,831 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 13:34:58,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 13:34:58,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 13:34:58,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 13:34:58,850 INFO L87 Difference]: Start difference. First operand 1248 states. Second operand 4 states. [2019-12-27 13:34:58,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 13:34:58,957 INFO L93 Difference]: Finished difference Result 1295 states and 3961 transitions. [2019-12-27 13:34:58,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 13:34:58,959 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-12-27 13:34:58,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 13:34:59,006 INFO L225 Difference]: With dead ends: 1295 [2019-12-27 13:34:59,007 INFO L226 Difference]: Without dead ends: 601 [2019-12-27 13:34:59,008 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 13:34:59,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2019-12-27 13:34:59,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2019-12-27 13:34:59,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2019-12-27 13:34:59,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 1776 transitions. [2019-12-27 13:34:59,117 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 1776 transitions. Word has length 31 [2019-12-27 13:34:59,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 13:34:59,118 INFO L462 AbstractCegarLoop]: Abstraction has 601 states and 1776 transitions. [2019-12-27 13:34:59,119 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 13:34:59,119 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1776 transitions. [2019-12-27 13:34:59,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-27 13:34:59,124 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 13:34:59,124 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 13:34:59,124 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 13:34:59,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 13:34:59,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1342943045, now seen corresponding path program 1 times [2019-12-27 13:34:59,126 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 13:34:59,126 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340013713] [2019-12-27 13:34:59,126 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 13:34:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 13:34:59,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 13:34:59,303 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340013713] [2019-12-27 13:34:59,304 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 13:34:59,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-27 13:34:59,304 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308315304] [2019-12-27 13:34:59,306 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 13:34:59,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 13:34:59,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 13:34:59,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 13:34:59,307 INFO L87 Difference]: Start difference. First operand 601 states and 1776 transitions. Second operand 5 states. [2019-12-27 13:34:59,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 13:34:59,385 INFO L93 Difference]: Finished difference Result 601 states and 1695 transitions. [2019-12-27 13:34:59,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-27 13:34:59,386 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-12-27 13:34:59,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 13:34:59,391 INFO L225 Difference]: With dead ends: 601 [2019-12-27 13:34:59,391 INFO L226 Difference]: Without dead ends: 538 [2019-12-27 13:34:59,392 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-27 13:34:59,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-12-27 13:34:59,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-12-27 13:34:59,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-12-27 13:34:59,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 1545 transitions. [2019-12-27 13:34:59,425 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 1545 transitions. Word has length 32 [2019-12-27 13:34:59,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 13:34:59,426 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 1545 transitions. [2019-12-27 13:34:59,426 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 13:34:59,426 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1545 transitions. [2019-12-27 13:34:59,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-27 13:34:59,428 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 13:34:59,428 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 13:34:59,429 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 13:34:59,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 13:34:59,429 INFO L82 PathProgramCache]: Analyzing trace with hash -837131723, now seen corresponding path program 1 times [2019-12-27 13:34:59,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 13:34:59,430 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661434209] [2019-12-27 13:34:59,430 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 13:34:59,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 13:34:59,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 13:34:59,568 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661434209] [2019-12-27 13:34:59,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 13:34:59,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-27 13:34:59,569 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926843142] [2019-12-27 13:34:59,569 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 13:34:59,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 13:34:59,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 13:34:59,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-12-27 13:34:59,570 INFO L87 Difference]: Start difference. First operand 538 states and 1545 transitions. Second operand 6 states. [2019-12-27 13:34:59,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 13:34:59,659 INFO L93 Difference]: Finished difference Result 403 states and 1059 transitions. [2019-12-27 13:34:59,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-27 13:34:59,659 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-12-27 13:34:59,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 13:34:59,662 INFO L225 Difference]: With dead ends: 403 [2019-12-27 13:34:59,662 INFO L226 Difference]: Without dead ends: 349 [2019-12-27 13:34:59,663 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-12-27 13:34:59,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2019-12-27 13:34:59,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2019-12-27 13:34:59,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2019-12-27 13:34:59,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 915 transitions. [2019-12-27 13:34:59,676 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 915 transitions. Word has length 33 [2019-12-27 13:34:59,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 13:34:59,676 INFO L462 AbstractCegarLoop]: Abstraction has 349 states and 915 transitions. [2019-12-27 13:34:59,676 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 13:34:59,677 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 915 transitions. [2019-12-27 13:34:59,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-27 13:34:59,678 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 13:34:59,678 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 13:34:59,679 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 13:34:59,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 13:34:59,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1670484431, now seen corresponding path program 1 times [2019-12-27 13:34:59,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 13:34:59,680 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853286784] [2019-12-27 13:34:59,680 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 13:34:59,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 13:34:59,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 13:34:59,810 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853286784] [2019-12-27 13:34:59,810 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 13:34:59,810 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-27 13:34:59,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321886090] [2019-12-27 13:34:59,811 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 13:34:59,811 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 13:34:59,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 13:34:59,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-27 13:34:59,812 INFO L87 Difference]: Start difference. First operand 349 states and 915 transitions. Second operand 6 states. [2019-12-27 13:34:59,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 13:34:59,947 INFO L93 Difference]: Finished difference Result 529 states and 1416 transitions. [2019-12-27 13:34:59,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-27 13:34:59,948 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-12-27 13:34:59,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 13:34:59,950 INFO L225 Difference]: With dead ends: 529 [2019-12-27 13:34:59,951 INFO L226 Difference]: Without dead ends: 322 [2019-12-27 13:34:59,951 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-27 13:34:59,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2019-12-27 13:34:59,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 304. [2019-12-27 13:34:59,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2019-12-27 13:34:59,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 780 transitions. [2019-12-27 13:34:59,963 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 780 transitions. Word has length 34 [2019-12-27 13:34:59,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 13:34:59,964 INFO L462 AbstractCegarLoop]: Abstraction has 304 states and 780 transitions. [2019-12-27 13:34:59,964 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 13:34:59,964 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 780 transitions. [2019-12-27 13:34:59,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-27 13:34:59,965 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 13:34:59,966 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 13:34:59,966 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 13:34:59,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 13:34:59,967 INFO L82 PathProgramCache]: Analyzing trace with hash -198763125, now seen corresponding path program 2 times [2019-12-27 13:34:59,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 13:34:59,967 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484753892] [2019-12-27 13:34:59,967 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 13:34:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 13:35:00,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 13:35:00,165 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484753892] [2019-12-27 13:35:00,165 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 13:35:00,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-27 13:35:00,166 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972766775] [2019-12-27 13:35:00,166 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-27 13:35:00,167 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 13:35:00,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-27 13:35:00,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-12-27 13:35:00,167 INFO L87 Difference]: Start difference. First operand 304 states and 780 transitions. Second operand 8 states. [2019-12-27 13:35:00,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 13:35:00,309 INFO L93 Difference]: Finished difference Result 466 states and 1239 transitions. [2019-12-27 13:35:00,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-27 13:35:00,310 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-12-27 13:35:00,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 13:35:00,312 INFO L225 Difference]: With dead ends: 466 [2019-12-27 13:35:00,312 INFO L226 Difference]: Without dead ends: 280 [2019-12-27 13:35:00,313 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-12-27 13:35:00,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2019-12-27 13:35:00,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 280. [2019-12-27 13:35:00,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2019-12-27 13:35:00,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 726 transitions. [2019-12-27 13:35:00,322 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 726 transitions. Word has length 34 [2019-12-27 13:35:00,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 13:35:00,322 INFO L462 AbstractCegarLoop]: Abstraction has 280 states and 726 transitions. [2019-12-27 13:35:00,322 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-27 13:35:00,323 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 726 transitions. [2019-12-27 13:35:00,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-27 13:35:00,324 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 13:35:00,324 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 13:35:00,324 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 13:35:00,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 13:35:00,325 INFO L82 PathProgramCache]: Analyzing trace with hash 72488813, now seen corresponding path program 3 times [2019-12-27 13:35:00,325 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 13:35:00,325 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276762742] [2019-12-27 13:35:00,325 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 13:35:00,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 13:35:00,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 13:35:00,439 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276762742] [2019-12-27 13:35:00,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 13:35:00,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-27 13:35:00,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310906595] [2019-12-27 13:35:00,441 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-27 13:35:00,441 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 13:35:00,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-27 13:35:00,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-12-27 13:35:00,442 INFO L87 Difference]: Start difference. First operand 280 states and 726 transitions. Second operand 7 states. [2019-12-27 13:35:00,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 13:35:00,539 INFO L93 Difference]: Finished difference Result 451 states and 1206 transitions. [2019-12-27 13:35:00,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-27 13:35:00,539 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2019-12-27 13:35:00,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 13:35:00,542 INFO L225 Difference]: With dead ends: 451 [2019-12-27 13:35:00,542 INFO L226 Difference]: Without dead ends: 253 [2019-12-27 13:35:00,543 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-12-27 13:35:00,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2019-12-27 13:35:00,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2019-12-27 13:35:00,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2019-12-27 13:35:00,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 672 transitions. [2019-12-27 13:35:00,553 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 672 transitions. Word has length 34 [2019-12-27 13:35:00,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 13:35:00,555 INFO L462 AbstractCegarLoop]: Abstraction has 253 states and 672 transitions. [2019-12-27 13:35:00,555 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-27 13:35:00,555 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 672 transitions. [2019-12-27 13:35:00,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-27 13:35:00,556 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 13:35:00,556 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 13:35:00,557 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 13:35:00,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 13:35:00,557 INFO L82 PathProgramCache]: Analyzing trace with hash -1548790957, now seen corresponding path program 4 times [2019-12-27 13:35:00,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 13:35:00,558 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494416064] [2019-12-27 13:35:00,558 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 13:35:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 13:35:00,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 13:35:00,693 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494416064] [2019-12-27 13:35:00,693 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 13:35:00,693 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-27 13:35:00,694 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683508652] [2019-12-27 13:35:00,695 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-27 13:35:00,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 13:35:00,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-27 13:35:00,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-12-27 13:35:00,697 INFO L87 Difference]: Start difference. First operand 253 states and 672 transitions. Second operand 8 states. [2019-12-27 13:35:00,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 13:35:00,795 INFO L93 Difference]: Finished difference Result 199 states and 510 transitions. [2019-12-27 13:35:00,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-27 13:35:00,795 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-12-27 13:35:00,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 13:35:00,795 INFO L225 Difference]: With dead ends: 199 [2019-12-27 13:35:00,796 INFO L226 Difference]: Without dead ends: 0 [2019-12-27 13:35:00,796 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-12-27 13:35:00,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-27 13:35:00,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-27 13:35:00,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-27 13:35:00,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-27 13:35:00,797 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2019-12-27 13:35:00,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 13:35:00,797 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-27 13:35:00,797 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-27 13:35:00,798 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-27 13:35:00,798 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-27 13:35:00,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 01:35:00 BasicIcfg [2019-12-27 13:35:00,803 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 13:35:00,806 INFO L168 Benchmark]: Toolchain (without parser) took 3799.17 ms. Allocated memory was 138.4 MB in the beginning and 250.6 MB in the end (delta: 112.2 MB). Free memory was 101.8 MB in the beginning and 140.6 MB in the end (delta: -38.8 MB). Peak memory consumption was 73.4 MB. Max. memory is 7.1 GB. [2019-12-27 13:35:00,807 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-27 13:35:00,808 INFO L168 Benchmark]: CACSL2BoogieTranslator took 653.78 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.4 MB in the beginning and 160.8 MB in the end (delta: -59.4 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-12-27 13:35:00,808 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.25 ms. Allocated memory is still 202.9 MB. Free memory was 160.8 MB in the beginning and 158.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-12-27 13:35:00,809 INFO L168 Benchmark]: Boogie Preprocessor took 27.23 ms. Allocated memory is still 202.9 MB. Free memory was 158.5 MB in the beginning and 157.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-27 13:35:00,810 INFO L168 Benchmark]: RCFGBuilder took 433.71 ms. Allocated memory is still 202.9 MB. Free memory was 157.2 MB in the beginning and 136.6 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-12-27 13:35:00,811 INFO L168 Benchmark]: TraceAbstraction took 2628.91 ms. Allocated memory was 202.9 MB in the beginning and 250.6 MB in the end (delta: 47.7 MB). Free memory was 136.0 MB in the beginning and 140.6 MB in the end (delta: -4.6 MB). Peak memory consumption was 43.1 MB. Max. memory is 7.1 GB. [2019-12-27 13:35:00,815 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 653.78 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.4 MB in the beginning and 160.8 MB in the end (delta: -59.4 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 50.25 ms. Allocated memory is still 202.9 MB. Free memory was 160.8 MB in the beginning and 158.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.23 ms. Allocated memory is still 202.9 MB. Free memory was 158.5 MB in the beginning and 157.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 433.71 ms. Allocated memory is still 202.9 MB. Free memory was 157.2 MB in the beginning and 136.6 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2628.91 ms. Allocated memory was 202.9 MB in the beginning and 250.6 MB in the end (delta: 47.7 MB). Free memory was 136.0 MB in the beginning and 140.6 MB in the end (delta: -4.6 MB). Peak memory consumption was 43.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 54 locations, 1 error locations. Result: SAFE, OverallTime: 2.5s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 341 SDtfs, 435 SDslu, 919 SDs, 0 SdLazy, 124 SolverSat, 48 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1248occurred 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: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 18 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 225 ConstructedInterpolants, 0 QuantifiedInterpolants, 22035 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...