./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe015_pso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe015_pso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e9b1c96eed0367583bf25a0e47ad0463a90fc1bd .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 03:04:57,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 03:04:57,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 03:04:57,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 03:04:57,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 03:04:57,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 03:04:57,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 03:04:57,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 03:04:57,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 03:04:57,798 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 03:04:57,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 03:04:57,800 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 03:04:57,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 03:04:57,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 03:04:57,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 03:04:57,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 03:04:57,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 03:04:57,805 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 03:04:57,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 03:04:57,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 03:04:57,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 03:04:57,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 03:04:57,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 03:04:57,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 03:04:57,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 03:04:57,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 03:04:57,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 03:04:57,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 03:04:57,827 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 03:04:57,828 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 03:04:57,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 03:04:57,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 03:04:57,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 03:04:57,832 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 03:04:57,833 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 03:04:57,834 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 03:04:57,835 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 03:04:57,835 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 03:04:57,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 03:04:57,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 03:04:57,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 03:04:57,839 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 03:04:57,886 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 03:04:57,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 03:04:57,890 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 03:04:57,890 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 03:04:57,891 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 03:04:57,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 03:04:57,892 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 03:04:57,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 03:04:57,892 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 03:04:57,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 03:04:57,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 03:04:57,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 03:04:57,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 03:04:57,895 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 03:04:57,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 03:04:57,896 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 03:04:57,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 03:04:57,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 03:04:57,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 03:04:57,897 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 03:04:57,897 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 03:04:57,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 03:04:57,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 03:04:57,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 03:04:57,899 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 03:04:57,899 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 03:04:57,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 03:04:57,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 03:04:57,900 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 03:04:57,900 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9b1c96eed0367583bf25a0e47ad0463a90fc1bd [2020-10-20 03:04:58,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 03:04:58,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 03:04:58,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 03:04:58,142 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 03:04:58,142 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 03:04:58,143 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe015_pso.opt.i [2020-10-20 03:04:58,208 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d32657705/a75b3b5102974833a3acb46984e65a09/FLAG06d3dd152 [2020-10-20 03:04:58,722 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 03:04:58,723 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe015_pso.opt.i [2020-10-20 03:04:58,738 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d32657705/a75b3b5102974833a3acb46984e65a09/FLAG06d3dd152 [2020-10-20 03:04:59,218 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d32657705/a75b3b5102974833a3acb46984e65a09 [2020-10-20 03:04:59,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 03:04:59,228 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 03:04:59,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 03:04:59,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 03:04:59,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 03:04:59,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 03:04:59" (1/1) ... [2020-10-20 03:04:59,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3947e891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:04:59, skipping insertion in model container [2020-10-20 03:04:59,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 03:04:59" (1/1) ... [2020-10-20 03:04:59,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 03:04:59,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 03:04:59,727 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 03:04:59,738 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 03:04:59,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 03:04:59,941 INFO L208 MainTranslator]: Completed translation [2020-10-20 03:04:59,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:04:59 WrapperNode [2020-10-20 03:04:59,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 03:04:59,944 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 03:04:59,944 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 03:04:59,945 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 03:04:59,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:04:59" (1/1) ... [2020-10-20 03:04:59,993 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:04:59" (1/1) ... [2020-10-20 03:05:00,024 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 03:05:00,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 03:05:00,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 03:05:00,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 03:05:00,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:04:59" (1/1) ... [2020-10-20 03:05:00,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:04:59" (1/1) ... [2020-10-20 03:05:00,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:04:59" (1/1) ... [2020-10-20 03:05:00,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:04:59" (1/1) ... [2020-10-20 03:05:00,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:04:59" (1/1) ... [2020-10-20 03:05:00,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:04:59" (1/1) ... [2020-10-20 03:05:00,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:04:59" (1/1) ... [2020-10-20 03:05:00,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 03:05:00,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 03:05:00,083 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 03:05:00,083 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 03:05:00,084 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:04:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 03:05:00,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 03:05:00,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-20 03:05:00,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 03:05:00,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 03:05:00,160 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-20 03:05:00,161 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-20 03:05:00,161 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-20 03:05:00,161 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-20 03:05:00,161 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-20 03:05:00,161 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-20 03:05:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 03:05:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-20 03:05:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 03:05:00,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 03:05:00,164 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-20 03:05:00,532 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 03:05:00,533 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-20 03:05:00,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 03:05:00 BoogieIcfgContainer [2020-10-20 03:05:00,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 03:05:00,536 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 03:05:00,537 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 03:05:00,540 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 03:05:00,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 03:04:59" (1/3) ... [2020-10-20 03:05:00,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff65bfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 03:05:00, skipping insertion in model container [2020-10-20 03:05:00,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:04:59" (2/3) ... [2020-10-20 03:05:00,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff65bfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 03:05:00, skipping insertion in model container [2020-10-20 03:05:00,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 03:05:00" (3/3) ... [2020-10-20 03:05:00,544 INFO L111 eAbstractionObserver]: Analyzing ICFG safe015_pso.opt.i [2020-10-20 03:05:00,556 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-20 03:05:00,556 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 03:05:00,563 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 03:05:00,564 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-20 03:05:00,592 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:05:00,593 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:05:00,593 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:05:00,593 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:05:00,594 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:05:00,594 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:05:00,595 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:05:00,595 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:05:00,595 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:05:00,596 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:05:00,596 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:05:00,596 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:05:00,597 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:05:00,597 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:05:00,597 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:05:00,597 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:05:00,598 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:05:00,598 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:05:00,602 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:05:00,602 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:05:00,603 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:05:00,603 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:05:00,609 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:05:00,609 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:05:00,609 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:05:00,609 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:05:00,612 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:05:00,612 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:05:00,612 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:05:00,612 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:05:00,615 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-20 03:05:00,628 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-20 03:05:00,647 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 03:05:00,647 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 03:05:00,647 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 03:05:00,647 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 03:05:00,648 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 03:05:00,648 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 03:05:00,649 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 03:05:00,649 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 03:05:00,660 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-20 03:05:00,663 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 78 transitions, 171 flow [2020-10-20 03:05:00,665 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 78 transitions, 171 flow [2020-10-20 03:05:00,666 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 85 places, 78 transitions, 171 flow [2020-10-20 03:05:00,712 INFO L129 PetriNetUnfolder]: 3/75 cut-off events. [2020-10-20 03:05:00,712 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-20 03:05:00,719 INFO L80 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 75 events. 3/75 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 57 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2020-10-20 03:05:00,722 INFO L117 LiptonReduction]: Number of co-enabled transitions 1440 [2020-10-20 03:05:02,857 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2020-10-20 03:05:02,940 INFO L132 LiptonReduction]: Checked pairs total: 2774 [2020-10-20 03:05:02,941 INFO L134 LiptonReduction]: Total number of compositions: 73 [2020-10-20 03:05:02,947 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 22 transitions, 59 flow [2020-10-20 03:05:02,974 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 298 states. [2020-10-20 03:05:02,976 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states. [2020-10-20 03:05:02,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-20 03:05:02,984 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 03:05:02,985 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 03:05:02,985 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 03:05:02,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 03:05:02,991 INFO L82 PathProgramCache]: Analyzing trace with hash -1189021961, now seen corresponding path program 1 times [2020-10-20 03:05:03,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 03:05:03,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407402340] [2020-10-20 03:05:03,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 03:05:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 03:05:03,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 03:05:03,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407402340] [2020-10-20 03:05:03,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 03:05:03,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-20 03:05:03,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811340640] [2020-10-20 03:05:03,215 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 03:05:03,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 03:05:03,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 03:05:03,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 03:05:03,233 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 3 states. [2020-10-20 03:05:03,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 03:05:03,286 INFO L93 Difference]: Finished difference Result 282 states and 808 transitions. [2020-10-20 03:05:03,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 03:05:03,288 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-20 03:05:03,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 03:05:03,307 INFO L225 Difference]: With dead ends: 282 [2020-10-20 03:05:03,307 INFO L226 Difference]: Without dead ends: 218 [2020-10-20 03:05:03,309 INFO L677 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 [2020-10-20 03:05:03,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-10-20 03:05:03,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2020-10-20 03:05:03,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-10-20 03:05:03,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 600 transitions. [2020-10-20 03:05:03,374 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 600 transitions. Word has length 8 [2020-10-20 03:05:03,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 03:05:03,375 INFO L481 AbstractCegarLoop]: Abstraction has 218 states and 600 transitions. [2020-10-20 03:05:03,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 03:05:03,376 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 600 transitions. [2020-10-20 03:05:03,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-20 03:05:03,377 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 03:05:03,377 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 03:05:03,378 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 03:05:03,378 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 03:05:03,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 03:05:03,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1771488223, now seen corresponding path program 1 times [2020-10-20 03:05:03,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 03:05:03,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485870597] [2020-10-20 03:05:03,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 03:05:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 03:05:03,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 03:05:03,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485870597] [2020-10-20 03:05:03,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 03:05:03,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 03:05:03,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620355612] [2020-10-20 03:05:03,456 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 03:05:03,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 03:05:03,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 03:05:03,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 03:05:03,457 INFO L87 Difference]: Start difference. First operand 218 states and 600 transitions. Second operand 3 states. [2020-10-20 03:05:03,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 03:05:03,473 INFO L93 Difference]: Finished difference Result 202 states and 544 transitions. [2020-10-20 03:05:03,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 03:05:03,474 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-20 03:05:03,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 03:05:03,476 INFO L225 Difference]: With dead ends: 202 [2020-10-20 03:05:03,476 INFO L226 Difference]: Without dead ends: 202 [2020-10-20 03:05:03,477 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 03:05:03,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-10-20 03:05:03,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2020-10-20 03:05:03,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-10-20 03:05:03,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 544 transitions. [2020-10-20 03:05:03,494 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 544 transitions. Word has length 9 [2020-10-20 03:05:03,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 03:05:03,495 INFO L481 AbstractCegarLoop]: Abstraction has 202 states and 544 transitions. [2020-10-20 03:05:03,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 03:05:03,495 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 544 transitions. [2020-10-20 03:05:03,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-20 03:05:03,497 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 03:05:03,497 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 03:05:03,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 03:05:03,497 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 03:05:03,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 03:05:03,498 INFO L82 PathProgramCache]: Analyzing trace with hash -918442191, now seen corresponding path program 1 times [2020-10-20 03:05:03,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 03:05:03,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971167416] [2020-10-20 03:05:03,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 03:05:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 03:05:03,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 03:05:03,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971167416] [2020-10-20 03:05:03,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 03:05:03,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-20 03:05:03,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707282191] [2020-10-20 03:05:03,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 03:05:03,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 03:05:03,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 03:05:03,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 03:05:03,550 INFO L87 Difference]: Start difference. First operand 202 states and 544 transitions. Second operand 3 states. [2020-10-20 03:05:03,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 03:05:03,557 INFO L93 Difference]: Finished difference Result 198 states and 530 transitions. [2020-10-20 03:05:03,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 03:05:03,557 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-20 03:05:03,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 03:05:03,559 INFO L225 Difference]: With dead ends: 198 [2020-10-20 03:05:03,559 INFO L226 Difference]: Without dead ends: 198 [2020-10-20 03:05:03,560 INFO L677 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 [2020-10-20 03:05:03,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2020-10-20 03:05:03,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2020-10-20 03:05:03,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2020-10-20 03:05:03,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 530 transitions. [2020-10-20 03:05:03,573 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 530 transitions. Word has length 10 [2020-10-20 03:05:03,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 03:05:03,574 INFO L481 AbstractCegarLoop]: Abstraction has 198 states and 530 transitions. [2020-10-20 03:05:03,574 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 03:05:03,574 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 530 transitions. [2020-10-20 03:05:03,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 03:05:03,576 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 03:05:03,576 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 03:05:03,576 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 03:05:03,577 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 03:05:03,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 03:05:03,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1593061887, now seen corresponding path program 1 times [2020-10-20 03:05:03,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 03:05:03,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116205971] [2020-10-20 03:05:03,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 03:05:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 03:05:03,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 03:05:03,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116205971] [2020-10-20 03:05:03,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 03:05:03,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-20 03:05:03,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65531001] [2020-10-20 03:05:03,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 03:05:03,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 03:05:03,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 03:05:03,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 03:05:03,628 INFO L87 Difference]: Start difference. First operand 198 states and 530 transitions. Second operand 3 states. [2020-10-20 03:05:03,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 03:05:03,633 INFO L93 Difference]: Finished difference Result 192 states and 511 transitions. [2020-10-20 03:05:03,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 03:05:03,634 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-20 03:05:03,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 03:05:03,636 INFO L225 Difference]: With dead ends: 192 [2020-10-20 03:05:03,636 INFO L226 Difference]: Without dead ends: 192 [2020-10-20 03:05:03,637 INFO L677 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 [2020-10-20 03:05:03,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-10-20 03:05:03,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2020-10-20 03:05:03,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-10-20 03:05:03,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 511 transitions. [2020-10-20 03:05:03,647 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 511 transitions. Word has length 11 [2020-10-20 03:05:03,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 03:05:03,647 INFO L481 AbstractCegarLoop]: Abstraction has 192 states and 511 transitions. [2020-10-20 03:05:03,648 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 03:05:03,648 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 511 transitions. [2020-10-20 03:05:03,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 03:05:03,650 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 03:05:03,650 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 03:05:03,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 03:05:03,651 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 03:05:03,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 03:05:03,651 INFO L82 PathProgramCache]: Analyzing trace with hash 2114610558, now seen corresponding path program 1 times [2020-10-20 03:05:03,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 03:05:03,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199350959] [2020-10-20 03:05:03,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 03:05:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 03:05:03,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 03:05:03,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199350959] [2020-10-20 03:05:03,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 03:05:03,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 03:05:03,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062937621] [2020-10-20 03:05:03,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 03:05:03,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 03:05:03,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 03:05:03,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 03:05:03,690 INFO L87 Difference]: Start difference. First operand 192 states and 511 transitions. Second operand 3 states. [2020-10-20 03:05:03,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 03:05:03,702 INFO L93 Difference]: Finished difference Result 248 states and 635 transitions. [2020-10-20 03:05:03,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 03:05:03,703 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-20 03:05:03,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 03:05:03,705 INFO L225 Difference]: With dead ends: 248 [2020-10-20 03:05:03,705 INFO L226 Difference]: Without dead ends: 200 [2020-10-20 03:05:03,705 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 03:05:03,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-10-20 03:05:03,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 188. [2020-10-20 03:05:03,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-10-20 03:05:03,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 475 transitions. [2020-10-20 03:05:03,715 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 475 transitions. Word has length 12 [2020-10-20 03:05:03,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 03:05:03,715 INFO L481 AbstractCegarLoop]: Abstraction has 188 states and 475 transitions. [2020-10-20 03:05:03,716 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 03:05:03,716 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 475 transitions. [2020-10-20 03:05:03,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 03:05:03,718 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 03:05:03,718 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 03:05:03,718 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 03:05:03,718 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 03:05:03,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 03:05:03,719 INFO L82 PathProgramCache]: Analyzing trace with hash 2115787814, now seen corresponding path program 1 times [2020-10-20 03:05:03,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 03:05:03,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906160060] [2020-10-20 03:05:03,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 03:05:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 03:05:03,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 03:05:03,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906160060] [2020-10-20 03:05:03,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 03:05:03,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 03:05:03,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405920805] [2020-10-20 03:05:03,761 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 03:05:03,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 03:05:03,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 03:05:03,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 03:05:03,763 INFO L87 Difference]: Start difference. First operand 188 states and 475 transitions. Second operand 4 states. [2020-10-20 03:05:03,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 03:05:03,807 INFO L93 Difference]: Finished difference Result 260 states and 643 transitions. [2020-10-20 03:05:03,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 03:05:03,808 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-20 03:05:03,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 03:05:03,810 INFO L225 Difference]: With dead ends: 260 [2020-10-20 03:05:03,810 INFO L226 Difference]: Without dead ends: 188 [2020-10-20 03:05:03,810 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 03:05:03,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-10-20 03:05:03,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2020-10-20 03:05:03,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-10-20 03:05:03,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 467 transitions. [2020-10-20 03:05:03,818 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 467 transitions. Word has length 12 [2020-10-20 03:05:03,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 03:05:03,819 INFO L481 AbstractCegarLoop]: Abstraction has 188 states and 467 transitions. [2020-10-20 03:05:03,819 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 03:05:03,819 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 467 transitions. [2020-10-20 03:05:03,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 03:05:03,821 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 03:05:03,821 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 03:05:03,822 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 03:05:03,822 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 03:05:03,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 03:05:03,822 INFO L82 PathProgramCache]: Analyzing trace with hash 2140264484, now seen corresponding path program 2 times [2020-10-20 03:05:03,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 03:05:03,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282101042] [2020-10-20 03:05:03,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 03:05:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 03:05:03,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 03:05:03,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282101042] [2020-10-20 03:05:03,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 03:05:03,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 03:05:03,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47733336] [2020-10-20 03:05:03,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 03:05:03,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 03:05:03,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 03:05:03,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 03:05:03,892 INFO L87 Difference]: Start difference. First operand 188 states and 467 transitions. Second operand 4 states. [2020-10-20 03:05:03,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 03:05:03,925 INFO L93 Difference]: Finished difference Result 221 states and 507 transitions. [2020-10-20 03:05:03,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 03:05:03,926 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-20 03:05:03,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 03:05:03,927 INFO L225 Difference]: With dead ends: 221 [2020-10-20 03:05:03,927 INFO L226 Difference]: Without dead ends: 157 [2020-10-20 03:05:03,928 INFO L677 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 [2020-10-20 03:05:03,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-10-20 03:05:03,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2020-10-20 03:05:03,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-10-20 03:05:03,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 352 transitions. [2020-10-20 03:05:03,935 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 352 transitions. Word has length 12 [2020-10-20 03:05:03,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 03:05:03,935 INFO L481 AbstractCegarLoop]: Abstraction has 157 states and 352 transitions. [2020-10-20 03:05:03,936 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 03:05:03,936 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 352 transitions. [2020-10-20 03:05:03,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 03:05:03,937 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 03:05:03,938 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 03:05:03,938 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 03:05:03,938 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 03:05:03,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 03:05:03,939 INFO L82 PathProgramCache]: Analyzing trace with hash 596662620, now seen corresponding path program 1 times [2020-10-20 03:05:03,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 03:05:03,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605277980] [2020-10-20 03:05:03,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 03:05:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 03:05:04,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 03:05:04,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605277980] [2020-10-20 03:05:04,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 03:05:04,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 03:05:04,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022108007] [2020-10-20 03:05:04,011 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 03:05:04,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 03:05:04,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 03:05:04,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-20 03:05:04,013 INFO L87 Difference]: Start difference. First operand 157 states and 352 transitions. Second operand 5 states. [2020-10-20 03:05:04,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 03:05:04,060 INFO L93 Difference]: Finished difference Result 159 states and 336 transitions. [2020-10-20 03:05:04,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 03:05:04,061 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-20 03:05:04,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 03:05:04,062 INFO L225 Difference]: With dead ends: 159 [2020-10-20 03:05:04,062 INFO L226 Difference]: Without dead ends: 122 [2020-10-20 03:05:04,063 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-20 03:05:04,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-10-20 03:05:04,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2020-10-20 03:05:04,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-10-20 03:05:04,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 253 transitions. [2020-10-20 03:05:04,067 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 253 transitions. Word has length 13 [2020-10-20 03:05:04,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 03:05:04,068 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 253 transitions. [2020-10-20 03:05:04,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 03:05:04,068 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 253 transitions. [2020-10-20 03:05:04,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-20 03:05:04,069 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 03:05:04,069 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 03:05:04,070 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 03:05:04,070 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 03:05:04,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 03:05:04,071 INFO L82 PathProgramCache]: Analyzing trace with hash 2125100997, now seen corresponding path program 1 times [2020-10-20 03:05:04,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 03:05:04,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402652897] [2020-10-20 03:05:04,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 03:05:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 03:05:04,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 03:05:04,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402652897] [2020-10-20 03:05:04,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 03:05:04,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 03:05:04,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995722383] [2020-10-20 03:05:04,134 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 03:05:04,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 03:05:04,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 03:05:04,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-20 03:05:04,134 INFO L87 Difference]: Start difference. First operand 122 states and 253 transitions. Second operand 6 states. [2020-10-20 03:05:04,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 03:05:04,182 INFO L93 Difference]: Finished difference Result 118 states and 243 transitions. [2020-10-20 03:05:04,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 03:05:04,183 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-20 03:05:04,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 03:05:04,183 INFO L225 Difference]: With dead ends: 118 [2020-10-20 03:05:04,184 INFO L226 Difference]: Without dead ends: 54 [2020-10-20 03:05:04,184 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-20 03:05:04,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-10-20 03:05:04,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2020-10-20 03:05:04,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-20 03:05:04,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 97 transitions. [2020-10-20 03:05:04,186 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 97 transitions. Word has length 15 [2020-10-20 03:05:04,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 03:05:04,187 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 97 transitions. [2020-10-20 03:05:04,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 03:05:04,187 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 97 transitions. [2020-10-20 03:05:04,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 03:05:04,188 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 03:05:04,188 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 03:05:04,188 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 03:05:04,189 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 03:05:04,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 03:05:04,189 INFO L82 PathProgramCache]: Analyzing trace with hash 2097589764, now seen corresponding path program 1 times [2020-10-20 03:05:04,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 03:05:04,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616552956] [2020-10-20 03:05:04,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 03:05:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 03:05:04,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 03:05:04,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616552956] [2020-10-20 03:05:04,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 03:05:04,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 03:05:04,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461845409] [2020-10-20 03:05:04,221 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 03:05:04,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 03:05:04,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 03:05:04,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 03:05:04,221 INFO L87 Difference]: Start difference. First operand 54 states and 97 transitions. Second operand 4 states. [2020-10-20 03:05:04,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 03:05:04,238 INFO L93 Difference]: Finished difference Result 63 states and 110 transitions. [2020-10-20 03:05:04,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 03:05:04,239 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-10-20 03:05:04,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 03:05:04,239 INFO L225 Difference]: With dead ends: 63 [2020-10-20 03:05:04,240 INFO L226 Difference]: Without dead ends: 35 [2020-10-20 03:05:04,240 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 03:05:04,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-20 03:05:04,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-20 03:05:04,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-20 03:05:04,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 56 transitions. [2020-10-20 03:05:04,242 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 56 transitions. Word has length 17 [2020-10-20 03:05:04,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 03:05:04,242 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 56 transitions. [2020-10-20 03:05:04,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 03:05:04,242 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2020-10-20 03:05:04,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 03:05:04,243 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 03:05:04,243 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 03:05:04,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-20 03:05:04,244 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 03:05:04,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 03:05:04,244 INFO L82 PathProgramCache]: Analyzing trace with hash -281731452, now seen corresponding path program 2 times [2020-10-20 03:05:04,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 03:05:04,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237562285] [2020-10-20 03:05:04,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 03:05:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 03:05:04,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 03:05:04,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237562285] [2020-10-20 03:05:04,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 03:05:04,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 03:05:04,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750471546] [2020-10-20 03:05:04,276 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 03:05:04,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 03:05:04,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 03:05:04,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 03:05:04,276 INFO L87 Difference]: Start difference. First operand 35 states and 56 transitions. Second operand 4 states. [2020-10-20 03:05:04,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 03:05:04,290 INFO L93 Difference]: Finished difference Result 34 states and 55 transitions. [2020-10-20 03:05:04,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 03:05:04,290 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-10-20 03:05:04,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 03:05:04,291 INFO L225 Difference]: With dead ends: 34 [2020-10-20 03:05:04,291 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 03:05:04,291 INFO L677 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 [2020-10-20 03:05:04,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 03:05:04,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 03:05:04,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 03:05:04,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 03:05:04,292 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2020-10-20 03:05:04,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 03:05:04,292 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 03:05:04,293 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 03:05:04,293 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 03:05:04,293 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 03:05:04,293 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-20 03:05:04,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 03:05:04 BasicIcfg [2020-10-20 03:05:04,297 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 03:05:04,298 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 03:05:04,298 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 03:05:04,298 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 03:05:04,299 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 03:05:00" (3/4) ... [2020-10-20 03:05:04,302 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 03:05:04,309 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2020-10-20 03:05:04,310 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2020-10-20 03:05:04,310 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2020-10-20 03:05:04,315 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2020-10-20 03:05:04,315 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-20 03:05:04,316 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 03:05:04,316 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 03:05:04,365 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 03:05:04,365 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 03:05:04,367 INFO L168 Benchmark]: Toolchain (without parser) took 5144.04 ms. Allocated memory was 36.7 MB in the beginning and 77.6 MB in the end (delta: 40.9 MB). Free memory was 18.2 MB in the beginning and 20.1 MB in the end (delta: -2.0 MB). Peak memory consumption was 38.9 MB. Max. memory is 14.3 GB. [2020-10-20 03:05:04,367 INFO L168 Benchmark]: CDTParser took 0.77 ms. Allocated memory is still 34.1 MB. Free memory was 12.3 MB in the beginning and 12.2 MB in the end (delta: 47.4 kB). Peak memory consumption was 47.4 kB. Max. memory is 14.3 GB. [2020-10-20 03:05:04,368 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.23 ms. Allocated memory was 36.7 MB in the beginning and 46.7 MB in the end (delta: 10.0 MB). Free memory was 17.3 MB in the beginning and 19.5 MB in the end (delta: -2.3 MB). Peak memory consumption was 16.9 MB. Max. memory is 14.3 GB. [2020-10-20 03:05:04,369 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.38 ms. Allocated memory is still 46.7 MB. Free memory was 19.3 MB in the beginning and 17.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. [2020-10-20 03:05:04,369 INFO L168 Benchmark]: Boogie Preprocessor took 57.69 ms. Allocated memory is still 46.7 MB. Free memory was 17.2 MB in the beginning and 15.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. [2020-10-20 03:05:04,370 INFO L168 Benchmark]: RCFGBuilder took 452.91 ms. Allocated memory was 46.7 MB in the beginning and 48.8 MB in the end (delta: 2.1 MB). Free memory was 15.6 MB in the beginning and 28.8 MB in the end (delta: -13.2 MB). Peak memory consumption was 5.6 MB. Max. memory is 14.3 GB. [2020-10-20 03:05:04,371 INFO L168 Benchmark]: TraceAbstraction took 3760.85 ms. Allocated memory was 48.8 MB in the beginning and 77.6 MB in the end (delta: 28.8 MB). Free memory was 28.1 MB in the beginning and 24.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 32.9 MB. Max. memory is 14.3 GB. [2020-10-20 03:05:04,372 INFO L168 Benchmark]: Witness Printer took 67.55 ms. Allocated memory is still 77.6 MB. Free memory was 24.1 MB in the beginning and 20.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. [2020-10-20 03:05:04,375 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77 ms. Allocated memory is still 34.1 MB. Free memory was 12.3 MB in the beginning and 12.2 MB in the end (delta: 47.4 kB). Peak memory consumption was 47.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 714.23 ms. Allocated memory was 36.7 MB in the beginning and 46.7 MB in the end (delta: 10.0 MB). Free memory was 17.3 MB in the beginning and 19.5 MB in the end (delta: -2.3 MB). Peak memory consumption was 16.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 80.38 ms. Allocated memory is still 46.7 MB. Free memory was 19.3 MB in the beginning and 17.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 57.69 ms. Allocated memory is still 46.7 MB. Free memory was 17.2 MB in the beginning and 15.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 452.91 ms. Allocated memory was 46.7 MB in the beginning and 48.8 MB in the end (delta: 2.1 MB). Free memory was 15.6 MB in the beginning and 28.8 MB in the end (delta: -13.2 MB). Peak memory consumption was 5.6 MB. Max. memory is 14.3 GB. * TraceAbstraction took 3760.85 ms. Allocated memory was 48.8 MB in the beginning and 77.6 MB in the end (delta: 28.8 MB). Free memory was 28.1 MB in the beginning and 24.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 32.9 MB. Max. memory is 14.3 GB. * Witness Printer took 67.55 ms. Allocated memory is still 77.6 MB. Free memory was 24.1 MB in the beginning and 20.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 891 VarBasedMoverChecksPositive, 40 VarBasedMoverChecksNegative, 6 SemBasedMoverChecksPositive, 34 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 55 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.2s, 85 PlacesBefore, 31 PlacesAfterwards, 78 TransitionsBefore, 22 TransitionsAfterwards, 1440 CoEnabledTransitionPairs, 6 FixpointIterations, 17 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 73 TotalNumberOfCompositions, 2774 MoverChecksTotal - PositiveResult [Line: 17]: 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, 76 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.6s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.3s, HoareTripleCheckerStatistics: 220 SDtfs, 143 SDslu, 240 SDs, 0 SdLazy, 133 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=298occurred 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, 11 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 125 ConstructedInterpolants, 0 QuantifiedInterpolants, 4359 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...