./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/systemc/token_ring.01.cil-2.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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/systemc/token_ring.01.cil-2.c -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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 59598ef74ac7afb6c962e2cc2ba26af488759b7c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 19:15:26,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:15:26,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:15:26,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:15:26,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:15:26,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:15:26,899 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:15:26,910 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:15:26,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:15:26,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:15:26,921 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:15:26,922 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:15:26,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:15:26,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:15:26,927 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:15:26,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:15:26,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:15:26,930 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:15:26,934 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:15:26,938 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:15:26,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:15:26,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:15:26,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:15:26,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:15:26,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:15:26,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:15:26,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:15:26,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:15:26,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:15:26,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:15:26,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:15:26,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:15:26,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:15:26,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:15:26,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:15:26,961 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:15:26,962 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:15:26,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:15:26,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:15:26,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:15:26,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:15:26,965 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:15:27,005 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:15:27,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:15:27,009 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:15:27,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:15:27,010 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:15:27,010 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:15:27,011 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:15:27,011 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:15:27,011 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:15:27,011 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:15:27,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:15:27,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:15:27,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:15:27,014 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:15:27,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:15:27,014 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:15:27,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:15:27,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:15:27,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:15:27,015 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:15:27,016 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:15:27,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:15:27,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:15:27,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:15:27,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:15:27,017 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:15:27,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:15:27,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:15:27,018 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:15:27,018 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(__VERIFIER_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 -> 59598ef74ac7afb6c962e2cc2ba26af488759b7c [2020-07-28 19:15:27,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:15:27,344 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:15:27,348 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:15:27,349 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:15:27,352 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:15:27,353 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/token_ring.01.cil-2.c [2020-07-28 19:15:27,428 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c9cc9b89/c68f0f4a6e17484586df4b9b0f659593/FLAG51fa343ef [2020-07-28 19:15:27,898 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:15:27,899 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/token_ring.01.cil-2.c [2020-07-28 19:15:27,915 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c9cc9b89/c68f0f4a6e17484586df4b9b0f659593/FLAG51fa343ef [2020-07-28 19:15:28,259 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c9cc9b89/c68f0f4a6e17484586df4b9b0f659593 [2020-07-28 19:15:28,263 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:15:28,267 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:15:28,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:15:28,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:15:28,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:15:28,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:15:28" (1/1) ... [2020-07-28 19:15:28,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e5a678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:15:28, skipping insertion in model container [2020-07-28 19:15:28,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:15:28" (1/1) ... [2020-07-28 19:15:28,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:15:28,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:15:28,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:15:28,550 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:15:28,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:15:28,682 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:15:28,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:15:28 WrapperNode [2020-07-28 19:15:28,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:15:28,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:15:28,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:15:28,684 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:15:28,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:15:28" (1/1) ... [2020-07-28 19:15:28,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:15:28" (1/1) ... [2020-07-28 19:15:28,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:15:28,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:15:28,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:15:28,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:15:28,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:15:28" (1/1) ... [2020-07-28 19:15:28,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:15:28" (1/1) ... [2020-07-28 19:15:28,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:15:28" (1/1) ... [2020-07-28 19:15:28,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:15:28" (1/1) ... [2020-07-28 19:15:28,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:15:28" (1/1) ... [2020-07-28 19:15:28,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:15:28" (1/1) ... [2020-07-28 19:15:28,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:15:28" (1/1) ... [2020-07-28 19:15:28,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:15:28,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:15:28,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:15:28,800 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:15:28,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:15:28" (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 [2020-07-28 19:15:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:15:28,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:15:29,886 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:15:29,886 INFO L295 CfgBuilder]: Removed 82 assume(true) statements. [2020-07-28 19:15:29,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:15:29 BoogieIcfgContainer [2020-07-28 19:15:29,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:15:29,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:15:29,894 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:15:29,897 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:15:29,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:15:28" (1/3) ... [2020-07-28 19:15:29,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@462872f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:15:29, skipping insertion in model container [2020-07-28 19:15:29,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:15:28" (2/3) ... [2020-07-28 19:15:29,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@462872f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:15:29, skipping insertion in model container [2020-07-28 19:15:29,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:15:29" (3/3) ... [2020-07-28 19:15:29,901 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.01.cil-2.c [2020-07-28 19:15:29,912 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:15:29,920 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-07-28 19:15:29,936 INFO L251 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-07-28 19:15:29,957 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:15:29,957 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:15:29,957 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:15:29,958 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:15:29,958 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:15:29,958 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:15:29,958 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:15:29,959 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:15:29,977 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2020-07-28 19:15:29,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-07-28 19:15:29,985 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:15:29,986 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:15:29,987 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:15:29,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:15:29,992 INFO L82 PathProgramCache]: Analyzing trace with hash 754195226, now seen corresponding path program 1 times [2020-07-28 19:15:30,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:15:30,001 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681270926] [2020-07-28 19:15:30,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:15:30,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:15:30,183 INFO L280 TraceCheckUtils]: 0: Hoare triple {151#true} ~m_pc~0 := 0;~t1_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~token~0 := 0;~local~0 := 0; {151#true} is VALID [2020-07-28 19:15:30,185 INFO L280 TraceCheckUtils]: 1: Hoare triple {151#true} havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~m_i~0 := 1;~t1_i~0 := 1; {153#(= 1 ~t1_i~0)} is VALID [2020-07-28 19:15:30,187 INFO L280 TraceCheckUtils]: 2: Hoare triple {153#(= 1 ~t1_i~0)} havoc start_simulation_#t~ret8, start_simulation_#t~ret9, start_simulation_~kernel_st~0, start_simulation_~tmp~3, start_simulation_~tmp___0~1;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;havoc start_simulation_~tmp___0~1;start_simulation_~kernel_st~0 := 0; {153#(= 1 ~t1_i~0)} is VALID [2020-07-28 19:15:30,188 INFO L280 TraceCheckUtils]: 3: Hoare triple {153#(= 1 ~t1_i~0)} assume 1 == ~m_i~0;~m_st~0 := 0; {153#(= 1 ~t1_i~0)} is VALID [2020-07-28 19:15:30,189 INFO L280 TraceCheckUtils]: 4: Hoare triple {153#(= 1 ~t1_i~0)} assume !(1 == ~t1_i~0);~t1_st~0 := 2; {152#false} is VALID [2020-07-28 19:15:30,190 INFO L280 TraceCheckUtils]: 5: Hoare triple {152#false} assume 0 == ~M_E~0;~M_E~0 := 1; {152#false} is VALID [2020-07-28 19:15:30,190 INFO L280 TraceCheckUtils]: 6: Hoare triple {152#false} assume 0 == ~T1_E~0;~T1_E~0 := 1; {152#false} is VALID [2020-07-28 19:15:30,191 INFO L280 TraceCheckUtils]: 7: Hoare triple {152#false} assume 0 == ~E_M~0;~E_M~0 := 1; {152#false} is VALID [2020-07-28 19:15:30,191 INFO L280 TraceCheckUtils]: 8: Hoare triple {152#false} assume 0 == ~E_1~0;~E_1~0 := 1; {152#false} is VALID [2020-07-28 19:15:30,192 INFO L280 TraceCheckUtils]: 9: Hoare triple {152#false} havoc activate_threads_#t~ret5, activate_threads_#t~ret6, activate_threads_~tmp~1, activate_threads_~tmp___0~0;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~0;havoc is_master_triggered_#res;havoc is_master_triggered_~__retres1~0;havoc is_master_triggered_~__retres1~0; {152#false} is VALID [2020-07-28 19:15:30,192 INFO L280 TraceCheckUtils]: 10: Hoare triple {152#false} assume !(1 == ~m_pc~0); {152#false} is VALID [2020-07-28 19:15:30,192 INFO L280 TraceCheckUtils]: 11: Hoare triple {152#false} is_master_triggered_~__retres1~0 := 0; {152#false} is VALID [2020-07-28 19:15:30,193 INFO L280 TraceCheckUtils]: 12: Hoare triple {152#false} is_master_triggered_#res := is_master_triggered_~__retres1~0; {152#false} is VALID [2020-07-28 19:15:30,193 INFO L280 TraceCheckUtils]: 13: Hoare triple {152#false} activate_threads_#t~ret5 := is_master_triggered_#res;assume -2147483648 <= activate_threads_#t~ret5 && activate_threads_#t~ret5 <= 2147483647;activate_threads_~tmp~1 := activate_threads_#t~ret5;havoc activate_threads_#t~ret5; {152#false} is VALID [2020-07-28 19:15:30,194 INFO L280 TraceCheckUtils]: 14: Hoare triple {152#false} assume !(0 != activate_threads_~tmp~1); {152#false} is VALID [2020-07-28 19:15:30,194 INFO L280 TraceCheckUtils]: 15: Hoare triple {152#false} havoc is_transmit1_triggered_#res;havoc is_transmit1_triggered_~__retres1~1;havoc is_transmit1_triggered_~__retres1~1; {152#false} is VALID [2020-07-28 19:15:30,195 INFO L280 TraceCheckUtils]: 16: Hoare triple {152#false} assume 1 == ~t1_pc~0; {152#false} is VALID [2020-07-28 19:15:30,195 INFO L280 TraceCheckUtils]: 17: Hoare triple {152#false} assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~1 := 1; {152#false} is VALID [2020-07-28 19:15:30,195 INFO L280 TraceCheckUtils]: 18: Hoare triple {152#false} is_transmit1_triggered_#res := is_transmit1_triggered_~__retres1~1; {152#false} is VALID [2020-07-28 19:15:30,196 INFO L280 TraceCheckUtils]: 19: Hoare triple {152#false} activate_threads_#t~ret6 := is_transmit1_triggered_#res;assume -2147483648 <= activate_threads_#t~ret6 && activate_threads_#t~ret6 <= 2147483647;activate_threads_~tmp___0~0 := activate_threads_#t~ret6;havoc activate_threads_#t~ret6; {152#false} is VALID [2020-07-28 19:15:30,196 INFO L280 TraceCheckUtils]: 20: Hoare triple {152#false} assume 0 != activate_threads_~tmp___0~0;~t1_st~0 := 0; {152#false} is VALID [2020-07-28 19:15:30,196 INFO L280 TraceCheckUtils]: 21: Hoare triple {152#false} assume 1 == ~M_E~0;~M_E~0 := 2; {152#false} is VALID [2020-07-28 19:15:30,197 INFO L280 TraceCheckUtils]: 22: Hoare triple {152#false} assume 1 == ~T1_E~0;~T1_E~0 := 2; {152#false} is VALID [2020-07-28 19:15:30,197 INFO L280 TraceCheckUtils]: 23: Hoare triple {152#false} assume 1 == ~E_M~0;~E_M~0 := 2; {152#false} is VALID [2020-07-28 19:15:30,198 INFO L280 TraceCheckUtils]: 24: Hoare triple {152#false} assume !(1 == ~E_1~0); {152#false} is VALID [2020-07-28 19:15:30,198 INFO L280 TraceCheckUtils]: 25: Hoare triple {152#false} assume !false; {152#false} is VALID [2020-07-28 19:15:30,199 INFO L280 TraceCheckUtils]: 26: Hoare triple {152#false} start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret2, eval_#t~nondet3, eval_~tmp_ndt_1~0, eval_#t~nondet4, eval_~tmp_ndt_2~0, eval_~tmp~0;havoc eval_~tmp~0; {152#false} is VALID [2020-07-28 19:15:30,199 INFO L280 TraceCheckUtils]: 27: Hoare triple {152#false} assume !false; {152#false} is VALID [2020-07-28 19:15:30,200 INFO L280 TraceCheckUtils]: 28: Hoare triple {152#false} havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; {152#false} is VALID [2020-07-28 19:15:30,200 INFO L280 TraceCheckUtils]: 29: Hoare triple {152#false} assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~2 := 1; {152#false} is VALID [2020-07-28 19:15:30,201 INFO L280 TraceCheckUtils]: 30: Hoare triple {152#false} exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; {152#false} is VALID [2020-07-28 19:15:30,201 INFO L280 TraceCheckUtils]: 31: Hoare triple {152#false} eval_#t~ret2 := exists_runnable_thread_#res;assume -2147483648 <= eval_#t~ret2 && eval_#t~ret2 <= 2147483647;eval_~tmp~0 := eval_#t~ret2;havoc eval_#t~ret2; {152#false} is VALID [2020-07-28 19:15:30,201 INFO L280 TraceCheckUtils]: 32: Hoare triple {152#false} assume 0 != eval_~tmp~0; {152#false} is VALID [2020-07-28 19:15:30,202 INFO L280 TraceCheckUtils]: 33: Hoare triple {152#false} assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0;assume -2147483648 <= eval_#t~nondet3 && eval_#t~nondet3 <= 2147483647;eval_~tmp_ndt_1~0 := eval_#t~nondet3;havoc eval_#t~nondet3; {152#false} is VALID [2020-07-28 19:15:30,202 INFO L280 TraceCheckUtils]: 34: Hoare triple {152#false} assume 0 != eval_~tmp_ndt_1~0;~m_st~0 := 1;havoc master_#t~nondet0, master_#t~nondet1, master_~tmp_var~0;assume -2147483648 <= master_#t~nondet0 && master_#t~nondet0 <= 2147483647;master_~tmp_var~0 := master_#t~nondet0;havoc master_#t~nondet0; {152#false} is VALID [2020-07-28 19:15:30,202 INFO L280 TraceCheckUtils]: 35: Hoare triple {152#false} assume !(0 == ~m_pc~0); {152#false} is VALID [2020-07-28 19:15:30,203 INFO L280 TraceCheckUtils]: 36: Hoare triple {152#false} assume 1 == ~m_pc~0; {152#false} is VALID [2020-07-28 19:15:30,203 INFO L280 TraceCheckUtils]: 37: Hoare triple {152#false} assume ~token~0 != 1 + ~local~0; {152#false} is VALID [2020-07-28 19:15:30,204 INFO L280 TraceCheckUtils]: 38: Hoare triple {152#false} assume !false; {152#false} is VALID [2020-07-28 19:15:30,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:15:30,214 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681270926] [2020-07-28 19:15:30,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:15:30,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:15:30,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412156731] [2020-07-28 19:15:30,223 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2020-07-28 19:15:30,225 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:15:30,230 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:15:30,297 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:15:30,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:15:30,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:15:30,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:15:30,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:15:30,310 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 3 states. [2020-07-28 19:15:30,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:30,765 INFO L93 Difference]: Finished difference Result 291 states and 455 transitions. [2020-07-28 19:15:30,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:15:30,765 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2020-07-28 19:15:30,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:15:30,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:15:30,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 455 transitions. [2020-07-28 19:15:30,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:15:30,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 455 transitions. [2020-07-28 19:15:30,790 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 455 transitions. [2020-07-28 19:15:31,343 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 455 edges. 455 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:15:31,362 INFO L225 Difference]: With dead ends: 291 [2020-07-28 19:15:31,362 INFO L226 Difference]: Without dead ends: 144 [2020-07-28 19:15:31,367 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:15:31,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-07-28 19:15:31,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2020-07-28 19:15:31,457 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:15:31,457 INFO L82 GeneralOperation]: Start isEquivalent. First operand 144 states. Second operand 144 states. [2020-07-28 19:15:31,458 INFO L74 IsIncluded]: Start isIncluded. First operand 144 states. Second operand 144 states. [2020-07-28 19:15:31,458 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 144 states. [2020-07-28 19:15:31,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:31,468 INFO L93 Difference]: Finished difference Result 144 states and 216 transitions. [2020-07-28 19:15:31,469 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 216 transitions. [2020-07-28 19:15:31,471 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:15:31,471 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:15:31,472 INFO L74 IsIncluded]: Start isIncluded. First operand 144 states. Second operand 144 states. [2020-07-28 19:15:31,472 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 144 states. [2020-07-28 19:15:31,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:31,481 INFO L93 Difference]: Finished difference Result 144 states and 216 transitions. [2020-07-28 19:15:31,482 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 216 transitions. [2020-07-28 19:15:31,483 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:15:31,484 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:15:31,484 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:15:31,484 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:15:31,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-07-28 19:15:31,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 216 transitions. [2020-07-28 19:15:31,494 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 216 transitions. Word has length 39 [2020-07-28 19:15:31,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:15:31,495 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 216 transitions. [2020-07-28 19:15:31,495 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:15:31,496 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 216 transitions. [2020-07-28 19:15:31,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-07-28 19:15:31,497 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:15:31,497 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:15:31,498 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:15:31,498 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:15:31,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:15:31,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1598200728, now seen corresponding path program 1 times [2020-07-28 19:15:31,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:15:31,500 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354661594] [2020-07-28 19:15:31,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:15:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:15:31,583 INFO L280 TraceCheckUtils]: 0: Hoare triple {1031#true} ~m_pc~0 := 0;~t1_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~token~0 := 0;~local~0 := 0; {1033#(<= 2 ~M_E~0)} is VALID [2020-07-28 19:15:31,586 INFO L280 TraceCheckUtils]: 1: Hoare triple {1033#(<= 2 ~M_E~0)} havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~m_i~0 := 1;~t1_i~0 := 1; {1033#(<= 2 ~M_E~0)} is VALID [2020-07-28 19:15:31,587 INFO L280 TraceCheckUtils]: 2: Hoare triple {1033#(<= 2 ~M_E~0)} havoc start_simulation_#t~ret8, start_simulation_#t~ret9, start_simulation_~kernel_st~0, start_simulation_~tmp~3, start_simulation_~tmp___0~1;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;havoc start_simulation_~tmp___0~1;start_simulation_~kernel_st~0 := 0; {1033#(<= 2 ~M_E~0)} is VALID [2020-07-28 19:15:31,587 INFO L280 TraceCheckUtils]: 3: Hoare triple {1033#(<= 2 ~M_E~0)} assume 1 == ~m_i~0;~m_st~0 := 0; {1033#(<= 2 ~M_E~0)} is VALID [2020-07-28 19:15:31,588 INFO L280 TraceCheckUtils]: 4: Hoare triple {1033#(<= 2 ~M_E~0)} assume 1 == ~t1_i~0;~t1_st~0 := 0; {1033#(<= 2 ~M_E~0)} is VALID [2020-07-28 19:15:31,589 INFO L280 TraceCheckUtils]: 5: Hoare triple {1033#(<= 2 ~M_E~0)} assume 0 == ~M_E~0;~M_E~0 := 1; {1032#false} is VALID [2020-07-28 19:15:31,590 INFO L280 TraceCheckUtils]: 6: Hoare triple {1032#false} assume 0 == ~T1_E~0;~T1_E~0 := 1; {1032#false} is VALID [2020-07-28 19:15:31,590 INFO L280 TraceCheckUtils]: 7: Hoare triple {1032#false} assume 0 == ~E_M~0;~E_M~0 := 1; {1032#false} is VALID [2020-07-28 19:15:31,590 INFO L280 TraceCheckUtils]: 8: Hoare triple {1032#false} assume 0 == ~E_1~0;~E_1~0 := 1; {1032#false} is VALID [2020-07-28 19:15:31,591 INFO L280 TraceCheckUtils]: 9: Hoare triple {1032#false} havoc activate_threads_#t~ret5, activate_threads_#t~ret6, activate_threads_~tmp~1, activate_threads_~tmp___0~0;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~0;havoc is_master_triggered_#res;havoc is_master_triggered_~__retres1~0;havoc is_master_triggered_~__retres1~0; {1032#false} is VALID [2020-07-28 19:15:31,591 INFO L280 TraceCheckUtils]: 10: Hoare triple {1032#false} assume !(1 == ~m_pc~0); {1032#false} is VALID [2020-07-28 19:15:31,591 INFO L280 TraceCheckUtils]: 11: Hoare triple {1032#false} is_master_triggered_~__retres1~0 := 0; {1032#false} is VALID [2020-07-28 19:15:31,592 INFO L280 TraceCheckUtils]: 12: Hoare triple {1032#false} is_master_triggered_#res := is_master_triggered_~__retres1~0; {1032#false} is VALID [2020-07-28 19:15:31,592 INFO L280 TraceCheckUtils]: 13: Hoare triple {1032#false} activate_threads_#t~ret5 := is_master_triggered_#res;assume -2147483648 <= activate_threads_#t~ret5 && activate_threads_#t~ret5 <= 2147483647;activate_threads_~tmp~1 := activate_threads_#t~ret5;havoc activate_threads_#t~ret5; {1032#false} is VALID [2020-07-28 19:15:31,593 INFO L280 TraceCheckUtils]: 14: Hoare triple {1032#false} assume !(0 != activate_threads_~tmp~1); {1032#false} is VALID [2020-07-28 19:15:31,593 INFO L280 TraceCheckUtils]: 15: Hoare triple {1032#false} havoc is_transmit1_triggered_#res;havoc is_transmit1_triggered_~__retres1~1;havoc is_transmit1_triggered_~__retres1~1; {1032#false} is VALID [2020-07-28 19:15:31,593 INFO L280 TraceCheckUtils]: 16: Hoare triple {1032#false} assume 1 == ~t1_pc~0; {1032#false} is VALID [2020-07-28 19:15:31,594 INFO L280 TraceCheckUtils]: 17: Hoare triple {1032#false} assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~1 := 1; {1032#false} is VALID [2020-07-28 19:15:31,594 INFO L280 TraceCheckUtils]: 18: Hoare triple {1032#false} is_transmit1_triggered_#res := is_transmit1_triggered_~__retres1~1; {1032#false} is VALID [2020-07-28 19:15:31,599 INFO L280 TraceCheckUtils]: 19: Hoare triple {1032#false} activate_threads_#t~ret6 := is_transmit1_triggered_#res;assume -2147483648 <= activate_threads_#t~ret6 && activate_threads_#t~ret6 <= 2147483647;activate_threads_~tmp___0~0 := activate_threads_#t~ret6;havoc activate_threads_#t~ret6; {1032#false} is VALID [2020-07-28 19:15:31,599 INFO L280 TraceCheckUtils]: 20: Hoare triple {1032#false} assume 0 != activate_threads_~tmp___0~0;~t1_st~0 := 0; {1032#false} is VALID [2020-07-28 19:15:31,600 INFO L280 TraceCheckUtils]: 21: Hoare triple {1032#false} assume 1 == ~M_E~0;~M_E~0 := 2; {1032#false} is VALID [2020-07-28 19:15:31,602 INFO L280 TraceCheckUtils]: 22: Hoare triple {1032#false} assume 1 == ~T1_E~0;~T1_E~0 := 2; {1032#false} is VALID [2020-07-28 19:15:31,602 INFO L280 TraceCheckUtils]: 23: Hoare triple {1032#false} assume 1 == ~E_M~0;~E_M~0 := 2; {1032#false} is VALID [2020-07-28 19:15:31,603 INFO L280 TraceCheckUtils]: 24: Hoare triple {1032#false} assume !(1 == ~E_1~0); {1032#false} is VALID [2020-07-28 19:15:31,604 INFO L280 TraceCheckUtils]: 25: Hoare triple {1032#false} assume !false; {1032#false} is VALID [2020-07-28 19:15:31,604 INFO L280 TraceCheckUtils]: 26: Hoare triple {1032#false} start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret2, eval_#t~nondet3, eval_~tmp_ndt_1~0, eval_#t~nondet4, eval_~tmp_ndt_2~0, eval_~tmp~0;havoc eval_~tmp~0; {1032#false} is VALID [2020-07-28 19:15:31,604 INFO L280 TraceCheckUtils]: 27: Hoare triple {1032#false} assume !false; {1032#false} is VALID [2020-07-28 19:15:31,605 INFO L280 TraceCheckUtils]: 28: Hoare triple {1032#false} havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; {1032#false} is VALID [2020-07-28 19:15:31,605 INFO L280 TraceCheckUtils]: 29: Hoare triple {1032#false} assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~2 := 1; {1032#false} is VALID [2020-07-28 19:15:31,606 INFO L280 TraceCheckUtils]: 30: Hoare triple {1032#false} exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; {1032#false} is VALID [2020-07-28 19:15:31,607 INFO L280 TraceCheckUtils]: 31: Hoare triple {1032#false} eval_#t~ret2 := exists_runnable_thread_#res;assume -2147483648 <= eval_#t~ret2 && eval_#t~ret2 <= 2147483647;eval_~tmp~0 := eval_#t~ret2;havoc eval_#t~ret2; {1032#false} is VALID [2020-07-28 19:15:31,607 INFO L280 TraceCheckUtils]: 32: Hoare triple {1032#false} assume 0 != eval_~tmp~0; {1032#false} is VALID [2020-07-28 19:15:31,608 INFO L280 TraceCheckUtils]: 33: Hoare triple {1032#false} assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0;assume -2147483648 <= eval_#t~nondet3 && eval_#t~nondet3 <= 2147483647;eval_~tmp_ndt_1~0 := eval_#t~nondet3;havoc eval_#t~nondet3; {1032#false} is VALID [2020-07-28 19:15:31,608 INFO L280 TraceCheckUtils]: 34: Hoare triple {1032#false} assume 0 != eval_~tmp_ndt_1~0;~m_st~0 := 1;havoc master_#t~nondet0, master_#t~nondet1, master_~tmp_var~0;assume -2147483648 <= master_#t~nondet0 && master_#t~nondet0 <= 2147483647;master_~tmp_var~0 := master_#t~nondet0;havoc master_#t~nondet0; {1032#false} is VALID [2020-07-28 19:15:31,608 INFO L280 TraceCheckUtils]: 35: Hoare triple {1032#false} assume !(0 == ~m_pc~0); {1032#false} is VALID [2020-07-28 19:15:31,609 INFO L280 TraceCheckUtils]: 36: Hoare triple {1032#false} assume 1 == ~m_pc~0; {1032#false} is VALID [2020-07-28 19:15:31,609 INFO L280 TraceCheckUtils]: 37: Hoare triple {1032#false} assume ~token~0 != 1 + ~local~0; {1032#false} is VALID [2020-07-28 19:15:31,610 INFO L280 TraceCheckUtils]: 38: Hoare triple {1032#false} assume !false; {1032#false} is VALID [2020-07-28 19:15:31,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:15:31,618 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354661594] [2020-07-28 19:15:31,619 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:15:31,619 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:15:31,621 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58792898] [2020-07-28 19:15:31,623 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2020-07-28 19:15:31,624 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:15:31,625 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:15:31,673 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:15:31,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:15:31,674 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:15:31,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:15:31,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:15:31,675 INFO L87 Difference]: Start difference. First operand 144 states and 216 transitions. Second operand 3 states. [2020-07-28 19:15:32,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:32,209 INFO L93 Difference]: Finished difference Result 384 states and 576 transitions. [2020-07-28 19:15:32,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:15:32,210 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2020-07-28 19:15:32,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:15:32,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:15:32,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 576 transitions. [2020-07-28 19:15:32,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:15:32,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 576 transitions. [2020-07-28 19:15:32,225 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 576 transitions. [2020-07-28 19:15:32,812 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 576 edges. 576 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:15:32,826 INFO L225 Difference]: With dead ends: 384 [2020-07-28 19:15:32,826 INFO L226 Difference]: Without dead ends: 246 [2020-07-28 19:15:32,832 INFO L675 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 [2020-07-28 19:15:32,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-07-28 19:15:32,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 242. [2020-07-28 19:15:32,984 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:15:32,984 INFO L82 GeneralOperation]: Start isEquivalent. First operand 246 states. Second operand 242 states. [2020-07-28 19:15:32,984 INFO L74 IsIncluded]: Start isIncluded. First operand 246 states. Second operand 242 states. [2020-07-28 19:15:32,984 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 242 states. [2020-07-28 19:15:32,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:32,997 INFO L93 Difference]: Finished difference Result 246 states and 364 transitions. [2020-07-28 19:15:32,997 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 364 transitions. [2020-07-28 19:15:33,000 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:15:33,001 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:15:33,001 INFO L74 IsIncluded]: Start isIncluded. First operand 242 states. Second operand 246 states. [2020-07-28 19:15:33,001 INFO L87 Difference]: Start difference. First operand 242 states. Second operand 246 states. [2020-07-28 19:15:33,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:33,011 INFO L93 Difference]: Finished difference Result 246 states and 364 transitions. [2020-07-28 19:15:33,012 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 364 transitions. [2020-07-28 19:15:33,012 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:15:33,013 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:15:33,013 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:15:33,013 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:15:33,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-07-28 19:15:33,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 362 transitions. [2020-07-28 19:15:33,023 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 362 transitions. Word has length 39 [2020-07-28 19:15:33,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:15:33,024 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 362 transitions. [2020-07-28 19:15:33,024 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:15:33,024 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 362 transitions. [2020-07-28 19:15:33,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-07-28 19:15:33,025 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:15:33,026 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:15:33,026 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:15:33,026 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:15:33,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:15:33,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1655040020, now seen corresponding path program 1 times [2020-07-28 19:15:33,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:15:33,027 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686632823] [2020-07-28 19:15:33,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:15:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:15:33,071 INFO L280 TraceCheckUtils]: 0: Hoare triple {2371#true} ~m_pc~0 := 0;~t1_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~token~0 := 0;~local~0 := 0; {2373#(<= 2 ~T1_E~0)} is VALID [2020-07-28 19:15:33,071 INFO L280 TraceCheckUtils]: 1: Hoare triple {2373#(<= 2 ~T1_E~0)} havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~m_i~0 := 1;~t1_i~0 := 1; {2373#(<= 2 ~T1_E~0)} is VALID [2020-07-28 19:15:33,072 INFO L280 TraceCheckUtils]: 2: Hoare triple {2373#(<= 2 ~T1_E~0)} havoc start_simulation_#t~ret8, start_simulation_#t~ret9, start_simulation_~kernel_st~0, start_simulation_~tmp~3, start_simulation_~tmp___0~1;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;havoc start_simulation_~tmp___0~1;start_simulation_~kernel_st~0 := 0; {2373#(<= 2 ~T1_E~0)} is VALID [2020-07-28 19:15:33,073 INFO L280 TraceCheckUtils]: 3: Hoare triple {2373#(<= 2 ~T1_E~0)} assume 1 == ~m_i~0;~m_st~0 := 0; {2373#(<= 2 ~T1_E~0)} is VALID [2020-07-28 19:15:33,073 INFO L280 TraceCheckUtils]: 4: Hoare triple {2373#(<= 2 ~T1_E~0)} assume 1 == ~t1_i~0;~t1_st~0 := 0; {2373#(<= 2 ~T1_E~0)} is VALID [2020-07-28 19:15:33,074 INFO L280 TraceCheckUtils]: 5: Hoare triple {2373#(<= 2 ~T1_E~0)} assume !(0 == ~M_E~0); {2373#(<= 2 ~T1_E~0)} is VALID [2020-07-28 19:15:33,075 INFO L280 TraceCheckUtils]: 6: Hoare triple {2373#(<= 2 ~T1_E~0)} assume 0 == ~T1_E~0;~T1_E~0 := 1; {2372#false} is VALID [2020-07-28 19:15:33,075 INFO L280 TraceCheckUtils]: 7: Hoare triple {2372#false} assume 0 == ~E_M~0;~E_M~0 := 1; {2372#false} is VALID [2020-07-28 19:15:33,075 INFO L280 TraceCheckUtils]: 8: Hoare triple {2372#false} assume 0 == ~E_1~0;~E_1~0 := 1; {2372#false} is VALID [2020-07-28 19:15:33,076 INFO L280 TraceCheckUtils]: 9: Hoare triple {2372#false} havoc activate_threads_#t~ret5, activate_threads_#t~ret6, activate_threads_~tmp~1, activate_threads_~tmp___0~0;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~0;havoc is_master_triggered_#res;havoc is_master_triggered_~__retres1~0;havoc is_master_triggered_~__retres1~0; {2372#false} is VALID [2020-07-28 19:15:33,076 INFO L280 TraceCheckUtils]: 10: Hoare triple {2372#false} assume !(1 == ~m_pc~0); {2372#false} is VALID [2020-07-28 19:15:33,076 INFO L280 TraceCheckUtils]: 11: Hoare triple {2372#false} is_master_triggered_~__retres1~0 := 0; {2372#false} is VALID [2020-07-28 19:15:33,077 INFO L280 TraceCheckUtils]: 12: Hoare triple {2372#false} is_master_triggered_#res := is_master_triggered_~__retres1~0; {2372#false} is VALID [2020-07-28 19:15:33,077 INFO L280 TraceCheckUtils]: 13: Hoare triple {2372#false} activate_threads_#t~ret5 := is_master_triggered_#res;assume -2147483648 <= activate_threads_#t~ret5 && activate_threads_#t~ret5 <= 2147483647;activate_threads_~tmp~1 := activate_threads_#t~ret5;havoc activate_threads_#t~ret5; {2372#false} is VALID [2020-07-28 19:15:33,077 INFO L280 TraceCheckUtils]: 14: Hoare triple {2372#false} assume !(0 != activate_threads_~tmp~1); {2372#false} is VALID [2020-07-28 19:15:33,077 INFO L280 TraceCheckUtils]: 15: Hoare triple {2372#false} havoc is_transmit1_triggered_#res;havoc is_transmit1_triggered_~__retres1~1;havoc is_transmit1_triggered_~__retres1~1; {2372#false} is VALID [2020-07-28 19:15:33,078 INFO L280 TraceCheckUtils]: 16: Hoare triple {2372#false} assume 1 == ~t1_pc~0; {2372#false} is VALID [2020-07-28 19:15:33,078 INFO L280 TraceCheckUtils]: 17: Hoare triple {2372#false} assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~1 := 1; {2372#false} is VALID [2020-07-28 19:15:33,078 INFO L280 TraceCheckUtils]: 18: Hoare triple {2372#false} is_transmit1_triggered_#res := is_transmit1_triggered_~__retres1~1; {2372#false} is VALID [2020-07-28 19:15:33,078 INFO L280 TraceCheckUtils]: 19: Hoare triple {2372#false} activate_threads_#t~ret6 := is_transmit1_triggered_#res;assume -2147483648 <= activate_threads_#t~ret6 && activate_threads_#t~ret6 <= 2147483647;activate_threads_~tmp___0~0 := activate_threads_#t~ret6;havoc activate_threads_#t~ret6; {2372#false} is VALID [2020-07-28 19:15:33,079 INFO L280 TraceCheckUtils]: 20: Hoare triple {2372#false} assume 0 != activate_threads_~tmp___0~0;~t1_st~0 := 0; {2372#false} is VALID [2020-07-28 19:15:33,079 INFO L280 TraceCheckUtils]: 21: Hoare triple {2372#false} assume !(1 == ~M_E~0); {2372#false} is VALID [2020-07-28 19:15:33,080 INFO L280 TraceCheckUtils]: 22: Hoare triple {2372#false} assume 1 == ~T1_E~0;~T1_E~0 := 2; {2372#false} is VALID [2020-07-28 19:15:33,080 INFO L280 TraceCheckUtils]: 23: Hoare triple {2372#false} assume 1 == ~E_M~0;~E_M~0 := 2; {2372#false} is VALID [2020-07-28 19:15:33,080 INFO L280 TraceCheckUtils]: 24: Hoare triple {2372#false} assume !(1 == ~E_1~0); {2372#false} is VALID [2020-07-28 19:15:33,080 INFO L280 TraceCheckUtils]: 25: Hoare triple {2372#false} assume !false; {2372#false} is VALID [2020-07-28 19:15:33,081 INFO L280 TraceCheckUtils]: 26: Hoare triple {2372#false} start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret2, eval_#t~nondet3, eval_~tmp_ndt_1~0, eval_#t~nondet4, eval_~tmp_ndt_2~0, eval_~tmp~0;havoc eval_~tmp~0; {2372#false} is VALID [2020-07-28 19:15:33,081 INFO L280 TraceCheckUtils]: 27: Hoare triple {2372#false} assume !false; {2372#false} is VALID [2020-07-28 19:15:33,081 INFO L280 TraceCheckUtils]: 28: Hoare triple {2372#false} havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; {2372#false} is VALID [2020-07-28 19:15:33,081 INFO L280 TraceCheckUtils]: 29: Hoare triple {2372#false} assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~2 := 1; {2372#false} is VALID [2020-07-28 19:15:33,082 INFO L280 TraceCheckUtils]: 30: Hoare triple {2372#false} exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; {2372#false} is VALID [2020-07-28 19:15:33,082 INFO L280 TraceCheckUtils]: 31: Hoare triple {2372#false} eval_#t~ret2 := exists_runnable_thread_#res;assume -2147483648 <= eval_#t~ret2 && eval_#t~ret2 <= 2147483647;eval_~tmp~0 := eval_#t~ret2;havoc eval_#t~ret2; {2372#false} is VALID [2020-07-28 19:15:33,082 INFO L280 TraceCheckUtils]: 32: Hoare triple {2372#false} assume 0 != eval_~tmp~0; {2372#false} is VALID [2020-07-28 19:15:33,083 INFO L280 TraceCheckUtils]: 33: Hoare triple {2372#false} assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0;assume -2147483648 <= eval_#t~nondet3 && eval_#t~nondet3 <= 2147483647;eval_~tmp_ndt_1~0 := eval_#t~nondet3;havoc eval_#t~nondet3; {2372#false} is VALID [2020-07-28 19:15:33,083 INFO L280 TraceCheckUtils]: 34: Hoare triple {2372#false} assume 0 != eval_~tmp_ndt_1~0;~m_st~0 := 1;havoc master_#t~nondet0, master_#t~nondet1, master_~tmp_var~0;assume -2147483648 <= master_#t~nondet0 && master_#t~nondet0 <= 2147483647;master_~tmp_var~0 := master_#t~nondet0;havoc master_#t~nondet0; {2372#false} is VALID [2020-07-28 19:15:33,083 INFO L280 TraceCheckUtils]: 35: Hoare triple {2372#false} assume !(0 == ~m_pc~0); {2372#false} is VALID [2020-07-28 19:15:33,084 INFO L280 TraceCheckUtils]: 36: Hoare triple {2372#false} assume 1 == ~m_pc~0; {2372#false} is VALID [2020-07-28 19:15:33,084 INFO L280 TraceCheckUtils]: 37: Hoare triple {2372#false} assume ~token~0 != 1 + ~local~0; {2372#false} is VALID [2020-07-28 19:15:33,084 INFO L280 TraceCheckUtils]: 38: Hoare triple {2372#false} assume !false; {2372#false} is VALID [2020-07-28 19:15:33,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:15:33,087 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686632823] [2020-07-28 19:15:33,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:15:33,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:15:33,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562559037] [2020-07-28 19:15:33,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2020-07-28 19:15:33,088 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:15:33,089 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:15:33,138 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:15:33,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:15:33,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:15:33,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:15:33,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:15:33,140 INFO L87 Difference]: Start difference. First operand 242 states and 362 transitions. Second operand 3 states. [2020-07-28 19:15:33,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:33,527 INFO L93 Difference]: Finished difference Result 477 states and 715 transitions. [2020-07-28 19:15:33,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:15:33,527 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2020-07-28 19:15:33,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:15:33,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:15:33,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 419 transitions. [2020-07-28 19:15:33,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:15:33,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 419 transitions. [2020-07-28 19:15:33,540 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 419 transitions. [2020-07-28 19:15:34,016 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 419 edges. 419 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:15:34,024 INFO L225 Difference]: With dead ends: 477 [2020-07-28 19:15:34,024 INFO L226 Difference]: Without dead ends: 242 [2020-07-28 19:15:34,026 INFO L675 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 [2020-07-28 19:15:34,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-07-28 19:15:34,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2020-07-28 19:15:34,218 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:15:34,218 INFO L82 GeneralOperation]: Start isEquivalent. First operand 242 states. Second operand 242 states. [2020-07-28 19:15:34,219 INFO L74 IsIncluded]: Start isIncluded. First operand 242 states. Second operand 242 states. [2020-07-28 19:15:34,219 INFO L87 Difference]: Start difference. First operand 242 states. Second operand 242 states. [2020-07-28 19:15:34,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:34,229 INFO L93 Difference]: Finished difference Result 242 states and 354 transitions. [2020-07-28 19:15:34,229 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 354 transitions. [2020-07-28 19:15:34,230 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:15:34,230 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:15:34,230 INFO L74 IsIncluded]: Start isIncluded. First operand 242 states. Second operand 242 states. [2020-07-28 19:15:34,231 INFO L87 Difference]: Start difference. First operand 242 states. Second operand 242 states. [2020-07-28 19:15:34,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:34,240 INFO L93 Difference]: Finished difference Result 242 states and 354 transitions. [2020-07-28 19:15:34,240 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 354 transitions. [2020-07-28 19:15:34,241 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:15:34,241 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:15:34,241 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:15:34,241 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:15:34,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-07-28 19:15:34,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 354 transitions. [2020-07-28 19:15:34,251 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 354 transitions. Word has length 39 [2020-07-28 19:15:34,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:15:34,252 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 354 transitions. [2020-07-28 19:15:34,252 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:15:34,252 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 354 transitions. [2020-07-28 19:15:34,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-07-28 19:15:34,253 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:15:34,253 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:15:34,253 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:15:34,253 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:15:34,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:15:34,254 INFO L82 PathProgramCache]: Analyzing trace with hash -5694440, now seen corresponding path program 1 times [2020-07-28 19:15:34,254 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:15:34,254 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464979280] [2020-07-28 19:15:34,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:15:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:15:34,293 INFO L280 TraceCheckUtils]: 0: Hoare triple {3831#true} ~m_pc~0 := 0;~t1_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~token~0 := 0;~local~0 := 0; {3833#(<= 2 ~E_M~0)} is VALID [2020-07-28 19:15:34,293 INFO L280 TraceCheckUtils]: 1: Hoare triple {3833#(<= 2 ~E_M~0)} havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~m_i~0 := 1;~t1_i~0 := 1; {3833#(<= 2 ~E_M~0)} is VALID [2020-07-28 19:15:34,294 INFO L280 TraceCheckUtils]: 2: Hoare triple {3833#(<= 2 ~E_M~0)} havoc start_simulation_#t~ret8, start_simulation_#t~ret9, start_simulation_~kernel_st~0, start_simulation_~tmp~3, start_simulation_~tmp___0~1;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;havoc start_simulation_~tmp___0~1;start_simulation_~kernel_st~0 := 0; {3833#(<= 2 ~E_M~0)} is VALID [2020-07-28 19:15:34,295 INFO L280 TraceCheckUtils]: 3: Hoare triple {3833#(<= 2 ~E_M~0)} assume 1 == ~m_i~0;~m_st~0 := 0; {3833#(<= 2 ~E_M~0)} is VALID [2020-07-28 19:15:34,295 INFO L280 TraceCheckUtils]: 4: Hoare triple {3833#(<= 2 ~E_M~0)} assume 1 == ~t1_i~0;~t1_st~0 := 0; {3833#(<= 2 ~E_M~0)} is VALID [2020-07-28 19:15:34,296 INFO L280 TraceCheckUtils]: 5: Hoare triple {3833#(<= 2 ~E_M~0)} assume !(0 == ~M_E~0); {3833#(<= 2 ~E_M~0)} is VALID [2020-07-28 19:15:34,297 INFO L280 TraceCheckUtils]: 6: Hoare triple {3833#(<= 2 ~E_M~0)} assume !(0 == ~T1_E~0); {3833#(<= 2 ~E_M~0)} is VALID [2020-07-28 19:15:34,297 INFO L280 TraceCheckUtils]: 7: Hoare triple {3833#(<= 2 ~E_M~0)} assume 0 == ~E_M~0;~E_M~0 := 1; {3832#false} is VALID [2020-07-28 19:15:34,298 INFO L280 TraceCheckUtils]: 8: Hoare triple {3832#false} assume 0 == ~E_1~0;~E_1~0 := 1; {3832#false} is VALID [2020-07-28 19:15:34,298 INFO L280 TraceCheckUtils]: 9: Hoare triple {3832#false} havoc activate_threads_#t~ret5, activate_threads_#t~ret6, activate_threads_~tmp~1, activate_threads_~tmp___0~0;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~0;havoc is_master_triggered_#res;havoc is_master_triggered_~__retres1~0;havoc is_master_triggered_~__retres1~0; {3832#false} is VALID [2020-07-28 19:15:34,298 INFO L280 TraceCheckUtils]: 10: Hoare triple {3832#false} assume !(1 == ~m_pc~0); {3832#false} is VALID [2020-07-28 19:15:34,298 INFO L280 TraceCheckUtils]: 11: Hoare triple {3832#false} is_master_triggered_~__retres1~0 := 0; {3832#false} is VALID [2020-07-28 19:15:34,299 INFO L280 TraceCheckUtils]: 12: Hoare triple {3832#false} is_master_triggered_#res := is_master_triggered_~__retres1~0; {3832#false} is VALID [2020-07-28 19:15:34,299 INFO L280 TraceCheckUtils]: 13: Hoare triple {3832#false} activate_threads_#t~ret5 := is_master_triggered_#res;assume -2147483648 <= activate_threads_#t~ret5 && activate_threads_#t~ret5 <= 2147483647;activate_threads_~tmp~1 := activate_threads_#t~ret5;havoc activate_threads_#t~ret5; {3832#false} is VALID [2020-07-28 19:15:34,299 INFO L280 TraceCheckUtils]: 14: Hoare triple {3832#false} assume !(0 != activate_threads_~tmp~1); {3832#false} is VALID [2020-07-28 19:15:34,299 INFO L280 TraceCheckUtils]: 15: Hoare triple {3832#false} havoc is_transmit1_triggered_#res;havoc is_transmit1_triggered_~__retres1~1;havoc is_transmit1_triggered_~__retres1~1; {3832#false} is VALID [2020-07-28 19:15:34,300 INFO L280 TraceCheckUtils]: 16: Hoare triple {3832#false} assume 1 == ~t1_pc~0; {3832#false} is VALID [2020-07-28 19:15:34,300 INFO L280 TraceCheckUtils]: 17: Hoare triple {3832#false} assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~1 := 1; {3832#false} is VALID [2020-07-28 19:15:34,300 INFO L280 TraceCheckUtils]: 18: Hoare triple {3832#false} is_transmit1_triggered_#res := is_transmit1_triggered_~__retres1~1; {3832#false} is VALID [2020-07-28 19:15:34,300 INFO L280 TraceCheckUtils]: 19: Hoare triple {3832#false} activate_threads_#t~ret6 := is_transmit1_triggered_#res;assume -2147483648 <= activate_threads_#t~ret6 && activate_threads_#t~ret6 <= 2147483647;activate_threads_~tmp___0~0 := activate_threads_#t~ret6;havoc activate_threads_#t~ret6; {3832#false} is VALID [2020-07-28 19:15:34,301 INFO L280 TraceCheckUtils]: 20: Hoare triple {3832#false} assume 0 != activate_threads_~tmp___0~0;~t1_st~0 := 0; {3832#false} is VALID [2020-07-28 19:15:34,301 INFO L280 TraceCheckUtils]: 21: Hoare triple {3832#false} assume !(1 == ~M_E~0); {3832#false} is VALID [2020-07-28 19:15:34,301 INFO L280 TraceCheckUtils]: 22: Hoare triple {3832#false} assume !(1 == ~T1_E~0); {3832#false} is VALID [2020-07-28 19:15:34,301 INFO L280 TraceCheckUtils]: 23: Hoare triple {3832#false} assume 1 == ~E_M~0;~E_M~0 := 2; {3832#false} is VALID [2020-07-28 19:15:34,302 INFO L280 TraceCheckUtils]: 24: Hoare triple {3832#false} assume !(1 == ~E_1~0); {3832#false} is VALID [2020-07-28 19:15:34,302 INFO L280 TraceCheckUtils]: 25: Hoare triple {3832#false} assume !false; {3832#false} is VALID [2020-07-28 19:15:34,302 INFO L280 TraceCheckUtils]: 26: Hoare triple {3832#false} start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret2, eval_#t~nondet3, eval_~tmp_ndt_1~0, eval_#t~nondet4, eval_~tmp_ndt_2~0, eval_~tmp~0;havoc eval_~tmp~0; {3832#false} is VALID [2020-07-28 19:15:34,302 INFO L280 TraceCheckUtils]: 27: Hoare triple {3832#false} assume !false; {3832#false} is VALID [2020-07-28 19:15:34,303 INFO L280 TraceCheckUtils]: 28: Hoare triple {3832#false} havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; {3832#false} is VALID [2020-07-28 19:15:34,303 INFO L280 TraceCheckUtils]: 29: Hoare triple {3832#false} assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~2 := 1; {3832#false} is VALID [2020-07-28 19:15:34,303 INFO L280 TraceCheckUtils]: 30: Hoare triple {3832#false} exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; {3832#false} is VALID [2020-07-28 19:15:34,304 INFO L280 TraceCheckUtils]: 31: Hoare triple {3832#false} eval_#t~ret2 := exists_runnable_thread_#res;assume -2147483648 <= eval_#t~ret2 && eval_#t~ret2 <= 2147483647;eval_~tmp~0 := eval_#t~ret2;havoc eval_#t~ret2; {3832#false} is VALID [2020-07-28 19:15:34,304 INFO L280 TraceCheckUtils]: 32: Hoare triple {3832#false} assume 0 != eval_~tmp~0; {3832#false} is VALID [2020-07-28 19:15:34,304 INFO L280 TraceCheckUtils]: 33: Hoare triple {3832#false} assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0;assume -2147483648 <= eval_#t~nondet3 && eval_#t~nondet3 <= 2147483647;eval_~tmp_ndt_1~0 := eval_#t~nondet3;havoc eval_#t~nondet3; {3832#false} is VALID [2020-07-28 19:15:34,304 INFO L280 TraceCheckUtils]: 34: Hoare triple {3832#false} assume 0 != eval_~tmp_ndt_1~0;~m_st~0 := 1;havoc master_#t~nondet0, master_#t~nondet1, master_~tmp_var~0;assume -2147483648 <= master_#t~nondet0 && master_#t~nondet0 <= 2147483647;master_~tmp_var~0 := master_#t~nondet0;havoc master_#t~nondet0; {3832#false} is VALID [2020-07-28 19:15:34,305 INFO L280 TraceCheckUtils]: 35: Hoare triple {3832#false} assume !(0 == ~m_pc~0); {3832#false} is VALID [2020-07-28 19:15:34,305 INFO L280 TraceCheckUtils]: 36: Hoare triple {3832#false} assume 1 == ~m_pc~0; {3832#false} is VALID [2020-07-28 19:15:34,305 INFO L280 TraceCheckUtils]: 37: Hoare triple {3832#false} assume ~token~0 != 1 + ~local~0; {3832#false} is VALID [2020-07-28 19:15:34,305 INFO L280 TraceCheckUtils]: 38: Hoare triple {3832#false} assume !false; {3832#false} is VALID [2020-07-28 19:15:34,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:15:34,307 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464979280] [2020-07-28 19:15:34,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:15:34,308 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:15:34,308 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444815930] [2020-07-28 19:15:34,309 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2020-07-28 19:15:34,309 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:15:34,309 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:15:34,346 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:15:34,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:15:34,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:15:34,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:15:34,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:15:34,348 INFO L87 Difference]: Start difference. First operand 242 states and 354 transitions. Second operand 3 states. [2020-07-28 19:15:34,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:34,769 INFO L93 Difference]: Finished difference Result 476 states and 698 transitions. [2020-07-28 19:15:34,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:15:34,769 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2020-07-28 19:15:34,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:15:34,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:15:34,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 408 transitions. [2020-07-28 19:15:34,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:15:34,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 408 transitions. [2020-07-28 19:15:34,775 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 408 transitions. [2020-07-28 19:15:35,200 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 408 edges. 408 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:15:35,208 INFO L225 Difference]: With dead ends: 476 [2020-07-28 19:15:35,208 INFO L226 Difference]: Without dead ends: 242 [2020-07-28 19:15:35,212 INFO L675 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 [2020-07-28 19:15:35,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-07-28 19:15:35,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2020-07-28 19:15:35,379 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:15:35,379 INFO L82 GeneralOperation]: Start isEquivalent. First operand 242 states. Second operand 242 states. [2020-07-28 19:15:35,379 INFO L74 IsIncluded]: Start isIncluded. First operand 242 states. Second operand 242 states. [2020-07-28 19:15:35,380 INFO L87 Difference]: Start difference. First operand 242 states. Second operand 242 states. [2020-07-28 19:15:35,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:35,387 INFO L93 Difference]: Finished difference Result 242 states and 340 transitions. [2020-07-28 19:15:35,387 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 340 transitions. [2020-07-28 19:15:35,388 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:15:35,388 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:15:35,388 INFO L74 IsIncluded]: Start isIncluded. First operand 242 states. Second operand 242 states. [2020-07-28 19:15:35,388 INFO L87 Difference]: Start difference. First operand 242 states. Second operand 242 states. [2020-07-28 19:15:35,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:35,396 INFO L93 Difference]: Finished difference Result 242 states and 340 transitions. [2020-07-28 19:15:35,396 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 340 transitions. [2020-07-28 19:15:35,397 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:15:35,397 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:15:35,397 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:15:35,398 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:15:35,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-07-28 19:15:35,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 340 transitions. [2020-07-28 19:15:35,405 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 340 transitions. Word has length 39 [2020-07-28 19:15:35,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:15:35,405 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 340 transitions. [2020-07-28 19:15:35,406 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:15:35,406 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 340 transitions. [2020-07-28 19:15:35,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-07-28 19:15:35,407 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:15:35,407 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:15:35,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:15:35,407 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:15:35,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:15:35,408 INFO L82 PathProgramCache]: Analyzing trace with hash -752003180, now seen corresponding path program 1 times [2020-07-28 19:15:35,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:15:35,409 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755465369] [2020-07-28 19:15:35,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:15:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:15:35,446 INFO L280 TraceCheckUtils]: 0: Hoare triple {5290#true} ~m_pc~0 := 0;~t1_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~token~0 := 0;~local~0 := 0; {5292#(<= 2 ~E_1~0)} is VALID [2020-07-28 19:15:35,447 INFO L280 TraceCheckUtils]: 1: Hoare triple {5292#(<= 2 ~E_1~0)} havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~m_i~0 := 1;~t1_i~0 := 1; {5292#(<= 2 ~E_1~0)} is VALID [2020-07-28 19:15:35,448 INFO L280 TraceCheckUtils]: 2: Hoare triple {5292#(<= 2 ~E_1~0)} havoc start_simulation_#t~ret8, start_simulation_#t~ret9, start_simulation_~kernel_st~0, start_simulation_~tmp~3, start_simulation_~tmp___0~1;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;havoc start_simulation_~tmp___0~1;start_simulation_~kernel_st~0 := 0; {5292#(<= 2 ~E_1~0)} is VALID [2020-07-28 19:15:35,448 INFO L280 TraceCheckUtils]: 3: Hoare triple {5292#(<= 2 ~E_1~0)} assume 1 == ~m_i~0;~m_st~0 := 0; {5292#(<= 2 ~E_1~0)} is VALID [2020-07-28 19:15:35,449 INFO L280 TraceCheckUtils]: 4: Hoare triple {5292#(<= 2 ~E_1~0)} assume 1 == ~t1_i~0;~t1_st~0 := 0; {5292#(<= 2 ~E_1~0)} is VALID [2020-07-28 19:15:35,449 INFO L280 TraceCheckUtils]: 5: Hoare triple {5292#(<= 2 ~E_1~0)} assume !(0 == ~M_E~0); {5292#(<= 2 ~E_1~0)} is VALID [2020-07-28 19:15:35,450 INFO L280 TraceCheckUtils]: 6: Hoare triple {5292#(<= 2 ~E_1~0)} assume !(0 == ~T1_E~0); {5292#(<= 2 ~E_1~0)} is VALID [2020-07-28 19:15:35,451 INFO L280 TraceCheckUtils]: 7: Hoare triple {5292#(<= 2 ~E_1~0)} assume !(0 == ~E_M~0); {5292#(<= 2 ~E_1~0)} is VALID [2020-07-28 19:15:35,451 INFO L280 TraceCheckUtils]: 8: Hoare triple {5292#(<= 2 ~E_1~0)} assume 0 == ~E_1~0;~E_1~0 := 1; {5291#false} is VALID [2020-07-28 19:15:35,452 INFO L280 TraceCheckUtils]: 9: Hoare triple {5291#false} havoc activate_threads_#t~ret5, activate_threads_#t~ret6, activate_threads_~tmp~1, activate_threads_~tmp___0~0;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~0;havoc is_master_triggered_#res;havoc is_master_triggered_~__retres1~0;havoc is_master_triggered_~__retres1~0; {5291#false} is VALID [2020-07-28 19:15:35,452 INFO L280 TraceCheckUtils]: 10: Hoare triple {5291#false} assume !(1 == ~m_pc~0); {5291#false} is VALID [2020-07-28 19:15:35,452 INFO L280 TraceCheckUtils]: 11: Hoare triple {5291#false} is_master_triggered_~__retres1~0 := 0; {5291#false} is VALID [2020-07-28 19:15:35,452 INFO L280 TraceCheckUtils]: 12: Hoare triple {5291#false} is_master_triggered_#res := is_master_triggered_~__retres1~0; {5291#false} is VALID [2020-07-28 19:15:35,453 INFO L280 TraceCheckUtils]: 13: Hoare triple {5291#false} activate_threads_#t~ret5 := is_master_triggered_#res;assume -2147483648 <= activate_threads_#t~ret5 && activate_threads_#t~ret5 <= 2147483647;activate_threads_~tmp~1 := activate_threads_#t~ret5;havoc activate_threads_#t~ret5; {5291#false} is VALID [2020-07-28 19:15:35,453 INFO L280 TraceCheckUtils]: 14: Hoare triple {5291#false} assume !(0 != activate_threads_~tmp~1); {5291#false} is VALID [2020-07-28 19:15:35,453 INFO L280 TraceCheckUtils]: 15: Hoare triple {5291#false} havoc is_transmit1_triggered_#res;havoc is_transmit1_triggered_~__retres1~1;havoc is_transmit1_triggered_~__retres1~1; {5291#false} is VALID [2020-07-28 19:15:35,453 INFO L280 TraceCheckUtils]: 16: Hoare triple {5291#false} assume 1 == ~t1_pc~0; {5291#false} is VALID [2020-07-28 19:15:35,454 INFO L280 TraceCheckUtils]: 17: Hoare triple {5291#false} assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~1 := 1; {5291#false} is VALID [2020-07-28 19:15:35,454 INFO L280 TraceCheckUtils]: 18: Hoare triple {5291#false} is_transmit1_triggered_#res := is_transmit1_triggered_~__retres1~1; {5291#false} is VALID [2020-07-28 19:15:35,454 INFO L280 TraceCheckUtils]: 19: Hoare triple {5291#false} activate_threads_#t~ret6 := is_transmit1_triggered_#res;assume -2147483648 <= activate_threads_#t~ret6 && activate_threads_#t~ret6 <= 2147483647;activate_threads_~tmp___0~0 := activate_threads_#t~ret6;havoc activate_threads_#t~ret6; {5291#false} is VALID [2020-07-28 19:15:35,454 INFO L280 TraceCheckUtils]: 20: Hoare triple {5291#false} assume 0 != activate_threads_~tmp___0~0;~t1_st~0 := 0; {5291#false} is VALID [2020-07-28 19:15:35,454 INFO L280 TraceCheckUtils]: 21: Hoare triple {5291#false} assume !(1 == ~M_E~0); {5291#false} is VALID [2020-07-28 19:15:35,455 INFO L280 TraceCheckUtils]: 22: Hoare triple {5291#false} assume !(1 == ~T1_E~0); {5291#false} is VALID [2020-07-28 19:15:35,455 INFO L280 TraceCheckUtils]: 23: Hoare triple {5291#false} assume !(1 == ~E_M~0); {5291#false} is VALID [2020-07-28 19:15:35,456 INFO L280 TraceCheckUtils]: 24: Hoare triple {5291#false} assume !(1 == ~E_1~0); {5291#false} is VALID [2020-07-28 19:15:35,456 INFO L280 TraceCheckUtils]: 25: Hoare triple {5291#false} assume !false; {5291#false} is VALID [2020-07-28 19:15:35,456 INFO L280 TraceCheckUtils]: 26: Hoare triple {5291#false} start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret2, eval_#t~nondet3, eval_~tmp_ndt_1~0, eval_#t~nondet4, eval_~tmp_ndt_2~0, eval_~tmp~0;havoc eval_~tmp~0; {5291#false} is VALID [2020-07-28 19:15:35,456 INFO L280 TraceCheckUtils]: 27: Hoare triple {5291#false} assume !false; {5291#false} is VALID [2020-07-28 19:15:35,457 INFO L280 TraceCheckUtils]: 28: Hoare triple {5291#false} havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; {5291#false} is VALID [2020-07-28 19:15:35,457 INFO L280 TraceCheckUtils]: 29: Hoare triple {5291#false} assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~2 := 1; {5291#false} is VALID [2020-07-28 19:15:35,457 INFO L280 TraceCheckUtils]: 30: Hoare triple {5291#false} exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; {5291#false} is VALID [2020-07-28 19:15:35,458 INFO L280 TraceCheckUtils]: 31: Hoare triple {5291#false} eval_#t~ret2 := exists_runnable_thread_#res;assume -2147483648 <= eval_#t~ret2 && eval_#t~ret2 <= 2147483647;eval_~tmp~0 := eval_#t~ret2;havoc eval_#t~ret2; {5291#false} is VALID [2020-07-28 19:15:35,458 INFO L280 TraceCheckUtils]: 32: Hoare triple {5291#false} assume 0 != eval_~tmp~0; {5291#false} is VALID [2020-07-28 19:15:35,458 INFO L280 TraceCheckUtils]: 33: Hoare triple {5291#false} assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0;assume -2147483648 <= eval_#t~nondet3 && eval_#t~nondet3 <= 2147483647;eval_~tmp_ndt_1~0 := eval_#t~nondet3;havoc eval_#t~nondet3; {5291#false} is VALID [2020-07-28 19:15:35,459 INFO L280 TraceCheckUtils]: 34: Hoare triple {5291#false} assume 0 != eval_~tmp_ndt_1~0;~m_st~0 := 1;havoc master_#t~nondet0, master_#t~nondet1, master_~tmp_var~0;assume -2147483648 <= master_#t~nondet0 && master_#t~nondet0 <= 2147483647;master_~tmp_var~0 := master_#t~nondet0;havoc master_#t~nondet0; {5291#false} is VALID [2020-07-28 19:15:35,459 INFO L280 TraceCheckUtils]: 35: Hoare triple {5291#false} assume !(0 == ~m_pc~0); {5291#false} is VALID [2020-07-28 19:15:35,459 INFO L280 TraceCheckUtils]: 36: Hoare triple {5291#false} assume 1 == ~m_pc~0; {5291#false} is VALID [2020-07-28 19:15:35,460 INFO L280 TraceCheckUtils]: 37: Hoare triple {5291#false} assume ~token~0 != 1 + ~local~0; {5291#false} is VALID [2020-07-28 19:15:35,460 INFO L280 TraceCheckUtils]: 38: Hoare triple {5291#false} assume !false; {5291#false} is VALID [2020-07-28 19:15:35,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:15:35,462 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755465369] [2020-07-28 19:15:35,463 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:15:35,463 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:15:35,463 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151316536] [2020-07-28 19:15:35,464 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2020-07-28 19:15:35,464 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:15:35,464 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:15:35,510 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:15:35,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:15:35,511 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:15:35,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:15:35,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:15:35,512 INFO L87 Difference]: Start difference. First operand 242 states and 340 transitions. Second operand 3 states. [2020-07-28 19:15:36,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:36,013 INFO L93 Difference]: Finished difference Result 475 states and 669 transitions. [2020-07-28 19:15:36,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:15:36,013 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2020-07-28 19:15:36,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:15:36,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:15:36,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 389 transitions. [2020-07-28 19:15:36,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:15:36,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 389 transitions. [2020-07-28 19:15:36,019 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 389 transitions. [2020-07-28 19:15:36,417 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 389 edges. 389 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:15:36,424 INFO L225 Difference]: With dead ends: 475 [2020-07-28 19:15:36,424 INFO L226 Difference]: Without dead ends: 242 [2020-07-28 19:15:36,425 INFO L675 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 [2020-07-28 19:15:36,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-07-28 19:15:36,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2020-07-28 19:15:36,662 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:15:36,663 INFO L82 GeneralOperation]: Start isEquivalent. First operand 242 states. Second operand 242 states. [2020-07-28 19:15:36,663 INFO L74 IsIncluded]: Start isIncluded. First operand 242 states. Second operand 242 states. [2020-07-28 19:15:36,663 INFO L87 Difference]: Start difference. First operand 242 states. Second operand 242 states. [2020-07-28 19:15:36,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:36,670 INFO L93 Difference]: Finished difference Result 242 states and 326 transitions. [2020-07-28 19:15:36,671 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 326 transitions. [2020-07-28 19:15:36,671 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:15:36,672 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:15:36,672 INFO L74 IsIncluded]: Start isIncluded. First operand 242 states. Second operand 242 states. [2020-07-28 19:15:36,672 INFO L87 Difference]: Start difference. First operand 242 states. Second operand 242 states. [2020-07-28 19:15:36,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:36,679 INFO L93 Difference]: Finished difference Result 242 states and 326 transitions. [2020-07-28 19:15:36,680 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 326 transitions. [2020-07-28 19:15:36,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:15:36,681 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:15:36,681 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:15:36,681 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:15:36,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-07-28 19:15:36,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 326 transitions. [2020-07-28 19:15:36,689 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 326 transitions. Word has length 39 [2020-07-28 19:15:36,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:15:36,689 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 326 transitions. [2020-07-28 19:15:36,690 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:15:36,690 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 326 transitions. [2020-07-28 19:15:36,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-07-28 19:15:36,691 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:15:36,691 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:15:36,691 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:15:36,692 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:15:36,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:15:36,692 INFO L82 PathProgramCache]: Analyzing trace with hash 729577623, now seen corresponding path program 1 times [2020-07-28 19:15:36,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:15:36,693 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193396702] [2020-07-28 19:15:36,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:15:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:15:36,756 INFO L280 TraceCheckUtils]: 0: Hoare triple {6748#true} ~m_pc~0 := 0;~t1_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~token~0 := 0;~local~0 := 0; {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,757 INFO L280 TraceCheckUtils]: 1: Hoare triple {6750#(= 0 ~m_pc~0)} havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~m_i~0 := 1;~t1_i~0 := 1; {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,758 INFO L280 TraceCheckUtils]: 2: Hoare triple {6750#(= 0 ~m_pc~0)} havoc start_simulation_#t~ret8, start_simulation_#t~ret9, start_simulation_~kernel_st~0, start_simulation_~tmp~3, start_simulation_~tmp___0~1;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;havoc start_simulation_~tmp___0~1;start_simulation_~kernel_st~0 := 0; {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,759 INFO L280 TraceCheckUtils]: 3: Hoare triple {6750#(= 0 ~m_pc~0)} assume 1 == ~m_i~0;~m_st~0 := 0; {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,759 INFO L280 TraceCheckUtils]: 4: Hoare triple {6750#(= 0 ~m_pc~0)} assume 1 == ~t1_i~0;~t1_st~0 := 0; {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,760 INFO L280 TraceCheckUtils]: 5: Hoare triple {6750#(= 0 ~m_pc~0)} assume !(0 == ~M_E~0); {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,761 INFO L280 TraceCheckUtils]: 6: Hoare triple {6750#(= 0 ~m_pc~0)} assume !(0 == ~T1_E~0); {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,761 INFO L280 TraceCheckUtils]: 7: Hoare triple {6750#(= 0 ~m_pc~0)} assume !(0 == ~E_M~0); {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,762 INFO L280 TraceCheckUtils]: 8: Hoare triple {6750#(= 0 ~m_pc~0)} assume !(0 == ~E_1~0); {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,763 INFO L280 TraceCheckUtils]: 9: Hoare triple {6750#(= 0 ~m_pc~0)} havoc activate_threads_#t~ret5, activate_threads_#t~ret6, activate_threads_~tmp~1, activate_threads_~tmp___0~0;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~0;havoc is_master_triggered_#res;havoc is_master_triggered_~__retres1~0;havoc is_master_triggered_~__retres1~0; {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,770 INFO L280 TraceCheckUtils]: 10: Hoare triple {6750#(= 0 ~m_pc~0)} assume !(1 == ~m_pc~0); {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,771 INFO L280 TraceCheckUtils]: 11: Hoare triple {6750#(= 0 ~m_pc~0)} is_master_triggered_~__retres1~0 := 0; {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,772 INFO L280 TraceCheckUtils]: 12: Hoare triple {6750#(= 0 ~m_pc~0)} is_master_triggered_#res := is_master_triggered_~__retres1~0; {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,773 INFO L280 TraceCheckUtils]: 13: Hoare triple {6750#(= 0 ~m_pc~0)} activate_threads_#t~ret5 := is_master_triggered_#res;assume -2147483648 <= activate_threads_#t~ret5 && activate_threads_#t~ret5 <= 2147483647;activate_threads_~tmp~1 := activate_threads_#t~ret5;havoc activate_threads_#t~ret5; {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,773 INFO L280 TraceCheckUtils]: 14: Hoare triple {6750#(= 0 ~m_pc~0)} assume !(0 != activate_threads_~tmp~1); {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,774 INFO L280 TraceCheckUtils]: 15: Hoare triple {6750#(= 0 ~m_pc~0)} havoc is_transmit1_triggered_#res;havoc is_transmit1_triggered_~__retres1~1;havoc is_transmit1_triggered_~__retres1~1; {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,775 INFO L280 TraceCheckUtils]: 16: Hoare triple {6750#(= 0 ~m_pc~0)} assume !(1 == ~t1_pc~0); {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,776 INFO L280 TraceCheckUtils]: 17: Hoare triple {6750#(= 0 ~m_pc~0)} is_transmit1_triggered_~__retres1~1 := 0; {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,777 INFO L280 TraceCheckUtils]: 18: Hoare triple {6750#(= 0 ~m_pc~0)} is_transmit1_triggered_#res := is_transmit1_triggered_~__retres1~1; {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,777 INFO L280 TraceCheckUtils]: 19: Hoare triple {6750#(= 0 ~m_pc~0)} activate_threads_#t~ret6 := is_transmit1_triggered_#res;assume -2147483648 <= activate_threads_#t~ret6 && activate_threads_#t~ret6 <= 2147483647;activate_threads_~tmp___0~0 := activate_threads_#t~ret6;havoc activate_threads_#t~ret6; {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,778 INFO L280 TraceCheckUtils]: 20: Hoare triple {6750#(= 0 ~m_pc~0)} assume 0 != activate_threads_~tmp___0~0;~t1_st~0 := 0; {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,779 INFO L280 TraceCheckUtils]: 21: Hoare triple {6750#(= 0 ~m_pc~0)} assume !(1 == ~M_E~0); {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,780 INFO L280 TraceCheckUtils]: 22: Hoare triple {6750#(= 0 ~m_pc~0)} assume !(1 == ~T1_E~0); {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,781 INFO L280 TraceCheckUtils]: 23: Hoare triple {6750#(= 0 ~m_pc~0)} assume !(1 == ~E_M~0); {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,781 INFO L280 TraceCheckUtils]: 24: Hoare triple {6750#(= 0 ~m_pc~0)} assume !(1 == ~E_1~0); {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,782 INFO L280 TraceCheckUtils]: 25: Hoare triple {6750#(= 0 ~m_pc~0)} assume !false; {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,783 INFO L280 TraceCheckUtils]: 26: Hoare triple {6750#(= 0 ~m_pc~0)} start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret2, eval_#t~nondet3, eval_~tmp_ndt_1~0, eval_#t~nondet4, eval_~tmp_ndt_2~0, eval_~tmp~0;havoc eval_~tmp~0; {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,784 INFO L280 TraceCheckUtils]: 27: Hoare triple {6750#(= 0 ~m_pc~0)} assume !false; {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,784 INFO L280 TraceCheckUtils]: 28: Hoare triple {6750#(= 0 ~m_pc~0)} havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,785 INFO L280 TraceCheckUtils]: 29: Hoare triple {6750#(= 0 ~m_pc~0)} assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~2 := 1; {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,786 INFO L280 TraceCheckUtils]: 30: Hoare triple {6750#(= 0 ~m_pc~0)} exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,787 INFO L280 TraceCheckUtils]: 31: Hoare triple {6750#(= 0 ~m_pc~0)} eval_#t~ret2 := exists_runnable_thread_#res;assume -2147483648 <= eval_#t~ret2 && eval_#t~ret2 <= 2147483647;eval_~tmp~0 := eval_#t~ret2;havoc eval_#t~ret2; {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,788 INFO L280 TraceCheckUtils]: 32: Hoare triple {6750#(= 0 ~m_pc~0)} assume 0 != eval_~tmp~0; {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,789 INFO L280 TraceCheckUtils]: 33: Hoare triple {6750#(= 0 ~m_pc~0)} assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0;assume -2147483648 <= eval_#t~nondet3 && eval_#t~nondet3 <= 2147483647;eval_~tmp_ndt_1~0 := eval_#t~nondet3;havoc eval_#t~nondet3; {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,789 INFO L280 TraceCheckUtils]: 34: Hoare triple {6750#(= 0 ~m_pc~0)} assume 0 != eval_~tmp_ndt_1~0;~m_st~0 := 1;havoc master_#t~nondet0, master_#t~nondet1, master_~tmp_var~0;assume -2147483648 <= master_#t~nondet0 && master_#t~nondet0 <= 2147483647;master_~tmp_var~0 := master_#t~nondet0;havoc master_#t~nondet0; {6750#(= 0 ~m_pc~0)} is VALID [2020-07-28 19:15:36,790 INFO L280 TraceCheckUtils]: 35: Hoare triple {6750#(= 0 ~m_pc~0)} assume !(0 == ~m_pc~0); {6749#false} is VALID [2020-07-28 19:15:36,791 INFO L280 TraceCheckUtils]: 36: Hoare triple {6749#false} assume 1 == ~m_pc~0; {6749#false} is VALID [2020-07-28 19:15:36,791 INFO L280 TraceCheckUtils]: 37: Hoare triple {6749#false} assume ~token~0 != 1 + ~local~0; {6749#false} is VALID [2020-07-28 19:15:36,791 INFO L280 TraceCheckUtils]: 38: Hoare triple {6749#false} assume !false; {6749#false} is VALID [2020-07-28 19:15:36,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:15:36,796 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193396702] [2020-07-28 19:15:36,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:15:36,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:15:36,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161697776] [2020-07-28 19:15:36,797 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2020-07-28 19:15:36,798 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:15:36,798 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:15:36,850 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:15:36,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:15:36,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:15:36,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:15:36,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:15:36,851 INFO L87 Difference]: Start difference. First operand 242 states and 326 transitions. Second operand 3 states. [2020-07-28 19:15:37,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:37,582 INFO L93 Difference]: Finished difference Result 662 states and 893 transitions. [2020-07-28 19:15:37,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:15:37,582 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2020-07-28 19:15:37,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:15:37,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:15:37,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 506 transitions. [2020-07-28 19:15:37,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:15:37,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 506 transitions. [2020-07-28 19:15:37,589 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 506 transitions. [2020-07-28 19:15:38,034 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 506 edges. 506 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:15:38,049 INFO L225 Difference]: With dead ends: 662 [2020-07-28 19:15:38,050 INFO L226 Difference]: Without dead ends: 431 [2020-07-28 19:15:38,051 INFO L675 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 [2020-07-28 19:15:38,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2020-07-28 19:15:38,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 407. [2020-07-28 19:15:38,492 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:15:38,492 INFO L82 GeneralOperation]: Start isEquivalent. First operand 431 states. Second operand 407 states. [2020-07-28 19:15:38,492 INFO L74 IsIncluded]: Start isIncluded. First operand 431 states. Second operand 407 states. [2020-07-28 19:15:38,492 INFO L87 Difference]: Start difference. First operand 431 states. Second operand 407 states. [2020-07-28 19:15:38,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:38,505 INFO L93 Difference]: Finished difference Result 431 states and 570 transitions. [2020-07-28 19:15:38,505 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 570 transitions. [2020-07-28 19:15:38,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:15:38,507 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:15:38,507 INFO L74 IsIncluded]: Start isIncluded. First operand 407 states. Second operand 431 states. [2020-07-28 19:15:38,507 INFO L87 Difference]: Start difference. First operand 407 states. Second operand 431 states. [2020-07-28 19:15:38,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:38,520 INFO L93 Difference]: Finished difference Result 431 states and 570 transitions. [2020-07-28 19:15:38,520 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 570 transitions. [2020-07-28 19:15:38,521 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:15:38,521 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:15:38,521 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:15:38,522 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:15:38,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2020-07-28 19:15:38,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 538 transitions. [2020-07-28 19:15:38,537 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 538 transitions. Word has length 39 [2020-07-28 19:15:38,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:15:38,537 INFO L479 AbstractCegarLoop]: Abstraction has 407 states and 538 transitions. [2020-07-28 19:15:38,537 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:15:38,537 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 538 transitions. [2020-07-28 19:15:38,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-28 19:15:38,538 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:15:38,538 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:15:38,539 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 19:15:38,539 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:15:38,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:15:38,539 INFO L82 PathProgramCache]: Analyzing trace with hash 407580417, now seen corresponding path program 1 times [2020-07-28 19:15:38,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:15:38,540 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557338600] [2020-07-28 19:15:38,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:15:38,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:15:38,643 INFO L280 TraceCheckUtils]: 0: Hoare triple {9073#true} ~m_pc~0 := 0;~t1_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~token~0 := 0;~local~0 := 0; {9073#true} is VALID [2020-07-28 19:15:38,643 INFO L280 TraceCheckUtils]: 1: Hoare triple {9073#true} havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~m_i~0 := 1;~t1_i~0 := 1; {9073#true} is VALID [2020-07-28 19:15:38,643 INFO L280 TraceCheckUtils]: 2: Hoare triple {9073#true} havoc start_simulation_#t~ret8, start_simulation_#t~ret9, start_simulation_~kernel_st~0, start_simulation_~tmp~3, start_simulation_~tmp___0~1;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;havoc start_simulation_~tmp___0~1;start_simulation_~kernel_st~0 := 0; {9073#true} is VALID [2020-07-28 19:15:38,644 INFO L280 TraceCheckUtils]: 3: Hoare triple {9073#true} assume 1 == ~m_i~0;~m_st~0 := 0; {9073#true} is VALID [2020-07-28 19:15:38,644 INFO L280 TraceCheckUtils]: 4: Hoare triple {9073#true} assume 1 == ~t1_i~0;~t1_st~0 := 0; {9073#true} is VALID [2020-07-28 19:15:38,644 INFO L280 TraceCheckUtils]: 5: Hoare triple {9073#true} assume !(0 == ~M_E~0); {9073#true} is VALID [2020-07-28 19:15:38,644 INFO L280 TraceCheckUtils]: 6: Hoare triple {9073#true} assume !(0 == ~T1_E~0); {9073#true} is VALID [2020-07-28 19:15:38,645 INFO L280 TraceCheckUtils]: 7: Hoare triple {9073#true} assume !(0 == ~E_M~0); {9073#true} is VALID [2020-07-28 19:15:38,645 INFO L280 TraceCheckUtils]: 8: Hoare triple {9073#true} assume !(0 == ~E_1~0); {9073#true} is VALID [2020-07-28 19:15:38,645 INFO L280 TraceCheckUtils]: 9: Hoare triple {9073#true} havoc activate_threads_#t~ret5, activate_threads_#t~ret6, activate_threads_~tmp~1, activate_threads_~tmp___0~0;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~0;havoc is_master_triggered_#res;havoc is_master_triggered_~__retres1~0;havoc is_master_triggered_~__retres1~0; {9073#true} is VALID [2020-07-28 19:15:38,645 INFO L280 TraceCheckUtils]: 10: Hoare triple {9073#true} assume !(1 == ~m_pc~0); {9073#true} is VALID [2020-07-28 19:15:38,645 INFO L280 TraceCheckUtils]: 11: Hoare triple {9073#true} is_master_triggered_~__retres1~0 := 0; {9073#true} is VALID [2020-07-28 19:15:38,646 INFO L280 TraceCheckUtils]: 12: Hoare triple {9073#true} is_master_triggered_#res := is_master_triggered_~__retres1~0; {9073#true} is VALID [2020-07-28 19:15:38,646 INFO L280 TraceCheckUtils]: 13: Hoare triple {9073#true} activate_threads_#t~ret5 := is_master_triggered_#res;assume -2147483648 <= activate_threads_#t~ret5 && activate_threads_#t~ret5 <= 2147483647;activate_threads_~tmp~1 := activate_threads_#t~ret5;havoc activate_threads_#t~ret5; {9073#true} is VALID [2020-07-28 19:15:38,646 INFO L280 TraceCheckUtils]: 14: Hoare triple {9073#true} assume !(0 != activate_threads_~tmp~1); {9073#true} is VALID [2020-07-28 19:15:38,646 INFO L280 TraceCheckUtils]: 15: Hoare triple {9073#true} havoc is_transmit1_triggered_#res;havoc is_transmit1_triggered_~__retres1~1;havoc is_transmit1_triggered_~__retres1~1; {9073#true} is VALID [2020-07-28 19:15:38,647 INFO L280 TraceCheckUtils]: 16: Hoare triple {9073#true} assume !(1 == ~t1_pc~0); {9073#true} is VALID [2020-07-28 19:15:38,647 INFO L280 TraceCheckUtils]: 17: Hoare triple {9073#true} is_transmit1_triggered_~__retres1~1 := 0; {9073#true} is VALID [2020-07-28 19:15:38,648 INFO L280 TraceCheckUtils]: 18: Hoare triple {9073#true} is_transmit1_triggered_#res := is_transmit1_triggered_~__retres1~1; {9073#true} is VALID [2020-07-28 19:15:38,648 INFO L280 TraceCheckUtils]: 19: Hoare triple {9073#true} activate_threads_#t~ret6 := is_transmit1_triggered_#res;assume -2147483648 <= activate_threads_#t~ret6 && activate_threads_#t~ret6 <= 2147483647;activate_threads_~tmp___0~0 := activate_threads_#t~ret6;havoc activate_threads_#t~ret6; {9073#true} is VALID [2020-07-28 19:15:38,649 INFO L280 TraceCheckUtils]: 20: Hoare triple {9073#true} assume 0 != activate_threads_~tmp___0~0;~t1_st~0 := 0; {9073#true} is VALID [2020-07-28 19:15:38,652 INFO L280 TraceCheckUtils]: 21: Hoare triple {9073#true} assume !(1 == ~M_E~0); {9073#true} is VALID [2020-07-28 19:15:38,652 INFO L280 TraceCheckUtils]: 22: Hoare triple {9073#true} assume !(1 == ~T1_E~0); {9073#true} is VALID [2020-07-28 19:15:38,652 INFO L280 TraceCheckUtils]: 23: Hoare triple {9073#true} assume !(1 == ~E_M~0); {9073#true} is VALID [2020-07-28 19:15:38,652 INFO L280 TraceCheckUtils]: 24: Hoare triple {9073#true} assume !(1 == ~E_1~0); {9073#true} is VALID [2020-07-28 19:15:38,653 INFO L280 TraceCheckUtils]: 25: Hoare triple {9073#true} assume !false; {9073#true} is VALID [2020-07-28 19:15:38,653 INFO L280 TraceCheckUtils]: 26: Hoare triple {9073#true} start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret2, eval_#t~nondet3, eval_~tmp_ndt_1~0, eval_#t~nondet4, eval_~tmp_ndt_2~0, eval_~tmp~0;havoc eval_~tmp~0; {9073#true} is VALID [2020-07-28 19:15:38,653 INFO L280 TraceCheckUtils]: 27: Hoare triple {9073#true} assume !false; {9073#true} is VALID [2020-07-28 19:15:38,654 INFO L280 TraceCheckUtils]: 28: Hoare triple {9073#true} havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; {9073#true} is VALID [2020-07-28 19:15:38,655 INFO L280 TraceCheckUtils]: 29: Hoare triple {9073#true} assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~2 := 1; {9073#true} is VALID [2020-07-28 19:15:38,655 INFO L280 TraceCheckUtils]: 30: Hoare triple {9073#true} exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; {9073#true} is VALID [2020-07-28 19:15:38,655 INFO L280 TraceCheckUtils]: 31: Hoare triple {9073#true} eval_#t~ret2 := exists_runnable_thread_#res;assume -2147483648 <= eval_#t~ret2 && eval_#t~ret2 <= 2147483647;eval_~tmp~0 := eval_#t~ret2;havoc eval_#t~ret2; {9073#true} is VALID [2020-07-28 19:15:38,655 INFO L280 TraceCheckUtils]: 32: Hoare triple {9073#true} assume 0 != eval_~tmp~0; {9073#true} is VALID [2020-07-28 19:15:38,656 INFO L280 TraceCheckUtils]: 33: Hoare triple {9073#true} assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0;assume -2147483648 <= eval_#t~nondet3 && eval_#t~nondet3 <= 2147483647;eval_~tmp_ndt_1~0 := eval_#t~nondet3;havoc eval_#t~nondet3; {9073#true} is VALID [2020-07-28 19:15:38,656 INFO L280 TraceCheckUtils]: 34: Hoare triple {9073#true} assume 0 != eval_~tmp_ndt_1~0;~m_st~0 := 1;havoc master_#t~nondet0, master_#t~nondet1, master_~tmp_var~0;assume -2147483648 <= master_#t~nondet0 && master_#t~nondet0 <= 2147483647;master_~tmp_var~0 := master_#t~nondet0;havoc master_#t~nondet0; {9073#true} is VALID [2020-07-28 19:15:38,656 INFO L280 TraceCheckUtils]: 35: Hoare triple {9073#true} assume 0 == ~m_pc~0; {9073#true} is VALID [2020-07-28 19:15:38,656 INFO L280 TraceCheckUtils]: 36: Hoare triple {9073#true} assume !false; {9073#true} is VALID [2020-07-28 19:15:38,657 INFO L280 TraceCheckUtils]: 37: Hoare triple {9073#true} assume -2147483648 <= master_#t~nondet1 && master_#t~nondet1 <= 2147483647;~token~0 := master_#t~nondet1;havoc master_#t~nondet1;~local~0 := ~token~0;~E_1~0 := 1;havoc activate_threads_#t~ret5, activate_threads_#t~ret6, activate_threads_~tmp~1, activate_threads_~tmp___0~0;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~0;havoc is_master_triggered_#res;havoc is_master_triggered_~__retres1~0;havoc is_master_triggered_~__retres1~0; {9073#true} is VALID [2020-07-28 19:15:38,657 INFO L280 TraceCheckUtils]: 38: Hoare triple {9073#true} assume !(1 == ~m_pc~0); {9073#true} is VALID [2020-07-28 19:15:38,658 INFO L280 TraceCheckUtils]: 39: Hoare triple {9073#true} is_master_triggered_~__retres1~0 := 0; {9075#(= 0 ULTIMATE.start_is_master_triggered_~__retres1~0)} is VALID [2020-07-28 19:15:38,658 INFO L280 TraceCheckUtils]: 40: Hoare triple {9075#(= 0 ULTIMATE.start_is_master_triggered_~__retres1~0)} is_master_triggered_#res := is_master_triggered_~__retres1~0; {9076#(= 0 |ULTIMATE.start_is_master_triggered_#res|)} is VALID [2020-07-28 19:15:38,659 INFO L280 TraceCheckUtils]: 41: Hoare triple {9076#(= 0 |ULTIMATE.start_is_master_triggered_#res|)} activate_threads_#t~ret5 := is_master_triggered_#res;assume -2147483648 <= activate_threads_#t~ret5 && activate_threads_#t~ret5 <= 2147483647;activate_threads_~tmp~1 := activate_threads_#t~ret5;havoc activate_threads_#t~ret5; {9077#(= 0 ULTIMATE.start_activate_threads_~tmp~1)} is VALID [2020-07-28 19:15:38,660 INFO L280 TraceCheckUtils]: 42: Hoare triple {9077#(= 0 ULTIMATE.start_activate_threads_~tmp~1)} assume 0 != activate_threads_~tmp~1;~m_st~0 := 0; {9074#false} is VALID [2020-07-28 19:15:38,660 INFO L280 TraceCheckUtils]: 43: Hoare triple {9074#false} havoc is_transmit1_triggered_#res;havoc is_transmit1_triggered_~__retres1~1;havoc is_transmit1_triggered_~__retres1~1; {9074#false} is VALID [2020-07-28 19:15:38,660 INFO L280 TraceCheckUtils]: 44: Hoare triple {9074#false} assume 1 == ~t1_pc~0; {9074#false} is VALID [2020-07-28 19:15:38,661 INFO L280 TraceCheckUtils]: 45: Hoare triple {9074#false} assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~1 := 1; {9074#false} is VALID [2020-07-28 19:15:38,661 INFO L280 TraceCheckUtils]: 46: Hoare triple {9074#false} is_transmit1_triggered_#res := is_transmit1_triggered_~__retres1~1; {9074#false} is VALID [2020-07-28 19:15:38,661 INFO L280 TraceCheckUtils]: 47: Hoare triple {9074#false} activate_threads_#t~ret6 := is_transmit1_triggered_#res;assume -2147483648 <= activate_threads_#t~ret6 && activate_threads_#t~ret6 <= 2147483647;activate_threads_~tmp___0~0 := activate_threads_#t~ret6;havoc activate_threads_#t~ret6; {9074#false} is VALID [2020-07-28 19:15:38,661 INFO L280 TraceCheckUtils]: 48: Hoare triple {9074#false} assume 0 != activate_threads_~tmp___0~0;~t1_st~0 := 0; {9074#false} is VALID [2020-07-28 19:15:38,661 INFO L280 TraceCheckUtils]: 49: Hoare triple {9074#false} ~E_1~0 := 2;~m_pc~0 := 1;~m_st~0 := 2; {9074#false} is VALID [2020-07-28 19:15:38,662 INFO L280 TraceCheckUtils]: 50: Hoare triple {9074#false} assume !(0 == ~t1_st~0); {9074#false} is VALID [2020-07-28 19:15:38,662 INFO L280 TraceCheckUtils]: 51: Hoare triple {9074#false} assume !false; {9074#false} is VALID [2020-07-28 19:15:38,662 INFO L280 TraceCheckUtils]: 52: Hoare triple {9074#false} havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; {9074#false} is VALID [2020-07-28 19:15:38,662 INFO L280 TraceCheckUtils]: 53: Hoare triple {9074#false} assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~2 := 1; {9074#false} is VALID [2020-07-28 19:15:38,662 INFO L280 TraceCheckUtils]: 54: Hoare triple {9074#false} exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; {9074#false} is VALID [2020-07-28 19:15:38,663 INFO L280 TraceCheckUtils]: 55: Hoare triple {9074#false} eval_#t~ret2 := exists_runnable_thread_#res;assume -2147483648 <= eval_#t~ret2 && eval_#t~ret2 <= 2147483647;eval_~tmp~0 := eval_#t~ret2;havoc eval_#t~ret2; {9074#false} is VALID [2020-07-28 19:15:38,663 INFO L280 TraceCheckUtils]: 56: Hoare triple {9074#false} assume 0 != eval_~tmp~0; {9074#false} is VALID [2020-07-28 19:15:38,663 INFO L280 TraceCheckUtils]: 57: Hoare triple {9074#false} assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0;assume -2147483648 <= eval_#t~nondet3 && eval_#t~nondet3 <= 2147483647;eval_~tmp_ndt_1~0 := eval_#t~nondet3;havoc eval_#t~nondet3; {9074#false} is VALID [2020-07-28 19:15:38,663 INFO L280 TraceCheckUtils]: 58: Hoare triple {9074#false} assume 0 != eval_~tmp_ndt_1~0;~m_st~0 := 1;havoc master_#t~nondet0, master_#t~nondet1, master_~tmp_var~0;assume -2147483648 <= master_#t~nondet0 && master_#t~nondet0 <= 2147483647;master_~tmp_var~0 := master_#t~nondet0;havoc master_#t~nondet0; {9074#false} is VALID [2020-07-28 19:15:38,664 INFO L280 TraceCheckUtils]: 59: Hoare triple {9074#false} assume !(0 == ~m_pc~0); {9074#false} is VALID [2020-07-28 19:15:38,664 INFO L280 TraceCheckUtils]: 60: Hoare triple {9074#false} assume 1 == ~m_pc~0; {9074#false} is VALID [2020-07-28 19:15:38,664 INFO L280 TraceCheckUtils]: 61: Hoare triple {9074#false} assume ~token~0 != 1 + ~local~0; {9074#false} is VALID [2020-07-28 19:15:38,665 INFO L280 TraceCheckUtils]: 62: Hoare triple {9074#false} assume !false; {9074#false} is VALID [2020-07-28 19:15:38,669 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:15:38,670 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557338600] [2020-07-28 19:15:38,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:15:38,670 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:15:38,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895525570] [2020-07-28 19:15:38,672 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2020-07-28 19:15:38,672 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:15:38,672 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:15:38,739 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:15:38,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:15:38,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:15:38,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:15:38,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:15:38,740 INFO L87 Difference]: Start difference. First operand 407 states and 538 transitions. Second operand 5 states. [2020-07-28 19:15:40,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:40,184 INFO L93 Difference]: Finished difference Result 985 states and 1321 transitions. [2020-07-28 19:15:40,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:15:40,185 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2020-07-28 19:15:40,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:15:40,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:15:40,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 491 transitions. [2020-07-28 19:15:40,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:15:40,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 491 transitions. [2020-07-28 19:15:40,191 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 491 transitions. [2020-07-28 19:15:40,677 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 491 edges. 491 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:15:40,702 INFO L225 Difference]: With dead ends: 985 [2020-07-28 19:15:40,702 INFO L226 Difference]: Without dead ends: 593 [2020-07-28 19:15:40,704 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 19:15:40,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2020-07-28 19:15:41,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 413. [2020-07-28 19:15:41,281 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:15:41,282 INFO L82 GeneralOperation]: Start isEquivalent. First operand 593 states. Second operand 413 states. [2020-07-28 19:15:41,282 INFO L74 IsIncluded]: Start isIncluded. First operand 593 states. Second operand 413 states. [2020-07-28 19:15:41,282 INFO L87 Difference]: Start difference. First operand 593 states. Second operand 413 states. [2020-07-28 19:15:41,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:41,304 INFO L93 Difference]: Finished difference Result 593 states and 787 transitions. [2020-07-28 19:15:41,305 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 787 transitions. [2020-07-28 19:15:41,306 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:15:41,306 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:15:41,306 INFO L74 IsIncluded]: Start isIncluded. First operand 413 states. Second operand 593 states. [2020-07-28 19:15:41,307 INFO L87 Difference]: Start difference. First operand 413 states. Second operand 593 states. [2020-07-28 19:15:41,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:41,329 INFO L93 Difference]: Finished difference Result 593 states and 787 transitions. [2020-07-28 19:15:41,329 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 787 transitions. [2020-07-28 19:15:41,330 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:15:41,330 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:15:41,331 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:15:41,331 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:15:41,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-07-28 19:15:41,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 533 transitions. [2020-07-28 19:15:41,350 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 533 transitions. Word has length 63 [2020-07-28 19:15:41,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:15:41,350 INFO L479 AbstractCegarLoop]: Abstraction has 413 states and 533 transitions. [2020-07-28 19:15:41,350 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:15:41,350 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 533 transitions. [2020-07-28 19:15:41,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-28 19:15:41,354 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:15:41,354 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:15:41,355 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 19:15:41,355 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:15:41,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:15:41,356 INFO L82 PathProgramCache]: Analyzing trace with hash 830282243, now seen corresponding path program 1 times [2020-07-28 19:15:41,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:15:41,361 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687254178] [2020-07-28 19:15:41,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:15:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:15:41,476 INFO L280 TraceCheckUtils]: 0: Hoare triple {12179#true} ~m_pc~0 := 0;~t1_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~token~0 := 0;~local~0 := 0; {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,477 INFO L280 TraceCheckUtils]: 1: Hoare triple {12181#(<= ~t1_pc~0 0)} havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~m_i~0 := 1;~t1_i~0 := 1; {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,478 INFO L280 TraceCheckUtils]: 2: Hoare triple {12181#(<= ~t1_pc~0 0)} havoc start_simulation_#t~ret8, start_simulation_#t~ret9, start_simulation_~kernel_st~0, start_simulation_~tmp~3, start_simulation_~tmp___0~1;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;havoc start_simulation_~tmp___0~1;start_simulation_~kernel_st~0 := 0; {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,479 INFO L280 TraceCheckUtils]: 3: Hoare triple {12181#(<= ~t1_pc~0 0)} assume 1 == ~m_i~0;~m_st~0 := 0; {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,479 INFO L280 TraceCheckUtils]: 4: Hoare triple {12181#(<= ~t1_pc~0 0)} assume 1 == ~t1_i~0;~t1_st~0 := 0; {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,480 INFO L280 TraceCheckUtils]: 5: Hoare triple {12181#(<= ~t1_pc~0 0)} assume !(0 == ~M_E~0); {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,480 INFO L280 TraceCheckUtils]: 6: Hoare triple {12181#(<= ~t1_pc~0 0)} assume !(0 == ~T1_E~0); {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,481 INFO L280 TraceCheckUtils]: 7: Hoare triple {12181#(<= ~t1_pc~0 0)} assume !(0 == ~E_M~0); {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,482 INFO L280 TraceCheckUtils]: 8: Hoare triple {12181#(<= ~t1_pc~0 0)} assume !(0 == ~E_1~0); {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,482 INFO L280 TraceCheckUtils]: 9: Hoare triple {12181#(<= ~t1_pc~0 0)} havoc activate_threads_#t~ret5, activate_threads_#t~ret6, activate_threads_~tmp~1, activate_threads_~tmp___0~0;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~0;havoc is_master_triggered_#res;havoc is_master_triggered_~__retres1~0;havoc is_master_triggered_~__retres1~0; {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,483 INFO L280 TraceCheckUtils]: 10: Hoare triple {12181#(<= ~t1_pc~0 0)} assume !(1 == ~m_pc~0); {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,484 INFO L280 TraceCheckUtils]: 11: Hoare triple {12181#(<= ~t1_pc~0 0)} is_master_triggered_~__retres1~0 := 0; {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,484 INFO L280 TraceCheckUtils]: 12: Hoare triple {12181#(<= ~t1_pc~0 0)} is_master_triggered_#res := is_master_triggered_~__retres1~0; {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,485 INFO L280 TraceCheckUtils]: 13: Hoare triple {12181#(<= ~t1_pc~0 0)} activate_threads_#t~ret5 := is_master_triggered_#res;assume -2147483648 <= activate_threads_#t~ret5 && activate_threads_#t~ret5 <= 2147483647;activate_threads_~tmp~1 := activate_threads_#t~ret5;havoc activate_threads_#t~ret5; {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,486 INFO L280 TraceCheckUtils]: 14: Hoare triple {12181#(<= ~t1_pc~0 0)} assume !(0 != activate_threads_~tmp~1); {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,486 INFO L280 TraceCheckUtils]: 15: Hoare triple {12181#(<= ~t1_pc~0 0)} havoc is_transmit1_triggered_#res;havoc is_transmit1_triggered_~__retres1~1;havoc is_transmit1_triggered_~__retres1~1; {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,487 INFO L280 TraceCheckUtils]: 16: Hoare triple {12181#(<= ~t1_pc~0 0)} assume !(1 == ~t1_pc~0); {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,489 INFO L280 TraceCheckUtils]: 17: Hoare triple {12181#(<= ~t1_pc~0 0)} is_transmit1_triggered_~__retres1~1 := 0; {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,490 INFO L280 TraceCheckUtils]: 18: Hoare triple {12181#(<= ~t1_pc~0 0)} is_transmit1_triggered_#res := is_transmit1_triggered_~__retres1~1; {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,490 INFO L280 TraceCheckUtils]: 19: Hoare triple {12181#(<= ~t1_pc~0 0)} activate_threads_#t~ret6 := is_transmit1_triggered_#res;assume -2147483648 <= activate_threads_#t~ret6 && activate_threads_#t~ret6 <= 2147483647;activate_threads_~tmp___0~0 := activate_threads_#t~ret6;havoc activate_threads_#t~ret6; {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,491 INFO L280 TraceCheckUtils]: 20: Hoare triple {12181#(<= ~t1_pc~0 0)} assume 0 != activate_threads_~tmp___0~0;~t1_st~0 := 0; {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,491 INFO L280 TraceCheckUtils]: 21: Hoare triple {12181#(<= ~t1_pc~0 0)} assume !(1 == ~M_E~0); {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,492 INFO L280 TraceCheckUtils]: 22: Hoare triple {12181#(<= ~t1_pc~0 0)} assume !(1 == ~T1_E~0); {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,493 INFO L280 TraceCheckUtils]: 23: Hoare triple {12181#(<= ~t1_pc~0 0)} assume !(1 == ~E_M~0); {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,493 INFO L280 TraceCheckUtils]: 24: Hoare triple {12181#(<= ~t1_pc~0 0)} assume !(1 == ~E_1~0); {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,494 INFO L280 TraceCheckUtils]: 25: Hoare triple {12181#(<= ~t1_pc~0 0)} assume !false; {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,494 INFO L280 TraceCheckUtils]: 26: Hoare triple {12181#(<= ~t1_pc~0 0)} start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret2, eval_#t~nondet3, eval_~tmp_ndt_1~0, eval_#t~nondet4, eval_~tmp_ndt_2~0, eval_~tmp~0;havoc eval_~tmp~0; {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,495 INFO L280 TraceCheckUtils]: 27: Hoare triple {12181#(<= ~t1_pc~0 0)} assume !false; {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,496 INFO L280 TraceCheckUtils]: 28: Hoare triple {12181#(<= ~t1_pc~0 0)} havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,496 INFO L280 TraceCheckUtils]: 29: Hoare triple {12181#(<= ~t1_pc~0 0)} assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~2 := 1; {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,497 INFO L280 TraceCheckUtils]: 30: Hoare triple {12181#(<= ~t1_pc~0 0)} exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,498 INFO L280 TraceCheckUtils]: 31: Hoare triple {12181#(<= ~t1_pc~0 0)} eval_#t~ret2 := exists_runnable_thread_#res;assume -2147483648 <= eval_#t~ret2 && eval_#t~ret2 <= 2147483647;eval_~tmp~0 := eval_#t~ret2;havoc eval_#t~ret2; {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,498 INFO L280 TraceCheckUtils]: 32: Hoare triple {12181#(<= ~t1_pc~0 0)} assume 0 != eval_~tmp~0; {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,499 INFO L280 TraceCheckUtils]: 33: Hoare triple {12181#(<= ~t1_pc~0 0)} assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0;assume -2147483648 <= eval_#t~nondet3 && eval_#t~nondet3 <= 2147483647;eval_~tmp_ndt_1~0 := eval_#t~nondet3;havoc eval_#t~nondet3; {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,500 INFO L280 TraceCheckUtils]: 34: Hoare triple {12181#(<= ~t1_pc~0 0)} assume 0 != eval_~tmp_ndt_1~0;~m_st~0 := 1;havoc master_#t~nondet0, master_#t~nondet1, master_~tmp_var~0;assume -2147483648 <= master_#t~nondet0 && master_#t~nondet0 <= 2147483647;master_~tmp_var~0 := master_#t~nondet0;havoc master_#t~nondet0; {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,501 INFO L280 TraceCheckUtils]: 35: Hoare triple {12181#(<= ~t1_pc~0 0)} assume 0 == ~m_pc~0; {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,501 INFO L280 TraceCheckUtils]: 36: Hoare triple {12181#(<= ~t1_pc~0 0)} assume !false; {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,502 INFO L280 TraceCheckUtils]: 37: Hoare triple {12181#(<= ~t1_pc~0 0)} assume -2147483648 <= master_#t~nondet1 && master_#t~nondet1 <= 2147483647;~token~0 := master_#t~nondet1;havoc master_#t~nondet1;~local~0 := ~token~0;~E_1~0 := 1;havoc activate_threads_#t~ret5, activate_threads_#t~ret6, activate_threads_~tmp~1, activate_threads_~tmp___0~0;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~0;havoc is_master_triggered_#res;havoc is_master_triggered_~__retres1~0;havoc is_master_triggered_~__retres1~0; {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,503 INFO L280 TraceCheckUtils]: 38: Hoare triple {12181#(<= ~t1_pc~0 0)} assume !(1 == ~m_pc~0); {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,504 INFO L280 TraceCheckUtils]: 39: Hoare triple {12181#(<= ~t1_pc~0 0)} is_master_triggered_~__retres1~0 := 0; {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,505 INFO L280 TraceCheckUtils]: 40: Hoare triple {12181#(<= ~t1_pc~0 0)} is_master_triggered_#res := is_master_triggered_~__retres1~0; {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,505 INFO L280 TraceCheckUtils]: 41: Hoare triple {12181#(<= ~t1_pc~0 0)} activate_threads_#t~ret5 := is_master_triggered_#res;assume -2147483648 <= activate_threads_#t~ret5 && activate_threads_#t~ret5 <= 2147483647;activate_threads_~tmp~1 := activate_threads_#t~ret5;havoc activate_threads_#t~ret5; {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,506 INFO L280 TraceCheckUtils]: 42: Hoare triple {12181#(<= ~t1_pc~0 0)} assume !(0 != activate_threads_~tmp~1); {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,513 INFO L280 TraceCheckUtils]: 43: Hoare triple {12181#(<= ~t1_pc~0 0)} havoc is_transmit1_triggered_#res;havoc is_transmit1_triggered_~__retres1~1;havoc is_transmit1_triggered_~__retres1~1; {12181#(<= ~t1_pc~0 0)} is VALID [2020-07-28 19:15:41,514 INFO L280 TraceCheckUtils]: 44: Hoare triple {12181#(<= ~t1_pc~0 0)} assume 1 == ~t1_pc~0; {12180#false} is VALID [2020-07-28 19:15:41,514 INFO L280 TraceCheckUtils]: 45: Hoare triple {12180#false} assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~1 := 1; {12180#false} is VALID [2020-07-28 19:15:41,514 INFO L280 TraceCheckUtils]: 46: Hoare triple {12180#false} is_transmit1_triggered_#res := is_transmit1_triggered_~__retres1~1; {12180#false} is VALID [2020-07-28 19:15:41,514 INFO L280 TraceCheckUtils]: 47: Hoare triple {12180#false} activate_threads_#t~ret6 := is_transmit1_triggered_#res;assume -2147483648 <= activate_threads_#t~ret6 && activate_threads_#t~ret6 <= 2147483647;activate_threads_~tmp___0~0 := activate_threads_#t~ret6;havoc activate_threads_#t~ret6; {12180#false} is VALID [2020-07-28 19:15:41,514 INFO L280 TraceCheckUtils]: 48: Hoare triple {12180#false} assume 0 != activate_threads_~tmp___0~0;~t1_st~0 := 0; {12180#false} is VALID [2020-07-28 19:15:41,515 INFO L280 TraceCheckUtils]: 49: Hoare triple {12180#false} ~E_1~0 := 2;~m_pc~0 := 1;~m_st~0 := 2; {12180#false} is VALID [2020-07-28 19:15:41,515 INFO L280 TraceCheckUtils]: 50: Hoare triple {12180#false} assume !(0 == ~t1_st~0); {12180#false} is VALID [2020-07-28 19:15:41,515 INFO L280 TraceCheckUtils]: 51: Hoare triple {12180#false} assume !false; {12180#false} is VALID [2020-07-28 19:15:41,515 INFO L280 TraceCheckUtils]: 52: Hoare triple {12180#false} havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; {12180#false} is VALID [2020-07-28 19:15:41,515 INFO L280 TraceCheckUtils]: 53: Hoare triple {12180#false} assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~2 := 1; {12180#false} is VALID [2020-07-28 19:15:41,516 INFO L280 TraceCheckUtils]: 54: Hoare triple {12180#false} exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; {12180#false} is VALID [2020-07-28 19:15:41,516 INFO L280 TraceCheckUtils]: 55: Hoare triple {12180#false} eval_#t~ret2 := exists_runnable_thread_#res;assume -2147483648 <= eval_#t~ret2 && eval_#t~ret2 <= 2147483647;eval_~tmp~0 := eval_#t~ret2;havoc eval_#t~ret2; {12180#false} is VALID [2020-07-28 19:15:41,517 INFO L280 TraceCheckUtils]: 56: Hoare triple {12180#false} assume 0 != eval_~tmp~0; {12180#false} is VALID [2020-07-28 19:15:41,517 INFO L280 TraceCheckUtils]: 57: Hoare triple {12180#false} assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0;assume -2147483648 <= eval_#t~nondet3 && eval_#t~nondet3 <= 2147483647;eval_~tmp_ndt_1~0 := eval_#t~nondet3;havoc eval_#t~nondet3; {12180#false} is VALID [2020-07-28 19:15:41,517 INFO L280 TraceCheckUtils]: 58: Hoare triple {12180#false} assume 0 != eval_~tmp_ndt_1~0;~m_st~0 := 1;havoc master_#t~nondet0, master_#t~nondet1, master_~tmp_var~0;assume -2147483648 <= master_#t~nondet0 && master_#t~nondet0 <= 2147483647;master_~tmp_var~0 := master_#t~nondet0;havoc master_#t~nondet0; {12180#false} is VALID [2020-07-28 19:15:41,517 INFO L280 TraceCheckUtils]: 59: Hoare triple {12180#false} assume !(0 == ~m_pc~0); {12180#false} is VALID [2020-07-28 19:15:41,517 INFO L280 TraceCheckUtils]: 60: Hoare triple {12180#false} assume 1 == ~m_pc~0; {12180#false} is VALID [2020-07-28 19:15:41,517 INFO L280 TraceCheckUtils]: 61: Hoare triple {12180#false} assume ~token~0 != 1 + ~local~0; {12180#false} is VALID [2020-07-28 19:15:41,518 INFO L280 TraceCheckUtils]: 62: Hoare triple {12180#false} assume !false; {12180#false} is VALID [2020-07-28 19:15:41,527 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:15:41,528 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687254178] [2020-07-28 19:15:41,529 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:15:41,529 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:15:41,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493226944] [2020-07-28 19:15:41,530 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-07-28 19:15:41,530 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:15:41,530 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:15:41,588 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:15:41,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:15:41,589 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:15:41,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:15:41,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:15:41,590 INFO L87 Difference]: Start difference. First operand 413 states and 533 transitions. Second operand 3 states. [2020-07-28 19:15:43,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:43,054 INFO L93 Difference]: Finished difference Result 1123 states and 1462 transitions. [2020-07-28 19:15:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:15:43,054 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-07-28 19:15:43,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:15:43,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:15:43,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 482 transitions. [2020-07-28 19:15:43,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:15:43,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 482 transitions. [2020-07-28 19:15:43,060 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 482 transitions. [2020-07-28 19:15:43,527 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 482 edges. 482 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:15:43,558 INFO L225 Difference]: With dead ends: 1123 [2020-07-28 19:15:43,559 INFO L226 Difference]: Without dead ends: 727 [2020-07-28 19:15:43,560 INFO L675 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 [2020-07-28 19:15:43,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2020-07-28 19:15:44,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 715. [2020-07-28 19:15:44,613 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:15:44,613 INFO L82 GeneralOperation]: Start isEquivalent. First operand 727 states. Second operand 715 states. [2020-07-28 19:15:44,613 INFO L74 IsIncluded]: Start isIncluded. First operand 727 states. Second operand 715 states. [2020-07-28 19:15:44,613 INFO L87 Difference]: Start difference. First operand 727 states. Second operand 715 states. [2020-07-28 19:15:44,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:44,641 INFO L93 Difference]: Finished difference Result 727 states and 935 transitions. [2020-07-28 19:15:44,642 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 935 transitions. [2020-07-28 19:15:44,643 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:15:44,643 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:15:44,643 INFO L74 IsIncluded]: Start isIncluded. First operand 715 states. Second operand 727 states. [2020-07-28 19:15:44,644 INFO L87 Difference]: Start difference. First operand 715 states. Second operand 727 states. [2020-07-28 19:15:44,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:44,671 INFO L93 Difference]: Finished difference Result 727 states and 935 transitions. [2020-07-28 19:15:44,671 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 935 transitions. [2020-07-28 19:15:44,672 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:15:44,673 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:15:44,673 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:15:44,673 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:15:44,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 715 states. [2020-07-28 19:15:44,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 715 states and 925 transitions. [2020-07-28 19:15:44,706 INFO L78 Accepts]: Start accepts. Automaton has 715 states and 925 transitions. Word has length 63 [2020-07-28 19:15:44,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:15:44,707 INFO L479 AbstractCegarLoop]: Abstraction has 715 states and 925 transitions. [2020-07-28 19:15:44,707 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:15:44,707 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 925 transitions. [2020-07-28 19:15:44,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-28 19:15:44,708 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:15:44,708 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:15:44,709 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 19:15:44,709 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:15:44,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:15:44,709 INFO L82 PathProgramCache]: Analyzing trace with hash 1821446916, now seen corresponding path program 1 times [2020-07-28 19:15:44,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:15:44,710 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374937777] [2020-07-28 19:15:44,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:15:44,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:15:44,779 INFO L280 TraceCheckUtils]: 0: Hoare triple {16157#true} ~m_pc~0 := 0;~t1_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~token~0 := 0;~local~0 := 0; {16157#true} is VALID [2020-07-28 19:15:44,780 INFO L280 TraceCheckUtils]: 1: Hoare triple {16157#true} havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~m_i~0 := 1;~t1_i~0 := 1; {16157#true} is VALID [2020-07-28 19:15:44,780 INFO L280 TraceCheckUtils]: 2: Hoare triple {16157#true} havoc start_simulation_#t~ret8, start_simulation_#t~ret9, start_simulation_~kernel_st~0, start_simulation_~tmp~3, start_simulation_~tmp___0~1;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;havoc start_simulation_~tmp___0~1;start_simulation_~kernel_st~0 := 0; {16157#true} is VALID [2020-07-28 19:15:44,780 INFO L280 TraceCheckUtils]: 3: Hoare triple {16157#true} assume 1 == ~m_i~0;~m_st~0 := 0; {16157#true} is VALID [2020-07-28 19:15:44,780 INFO L280 TraceCheckUtils]: 4: Hoare triple {16157#true} assume 1 == ~t1_i~0;~t1_st~0 := 0; {16157#true} is VALID [2020-07-28 19:15:44,781 INFO L280 TraceCheckUtils]: 5: Hoare triple {16157#true} assume !(0 == ~M_E~0); {16157#true} is VALID [2020-07-28 19:15:44,781 INFO L280 TraceCheckUtils]: 6: Hoare triple {16157#true} assume !(0 == ~T1_E~0); {16157#true} is VALID [2020-07-28 19:15:44,781 INFO L280 TraceCheckUtils]: 7: Hoare triple {16157#true} assume !(0 == ~E_M~0); {16157#true} is VALID [2020-07-28 19:15:44,782 INFO L280 TraceCheckUtils]: 8: Hoare triple {16157#true} assume !(0 == ~E_1~0); {16157#true} is VALID [2020-07-28 19:15:44,782 INFO L280 TraceCheckUtils]: 9: Hoare triple {16157#true} havoc activate_threads_#t~ret5, activate_threads_#t~ret6, activate_threads_~tmp~1, activate_threads_~tmp___0~0;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~0;havoc is_master_triggered_#res;havoc is_master_triggered_~__retres1~0;havoc is_master_triggered_~__retres1~0; {16157#true} is VALID [2020-07-28 19:15:44,782 INFO L280 TraceCheckUtils]: 10: Hoare triple {16157#true} assume !(1 == ~m_pc~0); {16157#true} is VALID [2020-07-28 19:15:44,783 INFO L280 TraceCheckUtils]: 11: Hoare triple {16157#true} is_master_triggered_~__retres1~0 := 0; {16157#true} is VALID [2020-07-28 19:15:44,783 INFO L280 TraceCheckUtils]: 12: Hoare triple {16157#true} is_master_triggered_#res := is_master_triggered_~__retres1~0; {16157#true} is VALID [2020-07-28 19:15:44,783 INFO L280 TraceCheckUtils]: 13: Hoare triple {16157#true} activate_threads_#t~ret5 := is_master_triggered_#res;assume -2147483648 <= activate_threads_#t~ret5 && activate_threads_#t~ret5 <= 2147483647;activate_threads_~tmp~1 := activate_threads_#t~ret5;havoc activate_threads_#t~ret5; {16157#true} is VALID [2020-07-28 19:15:44,784 INFO L280 TraceCheckUtils]: 14: Hoare triple {16157#true} assume !(0 != activate_threads_~tmp~1); {16157#true} is VALID [2020-07-28 19:15:44,784 INFO L280 TraceCheckUtils]: 15: Hoare triple {16157#true} havoc is_transmit1_triggered_#res;havoc is_transmit1_triggered_~__retres1~1;havoc is_transmit1_triggered_~__retres1~1; {16157#true} is VALID [2020-07-28 19:15:44,784 INFO L280 TraceCheckUtils]: 16: Hoare triple {16157#true} assume !(1 == ~t1_pc~0); {16157#true} is VALID [2020-07-28 19:15:44,784 INFO L280 TraceCheckUtils]: 17: Hoare triple {16157#true} is_transmit1_triggered_~__retres1~1 := 0; {16157#true} is VALID [2020-07-28 19:15:44,784 INFO L280 TraceCheckUtils]: 18: Hoare triple {16157#true} is_transmit1_triggered_#res := is_transmit1_triggered_~__retres1~1; {16157#true} is VALID [2020-07-28 19:15:44,785 INFO L280 TraceCheckUtils]: 19: Hoare triple {16157#true} activate_threads_#t~ret6 := is_transmit1_triggered_#res;assume -2147483648 <= activate_threads_#t~ret6 && activate_threads_#t~ret6 <= 2147483647;activate_threads_~tmp___0~0 := activate_threads_#t~ret6;havoc activate_threads_#t~ret6; {16157#true} is VALID [2020-07-28 19:15:44,786 INFO L280 TraceCheckUtils]: 20: Hoare triple {16157#true} assume 0 != activate_threads_~tmp___0~0;~t1_st~0 := 0; {16157#true} is VALID [2020-07-28 19:15:44,786 INFO L280 TraceCheckUtils]: 21: Hoare triple {16157#true} assume !(1 == ~M_E~0); {16157#true} is VALID [2020-07-28 19:15:44,786 INFO L280 TraceCheckUtils]: 22: Hoare triple {16157#true} assume !(1 == ~T1_E~0); {16157#true} is VALID [2020-07-28 19:15:44,786 INFO L280 TraceCheckUtils]: 23: Hoare triple {16157#true} assume !(1 == ~E_M~0); {16157#true} is VALID [2020-07-28 19:15:44,789 INFO L280 TraceCheckUtils]: 24: Hoare triple {16157#true} assume !(1 == ~E_1~0); {16157#true} is VALID [2020-07-28 19:15:44,790 INFO L280 TraceCheckUtils]: 25: Hoare triple {16157#true} assume !false; {16157#true} is VALID [2020-07-28 19:15:44,790 INFO L280 TraceCheckUtils]: 26: Hoare triple {16157#true} start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret2, eval_#t~nondet3, eval_~tmp_ndt_1~0, eval_#t~nondet4, eval_~tmp_ndt_2~0, eval_~tmp~0;havoc eval_~tmp~0; {16157#true} is VALID [2020-07-28 19:15:44,790 INFO L280 TraceCheckUtils]: 27: Hoare triple {16157#true} assume !false; {16157#true} is VALID [2020-07-28 19:15:44,790 INFO L280 TraceCheckUtils]: 28: Hoare triple {16157#true} havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; {16157#true} is VALID [2020-07-28 19:15:44,791 INFO L280 TraceCheckUtils]: 29: Hoare triple {16157#true} assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~2 := 1; {16157#true} is VALID [2020-07-28 19:15:44,791 INFO L280 TraceCheckUtils]: 30: Hoare triple {16157#true} exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; {16157#true} is VALID [2020-07-28 19:15:44,791 INFO L280 TraceCheckUtils]: 31: Hoare triple {16157#true} eval_#t~ret2 := exists_runnable_thread_#res;assume -2147483648 <= eval_#t~ret2 && eval_#t~ret2 <= 2147483647;eval_~tmp~0 := eval_#t~ret2;havoc eval_#t~ret2; {16157#true} is VALID [2020-07-28 19:15:44,792 INFO L280 TraceCheckUtils]: 32: Hoare triple {16157#true} assume 0 != eval_~tmp~0; {16157#true} is VALID [2020-07-28 19:15:44,792 INFO L280 TraceCheckUtils]: 33: Hoare triple {16157#true} assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0;assume -2147483648 <= eval_#t~nondet3 && eval_#t~nondet3 <= 2147483647;eval_~tmp_ndt_1~0 := eval_#t~nondet3;havoc eval_#t~nondet3; {16157#true} is VALID [2020-07-28 19:15:44,792 INFO L280 TraceCheckUtils]: 34: Hoare triple {16157#true} assume 0 != eval_~tmp_ndt_1~0;~m_st~0 := 1;havoc master_#t~nondet0, master_#t~nondet1, master_~tmp_var~0;assume -2147483648 <= master_#t~nondet0 && master_#t~nondet0 <= 2147483647;master_~tmp_var~0 := master_#t~nondet0;havoc master_#t~nondet0; {16157#true} is VALID [2020-07-28 19:15:44,792 INFO L280 TraceCheckUtils]: 35: Hoare triple {16157#true} assume 0 == ~m_pc~0; {16157#true} is VALID [2020-07-28 19:15:44,793 INFO L280 TraceCheckUtils]: 36: Hoare triple {16157#true} assume !false; {16157#true} is VALID [2020-07-28 19:15:44,793 INFO L280 TraceCheckUtils]: 37: Hoare triple {16157#true} assume -2147483648 <= master_#t~nondet1 && master_#t~nondet1 <= 2147483647;~token~0 := master_#t~nondet1;havoc master_#t~nondet1;~local~0 := ~token~0;~E_1~0 := 1;havoc activate_threads_#t~ret5, activate_threads_#t~ret6, activate_threads_~tmp~1, activate_threads_~tmp___0~0;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~0;havoc is_master_triggered_#res;havoc is_master_triggered_~__retres1~0;havoc is_master_triggered_~__retres1~0; {16157#true} is VALID [2020-07-28 19:15:44,793 INFO L280 TraceCheckUtils]: 38: Hoare triple {16157#true} assume !(1 == ~m_pc~0); {16157#true} is VALID [2020-07-28 19:15:44,793 INFO L280 TraceCheckUtils]: 39: Hoare triple {16157#true} is_master_triggered_~__retres1~0 := 0; {16157#true} is VALID [2020-07-28 19:15:44,794 INFO L280 TraceCheckUtils]: 40: Hoare triple {16157#true} is_master_triggered_#res := is_master_triggered_~__retres1~0; {16157#true} is VALID [2020-07-28 19:15:44,794 INFO L280 TraceCheckUtils]: 41: Hoare triple {16157#true} activate_threads_#t~ret5 := is_master_triggered_#res;assume -2147483648 <= activate_threads_#t~ret5 && activate_threads_#t~ret5 <= 2147483647;activate_threads_~tmp~1 := activate_threads_#t~ret5;havoc activate_threads_#t~ret5; {16157#true} is VALID [2020-07-28 19:15:44,794 INFO L280 TraceCheckUtils]: 42: Hoare triple {16157#true} assume !(0 != activate_threads_~tmp~1); {16157#true} is VALID [2020-07-28 19:15:44,794 INFO L280 TraceCheckUtils]: 43: Hoare triple {16157#true} havoc is_transmit1_triggered_#res;havoc is_transmit1_triggered_~__retres1~1;havoc is_transmit1_triggered_~__retres1~1; {16157#true} is VALID [2020-07-28 19:15:44,795 INFO L280 TraceCheckUtils]: 44: Hoare triple {16157#true} assume !(1 == ~t1_pc~0); {16157#true} is VALID [2020-07-28 19:15:44,797 INFO L280 TraceCheckUtils]: 45: Hoare triple {16157#true} is_transmit1_triggered_~__retres1~1 := 0; {16159#(= ULTIMATE.start_is_transmit1_triggered_~__retres1~1 0)} is VALID [2020-07-28 19:15:44,797 INFO L280 TraceCheckUtils]: 46: Hoare triple {16159#(= ULTIMATE.start_is_transmit1_triggered_~__retres1~1 0)} is_transmit1_triggered_#res := is_transmit1_triggered_~__retres1~1; {16160#(= 0 |ULTIMATE.start_is_transmit1_triggered_#res|)} is VALID [2020-07-28 19:15:44,798 INFO L280 TraceCheckUtils]: 47: Hoare triple {16160#(= 0 |ULTIMATE.start_is_transmit1_triggered_#res|)} activate_threads_#t~ret6 := is_transmit1_triggered_#res;assume -2147483648 <= activate_threads_#t~ret6 && activate_threads_#t~ret6 <= 2147483647;activate_threads_~tmp___0~0 := activate_threads_#t~ret6;havoc activate_threads_#t~ret6; {16161#(= 0 ULTIMATE.start_activate_threads_~tmp___0~0)} is VALID [2020-07-28 19:15:44,799 INFO L280 TraceCheckUtils]: 48: Hoare triple {16161#(= 0 ULTIMATE.start_activate_threads_~tmp___0~0)} assume 0 != activate_threads_~tmp___0~0;~t1_st~0 := 0; {16158#false} is VALID [2020-07-28 19:15:44,799 INFO L280 TraceCheckUtils]: 49: Hoare triple {16158#false} ~E_1~0 := 2;~m_pc~0 := 1;~m_st~0 := 2; {16158#false} is VALID [2020-07-28 19:15:44,800 INFO L280 TraceCheckUtils]: 50: Hoare triple {16158#false} assume !(0 == ~t1_st~0); {16158#false} is VALID [2020-07-28 19:15:44,800 INFO L280 TraceCheckUtils]: 51: Hoare triple {16158#false} assume !false; {16158#false} is VALID [2020-07-28 19:15:44,800 INFO L280 TraceCheckUtils]: 52: Hoare triple {16158#false} havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; {16158#false} is VALID [2020-07-28 19:15:44,800 INFO L280 TraceCheckUtils]: 53: Hoare triple {16158#false} assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~2 := 1; {16158#false} is VALID [2020-07-28 19:15:44,801 INFO L280 TraceCheckUtils]: 54: Hoare triple {16158#false} exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; {16158#false} is VALID [2020-07-28 19:15:44,801 INFO L280 TraceCheckUtils]: 55: Hoare triple {16158#false} eval_#t~ret2 := exists_runnable_thread_#res;assume -2147483648 <= eval_#t~ret2 && eval_#t~ret2 <= 2147483647;eval_~tmp~0 := eval_#t~ret2;havoc eval_#t~ret2; {16158#false} is VALID [2020-07-28 19:15:44,801 INFO L280 TraceCheckUtils]: 56: Hoare triple {16158#false} assume 0 != eval_~tmp~0; {16158#false} is VALID [2020-07-28 19:15:44,801 INFO L280 TraceCheckUtils]: 57: Hoare triple {16158#false} assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0;assume -2147483648 <= eval_#t~nondet3 && eval_#t~nondet3 <= 2147483647;eval_~tmp_ndt_1~0 := eval_#t~nondet3;havoc eval_#t~nondet3; {16158#false} is VALID [2020-07-28 19:15:44,801 INFO L280 TraceCheckUtils]: 58: Hoare triple {16158#false} assume 0 != eval_~tmp_ndt_1~0;~m_st~0 := 1;havoc master_#t~nondet0, master_#t~nondet1, master_~tmp_var~0;assume -2147483648 <= master_#t~nondet0 && master_#t~nondet0 <= 2147483647;master_~tmp_var~0 := master_#t~nondet0;havoc master_#t~nondet0; {16158#false} is VALID [2020-07-28 19:15:44,802 INFO L280 TraceCheckUtils]: 59: Hoare triple {16158#false} assume !(0 == ~m_pc~0); {16158#false} is VALID [2020-07-28 19:15:44,802 INFO L280 TraceCheckUtils]: 60: Hoare triple {16158#false} assume 1 == ~m_pc~0; {16158#false} is VALID [2020-07-28 19:15:44,803 INFO L280 TraceCheckUtils]: 61: Hoare triple {16158#false} assume ~token~0 != 1 + ~local~0; {16158#false} is VALID [2020-07-28 19:15:44,803 INFO L280 TraceCheckUtils]: 62: Hoare triple {16158#false} assume !false; {16158#false} is VALID [2020-07-28 19:15:44,808 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:15:44,808 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374937777] [2020-07-28 19:15:44,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:15:44,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:15:44,810 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234971770] [2020-07-28 19:15:44,810 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2020-07-28 19:15:44,811 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:15:44,811 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:15:44,871 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:15:44,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:15:44,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:15:44,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:15:44,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:15:44,873 INFO L87 Difference]: Start difference. First operand 715 states and 925 transitions. Second operand 5 states. [2020-07-28 19:15:47,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:47,116 INFO L93 Difference]: Finished difference Result 1617 states and 2113 transitions. [2020-07-28 19:15:47,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:15:47,116 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2020-07-28 19:15:47,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:15:47,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:15:47,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 481 transitions. [2020-07-28 19:15:47,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:15:47,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 481 transitions. [2020-07-28 19:15:47,120 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 481 transitions. [2020-07-28 19:15:47,605 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 481 edges. 481 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:15:47,645 INFO L225 Difference]: With dead ends: 1617 [2020-07-28 19:15:47,645 INFO L226 Difference]: Without dead ends: 923 [2020-07-28 19:15:47,646 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 19:15:47,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2020-07-28 19:15:49,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 721. [2020-07-28 19:15:49,022 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:15:49,022 INFO L82 GeneralOperation]: Start isEquivalent. First operand 923 states. Second operand 721 states. [2020-07-28 19:15:49,022 INFO L74 IsIncluded]: Start isIncluded. First operand 923 states. Second operand 721 states. [2020-07-28 19:15:49,022 INFO L87 Difference]: Start difference. First operand 923 states. Second operand 721 states. [2020-07-28 19:15:49,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:49,053 INFO L93 Difference]: Finished difference Result 923 states and 1190 transitions. [2020-07-28 19:15:49,053 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1190 transitions. [2020-07-28 19:15:49,055 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:15:49,055 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:15:49,055 INFO L74 IsIncluded]: Start isIncluded. First operand 721 states. Second operand 923 states. [2020-07-28 19:15:49,056 INFO L87 Difference]: Start difference. First operand 721 states. Second operand 923 states. [2020-07-28 19:15:49,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:49,105 INFO L93 Difference]: Finished difference Result 923 states and 1190 transitions. [2020-07-28 19:15:49,106 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1190 transitions. [2020-07-28 19:15:49,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:15:49,108 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:15:49,109 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:15:49,109 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:15:49,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2020-07-28 19:15:49,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 912 transitions. [2020-07-28 19:15:49,144 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 912 transitions. Word has length 63 [2020-07-28 19:15:49,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:15:49,144 INFO L479 AbstractCegarLoop]: Abstraction has 721 states and 912 transitions. [2020-07-28 19:15:49,145 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:15:49,145 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 912 transitions. [2020-07-28 19:15:49,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-28 19:15:49,146 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:15:49,146 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:15:49,146 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 19:15:49,147 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:15:49,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:15:49,147 INFO L82 PathProgramCache]: Analyzing trace with hash -355810040, now seen corresponding path program 1 times [2020-07-28 19:15:49,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:15:49,148 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571670744] [2020-07-28 19:15:49,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:15:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:15:49,188 INFO L280 TraceCheckUtils]: 0: Hoare triple {21217#true} ~m_pc~0 := 0;~t1_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~token~0 := 0;~local~0 := 0; {21217#true} is VALID [2020-07-28 19:15:49,188 INFO L280 TraceCheckUtils]: 1: Hoare triple {21217#true} havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~m_i~0 := 1;~t1_i~0 := 1; {21217#true} is VALID [2020-07-28 19:15:49,189 INFO L280 TraceCheckUtils]: 2: Hoare triple {21217#true} havoc start_simulation_#t~ret8, start_simulation_#t~ret9, start_simulation_~kernel_st~0, start_simulation_~tmp~3, start_simulation_~tmp___0~1;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;havoc start_simulation_~tmp___0~1;start_simulation_~kernel_st~0 := 0; {21217#true} is VALID [2020-07-28 19:15:49,189 INFO L280 TraceCheckUtils]: 3: Hoare triple {21217#true} assume 1 == ~m_i~0;~m_st~0 := 0; {21217#true} is VALID [2020-07-28 19:15:49,194 INFO L280 TraceCheckUtils]: 4: Hoare triple {21217#true} assume 1 == ~t1_i~0;~t1_st~0 := 0; {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,195 INFO L280 TraceCheckUtils]: 5: Hoare triple {21219#(= 0 ~t1_st~0)} assume !(0 == ~M_E~0); {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,195 INFO L280 TraceCheckUtils]: 6: Hoare triple {21219#(= 0 ~t1_st~0)} assume !(0 == ~T1_E~0); {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,196 INFO L280 TraceCheckUtils]: 7: Hoare triple {21219#(= 0 ~t1_st~0)} assume !(0 == ~E_M~0); {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,197 INFO L280 TraceCheckUtils]: 8: Hoare triple {21219#(= 0 ~t1_st~0)} assume !(0 == ~E_1~0); {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,197 INFO L280 TraceCheckUtils]: 9: Hoare triple {21219#(= 0 ~t1_st~0)} havoc activate_threads_#t~ret5, activate_threads_#t~ret6, activate_threads_~tmp~1, activate_threads_~tmp___0~0;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~0;havoc is_master_triggered_#res;havoc is_master_triggered_~__retres1~0;havoc is_master_triggered_~__retres1~0; {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,198 INFO L280 TraceCheckUtils]: 10: Hoare triple {21219#(= 0 ~t1_st~0)} assume !(1 == ~m_pc~0); {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,198 INFO L280 TraceCheckUtils]: 11: Hoare triple {21219#(= 0 ~t1_st~0)} is_master_triggered_~__retres1~0 := 0; {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,199 INFO L280 TraceCheckUtils]: 12: Hoare triple {21219#(= 0 ~t1_st~0)} is_master_triggered_#res := is_master_triggered_~__retres1~0; {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,199 INFO L280 TraceCheckUtils]: 13: Hoare triple {21219#(= 0 ~t1_st~0)} activate_threads_#t~ret5 := is_master_triggered_#res;assume -2147483648 <= activate_threads_#t~ret5 && activate_threads_#t~ret5 <= 2147483647;activate_threads_~tmp~1 := activate_threads_#t~ret5;havoc activate_threads_#t~ret5; {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,200 INFO L280 TraceCheckUtils]: 14: Hoare triple {21219#(= 0 ~t1_st~0)} assume !(0 != activate_threads_~tmp~1); {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,201 INFO L280 TraceCheckUtils]: 15: Hoare triple {21219#(= 0 ~t1_st~0)} havoc is_transmit1_triggered_#res;havoc is_transmit1_triggered_~__retres1~1;havoc is_transmit1_triggered_~__retres1~1; {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,201 INFO L280 TraceCheckUtils]: 16: Hoare triple {21219#(= 0 ~t1_st~0)} assume !(1 == ~t1_pc~0); {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,202 INFO L280 TraceCheckUtils]: 17: Hoare triple {21219#(= 0 ~t1_st~0)} is_transmit1_triggered_~__retres1~1 := 0; {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,202 INFO L280 TraceCheckUtils]: 18: Hoare triple {21219#(= 0 ~t1_st~0)} is_transmit1_triggered_#res := is_transmit1_triggered_~__retres1~1; {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,203 INFO L280 TraceCheckUtils]: 19: Hoare triple {21219#(= 0 ~t1_st~0)} activate_threads_#t~ret6 := is_transmit1_triggered_#res;assume -2147483648 <= activate_threads_#t~ret6 && activate_threads_#t~ret6 <= 2147483647;activate_threads_~tmp___0~0 := activate_threads_#t~ret6;havoc activate_threads_#t~ret6; {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,203 INFO L280 TraceCheckUtils]: 20: Hoare triple {21219#(= 0 ~t1_st~0)} assume !(0 != activate_threads_~tmp___0~0); {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,204 INFO L280 TraceCheckUtils]: 21: Hoare triple {21219#(= 0 ~t1_st~0)} assume !(1 == ~M_E~0); {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,204 INFO L280 TraceCheckUtils]: 22: Hoare triple {21219#(= 0 ~t1_st~0)} assume !(1 == ~T1_E~0); {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,205 INFO L280 TraceCheckUtils]: 23: Hoare triple {21219#(= 0 ~t1_st~0)} assume !(1 == ~E_M~0); {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,206 INFO L280 TraceCheckUtils]: 24: Hoare triple {21219#(= 0 ~t1_st~0)} assume !(1 == ~E_1~0); {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,206 INFO L280 TraceCheckUtils]: 25: Hoare triple {21219#(= 0 ~t1_st~0)} assume !false; {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,207 INFO L280 TraceCheckUtils]: 26: Hoare triple {21219#(= 0 ~t1_st~0)} start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret2, eval_#t~nondet3, eval_~tmp_ndt_1~0, eval_#t~nondet4, eval_~tmp_ndt_2~0, eval_~tmp~0;havoc eval_~tmp~0; {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,207 INFO L280 TraceCheckUtils]: 27: Hoare triple {21219#(= 0 ~t1_st~0)} assume !false; {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,208 INFO L280 TraceCheckUtils]: 28: Hoare triple {21219#(= 0 ~t1_st~0)} havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,208 INFO L280 TraceCheckUtils]: 29: Hoare triple {21219#(= 0 ~t1_st~0)} assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~2 := 1; {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,209 INFO L280 TraceCheckUtils]: 30: Hoare triple {21219#(= 0 ~t1_st~0)} exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,210 INFO L280 TraceCheckUtils]: 31: Hoare triple {21219#(= 0 ~t1_st~0)} eval_#t~ret2 := exists_runnable_thread_#res;assume -2147483648 <= eval_#t~ret2 && eval_#t~ret2 <= 2147483647;eval_~tmp~0 := eval_#t~ret2;havoc eval_#t~ret2; {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,210 INFO L280 TraceCheckUtils]: 32: Hoare triple {21219#(= 0 ~t1_st~0)} assume 0 != eval_~tmp~0; {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,211 INFO L280 TraceCheckUtils]: 33: Hoare triple {21219#(= 0 ~t1_st~0)} assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0;assume -2147483648 <= eval_#t~nondet3 && eval_#t~nondet3 <= 2147483647;eval_~tmp_ndt_1~0 := eval_#t~nondet3;havoc eval_#t~nondet3; {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,211 INFO L280 TraceCheckUtils]: 34: Hoare triple {21219#(= 0 ~t1_st~0)} assume 0 != eval_~tmp_ndt_1~0;~m_st~0 := 1;havoc master_#t~nondet0, master_#t~nondet1, master_~tmp_var~0;assume -2147483648 <= master_#t~nondet0 && master_#t~nondet0 <= 2147483647;master_~tmp_var~0 := master_#t~nondet0;havoc master_#t~nondet0; {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,212 INFO L280 TraceCheckUtils]: 35: Hoare triple {21219#(= 0 ~t1_st~0)} assume 0 == ~m_pc~0; {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,213 INFO L280 TraceCheckUtils]: 36: Hoare triple {21219#(= 0 ~t1_st~0)} assume !false; {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,213 INFO L280 TraceCheckUtils]: 37: Hoare triple {21219#(= 0 ~t1_st~0)} assume -2147483648 <= master_#t~nondet1 && master_#t~nondet1 <= 2147483647;~token~0 := master_#t~nondet1;havoc master_#t~nondet1;~local~0 := ~token~0;~E_1~0 := 1;havoc activate_threads_#t~ret5, activate_threads_#t~ret6, activate_threads_~tmp~1, activate_threads_~tmp___0~0;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~0;havoc is_master_triggered_#res;havoc is_master_triggered_~__retres1~0;havoc is_master_triggered_~__retres1~0; {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,214 INFO L280 TraceCheckUtils]: 38: Hoare triple {21219#(= 0 ~t1_st~0)} assume !(1 == ~m_pc~0); {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,214 INFO L280 TraceCheckUtils]: 39: Hoare triple {21219#(= 0 ~t1_st~0)} is_master_triggered_~__retres1~0 := 0; {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,215 INFO L280 TraceCheckUtils]: 40: Hoare triple {21219#(= 0 ~t1_st~0)} is_master_triggered_#res := is_master_triggered_~__retres1~0; {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,215 INFO L280 TraceCheckUtils]: 41: Hoare triple {21219#(= 0 ~t1_st~0)} activate_threads_#t~ret5 := is_master_triggered_#res;assume -2147483648 <= activate_threads_#t~ret5 && activate_threads_#t~ret5 <= 2147483647;activate_threads_~tmp~1 := activate_threads_#t~ret5;havoc activate_threads_#t~ret5; {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,216 INFO L280 TraceCheckUtils]: 42: Hoare triple {21219#(= 0 ~t1_st~0)} assume !(0 != activate_threads_~tmp~1); {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,216 INFO L280 TraceCheckUtils]: 43: Hoare triple {21219#(= 0 ~t1_st~0)} havoc is_transmit1_triggered_#res;havoc is_transmit1_triggered_~__retres1~1;havoc is_transmit1_triggered_~__retres1~1; {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,217 INFO L280 TraceCheckUtils]: 44: Hoare triple {21219#(= 0 ~t1_st~0)} assume !(1 == ~t1_pc~0); {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,217 INFO L280 TraceCheckUtils]: 45: Hoare triple {21219#(= 0 ~t1_st~0)} is_transmit1_triggered_~__retres1~1 := 0; {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,218 INFO L280 TraceCheckUtils]: 46: Hoare triple {21219#(= 0 ~t1_st~0)} is_transmit1_triggered_#res := is_transmit1_triggered_~__retres1~1; {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,219 INFO L280 TraceCheckUtils]: 47: Hoare triple {21219#(= 0 ~t1_st~0)} activate_threads_#t~ret6 := is_transmit1_triggered_#res;assume -2147483648 <= activate_threads_#t~ret6 && activate_threads_#t~ret6 <= 2147483647;activate_threads_~tmp___0~0 := activate_threads_#t~ret6;havoc activate_threads_#t~ret6; {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,219 INFO L280 TraceCheckUtils]: 48: Hoare triple {21219#(= 0 ~t1_st~0)} assume !(0 != activate_threads_~tmp___0~0); {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,220 INFO L280 TraceCheckUtils]: 49: Hoare triple {21219#(= 0 ~t1_st~0)} ~E_1~0 := 2;~m_pc~0 := 1;~m_st~0 := 2; {21219#(= 0 ~t1_st~0)} is VALID [2020-07-28 19:15:49,221 INFO L280 TraceCheckUtils]: 50: Hoare triple {21219#(= 0 ~t1_st~0)} assume !(0 == ~t1_st~0); {21218#false} is VALID [2020-07-28 19:15:49,222 INFO L280 TraceCheckUtils]: 51: Hoare triple {21218#false} assume !false; {21218#false} is VALID [2020-07-28 19:15:49,222 INFO L280 TraceCheckUtils]: 52: Hoare triple {21218#false} havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; {21218#false} is VALID [2020-07-28 19:15:49,222 INFO L280 TraceCheckUtils]: 53: Hoare triple {21218#false} assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~2 := 1; {21218#false} is VALID [2020-07-28 19:15:49,222 INFO L280 TraceCheckUtils]: 54: Hoare triple {21218#false} exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; {21218#false} is VALID [2020-07-28 19:15:49,222 INFO L280 TraceCheckUtils]: 55: Hoare triple {21218#false} eval_#t~ret2 := exists_runnable_thread_#res;assume -2147483648 <= eval_#t~ret2 && eval_#t~ret2 <= 2147483647;eval_~tmp~0 := eval_#t~ret2;havoc eval_#t~ret2; {21218#false} is VALID [2020-07-28 19:15:49,223 INFO L280 TraceCheckUtils]: 56: Hoare triple {21218#false} assume 0 != eval_~tmp~0; {21218#false} is VALID [2020-07-28 19:15:49,223 INFO L280 TraceCheckUtils]: 57: Hoare triple {21218#false} assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0;assume -2147483648 <= eval_#t~nondet3 && eval_#t~nondet3 <= 2147483647;eval_~tmp_ndt_1~0 := eval_#t~nondet3;havoc eval_#t~nondet3; {21218#false} is VALID [2020-07-28 19:15:49,223 INFO L280 TraceCheckUtils]: 58: Hoare triple {21218#false} assume 0 != eval_~tmp_ndt_1~0;~m_st~0 := 1;havoc master_#t~nondet0, master_#t~nondet1, master_~tmp_var~0;assume -2147483648 <= master_#t~nondet0 && master_#t~nondet0 <= 2147483647;master_~tmp_var~0 := master_#t~nondet0;havoc master_#t~nondet0; {21218#false} is VALID [2020-07-28 19:15:49,224 INFO L280 TraceCheckUtils]: 59: Hoare triple {21218#false} assume !(0 == ~m_pc~0); {21218#false} is VALID [2020-07-28 19:15:49,224 INFO L280 TraceCheckUtils]: 60: Hoare triple {21218#false} assume 1 == ~m_pc~0; {21218#false} is VALID [2020-07-28 19:15:49,224 INFO L280 TraceCheckUtils]: 61: Hoare triple {21218#false} assume ~token~0 != 1 + ~local~0; {21218#false} is VALID [2020-07-28 19:15:49,224 INFO L280 TraceCheckUtils]: 62: Hoare triple {21218#false} assume !false; {21218#false} is VALID [2020-07-28 19:15:49,228 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:15:49,228 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571670744] [2020-07-28 19:15:49,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:15:49,229 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:15:49,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073501543] [2020-07-28 19:15:49,230 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-07-28 19:15:49,230 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:15:49,230 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:15:49,293 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:15:49,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:15:49,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:15:49,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:15:49,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:15:49,294 INFO L87 Difference]: Start difference. First operand 721 states and 912 transitions. Second operand 3 states. [2020-07-28 19:15:51,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:51,638 INFO L93 Difference]: Finished difference Result 1726 states and 2192 transitions. [2020-07-28 19:15:51,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:15:51,638 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-07-28 19:15:51,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:15:51,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:15:51,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 458 transitions. [2020-07-28 19:15:51,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:15:51,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 458 transitions. [2020-07-28 19:15:51,641 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 458 transitions. [2020-07-28 19:15:52,084 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 458 edges. 458 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:15:52,170 INFO L225 Difference]: With dead ends: 1726 [2020-07-28 19:15:52,170 INFO L226 Difference]: Without dead ends: 1030 [2020-07-28 19:15:52,171 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:15:52,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2020-07-28 19:15:54,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 1026. [2020-07-28 19:15:54,135 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:15:54,136 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1030 states. Second operand 1026 states. [2020-07-28 19:15:54,136 INFO L74 IsIncluded]: Start isIncluded. First operand 1030 states. Second operand 1026 states. [2020-07-28 19:15:54,136 INFO L87 Difference]: Start difference. First operand 1030 states. Second operand 1026 states. [2020-07-28 19:15:54,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:54,172 INFO L93 Difference]: Finished difference Result 1030 states and 1274 transitions. [2020-07-28 19:15:54,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1274 transitions. [2020-07-28 19:15:54,174 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:15:54,174 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:15:54,174 INFO L74 IsIncluded]: Start isIncluded. First operand 1026 states. Second operand 1030 states. [2020-07-28 19:15:54,175 INFO L87 Difference]: Start difference. First operand 1026 states. Second operand 1030 states. [2020-07-28 19:15:54,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:54,215 INFO L93 Difference]: Finished difference Result 1030 states and 1274 transitions. [2020-07-28 19:15:54,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1274 transitions. [2020-07-28 19:15:54,217 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:15:54,217 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:15:54,217 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:15:54,217 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:15:54,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1026 states. [2020-07-28 19:15:54,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1272 transitions. [2020-07-28 19:15:54,285 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1272 transitions. Word has length 63 [2020-07-28 19:15:54,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:15:54,285 INFO L479 AbstractCegarLoop]: Abstraction has 1026 states and 1272 transitions. [2020-07-28 19:15:54,285 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:15:54,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1272 transitions. [2020-07-28 19:15:54,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-28 19:15:54,286 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:15:54,286 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:15:54,286 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-28 19:15:54,287 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:15:54,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:15:54,287 INFO L82 PathProgramCache]: Analyzing trace with hash 801765960, now seen corresponding path program 1 times [2020-07-28 19:15:54,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:15:54,287 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501097633] [2020-07-28 19:15:54,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:15:54,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:15:54,335 INFO L280 TraceCheckUtils]: 0: Hoare triple {27064#true} ~m_pc~0 := 0;~t1_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~token~0 := 0;~local~0 := 0; {27064#true} is VALID [2020-07-28 19:15:54,335 INFO L280 TraceCheckUtils]: 1: Hoare triple {27064#true} havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~m_i~0 := 1;~t1_i~0 := 1; {27064#true} is VALID [2020-07-28 19:15:54,336 INFO L280 TraceCheckUtils]: 2: Hoare triple {27064#true} havoc start_simulation_#t~ret8, start_simulation_#t~ret9, start_simulation_~kernel_st~0, start_simulation_~tmp~3, start_simulation_~tmp___0~1;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;havoc start_simulation_~tmp___0~1;start_simulation_~kernel_st~0 := 0; {27064#true} is VALID [2020-07-28 19:15:54,336 INFO L280 TraceCheckUtils]: 3: Hoare triple {27064#true} assume 1 == ~m_i~0;~m_st~0 := 0; {27064#true} is VALID [2020-07-28 19:15:54,336 INFO L280 TraceCheckUtils]: 4: Hoare triple {27064#true} assume 1 == ~t1_i~0;~t1_st~0 := 0; {27064#true} is VALID [2020-07-28 19:15:54,337 INFO L280 TraceCheckUtils]: 5: Hoare triple {27064#true} assume !(0 == ~M_E~0); {27064#true} is VALID [2020-07-28 19:15:54,337 INFO L280 TraceCheckUtils]: 6: Hoare triple {27064#true} assume !(0 == ~T1_E~0); {27064#true} is VALID [2020-07-28 19:15:54,337 INFO L280 TraceCheckUtils]: 7: Hoare triple {27064#true} assume !(0 == ~E_M~0); {27064#true} is VALID [2020-07-28 19:15:54,337 INFO L280 TraceCheckUtils]: 8: Hoare triple {27064#true} assume !(0 == ~E_1~0); {27064#true} is VALID [2020-07-28 19:15:54,337 INFO L280 TraceCheckUtils]: 9: Hoare triple {27064#true} havoc activate_threads_#t~ret5, activate_threads_#t~ret6, activate_threads_~tmp~1, activate_threads_~tmp___0~0;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~0;havoc is_master_triggered_#res;havoc is_master_triggered_~__retres1~0;havoc is_master_triggered_~__retres1~0; {27064#true} is VALID [2020-07-28 19:15:54,338 INFO L280 TraceCheckUtils]: 10: Hoare triple {27064#true} assume !(1 == ~m_pc~0); {27064#true} is VALID [2020-07-28 19:15:54,338 INFO L280 TraceCheckUtils]: 11: Hoare triple {27064#true} is_master_triggered_~__retres1~0 := 0; {27064#true} is VALID [2020-07-28 19:15:54,338 INFO L280 TraceCheckUtils]: 12: Hoare triple {27064#true} is_master_triggered_#res := is_master_triggered_~__retres1~0; {27064#true} is VALID [2020-07-28 19:15:54,338 INFO L280 TraceCheckUtils]: 13: Hoare triple {27064#true} activate_threads_#t~ret5 := is_master_triggered_#res;assume -2147483648 <= activate_threads_#t~ret5 && activate_threads_#t~ret5 <= 2147483647;activate_threads_~tmp~1 := activate_threads_#t~ret5;havoc activate_threads_#t~ret5; {27064#true} is VALID [2020-07-28 19:15:54,338 INFO L280 TraceCheckUtils]: 14: Hoare triple {27064#true} assume !(0 != activate_threads_~tmp~1); {27064#true} is VALID [2020-07-28 19:15:54,339 INFO L280 TraceCheckUtils]: 15: Hoare triple {27064#true} havoc is_transmit1_triggered_#res;havoc is_transmit1_triggered_~__retres1~1;havoc is_transmit1_triggered_~__retres1~1; {27064#true} is VALID [2020-07-28 19:15:54,339 INFO L280 TraceCheckUtils]: 16: Hoare triple {27064#true} assume !(1 == ~t1_pc~0); {27064#true} is VALID [2020-07-28 19:15:54,339 INFO L280 TraceCheckUtils]: 17: Hoare triple {27064#true} is_transmit1_triggered_~__retres1~1 := 0; {27064#true} is VALID [2020-07-28 19:15:54,339 INFO L280 TraceCheckUtils]: 18: Hoare triple {27064#true} is_transmit1_triggered_#res := is_transmit1_triggered_~__retres1~1; {27064#true} is VALID [2020-07-28 19:15:54,340 INFO L280 TraceCheckUtils]: 19: Hoare triple {27064#true} activate_threads_#t~ret6 := is_transmit1_triggered_#res;assume -2147483648 <= activate_threads_#t~ret6 && activate_threads_#t~ret6 <= 2147483647;activate_threads_~tmp___0~0 := activate_threads_#t~ret6;havoc activate_threads_#t~ret6; {27064#true} is VALID [2020-07-28 19:15:54,340 INFO L280 TraceCheckUtils]: 20: Hoare triple {27064#true} assume !(0 != activate_threads_~tmp___0~0); {27064#true} is VALID [2020-07-28 19:15:54,340 INFO L280 TraceCheckUtils]: 21: Hoare triple {27064#true} assume !(1 == ~M_E~0); {27064#true} is VALID [2020-07-28 19:15:54,340 INFO L280 TraceCheckUtils]: 22: Hoare triple {27064#true} assume !(1 == ~T1_E~0); {27064#true} is VALID [2020-07-28 19:15:54,340 INFO L280 TraceCheckUtils]: 23: Hoare triple {27064#true} assume !(1 == ~E_M~0); {27064#true} is VALID [2020-07-28 19:15:54,341 INFO L280 TraceCheckUtils]: 24: Hoare triple {27064#true} assume !(1 == ~E_1~0); {27064#true} is VALID [2020-07-28 19:15:54,341 INFO L280 TraceCheckUtils]: 25: Hoare triple {27064#true} assume !false; {27064#true} is VALID [2020-07-28 19:15:54,341 INFO L280 TraceCheckUtils]: 26: Hoare triple {27064#true} start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret2, eval_#t~nondet3, eval_~tmp_ndt_1~0, eval_#t~nondet4, eval_~tmp_ndt_2~0, eval_~tmp~0;havoc eval_~tmp~0; {27064#true} is VALID [2020-07-28 19:15:54,342 INFO L280 TraceCheckUtils]: 27: Hoare triple {27064#true} assume !false; {27064#true} is VALID [2020-07-28 19:15:54,342 INFO L280 TraceCheckUtils]: 28: Hoare triple {27064#true} havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; {27064#true} is VALID [2020-07-28 19:15:54,342 INFO L280 TraceCheckUtils]: 29: Hoare triple {27064#true} assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~2 := 1; {27064#true} is VALID [2020-07-28 19:15:54,342 INFO L280 TraceCheckUtils]: 30: Hoare triple {27064#true} exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; {27064#true} is VALID [2020-07-28 19:15:54,342 INFO L280 TraceCheckUtils]: 31: Hoare triple {27064#true} eval_#t~ret2 := exists_runnable_thread_#res;assume -2147483648 <= eval_#t~ret2 && eval_#t~ret2 <= 2147483647;eval_~tmp~0 := eval_#t~ret2;havoc eval_#t~ret2; {27064#true} is VALID [2020-07-28 19:15:54,343 INFO L280 TraceCheckUtils]: 32: Hoare triple {27064#true} assume 0 != eval_~tmp~0; {27064#true} is VALID [2020-07-28 19:15:54,343 INFO L280 TraceCheckUtils]: 33: Hoare triple {27064#true} assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0;assume -2147483648 <= eval_#t~nondet3 && eval_#t~nondet3 <= 2147483647;eval_~tmp_ndt_1~0 := eval_#t~nondet3;havoc eval_#t~nondet3; {27064#true} is VALID [2020-07-28 19:15:54,343 INFO L280 TraceCheckUtils]: 34: Hoare triple {27064#true} assume 0 != eval_~tmp_ndt_1~0;~m_st~0 := 1;havoc master_#t~nondet0, master_#t~nondet1, master_~tmp_var~0;assume -2147483648 <= master_#t~nondet0 && master_#t~nondet0 <= 2147483647;master_~tmp_var~0 := master_#t~nondet0;havoc master_#t~nondet0; {27064#true} is VALID [2020-07-28 19:15:54,343 INFO L280 TraceCheckUtils]: 35: Hoare triple {27064#true} assume 0 == ~m_pc~0; {27064#true} is VALID [2020-07-28 19:15:54,344 INFO L280 TraceCheckUtils]: 36: Hoare triple {27064#true} assume !false; {27064#true} is VALID [2020-07-28 19:15:54,344 INFO L280 TraceCheckUtils]: 37: Hoare triple {27064#true} assume -2147483648 <= master_#t~nondet1 && master_#t~nondet1 <= 2147483647;~token~0 := master_#t~nondet1;havoc master_#t~nondet1;~local~0 := ~token~0;~E_1~0 := 1;havoc activate_threads_#t~ret5, activate_threads_#t~ret6, activate_threads_~tmp~1, activate_threads_~tmp___0~0;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~0;havoc is_master_triggered_#res;havoc is_master_triggered_~__retres1~0;havoc is_master_triggered_~__retres1~0; {27064#true} is VALID [2020-07-28 19:15:54,344 INFO L280 TraceCheckUtils]: 38: Hoare triple {27064#true} assume !(1 == ~m_pc~0); {27064#true} is VALID [2020-07-28 19:15:54,344 INFO L280 TraceCheckUtils]: 39: Hoare triple {27064#true} is_master_triggered_~__retres1~0 := 0; {27064#true} is VALID [2020-07-28 19:15:54,345 INFO L280 TraceCheckUtils]: 40: Hoare triple {27064#true} is_master_triggered_#res := is_master_triggered_~__retres1~0; {27064#true} is VALID [2020-07-28 19:15:54,345 INFO L280 TraceCheckUtils]: 41: Hoare triple {27064#true} activate_threads_#t~ret5 := is_master_triggered_#res;assume -2147483648 <= activate_threads_#t~ret5 && activate_threads_#t~ret5 <= 2147483647;activate_threads_~tmp~1 := activate_threads_#t~ret5;havoc activate_threads_#t~ret5; {27064#true} is VALID [2020-07-28 19:15:54,345 INFO L280 TraceCheckUtils]: 42: Hoare triple {27064#true} assume !(0 != activate_threads_~tmp~1); {27064#true} is VALID [2020-07-28 19:15:54,345 INFO L280 TraceCheckUtils]: 43: Hoare triple {27064#true} havoc is_transmit1_triggered_#res;havoc is_transmit1_triggered_~__retres1~1;havoc is_transmit1_triggered_~__retres1~1; {27064#true} is VALID [2020-07-28 19:15:54,345 INFO L280 TraceCheckUtils]: 44: Hoare triple {27064#true} assume !(1 == ~t1_pc~0); {27064#true} is VALID [2020-07-28 19:15:54,346 INFO L280 TraceCheckUtils]: 45: Hoare triple {27064#true} is_transmit1_triggered_~__retres1~1 := 0; {27064#true} is VALID [2020-07-28 19:15:54,346 INFO L280 TraceCheckUtils]: 46: Hoare triple {27064#true} is_transmit1_triggered_#res := is_transmit1_triggered_~__retres1~1; {27064#true} is VALID [2020-07-28 19:15:54,346 INFO L280 TraceCheckUtils]: 47: Hoare triple {27064#true} activate_threads_#t~ret6 := is_transmit1_triggered_#res;assume -2147483648 <= activate_threads_#t~ret6 && activate_threads_#t~ret6 <= 2147483647;activate_threads_~tmp___0~0 := activate_threads_#t~ret6;havoc activate_threads_#t~ret6; {27064#true} is VALID [2020-07-28 19:15:54,346 INFO L280 TraceCheckUtils]: 48: Hoare triple {27064#true} assume !(0 != activate_threads_~tmp___0~0); {27064#true} is VALID [2020-07-28 19:15:54,347 INFO L280 TraceCheckUtils]: 49: Hoare triple {27064#true} ~E_1~0 := 2;~m_pc~0 := 1;~m_st~0 := 2; {27066#(<= 2 ~m_st~0)} is VALID [2020-07-28 19:15:54,348 INFO L280 TraceCheckUtils]: 50: Hoare triple {27066#(<= 2 ~m_st~0)} assume 0 == ~t1_st~0;havoc eval_~tmp_ndt_2~0;assume -2147483648 <= eval_#t~nondet4 && eval_#t~nondet4 <= 2147483647;eval_~tmp_ndt_2~0 := eval_#t~nondet4;havoc eval_#t~nondet4; {27066#(<= 2 ~m_st~0)} is VALID [2020-07-28 19:15:54,348 INFO L280 TraceCheckUtils]: 51: Hoare triple {27066#(<= 2 ~m_st~0)} assume !(0 != eval_~tmp_ndt_2~0); {27066#(<= 2 ~m_st~0)} is VALID [2020-07-28 19:15:54,349 INFO L280 TraceCheckUtils]: 52: Hoare triple {27066#(<= 2 ~m_st~0)} assume !false; {27066#(<= 2 ~m_st~0)} is VALID [2020-07-28 19:15:54,349 INFO L280 TraceCheckUtils]: 53: Hoare triple {27066#(<= 2 ~m_st~0)} havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; {27066#(<= 2 ~m_st~0)} is VALID [2020-07-28 19:15:54,350 INFO L280 TraceCheckUtils]: 54: Hoare triple {27066#(<= 2 ~m_st~0)} assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~2 := 1; {27065#false} is VALID [2020-07-28 19:15:54,350 INFO L280 TraceCheckUtils]: 55: Hoare triple {27065#false} exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; {27065#false} is VALID [2020-07-28 19:15:54,350 INFO L280 TraceCheckUtils]: 56: Hoare triple {27065#false} eval_#t~ret2 := exists_runnable_thread_#res;assume -2147483648 <= eval_#t~ret2 && eval_#t~ret2 <= 2147483647;eval_~tmp~0 := eval_#t~ret2;havoc eval_#t~ret2; {27065#false} is VALID [2020-07-28 19:15:54,351 INFO L280 TraceCheckUtils]: 57: Hoare triple {27065#false} assume 0 != eval_~tmp~0; {27065#false} is VALID [2020-07-28 19:15:54,351 INFO L280 TraceCheckUtils]: 58: Hoare triple {27065#false} assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0;assume -2147483648 <= eval_#t~nondet3 && eval_#t~nondet3 <= 2147483647;eval_~tmp_ndt_1~0 := eval_#t~nondet3;havoc eval_#t~nondet3; {27065#false} is VALID [2020-07-28 19:15:54,351 INFO L280 TraceCheckUtils]: 59: Hoare triple {27065#false} assume 0 != eval_~tmp_ndt_1~0;~m_st~0 := 1;havoc master_#t~nondet0, master_#t~nondet1, master_~tmp_var~0;assume -2147483648 <= master_#t~nondet0 && master_#t~nondet0 <= 2147483647;master_~tmp_var~0 := master_#t~nondet0;havoc master_#t~nondet0; {27065#false} is VALID [2020-07-28 19:15:54,351 INFO L280 TraceCheckUtils]: 60: Hoare triple {27065#false} assume !(0 == ~m_pc~0); {27065#false} is VALID [2020-07-28 19:15:54,352 INFO L280 TraceCheckUtils]: 61: Hoare triple {27065#false} assume 1 == ~m_pc~0; {27065#false} is VALID [2020-07-28 19:15:54,352 INFO L280 TraceCheckUtils]: 62: Hoare triple {27065#false} assume ~token~0 != 1 + ~local~0; {27065#false} is VALID [2020-07-28 19:15:54,352 INFO L280 TraceCheckUtils]: 63: Hoare triple {27065#false} assume !false; {27065#false} is VALID [2020-07-28 19:15:54,355 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:15:54,356 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501097633] [2020-07-28 19:15:54,356 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:15:54,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:15:54,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332806068] [2020-07-28 19:15:54,357 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-07-28 19:15:54,357 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:15:54,357 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:15:54,429 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:15:54,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:15:54,430 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:15:54,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:15:54,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:15:54,430 INFO L87 Difference]: Start difference. First operand 1026 states and 1272 transitions. Second operand 3 states. [2020-07-28 19:15:58,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:58,641 INFO L93 Difference]: Finished difference Result 2705 states and 3321 transitions. [2020-07-28 19:15:58,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:15:58,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-07-28 19:15:58,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:15:58,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:15:58,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 466 transitions. [2020-07-28 19:15:58,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:15:58,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 466 transitions. [2020-07-28 19:15:58,646 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 466 transitions. [2020-07-28 19:15:59,100 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 466 edges. 466 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:15:59,177 INFO L225 Difference]: With dead ends: 2705 [2020-07-28 19:15:59,177 INFO L226 Difference]: Without dead ends: 1288 [2020-07-28 19:15:59,179 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:15:59,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1288 states. [2020-07-28 19:16:01,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1288 to 1288. [2020-07-28 19:16:01,828 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:16:01,828 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1288 states. Second operand 1288 states. [2020-07-28 19:16:01,829 INFO L74 IsIncluded]: Start isIncluded. First operand 1288 states. Second operand 1288 states. [2020-07-28 19:16:01,829 INFO L87 Difference]: Start difference. First operand 1288 states. Second operand 1288 states. [2020-07-28 19:16:01,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:16:01,880 INFO L93 Difference]: Finished difference Result 1288 states and 1557 transitions. [2020-07-28 19:16:01,880 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1557 transitions. [2020-07-28 19:16:01,881 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:16:01,882 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:16:01,882 INFO L74 IsIncluded]: Start isIncluded. First operand 1288 states. Second operand 1288 states. [2020-07-28 19:16:01,882 INFO L87 Difference]: Start difference. First operand 1288 states. Second operand 1288 states. [2020-07-28 19:16:01,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:16:01,943 INFO L93 Difference]: Finished difference Result 1288 states and 1557 transitions. [2020-07-28 19:16:01,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1557 transitions. [2020-07-28 19:16:01,945 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:16:01,945 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:16:01,945 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:16:01,945 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:16:01,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1288 states. [2020-07-28 19:16:02,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 1288 states and 1557 transitions. [2020-07-28 19:16:02,011 INFO L78 Accepts]: Start accepts. Automaton has 1288 states and 1557 transitions. Word has length 64 [2020-07-28 19:16:02,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:16:02,012 INFO L479 AbstractCegarLoop]: Abstraction has 1288 states and 1557 transitions. [2020-07-28 19:16:02,012 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:16:02,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1557 transitions. [2020-07-28 19:16:02,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-28 19:16:02,013 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:16:02,013 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:16:02,014 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-28 19:16:02,014 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:16:02,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:16:02,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1159062640, now seen corresponding path program 1 times [2020-07-28 19:16:02,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:16:02,015 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832088760] [2020-07-28 19:16:02,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:16:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:16:02,061 INFO L280 TraceCheckUtils]: 0: Hoare triple {35169#true} ~m_pc~0 := 0;~t1_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~token~0 := 0;~local~0 := 0; {35169#true} is VALID [2020-07-28 19:16:02,061 INFO L280 TraceCheckUtils]: 1: Hoare triple {35169#true} havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~m_i~0 := 1;~t1_i~0 := 1; {35169#true} is VALID [2020-07-28 19:16:02,061 INFO L280 TraceCheckUtils]: 2: Hoare triple {35169#true} havoc start_simulation_#t~ret8, start_simulation_#t~ret9, start_simulation_~kernel_st~0, start_simulation_~tmp~3, start_simulation_~tmp___0~1;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;havoc start_simulation_~tmp___0~1;start_simulation_~kernel_st~0 := 0; {35169#true} is VALID [2020-07-28 19:16:02,062 INFO L280 TraceCheckUtils]: 3: Hoare triple {35169#true} assume 1 == ~m_i~0;~m_st~0 := 0; {35171#(= 0 ~m_st~0)} is VALID [2020-07-28 19:16:02,063 INFO L280 TraceCheckUtils]: 4: Hoare triple {35171#(= 0 ~m_st~0)} assume 1 == ~t1_i~0;~t1_st~0 := 0; {35171#(= 0 ~m_st~0)} is VALID [2020-07-28 19:16:02,063 INFO L280 TraceCheckUtils]: 5: Hoare triple {35171#(= 0 ~m_st~0)} assume !(0 == ~M_E~0); {35171#(= 0 ~m_st~0)} is VALID [2020-07-28 19:16:02,064 INFO L280 TraceCheckUtils]: 6: Hoare triple {35171#(= 0 ~m_st~0)} assume !(0 == ~T1_E~0); {35171#(= 0 ~m_st~0)} is VALID [2020-07-28 19:16:02,065 INFO L280 TraceCheckUtils]: 7: Hoare triple {35171#(= 0 ~m_st~0)} assume !(0 == ~E_M~0); {35171#(= 0 ~m_st~0)} is VALID [2020-07-28 19:16:02,065 INFO L280 TraceCheckUtils]: 8: Hoare triple {35171#(= 0 ~m_st~0)} assume !(0 == ~E_1~0); {35171#(= 0 ~m_st~0)} is VALID [2020-07-28 19:16:02,066 INFO L280 TraceCheckUtils]: 9: Hoare triple {35171#(= 0 ~m_st~0)} havoc activate_threads_#t~ret5, activate_threads_#t~ret6, activate_threads_~tmp~1, activate_threads_~tmp___0~0;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~0;havoc is_master_triggered_#res;havoc is_master_triggered_~__retres1~0;havoc is_master_triggered_~__retres1~0; {35171#(= 0 ~m_st~0)} is VALID [2020-07-28 19:16:02,067 INFO L280 TraceCheckUtils]: 10: Hoare triple {35171#(= 0 ~m_st~0)} assume !(1 == ~m_pc~0); {35171#(= 0 ~m_st~0)} is VALID [2020-07-28 19:16:02,067 INFO L280 TraceCheckUtils]: 11: Hoare triple {35171#(= 0 ~m_st~0)} is_master_triggered_~__retres1~0 := 0; {35171#(= 0 ~m_st~0)} is VALID [2020-07-28 19:16:02,068 INFO L280 TraceCheckUtils]: 12: Hoare triple {35171#(= 0 ~m_st~0)} is_master_triggered_#res := is_master_triggered_~__retres1~0; {35171#(= 0 ~m_st~0)} is VALID [2020-07-28 19:16:02,068 INFO L280 TraceCheckUtils]: 13: Hoare triple {35171#(= 0 ~m_st~0)} activate_threads_#t~ret5 := is_master_triggered_#res;assume -2147483648 <= activate_threads_#t~ret5 && activate_threads_#t~ret5 <= 2147483647;activate_threads_~tmp~1 := activate_threads_#t~ret5;havoc activate_threads_#t~ret5; {35171#(= 0 ~m_st~0)} is VALID [2020-07-28 19:16:02,069 INFO L280 TraceCheckUtils]: 14: Hoare triple {35171#(= 0 ~m_st~0)} assume !(0 != activate_threads_~tmp~1); {35171#(= 0 ~m_st~0)} is VALID [2020-07-28 19:16:02,070 INFO L280 TraceCheckUtils]: 15: Hoare triple {35171#(= 0 ~m_st~0)} havoc is_transmit1_triggered_#res;havoc is_transmit1_triggered_~__retres1~1;havoc is_transmit1_triggered_~__retres1~1; {35171#(= 0 ~m_st~0)} is VALID [2020-07-28 19:16:02,070 INFO L280 TraceCheckUtils]: 16: Hoare triple {35171#(= 0 ~m_st~0)} assume !(1 == ~t1_pc~0); {35171#(= 0 ~m_st~0)} is VALID [2020-07-28 19:16:02,071 INFO L280 TraceCheckUtils]: 17: Hoare triple {35171#(= 0 ~m_st~0)} is_transmit1_triggered_~__retres1~1 := 0; {35171#(= 0 ~m_st~0)} is VALID [2020-07-28 19:16:02,071 INFO L280 TraceCheckUtils]: 18: Hoare triple {35171#(= 0 ~m_st~0)} is_transmit1_triggered_#res := is_transmit1_triggered_~__retres1~1; {35171#(= 0 ~m_st~0)} is VALID [2020-07-28 19:16:02,072 INFO L280 TraceCheckUtils]: 19: Hoare triple {35171#(= 0 ~m_st~0)} activate_threads_#t~ret6 := is_transmit1_triggered_#res;assume -2147483648 <= activate_threads_#t~ret6 && activate_threads_#t~ret6 <= 2147483647;activate_threads_~tmp___0~0 := activate_threads_#t~ret6;havoc activate_threads_#t~ret6; {35171#(= 0 ~m_st~0)} is VALID [2020-07-28 19:16:02,072 INFO L280 TraceCheckUtils]: 20: Hoare triple {35171#(= 0 ~m_st~0)} assume !(0 != activate_threads_~tmp___0~0); {35171#(= 0 ~m_st~0)} is VALID [2020-07-28 19:16:02,073 INFO L280 TraceCheckUtils]: 21: Hoare triple {35171#(= 0 ~m_st~0)} assume !(1 == ~M_E~0); {35171#(= 0 ~m_st~0)} is VALID [2020-07-28 19:16:02,074 INFO L280 TraceCheckUtils]: 22: Hoare triple {35171#(= 0 ~m_st~0)} assume !(1 == ~T1_E~0); {35171#(= 0 ~m_st~0)} is VALID [2020-07-28 19:16:02,074 INFO L280 TraceCheckUtils]: 23: Hoare triple {35171#(= 0 ~m_st~0)} assume !(1 == ~E_M~0); {35171#(= 0 ~m_st~0)} is VALID [2020-07-28 19:16:02,075 INFO L280 TraceCheckUtils]: 24: Hoare triple {35171#(= 0 ~m_st~0)} assume !(1 == ~E_1~0); {35171#(= 0 ~m_st~0)} is VALID [2020-07-28 19:16:02,075 INFO L280 TraceCheckUtils]: 25: Hoare triple {35171#(= 0 ~m_st~0)} assume !false; {35171#(= 0 ~m_st~0)} is VALID [2020-07-28 19:16:02,076 INFO L280 TraceCheckUtils]: 26: Hoare triple {35171#(= 0 ~m_st~0)} start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret2, eval_#t~nondet3, eval_~tmp_ndt_1~0, eval_#t~nondet4, eval_~tmp_ndt_2~0, eval_~tmp~0;havoc eval_~tmp~0; {35171#(= 0 ~m_st~0)} is VALID [2020-07-28 19:16:02,076 INFO L280 TraceCheckUtils]: 27: Hoare triple {35171#(= 0 ~m_st~0)} assume !false; {35171#(= 0 ~m_st~0)} is VALID [2020-07-28 19:16:02,077 INFO L280 TraceCheckUtils]: 28: Hoare triple {35171#(= 0 ~m_st~0)} havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; {35171#(= 0 ~m_st~0)} is VALID [2020-07-28 19:16:02,078 INFO L280 TraceCheckUtils]: 29: Hoare triple {35171#(= 0 ~m_st~0)} assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~2 := 1; {35171#(= 0 ~m_st~0)} is VALID [2020-07-28 19:16:02,078 INFO L280 TraceCheckUtils]: 30: Hoare triple {35171#(= 0 ~m_st~0)} exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; {35171#(= 0 ~m_st~0)} is VALID [2020-07-28 19:16:02,079 INFO L280 TraceCheckUtils]: 31: Hoare triple {35171#(= 0 ~m_st~0)} eval_#t~ret2 := exists_runnable_thread_#res;assume -2147483648 <= eval_#t~ret2 && eval_#t~ret2 <= 2147483647;eval_~tmp~0 := eval_#t~ret2;havoc eval_#t~ret2; {35171#(= 0 ~m_st~0)} is VALID [2020-07-28 19:16:02,079 INFO L280 TraceCheckUtils]: 32: Hoare triple {35171#(= 0 ~m_st~0)} assume 0 != eval_~tmp~0; {35171#(= 0 ~m_st~0)} is VALID [2020-07-28 19:16:02,080 INFO L280 TraceCheckUtils]: 33: Hoare triple {35171#(= 0 ~m_st~0)} assume !(0 == ~m_st~0); {35170#false} is VALID [2020-07-28 19:16:02,080 INFO L280 TraceCheckUtils]: 34: Hoare triple {35170#false} assume 0 == ~t1_st~0;havoc eval_~tmp_ndt_2~0;assume -2147483648 <= eval_#t~nondet4 && eval_#t~nondet4 <= 2147483647;eval_~tmp_ndt_2~0 := eval_#t~nondet4;havoc eval_#t~nondet4; {35170#false} is VALID [2020-07-28 19:16:02,080 INFO L280 TraceCheckUtils]: 35: Hoare triple {35170#false} assume 0 != eval_~tmp_ndt_2~0;~t1_st~0 := 1; {35170#false} is VALID [2020-07-28 19:16:02,080 INFO L280 TraceCheckUtils]: 36: Hoare triple {35170#false} assume 0 == ~t1_pc~0; {35170#false} is VALID [2020-07-28 19:16:02,081 INFO L280 TraceCheckUtils]: 37: Hoare triple {35170#false} assume !false; {35170#false} is VALID [2020-07-28 19:16:02,081 INFO L280 TraceCheckUtils]: 38: Hoare triple {35170#false} ~t1_pc~0 := 1;~t1_st~0 := 2; {35170#false} is VALID [2020-07-28 19:16:02,081 INFO L280 TraceCheckUtils]: 39: Hoare triple {35170#false} assume !false; {35170#false} is VALID [2020-07-28 19:16:02,081 INFO L280 TraceCheckUtils]: 40: Hoare triple {35170#false} havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; {35170#false} is VALID [2020-07-28 19:16:02,081 INFO L280 TraceCheckUtils]: 41: Hoare triple {35170#false} assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~2 := 1; {35170#false} is VALID [2020-07-28 19:16:02,081 INFO L280 TraceCheckUtils]: 42: Hoare triple {35170#false} exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; {35170#false} is VALID [2020-07-28 19:16:02,082 INFO L280 TraceCheckUtils]: 43: Hoare triple {35170#false} eval_#t~ret2 := exists_runnable_thread_#res;assume -2147483648 <= eval_#t~ret2 && eval_#t~ret2 <= 2147483647;eval_~tmp~0 := eval_#t~ret2;havoc eval_#t~ret2; {35170#false} is VALID [2020-07-28 19:16:02,082 INFO L280 TraceCheckUtils]: 44: Hoare triple {35170#false} assume 0 != eval_~tmp~0; {35170#false} is VALID [2020-07-28 19:16:02,082 INFO L280 TraceCheckUtils]: 45: Hoare triple {35170#false} assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0;assume -2147483648 <= eval_#t~nondet3 && eval_#t~nondet3 <= 2147483647;eval_~tmp_ndt_1~0 := eval_#t~nondet3;havoc eval_#t~nondet3; {35170#false} is VALID [2020-07-28 19:16:02,083 INFO L280 TraceCheckUtils]: 46: Hoare triple {35170#false} assume 0 != eval_~tmp_ndt_1~0;~m_st~0 := 1;havoc master_#t~nondet0, master_#t~nondet1, master_~tmp_var~0;assume -2147483648 <= master_#t~nondet0 && master_#t~nondet0 <= 2147483647;master_~tmp_var~0 := master_#t~nondet0;havoc master_#t~nondet0; {35170#false} is VALID [2020-07-28 19:16:02,083 INFO L280 TraceCheckUtils]: 47: Hoare triple {35170#false} assume 0 == ~m_pc~0; {35170#false} is VALID [2020-07-28 19:16:02,083 INFO L280 TraceCheckUtils]: 48: Hoare triple {35170#false} assume !false; {35170#false} is VALID [2020-07-28 19:16:02,083 INFO L280 TraceCheckUtils]: 49: Hoare triple {35170#false} assume -2147483648 <= master_#t~nondet1 && master_#t~nondet1 <= 2147483647;~token~0 := master_#t~nondet1;havoc master_#t~nondet1;~local~0 := ~token~0;~E_1~0 := 1;havoc activate_threads_#t~ret5, activate_threads_#t~ret6, activate_threads_~tmp~1, activate_threads_~tmp___0~0;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~0;havoc is_master_triggered_#res;havoc is_master_triggered_~__retres1~0;havoc is_master_triggered_~__retres1~0; {35170#false} is VALID [2020-07-28 19:16:02,083 INFO L280 TraceCheckUtils]: 50: Hoare triple {35170#false} assume !(1 == ~m_pc~0); {35170#false} is VALID [2020-07-28 19:16:02,083 INFO L280 TraceCheckUtils]: 51: Hoare triple {35170#false} is_master_triggered_~__retres1~0 := 0; {35170#false} is VALID [2020-07-28 19:16:02,084 INFO L280 TraceCheckUtils]: 52: Hoare triple {35170#false} is_master_triggered_#res := is_master_triggered_~__retres1~0; {35170#false} is VALID [2020-07-28 19:16:02,084 INFO L280 TraceCheckUtils]: 53: Hoare triple {35170#false} activate_threads_#t~ret5 := is_master_triggered_#res;assume -2147483648 <= activate_threads_#t~ret5 && activate_threads_#t~ret5 <= 2147483647;activate_threads_~tmp~1 := activate_threads_#t~ret5;havoc activate_threads_#t~ret5; {35170#false} is VALID [2020-07-28 19:16:02,084 INFO L280 TraceCheckUtils]: 54: Hoare triple {35170#false} assume !(0 != activate_threads_~tmp~1); {35170#false} is VALID [2020-07-28 19:16:02,084 INFO L280 TraceCheckUtils]: 55: Hoare triple {35170#false} havoc is_transmit1_triggered_#res;havoc is_transmit1_triggered_~__retres1~1;havoc is_transmit1_triggered_~__retres1~1; {35170#false} is VALID [2020-07-28 19:16:02,084 INFO L280 TraceCheckUtils]: 56: Hoare triple {35170#false} assume 1 == ~t1_pc~0; {35170#false} is VALID [2020-07-28 19:16:02,084 INFO L280 TraceCheckUtils]: 57: Hoare triple {35170#false} assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~1 := 1; {35170#false} is VALID [2020-07-28 19:16:02,085 INFO L280 TraceCheckUtils]: 58: Hoare triple {35170#false} is_transmit1_triggered_#res := is_transmit1_triggered_~__retres1~1; {35170#false} is VALID [2020-07-28 19:16:02,085 INFO L280 TraceCheckUtils]: 59: Hoare triple {35170#false} activate_threads_#t~ret6 := is_transmit1_triggered_#res;assume -2147483648 <= activate_threads_#t~ret6 && activate_threads_#t~ret6 <= 2147483647;activate_threads_~tmp___0~0 := activate_threads_#t~ret6;havoc activate_threads_#t~ret6; {35170#false} is VALID [2020-07-28 19:16:02,085 INFO L280 TraceCheckUtils]: 60: Hoare triple {35170#false} assume 0 != activate_threads_~tmp___0~0;~t1_st~0 := 0; {35170#false} is VALID [2020-07-28 19:16:02,085 INFO L280 TraceCheckUtils]: 61: Hoare triple {35170#false} ~E_1~0 := 2;~m_pc~0 := 1;~m_st~0 := 2; {35170#false} is VALID [2020-07-28 19:16:02,087 INFO L280 TraceCheckUtils]: 62: Hoare triple {35170#false} assume 0 == ~t1_st~0;havoc eval_~tmp_ndt_2~0;assume -2147483648 <= eval_#t~nondet4 && eval_#t~nondet4 <= 2147483647;eval_~tmp_ndt_2~0 := eval_#t~nondet4;havoc eval_#t~nondet4; {35170#false} is VALID [2020-07-28 19:16:02,087 INFO L280 TraceCheckUtils]: 63: Hoare triple {35170#false} assume 0 != eval_~tmp_ndt_2~0;~t1_st~0 := 1; {35170#false} is VALID [2020-07-28 19:16:02,087 INFO L280 TraceCheckUtils]: 64: Hoare triple {35170#false} assume !(0 == ~t1_pc~0); {35170#false} is VALID [2020-07-28 19:16:02,087 INFO L280 TraceCheckUtils]: 65: Hoare triple {35170#false} assume 1 == ~t1_pc~0; {35170#false} is VALID [2020-07-28 19:16:02,087 INFO L280 TraceCheckUtils]: 66: Hoare triple {35170#false} ~token~0 := 1 + ~token~0;~E_M~0 := 1;havoc activate_threads_#t~ret5, activate_threads_#t~ret6, activate_threads_~tmp~1, activate_threads_~tmp___0~0;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~0;havoc is_master_triggered_#res;havoc is_master_triggered_~__retres1~0;havoc is_master_triggered_~__retres1~0; {35170#false} is VALID [2020-07-28 19:16:02,088 INFO L280 TraceCheckUtils]: 67: Hoare triple {35170#false} assume 1 == ~m_pc~0; {35170#false} is VALID [2020-07-28 19:16:02,088 INFO L280 TraceCheckUtils]: 68: Hoare triple {35170#false} assume 1 == ~E_M~0;is_master_triggered_~__retres1~0 := 1; {35170#false} is VALID [2020-07-28 19:16:02,088 INFO L280 TraceCheckUtils]: 69: Hoare triple {35170#false} is_master_triggered_#res := is_master_triggered_~__retres1~0; {35170#false} is VALID [2020-07-28 19:16:02,089 INFO L280 TraceCheckUtils]: 70: Hoare triple {35170#false} activate_threads_#t~ret5 := is_master_triggered_#res;assume -2147483648 <= activate_threads_#t~ret5 && activate_threads_#t~ret5 <= 2147483647;activate_threads_~tmp~1 := activate_threads_#t~ret5;havoc activate_threads_#t~ret5; {35170#false} is VALID [2020-07-28 19:16:02,089 INFO L280 TraceCheckUtils]: 71: Hoare triple {35170#false} assume 0 != activate_threads_~tmp~1;~m_st~0 := 0; {35170#false} is VALID [2020-07-28 19:16:02,089 INFO L280 TraceCheckUtils]: 72: Hoare triple {35170#false} havoc is_transmit1_triggered_#res;havoc is_transmit1_triggered_~__retres1~1;havoc is_transmit1_triggered_~__retres1~1; {35170#false} is VALID [2020-07-28 19:16:02,090 INFO L280 TraceCheckUtils]: 73: Hoare triple {35170#false} assume !(1 == ~t1_pc~0); {35170#false} is VALID [2020-07-28 19:16:02,090 INFO L280 TraceCheckUtils]: 74: Hoare triple {35170#false} is_transmit1_triggered_~__retres1~1 := 0; {35170#false} is VALID [2020-07-28 19:16:02,090 INFO L280 TraceCheckUtils]: 75: Hoare triple {35170#false} is_transmit1_triggered_#res := is_transmit1_triggered_~__retres1~1; {35170#false} is VALID [2020-07-28 19:16:02,090 INFO L280 TraceCheckUtils]: 76: Hoare triple {35170#false} activate_threads_#t~ret6 := is_transmit1_triggered_#res;assume -2147483648 <= activate_threads_#t~ret6 && activate_threads_#t~ret6 <= 2147483647;activate_threads_~tmp___0~0 := activate_threads_#t~ret6;havoc activate_threads_#t~ret6; {35170#false} is VALID [2020-07-28 19:16:02,091 INFO L280 TraceCheckUtils]: 77: Hoare triple {35170#false} assume !(0 != activate_threads_~tmp___0~0); {35170#false} is VALID [2020-07-28 19:16:02,091 INFO L280 TraceCheckUtils]: 78: Hoare triple {35170#false} ~E_M~0 := 2; {35170#false} is VALID [2020-07-28 19:16:02,091 INFO L280 TraceCheckUtils]: 79: Hoare triple {35170#false} assume !false; {35170#false} is VALID [2020-07-28 19:16:02,091 INFO L280 TraceCheckUtils]: 80: Hoare triple {35170#false} ~t1_pc~0 := 1;~t1_st~0 := 2; {35170#false} is VALID [2020-07-28 19:16:02,092 INFO L280 TraceCheckUtils]: 81: Hoare triple {35170#false} assume !false; {35170#false} is VALID [2020-07-28 19:16:02,092 INFO L280 TraceCheckUtils]: 82: Hoare triple {35170#false} havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; {35170#false} is VALID [2020-07-28 19:16:02,092 INFO L280 TraceCheckUtils]: 83: Hoare triple {35170#false} assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~2 := 1; {35170#false} is VALID [2020-07-28 19:16:02,092 INFO L280 TraceCheckUtils]: 84: Hoare triple {35170#false} exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; {35170#false} is VALID [2020-07-28 19:16:02,093 INFO L280 TraceCheckUtils]: 85: Hoare triple {35170#false} eval_#t~ret2 := exists_runnable_thread_#res;assume -2147483648 <= eval_#t~ret2 && eval_#t~ret2 <= 2147483647;eval_~tmp~0 := eval_#t~ret2;havoc eval_#t~ret2; {35170#false} is VALID [2020-07-28 19:16:02,093 INFO L280 TraceCheckUtils]: 86: Hoare triple {35170#false} assume 0 != eval_~tmp~0; {35170#false} is VALID [2020-07-28 19:16:02,093 INFO L280 TraceCheckUtils]: 87: Hoare triple {35170#false} assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0;assume -2147483648 <= eval_#t~nondet3 && eval_#t~nondet3 <= 2147483647;eval_~tmp_ndt_1~0 := eval_#t~nondet3;havoc eval_#t~nondet3; {35170#false} is VALID [2020-07-28 19:16:02,093 INFO L280 TraceCheckUtils]: 88: Hoare triple {35170#false} assume 0 != eval_~tmp_ndt_1~0;~m_st~0 := 1;havoc master_#t~nondet0, master_#t~nondet1, master_~tmp_var~0;assume -2147483648 <= master_#t~nondet0 && master_#t~nondet0 <= 2147483647;master_~tmp_var~0 := master_#t~nondet0;havoc master_#t~nondet0; {35170#false} is VALID [2020-07-28 19:16:02,105 INFO L280 TraceCheckUtils]: 89: Hoare triple {35170#false} assume !(0 == ~m_pc~0); {35170#false} is VALID [2020-07-28 19:16:02,106 INFO L280 TraceCheckUtils]: 90: Hoare triple {35170#false} assume 1 == ~m_pc~0; {35170#false} is VALID [2020-07-28 19:16:02,106 INFO L280 TraceCheckUtils]: 91: Hoare triple {35170#false} assume ~token~0 != 1 + ~local~0; {35170#false} is VALID [2020-07-28 19:16:02,106 INFO L280 TraceCheckUtils]: 92: Hoare triple {35170#false} assume !false; {35170#false} is VALID [2020-07-28 19:16:02,116 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-28 19:16:02,118 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832088760] [2020-07-28 19:16:02,119 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:16:02,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:16:02,119 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910549660] [2020-07-28 19:16:02,120 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2020-07-28 19:16:02,120 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:16:02,120 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:16:02,193 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 81 edges. 81 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:16:02,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:16:02,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:16:02,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:16:02,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:16:02,194 INFO L87 Difference]: Start difference. First operand 1288 states and 1557 transitions. Second operand 3 states. [2020-07-28 19:16:05,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:16:05,453 INFO L93 Difference]: Finished difference Result 2521 states and 3047 transitions. [2020-07-28 19:16:05,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:16:05,454 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2020-07-28 19:16:05,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:16:05,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:16:05,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 434 transitions. [2020-07-28 19:16:05,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:16:05,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 434 transitions. [2020-07-28 19:16:05,457 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 434 transitions. [2020-07-28 19:16:05,876 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 434 edges. 434 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:16:06,049 INFO L225 Difference]: With dead ends: 2521 [2020-07-28 19:16:06,050 INFO L226 Difference]: Without dead ends: 1258 [2020-07-28 19:16:06,053 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:16:06,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1258 states. [2020-07-28 19:16:08,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1258 to 1258. [2020-07-28 19:16:08,591 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:16:08,591 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1258 states. Second operand 1258 states. [2020-07-28 19:16:08,591 INFO L74 IsIncluded]: Start isIncluded. First operand 1258 states. Second operand 1258 states. [2020-07-28 19:16:08,592 INFO L87 Difference]: Start difference. First operand 1258 states. Second operand 1258 states. [2020-07-28 19:16:08,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:16:08,641 INFO L93 Difference]: Finished difference Result 1258 states and 1475 transitions. [2020-07-28 19:16:08,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1475 transitions. [2020-07-28 19:16:08,642 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:16:08,642 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:16:08,642 INFO L74 IsIncluded]: Start isIncluded. First operand 1258 states. Second operand 1258 states. [2020-07-28 19:16:08,642 INFO L87 Difference]: Start difference. First operand 1258 states. Second operand 1258 states. [2020-07-28 19:16:08,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:16:08,692 INFO L93 Difference]: Finished difference Result 1258 states and 1475 transitions. [2020-07-28 19:16:08,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1475 transitions. [2020-07-28 19:16:08,693 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:16:08,693 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:16:08,693 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:16:08,694 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:16:08,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1258 states. [2020-07-28 19:16:08,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1258 states and 1475 transitions. [2020-07-28 19:16:08,754 INFO L78 Accepts]: Start accepts. Automaton has 1258 states and 1475 transitions. Word has length 93 [2020-07-28 19:16:08,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:16:08,754 INFO L479 AbstractCegarLoop]: Abstraction has 1258 states and 1475 transitions. [2020-07-28 19:16:08,754 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:16:08,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1475 transitions. [2020-07-28 19:16:08,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-28 19:16:08,756 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:16:08,756 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:16:08,756 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-28 19:16:08,756 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:16:08,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:16:08,757 INFO L82 PathProgramCache]: Analyzing trace with hash -2067380816, now seen corresponding path program 1 times [2020-07-28 19:16:08,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:16:08,757 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637186440] [2020-07-28 19:16:08,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:16:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:16:08,809 INFO L280 TraceCheckUtils]: 0: Hoare triple {42945#true} ~m_pc~0 := 0;~t1_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~token~0 := 0;~local~0 := 0; {42945#true} is VALID [2020-07-28 19:16:08,810 INFO L280 TraceCheckUtils]: 1: Hoare triple {42945#true} havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~m_i~0 := 1;~t1_i~0 := 1; {42945#true} is VALID [2020-07-28 19:16:08,810 INFO L280 TraceCheckUtils]: 2: Hoare triple {42945#true} havoc start_simulation_#t~ret8, start_simulation_#t~ret9, start_simulation_~kernel_st~0, start_simulation_~tmp~3, start_simulation_~tmp___0~1;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;havoc start_simulation_~tmp___0~1;start_simulation_~kernel_st~0 := 0; {42945#true} is VALID [2020-07-28 19:16:08,810 INFO L280 TraceCheckUtils]: 3: Hoare triple {42945#true} assume 1 == ~m_i~0;~m_st~0 := 0; {42945#true} is VALID [2020-07-28 19:16:08,810 INFO L280 TraceCheckUtils]: 4: Hoare triple {42945#true} assume 1 == ~t1_i~0;~t1_st~0 := 0; {42945#true} is VALID [2020-07-28 19:16:08,811 INFO L280 TraceCheckUtils]: 5: Hoare triple {42945#true} assume !(0 == ~M_E~0); {42945#true} is VALID [2020-07-28 19:16:08,811 INFO L280 TraceCheckUtils]: 6: Hoare triple {42945#true} assume !(0 == ~T1_E~0); {42945#true} is VALID [2020-07-28 19:16:08,811 INFO L280 TraceCheckUtils]: 7: Hoare triple {42945#true} assume !(0 == ~E_M~0); {42945#true} is VALID [2020-07-28 19:16:08,811 INFO L280 TraceCheckUtils]: 8: Hoare triple {42945#true} assume !(0 == ~E_1~0); {42945#true} is VALID [2020-07-28 19:16:08,812 INFO L280 TraceCheckUtils]: 9: Hoare triple {42945#true} havoc activate_threads_#t~ret5, activate_threads_#t~ret6, activate_threads_~tmp~1, activate_threads_~tmp___0~0;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~0;havoc is_master_triggered_#res;havoc is_master_triggered_~__retres1~0;havoc is_master_triggered_~__retres1~0; {42945#true} is VALID [2020-07-28 19:16:08,812 INFO L280 TraceCheckUtils]: 10: Hoare triple {42945#true} assume !(1 == ~m_pc~0); {42945#true} is VALID [2020-07-28 19:16:08,812 INFO L280 TraceCheckUtils]: 11: Hoare triple {42945#true} is_master_triggered_~__retres1~0 := 0; {42945#true} is VALID [2020-07-28 19:16:08,812 INFO L280 TraceCheckUtils]: 12: Hoare triple {42945#true} is_master_triggered_#res := is_master_triggered_~__retres1~0; {42945#true} is VALID [2020-07-28 19:16:08,812 INFO L280 TraceCheckUtils]: 13: Hoare triple {42945#true} activate_threads_#t~ret5 := is_master_triggered_#res;assume -2147483648 <= activate_threads_#t~ret5 && activate_threads_#t~ret5 <= 2147483647;activate_threads_~tmp~1 := activate_threads_#t~ret5;havoc activate_threads_#t~ret5; {42945#true} is VALID [2020-07-28 19:16:08,813 INFO L280 TraceCheckUtils]: 14: Hoare triple {42945#true} assume !(0 != activate_threads_~tmp~1); {42945#true} is VALID [2020-07-28 19:16:08,813 INFO L280 TraceCheckUtils]: 15: Hoare triple {42945#true} havoc is_transmit1_triggered_#res;havoc is_transmit1_triggered_~__retres1~1;havoc is_transmit1_triggered_~__retres1~1; {42945#true} is VALID [2020-07-28 19:16:08,813 INFO L280 TraceCheckUtils]: 16: Hoare triple {42945#true} assume !(1 == ~t1_pc~0); {42945#true} is VALID [2020-07-28 19:16:08,813 INFO L280 TraceCheckUtils]: 17: Hoare triple {42945#true} is_transmit1_triggered_~__retres1~1 := 0; {42945#true} is VALID [2020-07-28 19:16:08,813 INFO L280 TraceCheckUtils]: 18: Hoare triple {42945#true} is_transmit1_triggered_#res := is_transmit1_triggered_~__retres1~1; {42945#true} is VALID [2020-07-28 19:16:08,813 INFO L280 TraceCheckUtils]: 19: Hoare triple {42945#true} activate_threads_#t~ret6 := is_transmit1_triggered_#res;assume -2147483648 <= activate_threads_#t~ret6 && activate_threads_#t~ret6 <= 2147483647;activate_threads_~tmp___0~0 := activate_threads_#t~ret6;havoc activate_threads_#t~ret6; {42945#true} is VALID [2020-07-28 19:16:08,813 INFO L280 TraceCheckUtils]: 20: Hoare triple {42945#true} assume !(0 != activate_threads_~tmp___0~0); {42945#true} is VALID [2020-07-28 19:16:08,813 INFO L280 TraceCheckUtils]: 21: Hoare triple {42945#true} assume !(1 == ~M_E~0); {42945#true} is VALID [2020-07-28 19:16:08,814 INFO L280 TraceCheckUtils]: 22: Hoare triple {42945#true} assume !(1 == ~T1_E~0); {42945#true} is VALID [2020-07-28 19:16:08,814 INFO L280 TraceCheckUtils]: 23: Hoare triple {42945#true} assume !(1 == ~E_M~0); {42945#true} is VALID [2020-07-28 19:16:08,814 INFO L280 TraceCheckUtils]: 24: Hoare triple {42945#true} assume !(1 == ~E_1~0); {42945#true} is VALID [2020-07-28 19:16:08,814 INFO L280 TraceCheckUtils]: 25: Hoare triple {42945#true} assume !false; {42945#true} is VALID [2020-07-28 19:16:08,814 INFO L280 TraceCheckUtils]: 26: Hoare triple {42945#true} start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret2, eval_#t~nondet3, eval_~tmp_ndt_1~0, eval_#t~nondet4, eval_~tmp_ndt_2~0, eval_~tmp~0;havoc eval_~tmp~0; {42945#true} is VALID [2020-07-28 19:16:08,814 INFO L280 TraceCheckUtils]: 27: Hoare triple {42945#true} assume !false; {42945#true} is VALID [2020-07-28 19:16:08,814 INFO L280 TraceCheckUtils]: 28: Hoare triple {42945#true} havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; {42945#true} is VALID [2020-07-28 19:16:08,815 INFO L280 TraceCheckUtils]: 29: Hoare triple {42945#true} assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~2 := 1; {42945#true} is VALID [2020-07-28 19:16:08,815 INFO L280 TraceCheckUtils]: 30: Hoare triple {42945#true} exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; {42945#true} is VALID [2020-07-28 19:16:08,815 INFO L280 TraceCheckUtils]: 31: Hoare triple {42945#true} eval_#t~ret2 := exists_runnable_thread_#res;assume -2147483648 <= eval_#t~ret2 && eval_#t~ret2 <= 2147483647;eval_~tmp~0 := eval_#t~ret2;havoc eval_#t~ret2; {42945#true} is VALID [2020-07-28 19:16:08,815 INFO L280 TraceCheckUtils]: 32: Hoare triple {42945#true} assume 0 != eval_~tmp~0; {42945#true} is VALID [2020-07-28 19:16:08,815 INFO L280 TraceCheckUtils]: 33: Hoare triple {42945#true} assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0;assume -2147483648 <= eval_#t~nondet3 && eval_#t~nondet3 <= 2147483647;eval_~tmp_ndt_1~0 := eval_#t~nondet3;havoc eval_#t~nondet3; {42945#true} is VALID [2020-07-28 19:16:08,815 INFO L280 TraceCheckUtils]: 34: Hoare triple {42945#true} assume 0 != eval_~tmp_ndt_1~0;~m_st~0 := 1;havoc master_#t~nondet0, master_#t~nondet1, master_~tmp_var~0;assume -2147483648 <= master_#t~nondet0 && master_#t~nondet0 <= 2147483647;master_~tmp_var~0 := master_#t~nondet0;havoc master_#t~nondet0; {42945#true} is VALID [2020-07-28 19:16:08,816 INFO L280 TraceCheckUtils]: 35: Hoare triple {42945#true} assume 0 == ~m_pc~0; {42945#true} is VALID [2020-07-28 19:16:08,816 INFO L280 TraceCheckUtils]: 36: Hoare triple {42945#true} assume !false; {42945#true} is VALID [2020-07-28 19:16:08,816 INFO L280 TraceCheckUtils]: 37: Hoare triple {42945#true} assume -2147483648 <= master_#t~nondet1 && master_#t~nondet1 <= 2147483647;~token~0 := master_#t~nondet1;havoc master_#t~nondet1;~local~0 := ~token~0;~E_1~0 := 1;havoc activate_threads_#t~ret5, activate_threads_#t~ret6, activate_threads_~tmp~1, activate_threads_~tmp___0~0;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~0;havoc is_master_triggered_#res;havoc is_master_triggered_~__retres1~0;havoc is_master_triggered_~__retres1~0; {42945#true} is VALID [2020-07-28 19:16:08,816 INFO L280 TraceCheckUtils]: 38: Hoare triple {42945#true} assume !(1 == ~m_pc~0); {42945#true} is VALID [2020-07-28 19:16:08,817 INFO L280 TraceCheckUtils]: 39: Hoare triple {42945#true} is_master_triggered_~__retres1~0 := 0; {42945#true} is VALID [2020-07-28 19:16:08,817 INFO L280 TraceCheckUtils]: 40: Hoare triple {42945#true} is_master_triggered_#res := is_master_triggered_~__retres1~0; {42945#true} is VALID [2020-07-28 19:16:08,817 INFO L280 TraceCheckUtils]: 41: Hoare triple {42945#true} activate_threads_#t~ret5 := is_master_triggered_#res;assume -2147483648 <= activate_threads_#t~ret5 && activate_threads_#t~ret5 <= 2147483647;activate_threads_~tmp~1 := activate_threads_#t~ret5;havoc activate_threads_#t~ret5; {42945#true} is VALID [2020-07-28 19:16:08,817 INFO L280 TraceCheckUtils]: 42: Hoare triple {42945#true} assume !(0 != activate_threads_~tmp~1); {42945#true} is VALID [2020-07-28 19:16:08,818 INFO L280 TraceCheckUtils]: 43: Hoare triple {42945#true} havoc is_transmit1_triggered_#res;havoc is_transmit1_triggered_~__retres1~1;havoc is_transmit1_triggered_~__retres1~1; {42945#true} is VALID [2020-07-28 19:16:08,818 INFO L280 TraceCheckUtils]: 44: Hoare triple {42945#true} assume !(1 == ~t1_pc~0); {42945#true} is VALID [2020-07-28 19:16:08,818 INFO L280 TraceCheckUtils]: 45: Hoare triple {42945#true} is_transmit1_triggered_~__retres1~1 := 0; {42945#true} is VALID [2020-07-28 19:16:08,818 INFO L280 TraceCheckUtils]: 46: Hoare triple {42945#true} is_transmit1_triggered_#res := is_transmit1_triggered_~__retres1~1; {42945#true} is VALID [2020-07-28 19:16:08,819 INFO L280 TraceCheckUtils]: 47: Hoare triple {42945#true} activate_threads_#t~ret6 := is_transmit1_triggered_#res;assume -2147483648 <= activate_threads_#t~ret6 && activate_threads_#t~ret6 <= 2147483647;activate_threads_~tmp___0~0 := activate_threads_#t~ret6;havoc activate_threads_#t~ret6; {42945#true} is VALID [2020-07-28 19:16:08,819 INFO L280 TraceCheckUtils]: 48: Hoare triple {42945#true} assume !(0 != activate_threads_~tmp___0~0); {42945#true} is VALID [2020-07-28 19:16:08,819 INFO L280 TraceCheckUtils]: 49: Hoare triple {42945#true} ~E_1~0 := 2;~m_pc~0 := 1;~m_st~0 := 2; {42945#true} is VALID [2020-07-28 19:16:08,819 INFO L280 TraceCheckUtils]: 50: Hoare triple {42945#true} assume 0 == ~t1_st~0;havoc eval_~tmp_ndt_2~0;assume -2147483648 <= eval_#t~nondet4 && eval_#t~nondet4 <= 2147483647;eval_~tmp_ndt_2~0 := eval_#t~nondet4;havoc eval_#t~nondet4; {42945#true} is VALID [2020-07-28 19:16:08,820 INFO L280 TraceCheckUtils]: 51: Hoare triple {42945#true} assume 0 != eval_~tmp_ndt_2~0;~t1_st~0 := 1; {42945#true} is VALID [2020-07-28 19:16:08,820 INFO L280 TraceCheckUtils]: 52: Hoare triple {42945#true} assume 0 == ~t1_pc~0; {42945#true} is VALID [2020-07-28 19:16:08,820 INFO L280 TraceCheckUtils]: 53: Hoare triple {42945#true} assume !false; {42945#true} is VALID [2020-07-28 19:16:08,824 INFO L280 TraceCheckUtils]: 54: Hoare triple {42945#true} ~t1_pc~0 := 1;~t1_st~0 := 2; {42947#(<= 2 ~t1_st~0)} is VALID [2020-07-28 19:16:08,825 INFO L280 TraceCheckUtils]: 55: Hoare triple {42947#(<= 2 ~t1_st~0)} assume !false; {42947#(<= 2 ~t1_st~0)} is VALID [2020-07-28 19:16:08,825 INFO L280 TraceCheckUtils]: 56: Hoare triple {42947#(<= 2 ~t1_st~0)} havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; {42947#(<= 2 ~t1_st~0)} is VALID [2020-07-28 19:16:08,826 INFO L280 TraceCheckUtils]: 57: Hoare triple {42947#(<= 2 ~t1_st~0)} assume !(0 == ~m_st~0); {42947#(<= 2 ~t1_st~0)} is VALID [2020-07-28 19:16:08,826 INFO L280 TraceCheckUtils]: 58: Hoare triple {42947#(<= 2 ~t1_st~0)} assume 0 == ~t1_st~0;exists_runnable_thread_~__retres1~2 := 1; {42946#false} is VALID [2020-07-28 19:16:08,827 INFO L280 TraceCheckUtils]: 59: Hoare triple {42946#false} exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; {42946#false} is VALID [2020-07-28 19:16:08,827 INFO L280 TraceCheckUtils]: 60: Hoare triple {42946#false} eval_#t~ret2 := exists_runnable_thread_#res;assume -2147483648 <= eval_#t~ret2 && eval_#t~ret2 <= 2147483647;eval_~tmp~0 := eval_#t~ret2;havoc eval_#t~ret2; {42946#false} is VALID [2020-07-28 19:16:08,827 INFO L280 TraceCheckUtils]: 61: Hoare triple {42946#false} assume 0 != eval_~tmp~0; {42946#false} is VALID [2020-07-28 19:16:08,827 INFO L280 TraceCheckUtils]: 62: Hoare triple {42946#false} assume !(0 == ~m_st~0); {42946#false} is VALID [2020-07-28 19:16:08,827 INFO L280 TraceCheckUtils]: 63: Hoare triple {42946#false} assume 0 == ~t1_st~0;havoc eval_~tmp_ndt_2~0;assume -2147483648 <= eval_#t~nondet4 && eval_#t~nondet4 <= 2147483647;eval_~tmp_ndt_2~0 := eval_#t~nondet4;havoc eval_#t~nondet4; {42946#false} is VALID [2020-07-28 19:16:08,827 INFO L280 TraceCheckUtils]: 64: Hoare triple {42946#false} assume 0 != eval_~tmp_ndt_2~0;~t1_st~0 := 1; {42946#false} is VALID [2020-07-28 19:16:08,827 INFO L280 TraceCheckUtils]: 65: Hoare triple {42946#false} assume !(0 == ~t1_pc~0); {42946#false} is VALID [2020-07-28 19:16:08,828 INFO L280 TraceCheckUtils]: 66: Hoare triple {42946#false} assume 1 == ~t1_pc~0; {42946#false} is VALID [2020-07-28 19:16:08,828 INFO L280 TraceCheckUtils]: 67: Hoare triple {42946#false} ~token~0 := 1 + ~token~0;~E_M~0 := 1;havoc activate_threads_#t~ret5, activate_threads_#t~ret6, activate_threads_~tmp~1, activate_threads_~tmp___0~0;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~0;havoc is_master_triggered_#res;havoc is_master_triggered_~__retres1~0;havoc is_master_triggered_~__retres1~0; {42946#false} is VALID [2020-07-28 19:16:08,828 INFO L280 TraceCheckUtils]: 68: Hoare triple {42946#false} assume 1 == ~m_pc~0; {42946#false} is VALID [2020-07-28 19:16:08,828 INFO L280 TraceCheckUtils]: 69: Hoare triple {42946#false} assume 1 == ~E_M~0;is_master_triggered_~__retres1~0 := 1; {42946#false} is VALID [2020-07-28 19:16:08,828 INFO L280 TraceCheckUtils]: 70: Hoare triple {42946#false} is_master_triggered_#res := is_master_triggered_~__retres1~0; {42946#false} is VALID [2020-07-28 19:16:08,828 INFO L280 TraceCheckUtils]: 71: Hoare triple {42946#false} activate_threads_#t~ret5 := is_master_triggered_#res;assume -2147483648 <= activate_threads_#t~ret5 && activate_threads_#t~ret5 <= 2147483647;activate_threads_~tmp~1 := activate_threads_#t~ret5;havoc activate_threads_#t~ret5; {42946#false} is VALID [2020-07-28 19:16:08,829 INFO L280 TraceCheckUtils]: 72: Hoare triple {42946#false} assume 0 != activate_threads_~tmp~1;~m_st~0 := 0; {42946#false} is VALID [2020-07-28 19:16:08,829 INFO L280 TraceCheckUtils]: 73: Hoare triple {42946#false} havoc is_transmit1_triggered_#res;havoc is_transmit1_triggered_~__retres1~1;havoc is_transmit1_triggered_~__retres1~1; {42946#false} is VALID [2020-07-28 19:16:08,829 INFO L280 TraceCheckUtils]: 74: Hoare triple {42946#false} assume !(1 == ~t1_pc~0); {42946#false} is VALID [2020-07-28 19:16:08,829 INFO L280 TraceCheckUtils]: 75: Hoare triple {42946#false} is_transmit1_triggered_~__retres1~1 := 0; {42946#false} is VALID [2020-07-28 19:16:08,829 INFO L280 TraceCheckUtils]: 76: Hoare triple {42946#false} is_transmit1_triggered_#res := is_transmit1_triggered_~__retres1~1; {42946#false} is VALID [2020-07-28 19:16:08,829 INFO L280 TraceCheckUtils]: 77: Hoare triple {42946#false} activate_threads_#t~ret6 := is_transmit1_triggered_#res;assume -2147483648 <= activate_threads_#t~ret6 && activate_threads_#t~ret6 <= 2147483647;activate_threads_~tmp___0~0 := activate_threads_#t~ret6;havoc activate_threads_#t~ret6; {42946#false} is VALID [2020-07-28 19:16:08,830 INFO L280 TraceCheckUtils]: 78: Hoare triple {42946#false} assume !(0 != activate_threads_~tmp___0~0); {42946#false} is VALID [2020-07-28 19:16:08,830 INFO L280 TraceCheckUtils]: 79: Hoare triple {42946#false} ~E_M~0 := 2; {42946#false} is VALID [2020-07-28 19:16:08,830 INFO L280 TraceCheckUtils]: 80: Hoare triple {42946#false} assume !false; {42946#false} is VALID [2020-07-28 19:16:08,830 INFO L280 TraceCheckUtils]: 81: Hoare triple {42946#false} ~t1_pc~0 := 1;~t1_st~0 := 2; {42946#false} is VALID [2020-07-28 19:16:08,830 INFO L280 TraceCheckUtils]: 82: Hoare triple {42946#false} assume !false; {42946#false} is VALID [2020-07-28 19:16:08,830 INFO L280 TraceCheckUtils]: 83: Hoare triple {42946#false} havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; {42946#false} is VALID [2020-07-28 19:16:08,831 INFO L280 TraceCheckUtils]: 84: Hoare triple {42946#false} assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~2 := 1; {42946#false} is VALID [2020-07-28 19:16:08,831 INFO L280 TraceCheckUtils]: 85: Hoare triple {42946#false} exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; {42946#false} is VALID [2020-07-28 19:16:08,831 INFO L280 TraceCheckUtils]: 86: Hoare triple {42946#false} eval_#t~ret2 := exists_runnable_thread_#res;assume -2147483648 <= eval_#t~ret2 && eval_#t~ret2 <= 2147483647;eval_~tmp~0 := eval_#t~ret2;havoc eval_#t~ret2; {42946#false} is VALID [2020-07-28 19:16:08,831 INFO L280 TraceCheckUtils]: 87: Hoare triple {42946#false} assume 0 != eval_~tmp~0; {42946#false} is VALID [2020-07-28 19:16:08,831 INFO L280 TraceCheckUtils]: 88: Hoare triple {42946#false} assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0;assume -2147483648 <= eval_#t~nondet3 && eval_#t~nondet3 <= 2147483647;eval_~tmp_ndt_1~0 := eval_#t~nondet3;havoc eval_#t~nondet3; {42946#false} is VALID [2020-07-28 19:16:08,831 INFO L280 TraceCheckUtils]: 89: Hoare triple {42946#false} assume 0 != eval_~tmp_ndt_1~0;~m_st~0 := 1;havoc master_#t~nondet0, master_#t~nondet1, master_~tmp_var~0;assume -2147483648 <= master_#t~nondet0 && master_#t~nondet0 <= 2147483647;master_~tmp_var~0 := master_#t~nondet0;havoc master_#t~nondet0; {42946#false} is VALID [2020-07-28 19:16:08,832 INFO L280 TraceCheckUtils]: 90: Hoare triple {42946#false} assume !(0 == ~m_pc~0); {42946#false} is VALID [2020-07-28 19:16:08,832 INFO L280 TraceCheckUtils]: 91: Hoare triple {42946#false} assume 1 == ~m_pc~0; {42946#false} is VALID [2020-07-28 19:16:08,832 INFO L280 TraceCheckUtils]: 92: Hoare triple {42946#false} assume ~token~0 != 1 + ~local~0; {42946#false} is VALID [2020-07-28 19:16:08,832 INFO L280 TraceCheckUtils]: 93: Hoare triple {42946#false} assume !false; {42946#false} is VALID [2020-07-28 19:16:08,836 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-28 19:16:08,837 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637186440] [2020-07-28 19:16:08,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:16:08,837 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:16:08,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926154939] [2020-07-28 19:16:08,838 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2020-07-28 19:16:08,838 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:16:08,838 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:16:08,921 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 91 edges. 91 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:16:08,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:16:08,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:16:08,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:16:08,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:16:08,923 INFO L87 Difference]: Start difference. First operand 1258 states and 1475 transitions. Second operand 3 states. [2020-07-28 19:16:11,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:16:11,381 INFO L93 Difference]: Finished difference Result 1869 states and 2197 transitions. [2020-07-28 19:16:11,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:16:11,381 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2020-07-28 19:16:11,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:16:11,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:16:11,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 430 transitions. [2020-07-28 19:16:11,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:16:11,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 430 transitions. [2020-07-28 19:16:11,384 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 430 transitions. [2020-07-28 19:16:11,789 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 430 edges. 430 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:16:11,809 INFO L225 Difference]: With dead ends: 1869 [2020-07-28 19:16:11,809 INFO L226 Difference]: Without dead ends: 594 [2020-07-28 19:16:11,811 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:16:11,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-07-28 19:16:13,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 594. [2020-07-28 19:16:13,148 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:16:13,148 INFO L82 GeneralOperation]: Start isEquivalent. First operand 594 states. Second operand 594 states. [2020-07-28 19:16:13,148 INFO L74 IsIncluded]: Start isIncluded. First operand 594 states. Second operand 594 states. [2020-07-28 19:16:13,148 INFO L87 Difference]: Start difference. First operand 594 states. Second operand 594 states. [2020-07-28 19:16:13,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:16:13,164 INFO L93 Difference]: Finished difference Result 594 states and 673 transitions. [2020-07-28 19:16:13,164 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 673 transitions. [2020-07-28 19:16:13,165 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:16:13,165 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:16:13,165 INFO L74 IsIncluded]: Start isIncluded. First operand 594 states. Second operand 594 states. [2020-07-28 19:16:13,165 INFO L87 Difference]: Start difference. First operand 594 states. Second operand 594 states. [2020-07-28 19:16:13,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:16:13,179 INFO L93 Difference]: Finished difference Result 594 states and 673 transitions. [2020-07-28 19:16:13,179 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 673 transitions. [2020-07-28 19:16:13,179 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:16:13,180 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:16:13,180 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:16:13,180 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:16:13,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2020-07-28 19:16:13,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 673 transitions. [2020-07-28 19:16:13,195 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 673 transitions. Word has length 94 [2020-07-28 19:16:13,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:16:13,195 INFO L479 AbstractCegarLoop]: Abstraction has 594 states and 673 transitions. [2020-07-28 19:16:13,195 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:16:13,195 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 673 transitions. [2020-07-28 19:16:13,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-28 19:16:13,196 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:16:13,197 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:16:13,197 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-28 19:16:13,197 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:16:13,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:16:13,198 INFO L82 PathProgramCache]: Analyzing trace with hash -899403247, now seen corresponding path program 1 times [2020-07-28 19:16:13,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:16:13,198 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536067049] [2020-07-28 19:16:13,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:16:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:16:13,242 INFO L280 TraceCheckUtils]: 0: Hoare triple {47571#true} ~m_pc~0 := 0;~t1_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~token~0 := 0;~local~0 := 0; {47571#true} is VALID [2020-07-28 19:16:13,243 INFO L280 TraceCheckUtils]: 1: Hoare triple {47571#true} havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~m_i~0 := 1;~t1_i~0 := 1; {47571#true} is VALID [2020-07-28 19:16:13,243 INFO L280 TraceCheckUtils]: 2: Hoare triple {47571#true} havoc start_simulation_#t~ret8, start_simulation_#t~ret9, start_simulation_~kernel_st~0, start_simulation_~tmp~3, start_simulation_~tmp___0~1;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;havoc start_simulation_~tmp___0~1;start_simulation_~kernel_st~0 := 0; {47571#true} is VALID [2020-07-28 19:16:13,243 INFO L280 TraceCheckUtils]: 3: Hoare triple {47571#true} assume 1 == ~m_i~0;~m_st~0 := 0; {47571#true} is VALID [2020-07-28 19:16:13,243 INFO L280 TraceCheckUtils]: 4: Hoare triple {47571#true} assume 1 == ~t1_i~0;~t1_st~0 := 0; {47571#true} is VALID [2020-07-28 19:16:13,243 INFO L280 TraceCheckUtils]: 5: Hoare triple {47571#true} assume !(0 == ~M_E~0); {47571#true} is VALID [2020-07-28 19:16:13,243 INFO L280 TraceCheckUtils]: 6: Hoare triple {47571#true} assume !(0 == ~T1_E~0); {47571#true} is VALID [2020-07-28 19:16:13,244 INFO L280 TraceCheckUtils]: 7: Hoare triple {47571#true} assume !(0 == ~E_M~0); {47571#true} is VALID [2020-07-28 19:16:13,244 INFO L280 TraceCheckUtils]: 8: Hoare triple {47571#true} assume !(0 == ~E_1~0); {47571#true} is VALID [2020-07-28 19:16:13,244 INFO L280 TraceCheckUtils]: 9: Hoare triple {47571#true} havoc activate_threads_#t~ret5, activate_threads_#t~ret6, activate_threads_~tmp~1, activate_threads_~tmp___0~0;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~0;havoc is_master_triggered_#res;havoc is_master_triggered_~__retres1~0;havoc is_master_triggered_~__retres1~0; {47571#true} is VALID [2020-07-28 19:16:13,244 INFO L280 TraceCheckUtils]: 10: Hoare triple {47571#true} assume !(1 == ~m_pc~0); {47571#true} is VALID [2020-07-28 19:16:13,245 INFO L280 TraceCheckUtils]: 11: Hoare triple {47571#true} is_master_triggered_~__retres1~0 := 0; {47571#true} is VALID [2020-07-28 19:16:13,245 INFO L280 TraceCheckUtils]: 12: Hoare triple {47571#true} is_master_triggered_#res := is_master_triggered_~__retres1~0; {47571#true} is VALID [2020-07-28 19:16:13,245 INFO L280 TraceCheckUtils]: 13: Hoare triple {47571#true} activate_threads_#t~ret5 := is_master_triggered_#res;assume -2147483648 <= activate_threads_#t~ret5 && activate_threads_#t~ret5 <= 2147483647;activate_threads_~tmp~1 := activate_threads_#t~ret5;havoc activate_threads_#t~ret5; {47571#true} is VALID [2020-07-28 19:16:13,245 INFO L280 TraceCheckUtils]: 14: Hoare triple {47571#true} assume !(0 != activate_threads_~tmp~1); {47571#true} is VALID [2020-07-28 19:16:13,245 INFO L280 TraceCheckUtils]: 15: Hoare triple {47571#true} havoc is_transmit1_triggered_#res;havoc is_transmit1_triggered_~__retres1~1;havoc is_transmit1_triggered_~__retres1~1; {47571#true} is VALID [2020-07-28 19:16:13,245 INFO L280 TraceCheckUtils]: 16: Hoare triple {47571#true} assume !(1 == ~t1_pc~0); {47571#true} is VALID [2020-07-28 19:16:13,246 INFO L280 TraceCheckUtils]: 17: Hoare triple {47571#true} is_transmit1_triggered_~__retres1~1 := 0; {47571#true} is VALID [2020-07-28 19:16:13,246 INFO L280 TraceCheckUtils]: 18: Hoare triple {47571#true} is_transmit1_triggered_#res := is_transmit1_triggered_~__retres1~1; {47571#true} is VALID [2020-07-28 19:16:13,246 INFO L280 TraceCheckUtils]: 19: Hoare triple {47571#true} activate_threads_#t~ret6 := is_transmit1_triggered_#res;assume -2147483648 <= activate_threads_#t~ret6 && activate_threads_#t~ret6 <= 2147483647;activate_threads_~tmp___0~0 := activate_threads_#t~ret6;havoc activate_threads_#t~ret6; {47571#true} is VALID [2020-07-28 19:16:13,246 INFO L280 TraceCheckUtils]: 20: Hoare triple {47571#true} assume !(0 != activate_threads_~tmp___0~0); {47571#true} is VALID [2020-07-28 19:16:13,246 INFO L280 TraceCheckUtils]: 21: Hoare triple {47571#true} assume !(1 == ~M_E~0); {47571#true} is VALID [2020-07-28 19:16:13,246 INFO L280 TraceCheckUtils]: 22: Hoare triple {47571#true} assume !(1 == ~T1_E~0); {47571#true} is VALID [2020-07-28 19:16:13,247 INFO L280 TraceCheckUtils]: 23: Hoare triple {47571#true} assume !(1 == ~E_M~0); {47571#true} is VALID [2020-07-28 19:16:13,247 INFO L280 TraceCheckUtils]: 24: Hoare triple {47571#true} assume !(1 == ~E_1~0); {47571#true} is VALID [2020-07-28 19:16:13,247 INFO L280 TraceCheckUtils]: 25: Hoare triple {47571#true} assume !false; {47571#true} is VALID [2020-07-28 19:16:13,247 INFO L280 TraceCheckUtils]: 26: Hoare triple {47571#true} start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret2, eval_#t~nondet3, eval_~tmp_ndt_1~0, eval_#t~nondet4, eval_~tmp_ndt_2~0, eval_~tmp~0;havoc eval_~tmp~0; {47571#true} is VALID [2020-07-28 19:16:13,247 INFO L280 TraceCheckUtils]: 27: Hoare triple {47571#true} assume !false; {47571#true} is VALID [2020-07-28 19:16:13,247 INFO L280 TraceCheckUtils]: 28: Hoare triple {47571#true} havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; {47571#true} is VALID [2020-07-28 19:16:13,247 INFO L280 TraceCheckUtils]: 29: Hoare triple {47571#true} assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~2 := 1; {47571#true} is VALID [2020-07-28 19:16:13,248 INFO L280 TraceCheckUtils]: 30: Hoare triple {47571#true} exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; {47571#true} is VALID [2020-07-28 19:16:13,248 INFO L280 TraceCheckUtils]: 31: Hoare triple {47571#true} eval_#t~ret2 := exists_runnable_thread_#res;assume -2147483648 <= eval_#t~ret2 && eval_#t~ret2 <= 2147483647;eval_~tmp~0 := eval_#t~ret2;havoc eval_#t~ret2; {47571#true} is VALID [2020-07-28 19:16:13,248 INFO L280 TraceCheckUtils]: 32: Hoare triple {47571#true} assume 0 != eval_~tmp~0; {47571#true} is VALID [2020-07-28 19:16:13,248 INFO L280 TraceCheckUtils]: 33: Hoare triple {47571#true} assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0;assume -2147483648 <= eval_#t~nondet3 && eval_#t~nondet3 <= 2147483647;eval_~tmp_ndt_1~0 := eval_#t~nondet3;havoc eval_#t~nondet3; {47571#true} is VALID [2020-07-28 19:16:13,249 INFO L280 TraceCheckUtils]: 34: Hoare triple {47571#true} assume !(0 != eval_~tmp_ndt_1~0); {47571#true} is VALID [2020-07-28 19:16:13,249 INFO L280 TraceCheckUtils]: 35: Hoare triple {47571#true} assume 0 == ~t1_st~0;havoc eval_~tmp_ndt_2~0;assume -2147483648 <= eval_#t~nondet4 && eval_#t~nondet4 <= 2147483647;eval_~tmp_ndt_2~0 := eval_#t~nondet4;havoc eval_#t~nondet4; {47571#true} is VALID [2020-07-28 19:16:13,250 INFO L280 TraceCheckUtils]: 36: Hoare triple {47571#true} assume 0 != eval_~tmp_ndt_2~0;~t1_st~0 := 1; {47571#true} is VALID [2020-07-28 19:16:13,250 INFO L280 TraceCheckUtils]: 37: Hoare triple {47571#true} assume 0 == ~t1_pc~0; {47571#true} is VALID [2020-07-28 19:16:13,250 INFO L280 TraceCheckUtils]: 38: Hoare triple {47571#true} assume !false; {47571#true} is VALID [2020-07-28 19:16:13,251 INFO L280 TraceCheckUtils]: 39: Hoare triple {47571#true} ~t1_pc~0 := 1;~t1_st~0 := 2; {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,251 INFO L280 TraceCheckUtils]: 40: Hoare triple {47573#(= 1 ~t1_pc~0)} assume !false; {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,253 INFO L280 TraceCheckUtils]: 41: Hoare triple {47573#(= 1 ~t1_pc~0)} havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,256 INFO L280 TraceCheckUtils]: 42: Hoare triple {47573#(= 1 ~t1_pc~0)} assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~2 := 1; {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,259 INFO L280 TraceCheckUtils]: 43: Hoare triple {47573#(= 1 ~t1_pc~0)} exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,262 INFO L280 TraceCheckUtils]: 44: Hoare triple {47573#(= 1 ~t1_pc~0)} eval_#t~ret2 := exists_runnable_thread_#res;assume -2147483648 <= eval_#t~ret2 && eval_#t~ret2 <= 2147483647;eval_~tmp~0 := eval_#t~ret2;havoc eval_#t~ret2; {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,264 INFO L280 TraceCheckUtils]: 45: Hoare triple {47573#(= 1 ~t1_pc~0)} assume 0 != eval_~tmp~0; {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,266 INFO L280 TraceCheckUtils]: 46: Hoare triple {47573#(= 1 ~t1_pc~0)} assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0;assume -2147483648 <= eval_#t~nondet3 && eval_#t~nondet3 <= 2147483647;eval_~tmp_ndt_1~0 := eval_#t~nondet3;havoc eval_#t~nondet3; {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,268 INFO L280 TraceCheckUtils]: 47: Hoare triple {47573#(= 1 ~t1_pc~0)} assume 0 != eval_~tmp_ndt_1~0;~m_st~0 := 1;havoc master_#t~nondet0, master_#t~nondet1, master_~tmp_var~0;assume -2147483648 <= master_#t~nondet0 && master_#t~nondet0 <= 2147483647;master_~tmp_var~0 := master_#t~nondet0;havoc master_#t~nondet0; {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,271 INFO L280 TraceCheckUtils]: 48: Hoare triple {47573#(= 1 ~t1_pc~0)} assume 0 == ~m_pc~0; {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,272 INFO L280 TraceCheckUtils]: 49: Hoare triple {47573#(= 1 ~t1_pc~0)} assume !false; {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,272 INFO L280 TraceCheckUtils]: 50: Hoare triple {47573#(= 1 ~t1_pc~0)} assume -2147483648 <= master_#t~nondet1 && master_#t~nondet1 <= 2147483647;~token~0 := master_#t~nondet1;havoc master_#t~nondet1;~local~0 := ~token~0;~E_1~0 := 1;havoc activate_threads_#t~ret5, activate_threads_#t~ret6, activate_threads_~tmp~1, activate_threads_~tmp___0~0;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~0;havoc is_master_triggered_#res;havoc is_master_triggered_~__retres1~0;havoc is_master_triggered_~__retres1~0; {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,273 INFO L280 TraceCheckUtils]: 51: Hoare triple {47573#(= 1 ~t1_pc~0)} assume !(1 == ~m_pc~0); {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,274 INFO L280 TraceCheckUtils]: 52: Hoare triple {47573#(= 1 ~t1_pc~0)} is_master_triggered_~__retres1~0 := 0; {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,274 INFO L280 TraceCheckUtils]: 53: Hoare triple {47573#(= 1 ~t1_pc~0)} is_master_triggered_#res := is_master_triggered_~__retres1~0; {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,275 INFO L280 TraceCheckUtils]: 54: Hoare triple {47573#(= 1 ~t1_pc~0)} activate_threads_#t~ret5 := is_master_triggered_#res;assume -2147483648 <= activate_threads_#t~ret5 && activate_threads_#t~ret5 <= 2147483647;activate_threads_~tmp~1 := activate_threads_#t~ret5;havoc activate_threads_#t~ret5; {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,275 INFO L280 TraceCheckUtils]: 55: Hoare triple {47573#(= 1 ~t1_pc~0)} assume !(0 != activate_threads_~tmp~1); {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,276 INFO L280 TraceCheckUtils]: 56: Hoare triple {47573#(= 1 ~t1_pc~0)} havoc is_transmit1_triggered_#res;havoc is_transmit1_triggered_~__retres1~1;havoc is_transmit1_triggered_~__retres1~1; {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,276 INFO L280 TraceCheckUtils]: 57: Hoare triple {47573#(= 1 ~t1_pc~0)} assume 1 == ~t1_pc~0; {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,277 INFO L280 TraceCheckUtils]: 58: Hoare triple {47573#(= 1 ~t1_pc~0)} assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~1 := 1; {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,277 INFO L280 TraceCheckUtils]: 59: Hoare triple {47573#(= 1 ~t1_pc~0)} is_transmit1_triggered_#res := is_transmit1_triggered_~__retres1~1; {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,278 INFO L280 TraceCheckUtils]: 60: Hoare triple {47573#(= 1 ~t1_pc~0)} activate_threads_#t~ret6 := is_transmit1_triggered_#res;assume -2147483648 <= activate_threads_#t~ret6 && activate_threads_#t~ret6 <= 2147483647;activate_threads_~tmp___0~0 := activate_threads_#t~ret6;havoc activate_threads_#t~ret6; {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,279 INFO L280 TraceCheckUtils]: 61: Hoare triple {47573#(= 1 ~t1_pc~0)} assume 0 != activate_threads_~tmp___0~0;~t1_st~0 := 0; {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,279 INFO L280 TraceCheckUtils]: 62: Hoare triple {47573#(= 1 ~t1_pc~0)} ~E_1~0 := 2;~m_pc~0 := 1;~m_st~0 := 2; {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,280 INFO L280 TraceCheckUtils]: 63: Hoare triple {47573#(= 1 ~t1_pc~0)} assume 0 == ~t1_st~0;havoc eval_~tmp_ndt_2~0;assume -2147483648 <= eval_#t~nondet4 && eval_#t~nondet4 <= 2147483647;eval_~tmp_ndt_2~0 := eval_#t~nondet4;havoc eval_#t~nondet4; {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,280 INFO L280 TraceCheckUtils]: 64: Hoare triple {47573#(= 1 ~t1_pc~0)} assume 0 != eval_~tmp_ndt_2~0;~t1_st~0 := 1; {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,281 INFO L280 TraceCheckUtils]: 65: Hoare triple {47573#(= 1 ~t1_pc~0)} assume !(0 == ~t1_pc~0); {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,281 INFO L280 TraceCheckUtils]: 66: Hoare triple {47573#(= 1 ~t1_pc~0)} assume 1 == ~t1_pc~0; {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,282 INFO L280 TraceCheckUtils]: 67: Hoare triple {47573#(= 1 ~t1_pc~0)} ~token~0 := 1 + ~token~0;~E_M~0 := 1;havoc activate_threads_#t~ret5, activate_threads_#t~ret6, activate_threads_~tmp~1, activate_threads_~tmp___0~0;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~0;havoc is_master_triggered_#res;havoc is_master_triggered_~__retres1~0;havoc is_master_triggered_~__retres1~0; {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,282 INFO L280 TraceCheckUtils]: 68: Hoare triple {47573#(= 1 ~t1_pc~0)} assume 1 == ~m_pc~0; {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,283 INFO L280 TraceCheckUtils]: 69: Hoare triple {47573#(= 1 ~t1_pc~0)} assume 1 == ~E_M~0;is_master_triggered_~__retres1~0 := 1; {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,283 INFO L280 TraceCheckUtils]: 70: Hoare triple {47573#(= 1 ~t1_pc~0)} is_master_triggered_#res := is_master_triggered_~__retres1~0; {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,284 INFO L280 TraceCheckUtils]: 71: Hoare triple {47573#(= 1 ~t1_pc~0)} activate_threads_#t~ret5 := is_master_triggered_#res;assume -2147483648 <= activate_threads_#t~ret5 && activate_threads_#t~ret5 <= 2147483647;activate_threads_~tmp~1 := activate_threads_#t~ret5;havoc activate_threads_#t~ret5; {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,285 INFO L280 TraceCheckUtils]: 72: Hoare triple {47573#(= 1 ~t1_pc~0)} assume 0 != activate_threads_~tmp~1;~m_st~0 := 0; {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,285 INFO L280 TraceCheckUtils]: 73: Hoare triple {47573#(= 1 ~t1_pc~0)} havoc is_transmit1_triggered_#res;havoc is_transmit1_triggered_~__retres1~1;havoc is_transmit1_triggered_~__retres1~1; {47573#(= 1 ~t1_pc~0)} is VALID [2020-07-28 19:16:13,286 INFO L280 TraceCheckUtils]: 74: Hoare triple {47573#(= 1 ~t1_pc~0)} assume !(1 == ~t1_pc~0); {47572#false} is VALID [2020-07-28 19:16:13,286 INFO L280 TraceCheckUtils]: 75: Hoare triple {47572#false} is_transmit1_triggered_~__retres1~1 := 0; {47572#false} is VALID [2020-07-28 19:16:13,286 INFO L280 TraceCheckUtils]: 76: Hoare triple {47572#false} is_transmit1_triggered_#res := is_transmit1_triggered_~__retres1~1; {47572#false} is VALID [2020-07-28 19:16:13,286 INFO L280 TraceCheckUtils]: 77: Hoare triple {47572#false} activate_threads_#t~ret6 := is_transmit1_triggered_#res;assume -2147483648 <= activate_threads_#t~ret6 && activate_threads_#t~ret6 <= 2147483647;activate_threads_~tmp___0~0 := activate_threads_#t~ret6;havoc activate_threads_#t~ret6; {47572#false} is VALID [2020-07-28 19:16:13,286 INFO L280 TraceCheckUtils]: 78: Hoare triple {47572#false} assume !(0 != activate_threads_~tmp___0~0); {47572#false} is VALID [2020-07-28 19:16:13,286 INFO L280 TraceCheckUtils]: 79: Hoare triple {47572#false} ~E_M~0 := 2; {47572#false} is VALID [2020-07-28 19:16:13,287 INFO L280 TraceCheckUtils]: 80: Hoare triple {47572#false} assume !false; {47572#false} is VALID [2020-07-28 19:16:13,287 INFO L280 TraceCheckUtils]: 81: Hoare triple {47572#false} ~t1_pc~0 := 1;~t1_st~0 := 2; {47572#false} is VALID [2020-07-28 19:16:13,287 INFO L280 TraceCheckUtils]: 82: Hoare triple {47572#false} assume !false; {47572#false} is VALID [2020-07-28 19:16:13,287 INFO L280 TraceCheckUtils]: 83: Hoare triple {47572#false} havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; {47572#false} is VALID [2020-07-28 19:16:13,288 INFO L280 TraceCheckUtils]: 84: Hoare triple {47572#false} assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~2 := 1; {47572#false} is VALID [2020-07-28 19:16:13,288 INFO L280 TraceCheckUtils]: 85: Hoare triple {47572#false} exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; {47572#false} is VALID [2020-07-28 19:16:13,288 INFO L280 TraceCheckUtils]: 86: Hoare triple {47572#false} eval_#t~ret2 := exists_runnable_thread_#res;assume -2147483648 <= eval_#t~ret2 && eval_#t~ret2 <= 2147483647;eval_~tmp~0 := eval_#t~ret2;havoc eval_#t~ret2; {47572#false} is VALID [2020-07-28 19:16:13,288 INFO L280 TraceCheckUtils]: 87: Hoare triple {47572#false} assume 0 != eval_~tmp~0; {47572#false} is VALID [2020-07-28 19:16:13,288 INFO L280 TraceCheckUtils]: 88: Hoare triple {47572#false} assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0;assume -2147483648 <= eval_#t~nondet3 && eval_#t~nondet3 <= 2147483647;eval_~tmp_ndt_1~0 := eval_#t~nondet3;havoc eval_#t~nondet3; {47572#false} is VALID [2020-07-28 19:16:13,288 INFO L280 TraceCheckUtils]: 89: Hoare triple {47572#false} assume 0 != eval_~tmp_ndt_1~0;~m_st~0 := 1;havoc master_#t~nondet0, master_#t~nondet1, master_~tmp_var~0;assume -2147483648 <= master_#t~nondet0 && master_#t~nondet0 <= 2147483647;master_~tmp_var~0 := master_#t~nondet0;havoc master_#t~nondet0; {47572#false} is VALID [2020-07-28 19:16:13,289 INFO L280 TraceCheckUtils]: 90: Hoare triple {47572#false} assume !(0 == ~m_pc~0); {47572#false} is VALID [2020-07-28 19:16:13,289 INFO L280 TraceCheckUtils]: 91: Hoare triple {47572#false} assume 1 == ~m_pc~0; {47572#false} is VALID [2020-07-28 19:16:13,289 INFO L280 TraceCheckUtils]: 92: Hoare triple {47572#false} assume ~token~0 != 1 + ~local~0; {47572#false} is VALID [2020-07-28 19:16:13,290 INFO L280 TraceCheckUtils]: 93: Hoare triple {47572#false} assume !false; {47572#false} is VALID [2020-07-28 19:16:13,295 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:16:13,296 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536067049] [2020-07-28 19:16:13,296 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:16:13,296 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:16:13,296 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410266988] [2020-07-28 19:16:13,297 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2020-07-28 19:16:13,297 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:16:13,297 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:16:13,382 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 94 edges. 94 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:16:13,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:16:13,382 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:16:13,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:16:13,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:16:13,383 INFO L87 Difference]: Start difference. First operand 594 states and 673 transitions. Second operand 3 states. [2020-07-28 19:16:14,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:16:14,930 INFO L93 Difference]: Finished difference Result 1042 states and 1187 transitions. [2020-07-28 19:16:14,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:16:14,930 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2020-07-28 19:16:14,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:16:14,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:16:14,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 380 transitions. [2020-07-28 19:16:14,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:16:14,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 380 transitions. [2020-07-28 19:16:14,933 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 380 transitions. [2020-07-28 19:16:15,294 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 380 edges. 380 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:16:15,313 INFO L225 Difference]: With dead ends: 1042 [2020-07-28 19:16:15,313 INFO L226 Difference]: Without dead ends: 594 [2020-07-28 19:16:15,316 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:16:15,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-07-28 19:16:16,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 594. [2020-07-28 19:16:16,706 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:16:16,707 INFO L82 GeneralOperation]: Start isEquivalent. First operand 594 states. Second operand 594 states. [2020-07-28 19:16:16,707 INFO L74 IsIncluded]: Start isIncluded. First operand 594 states. Second operand 594 states. [2020-07-28 19:16:16,707 INFO L87 Difference]: Start difference. First operand 594 states. Second operand 594 states. [2020-07-28 19:16:16,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:16:16,722 INFO L93 Difference]: Finished difference Result 594 states and 662 transitions. [2020-07-28 19:16:16,723 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 662 transitions. [2020-07-28 19:16:16,723 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:16:16,724 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:16:16,724 INFO L74 IsIncluded]: Start isIncluded. First operand 594 states. Second operand 594 states. [2020-07-28 19:16:16,724 INFO L87 Difference]: Start difference. First operand 594 states. Second operand 594 states. [2020-07-28 19:16:16,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:16:16,737 INFO L93 Difference]: Finished difference Result 594 states and 662 transitions. [2020-07-28 19:16:16,737 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 662 transitions. [2020-07-28 19:16:16,738 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:16:16,738 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:16:16,738 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:16:16,738 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:16:16,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2020-07-28 19:16:16,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 662 transitions. [2020-07-28 19:16:16,754 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 662 transitions. Word has length 94 [2020-07-28 19:16:16,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:16:16,754 INFO L479 AbstractCegarLoop]: Abstraction has 594 states and 662 transitions. [2020-07-28 19:16:16,754 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:16:16,754 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 662 transitions. [2020-07-28 19:16:16,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-07-28 19:16:16,755 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:16:16,755 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:16:16,756 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-28 19:16:16,756 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:16:16,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:16:16,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1716798106, now seen corresponding path program 1 times [2020-07-28 19:16:16,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:16:16,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460628146] [2020-07-28 19:16:16,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:16:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:16:16,879 INFO L280 TraceCheckUtils]: 0: Hoare triple {51040#true} ~m_pc~0 := 0;~t1_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~token~0 := 0;~local~0 := 0; {51040#true} is VALID [2020-07-28 19:16:16,880 INFO L280 TraceCheckUtils]: 1: Hoare triple {51040#true} havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~m_i~0 := 1;~t1_i~0 := 1; {51040#true} is VALID [2020-07-28 19:16:16,880 INFO L280 TraceCheckUtils]: 2: Hoare triple {51040#true} havoc start_simulation_#t~ret8, start_simulation_#t~ret9, start_simulation_~kernel_st~0, start_simulation_~tmp~3, start_simulation_~tmp___0~1;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;havoc start_simulation_~tmp___0~1;start_simulation_~kernel_st~0 := 0; {51040#true} is VALID [2020-07-28 19:16:16,880 INFO L280 TraceCheckUtils]: 3: Hoare triple {51040#true} assume 1 == ~m_i~0;~m_st~0 := 0; {51040#true} is VALID [2020-07-28 19:16:16,880 INFO L280 TraceCheckUtils]: 4: Hoare triple {51040#true} assume 1 == ~t1_i~0;~t1_st~0 := 0; {51040#true} is VALID [2020-07-28 19:16:16,880 INFO L280 TraceCheckUtils]: 5: Hoare triple {51040#true} assume !(0 == ~M_E~0); {51040#true} is VALID [2020-07-28 19:16:16,881 INFO L280 TraceCheckUtils]: 6: Hoare triple {51040#true} assume !(0 == ~T1_E~0); {51040#true} is VALID [2020-07-28 19:16:16,881 INFO L280 TraceCheckUtils]: 7: Hoare triple {51040#true} assume !(0 == ~E_M~0); {51040#true} is VALID [2020-07-28 19:16:16,881 INFO L280 TraceCheckUtils]: 8: Hoare triple {51040#true} assume !(0 == ~E_1~0); {51040#true} is VALID [2020-07-28 19:16:16,882 INFO L280 TraceCheckUtils]: 9: Hoare triple {51040#true} havoc activate_threads_#t~ret5, activate_threads_#t~ret6, activate_threads_~tmp~1, activate_threads_~tmp___0~0;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~0;havoc is_master_triggered_#res;havoc is_master_triggered_~__retres1~0;havoc is_master_triggered_~__retres1~0; {51040#true} is VALID [2020-07-28 19:16:16,882 INFO L280 TraceCheckUtils]: 10: Hoare triple {51040#true} assume !(1 == ~m_pc~0); {51040#true} is VALID [2020-07-28 19:16:16,882 INFO L280 TraceCheckUtils]: 11: Hoare triple {51040#true} is_master_triggered_~__retres1~0 := 0; {51040#true} is VALID [2020-07-28 19:16:16,882 INFO L280 TraceCheckUtils]: 12: Hoare triple {51040#true} is_master_triggered_#res := is_master_triggered_~__retres1~0; {51040#true} is VALID [2020-07-28 19:16:16,883 INFO L280 TraceCheckUtils]: 13: Hoare triple {51040#true} activate_threads_#t~ret5 := is_master_triggered_#res;assume -2147483648 <= activate_threads_#t~ret5 && activate_threads_#t~ret5 <= 2147483647;activate_threads_~tmp~1 := activate_threads_#t~ret5;havoc activate_threads_#t~ret5; {51040#true} is VALID [2020-07-28 19:16:16,883 INFO L280 TraceCheckUtils]: 14: Hoare triple {51040#true} assume !(0 != activate_threads_~tmp~1); {51040#true} is VALID [2020-07-28 19:16:16,883 INFO L280 TraceCheckUtils]: 15: Hoare triple {51040#true} havoc is_transmit1_triggered_#res;havoc is_transmit1_triggered_~__retres1~1;havoc is_transmit1_triggered_~__retres1~1; {51040#true} is VALID [2020-07-28 19:16:16,883 INFO L280 TraceCheckUtils]: 16: Hoare triple {51040#true} assume !(1 == ~t1_pc~0); {51040#true} is VALID [2020-07-28 19:16:16,883 INFO L280 TraceCheckUtils]: 17: Hoare triple {51040#true} is_transmit1_triggered_~__retres1~1 := 0; {51040#true} is VALID [2020-07-28 19:16:16,884 INFO L280 TraceCheckUtils]: 18: Hoare triple {51040#true} is_transmit1_triggered_#res := is_transmit1_triggered_~__retres1~1; {51040#true} is VALID [2020-07-28 19:16:16,884 INFO L280 TraceCheckUtils]: 19: Hoare triple {51040#true} activate_threads_#t~ret6 := is_transmit1_triggered_#res;assume -2147483648 <= activate_threads_#t~ret6 && activate_threads_#t~ret6 <= 2147483647;activate_threads_~tmp___0~0 := activate_threads_#t~ret6;havoc activate_threads_#t~ret6; {51040#true} is VALID [2020-07-28 19:16:16,884 INFO L280 TraceCheckUtils]: 20: Hoare triple {51040#true} assume !(0 != activate_threads_~tmp___0~0); {51040#true} is VALID [2020-07-28 19:16:16,884 INFO L280 TraceCheckUtils]: 21: Hoare triple {51040#true} assume !(1 == ~M_E~0); {51040#true} is VALID [2020-07-28 19:16:16,884 INFO L280 TraceCheckUtils]: 22: Hoare triple {51040#true} assume !(1 == ~T1_E~0); {51040#true} is VALID [2020-07-28 19:16:16,885 INFO L280 TraceCheckUtils]: 23: Hoare triple {51040#true} assume !(1 == ~E_M~0); {51040#true} is VALID [2020-07-28 19:16:16,885 INFO L280 TraceCheckUtils]: 24: Hoare triple {51040#true} assume !(1 == ~E_1~0); {51040#true} is VALID [2020-07-28 19:16:16,885 INFO L280 TraceCheckUtils]: 25: Hoare triple {51040#true} assume !false; {51040#true} is VALID [2020-07-28 19:16:16,885 INFO L280 TraceCheckUtils]: 26: Hoare triple {51040#true} start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret2, eval_#t~nondet3, eval_~tmp_ndt_1~0, eval_#t~nondet4, eval_~tmp_ndt_2~0, eval_~tmp~0;havoc eval_~tmp~0; {51040#true} is VALID [2020-07-28 19:16:16,885 INFO L280 TraceCheckUtils]: 27: Hoare triple {51040#true} assume !false; {51040#true} is VALID [2020-07-28 19:16:16,886 INFO L280 TraceCheckUtils]: 28: Hoare triple {51040#true} havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; {51040#true} is VALID [2020-07-28 19:16:16,886 INFO L280 TraceCheckUtils]: 29: Hoare triple {51040#true} assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~2 := 1; {51040#true} is VALID [2020-07-28 19:16:16,886 INFO L280 TraceCheckUtils]: 30: Hoare triple {51040#true} exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; {51040#true} is VALID [2020-07-28 19:16:16,887 INFO L280 TraceCheckUtils]: 31: Hoare triple {51040#true} eval_#t~ret2 := exists_runnable_thread_#res;assume -2147483648 <= eval_#t~ret2 && eval_#t~ret2 <= 2147483647;eval_~tmp~0 := eval_#t~ret2;havoc eval_#t~ret2; {51040#true} is VALID [2020-07-28 19:16:16,887 INFO L280 TraceCheckUtils]: 32: Hoare triple {51040#true} assume 0 != eval_~tmp~0; {51040#true} is VALID [2020-07-28 19:16:16,887 INFO L280 TraceCheckUtils]: 33: Hoare triple {51040#true} assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0;assume -2147483648 <= eval_#t~nondet3 && eval_#t~nondet3 <= 2147483647;eval_~tmp_ndt_1~0 := eval_#t~nondet3;havoc eval_#t~nondet3; {51040#true} is VALID [2020-07-28 19:16:16,888 INFO L280 TraceCheckUtils]: 34: Hoare triple {51040#true} assume !(0 != eval_~tmp_ndt_1~0); {51040#true} is VALID [2020-07-28 19:16:16,888 INFO L280 TraceCheckUtils]: 35: Hoare triple {51040#true} assume 0 == ~t1_st~0;havoc eval_~tmp_ndt_2~0;assume -2147483648 <= eval_#t~nondet4 && eval_#t~nondet4 <= 2147483647;eval_~tmp_ndt_2~0 := eval_#t~nondet4;havoc eval_#t~nondet4; {51040#true} is VALID [2020-07-28 19:16:16,888 INFO L280 TraceCheckUtils]: 36: Hoare triple {51040#true} assume 0 != eval_~tmp_ndt_2~0;~t1_st~0 := 1; {51040#true} is VALID [2020-07-28 19:16:16,889 INFO L280 TraceCheckUtils]: 37: Hoare triple {51040#true} assume 0 == ~t1_pc~0; {51040#true} is VALID [2020-07-28 19:16:16,889 INFO L280 TraceCheckUtils]: 38: Hoare triple {51040#true} assume !false; {51040#true} is VALID [2020-07-28 19:16:16,889 INFO L280 TraceCheckUtils]: 39: Hoare triple {51040#true} ~t1_pc~0 := 1;~t1_st~0 := 2; {51040#true} is VALID [2020-07-28 19:16:16,889 INFO L280 TraceCheckUtils]: 40: Hoare triple {51040#true} assume !false; {51040#true} is VALID [2020-07-28 19:16:16,890 INFO L280 TraceCheckUtils]: 41: Hoare triple {51040#true} havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; {51040#true} is VALID [2020-07-28 19:16:16,890 INFO L280 TraceCheckUtils]: 42: Hoare triple {51040#true} assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~2 := 1; {51040#true} is VALID [2020-07-28 19:16:16,890 INFO L280 TraceCheckUtils]: 43: Hoare triple {51040#true} exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; {51040#true} is VALID [2020-07-28 19:16:16,891 INFO L280 TraceCheckUtils]: 44: Hoare triple {51040#true} eval_#t~ret2 := exists_runnable_thread_#res;assume -2147483648 <= eval_#t~ret2 && eval_#t~ret2 <= 2147483647;eval_~tmp~0 := eval_#t~ret2;havoc eval_#t~ret2; {51040#true} is VALID [2020-07-28 19:16:16,891 INFO L280 TraceCheckUtils]: 45: Hoare triple {51040#true} assume 0 != eval_~tmp~0; {51040#true} is VALID [2020-07-28 19:16:16,891 INFO L280 TraceCheckUtils]: 46: Hoare triple {51040#true} assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0;assume -2147483648 <= eval_#t~nondet3 && eval_#t~nondet3 <= 2147483647;eval_~tmp_ndt_1~0 := eval_#t~nondet3;havoc eval_#t~nondet3; {51040#true} is VALID [2020-07-28 19:16:16,891 INFO L280 TraceCheckUtils]: 47: Hoare triple {51040#true} assume 0 != eval_~tmp_ndt_1~0;~m_st~0 := 1;havoc master_#t~nondet0, master_#t~nondet1, master_~tmp_var~0;assume -2147483648 <= master_#t~nondet0 && master_#t~nondet0 <= 2147483647;master_~tmp_var~0 := master_#t~nondet0;havoc master_#t~nondet0; {51040#true} is VALID [2020-07-28 19:16:16,892 INFO L280 TraceCheckUtils]: 48: Hoare triple {51040#true} assume 0 == ~m_pc~0; {51040#true} is VALID [2020-07-28 19:16:16,892 INFO L280 TraceCheckUtils]: 49: Hoare triple {51040#true} assume !false; {51040#true} is VALID [2020-07-28 19:16:16,893 INFO L280 TraceCheckUtils]: 50: Hoare triple {51040#true} assume -2147483648 <= master_#t~nondet1 && master_#t~nondet1 <= 2147483647;~token~0 := master_#t~nondet1;havoc master_#t~nondet1;~local~0 := ~token~0;~E_1~0 := 1;havoc activate_threads_#t~ret5, activate_threads_#t~ret6, activate_threads_~tmp~1, activate_threads_~tmp___0~0;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~0;havoc is_master_triggered_#res;havoc is_master_triggered_~__retres1~0;havoc is_master_triggered_~__retres1~0; {51042#(= ~local~0 ~token~0)} is VALID [2020-07-28 19:16:16,894 INFO L280 TraceCheckUtils]: 51: Hoare triple {51042#(= ~local~0 ~token~0)} assume !(1 == ~m_pc~0); {51042#(= ~local~0 ~token~0)} is VALID [2020-07-28 19:16:16,895 INFO L280 TraceCheckUtils]: 52: Hoare triple {51042#(= ~local~0 ~token~0)} is_master_triggered_~__retres1~0 := 0; {51042#(= ~local~0 ~token~0)} is VALID [2020-07-28 19:16:16,895 INFO L280 TraceCheckUtils]: 53: Hoare triple {51042#(= ~local~0 ~token~0)} is_master_triggered_#res := is_master_triggered_~__retres1~0; {51042#(= ~local~0 ~token~0)} is VALID [2020-07-28 19:16:16,896 INFO L280 TraceCheckUtils]: 54: Hoare triple {51042#(= ~local~0 ~token~0)} activate_threads_#t~ret5 := is_master_triggered_#res;assume -2147483648 <= activate_threads_#t~ret5 && activate_threads_#t~ret5 <= 2147483647;activate_threads_~tmp~1 := activate_threads_#t~ret5;havoc activate_threads_#t~ret5; {51042#(= ~local~0 ~token~0)} is VALID [2020-07-28 19:16:16,897 INFO L280 TraceCheckUtils]: 55: Hoare triple {51042#(= ~local~0 ~token~0)} assume !(0 != activate_threads_~tmp~1); {51042#(= ~local~0 ~token~0)} is VALID [2020-07-28 19:16:16,897 INFO L280 TraceCheckUtils]: 56: Hoare triple {51042#(= ~local~0 ~token~0)} havoc is_transmit1_triggered_#res;havoc is_transmit1_triggered_~__retres1~1;havoc is_transmit1_triggered_~__retres1~1; {51042#(= ~local~0 ~token~0)} is VALID [2020-07-28 19:16:16,898 INFO L280 TraceCheckUtils]: 57: Hoare triple {51042#(= ~local~0 ~token~0)} assume 1 == ~t1_pc~0; {51042#(= ~local~0 ~token~0)} is VALID [2020-07-28 19:16:16,899 INFO L280 TraceCheckUtils]: 58: Hoare triple {51042#(= ~local~0 ~token~0)} assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~1 := 1; {51042#(= ~local~0 ~token~0)} is VALID [2020-07-28 19:16:16,900 INFO L280 TraceCheckUtils]: 59: Hoare triple {51042#(= ~local~0 ~token~0)} is_transmit1_triggered_#res := is_transmit1_triggered_~__retres1~1; {51042#(= ~local~0 ~token~0)} is VALID [2020-07-28 19:16:16,900 INFO L280 TraceCheckUtils]: 60: Hoare triple {51042#(= ~local~0 ~token~0)} activate_threads_#t~ret6 := is_transmit1_triggered_#res;assume -2147483648 <= activate_threads_#t~ret6 && activate_threads_#t~ret6 <= 2147483647;activate_threads_~tmp___0~0 := activate_threads_#t~ret6;havoc activate_threads_#t~ret6; {51042#(= ~local~0 ~token~0)} is VALID [2020-07-28 19:16:16,901 INFO L280 TraceCheckUtils]: 61: Hoare triple {51042#(= ~local~0 ~token~0)} assume 0 != activate_threads_~tmp___0~0;~t1_st~0 := 0; {51042#(= ~local~0 ~token~0)} is VALID [2020-07-28 19:16:16,902 INFO L280 TraceCheckUtils]: 62: Hoare triple {51042#(= ~local~0 ~token~0)} ~E_1~0 := 2;~m_pc~0 := 1;~m_st~0 := 2; {51042#(= ~local~0 ~token~0)} is VALID [2020-07-28 19:16:16,903 INFO L280 TraceCheckUtils]: 63: Hoare triple {51042#(= ~local~0 ~token~0)} assume 0 == ~t1_st~0;havoc eval_~tmp_ndt_2~0;assume -2147483648 <= eval_#t~nondet4 && eval_#t~nondet4 <= 2147483647;eval_~tmp_ndt_2~0 := eval_#t~nondet4;havoc eval_#t~nondet4; {51042#(= ~local~0 ~token~0)} is VALID [2020-07-28 19:16:16,903 INFO L280 TraceCheckUtils]: 64: Hoare triple {51042#(= ~local~0 ~token~0)} assume 0 != eval_~tmp_ndt_2~0;~t1_st~0 := 1; {51042#(= ~local~0 ~token~0)} is VALID [2020-07-28 19:16:16,904 INFO L280 TraceCheckUtils]: 65: Hoare triple {51042#(= ~local~0 ~token~0)} assume !(0 == ~t1_pc~0); {51042#(= ~local~0 ~token~0)} is VALID [2020-07-28 19:16:16,905 INFO L280 TraceCheckUtils]: 66: Hoare triple {51042#(= ~local~0 ~token~0)} assume 1 == ~t1_pc~0; {51042#(= ~local~0 ~token~0)} is VALID [2020-07-28 19:16:16,906 INFO L280 TraceCheckUtils]: 67: Hoare triple {51042#(= ~local~0 ~token~0)} ~token~0 := 1 + ~token~0;~E_M~0 := 1;havoc activate_threads_#t~ret5, activate_threads_#t~ret6, activate_threads_~tmp~1, activate_threads_~tmp___0~0;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~0;havoc is_master_triggered_#res;havoc is_master_triggered_~__retres1~0;havoc is_master_triggered_~__retres1~0; {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} is VALID [2020-07-28 19:16:16,906 INFO L280 TraceCheckUtils]: 68: Hoare triple {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} assume 1 == ~m_pc~0; {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} is VALID [2020-07-28 19:16:16,907 INFO L280 TraceCheckUtils]: 69: Hoare triple {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} assume 1 == ~E_M~0;is_master_triggered_~__retres1~0 := 1; {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} is VALID [2020-07-28 19:16:16,908 INFO L280 TraceCheckUtils]: 70: Hoare triple {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} is_master_triggered_#res := is_master_triggered_~__retres1~0; {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} is VALID [2020-07-28 19:16:16,909 INFO L280 TraceCheckUtils]: 71: Hoare triple {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} activate_threads_#t~ret5 := is_master_triggered_#res;assume -2147483648 <= activate_threads_#t~ret5 && activate_threads_#t~ret5 <= 2147483647;activate_threads_~tmp~1 := activate_threads_#t~ret5;havoc activate_threads_#t~ret5; {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} is VALID [2020-07-28 19:16:16,910 INFO L280 TraceCheckUtils]: 72: Hoare triple {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} assume 0 != activate_threads_~tmp~1;~m_st~0 := 0; {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} is VALID [2020-07-28 19:16:16,911 INFO L280 TraceCheckUtils]: 73: Hoare triple {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} havoc is_transmit1_triggered_#res;havoc is_transmit1_triggered_~__retres1~1;havoc is_transmit1_triggered_~__retres1~1; {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} is VALID [2020-07-28 19:16:16,911 INFO L280 TraceCheckUtils]: 74: Hoare triple {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} assume 1 == ~t1_pc~0; {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} is VALID [2020-07-28 19:16:16,912 INFO L280 TraceCheckUtils]: 75: Hoare triple {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} assume !(1 == ~E_1~0); {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} is VALID [2020-07-28 19:16:16,913 INFO L280 TraceCheckUtils]: 76: Hoare triple {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} is_transmit1_triggered_~__retres1~1 := 0; {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} is VALID [2020-07-28 19:16:16,914 INFO L280 TraceCheckUtils]: 77: Hoare triple {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} is_transmit1_triggered_#res := is_transmit1_triggered_~__retres1~1; {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} is VALID [2020-07-28 19:16:16,915 INFO L280 TraceCheckUtils]: 78: Hoare triple {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} activate_threads_#t~ret6 := is_transmit1_triggered_#res;assume -2147483648 <= activate_threads_#t~ret6 && activate_threads_#t~ret6 <= 2147483647;activate_threads_~tmp___0~0 := activate_threads_#t~ret6;havoc activate_threads_#t~ret6; {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} is VALID [2020-07-28 19:16:16,916 INFO L280 TraceCheckUtils]: 79: Hoare triple {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} assume !(0 != activate_threads_~tmp___0~0); {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} is VALID [2020-07-28 19:16:16,917 INFO L280 TraceCheckUtils]: 80: Hoare triple {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} ~E_M~0 := 2; {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} is VALID [2020-07-28 19:16:16,918 INFO L280 TraceCheckUtils]: 81: Hoare triple {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} assume !false; {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} is VALID [2020-07-28 19:16:16,918 INFO L280 TraceCheckUtils]: 82: Hoare triple {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} ~t1_pc~0 := 1;~t1_st~0 := 2; {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} is VALID [2020-07-28 19:16:16,919 INFO L280 TraceCheckUtils]: 83: Hoare triple {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} assume !false; {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} is VALID [2020-07-28 19:16:16,920 INFO L280 TraceCheckUtils]: 84: Hoare triple {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} is VALID [2020-07-28 19:16:16,921 INFO L280 TraceCheckUtils]: 85: Hoare triple {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~2 := 1; {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} is VALID [2020-07-28 19:16:16,922 INFO L280 TraceCheckUtils]: 86: Hoare triple {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} is VALID [2020-07-28 19:16:16,923 INFO L280 TraceCheckUtils]: 87: Hoare triple {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} eval_#t~ret2 := exists_runnable_thread_#res;assume -2147483648 <= eval_#t~ret2 && eval_#t~ret2 <= 2147483647;eval_~tmp~0 := eval_#t~ret2;havoc eval_#t~ret2; {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} is VALID [2020-07-28 19:16:16,924 INFO L280 TraceCheckUtils]: 88: Hoare triple {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} assume 0 != eval_~tmp~0; {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} is VALID [2020-07-28 19:16:16,925 INFO L280 TraceCheckUtils]: 89: Hoare triple {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0;assume -2147483648 <= eval_#t~nondet3 && eval_#t~nondet3 <= 2147483647;eval_~tmp_ndt_1~0 := eval_#t~nondet3;havoc eval_#t~nondet3; {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} is VALID [2020-07-28 19:16:16,926 INFO L280 TraceCheckUtils]: 90: Hoare triple {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} assume 0 != eval_~tmp_ndt_1~0;~m_st~0 := 1;havoc master_#t~nondet0, master_#t~nondet1, master_~tmp_var~0;assume -2147483648 <= master_#t~nondet0 && master_#t~nondet0 <= 2147483647;master_~tmp_var~0 := master_#t~nondet0;havoc master_#t~nondet0; {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} is VALID [2020-07-28 19:16:16,927 INFO L280 TraceCheckUtils]: 91: Hoare triple {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} assume !(0 == ~m_pc~0); {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} is VALID [2020-07-28 19:16:16,927 INFO L280 TraceCheckUtils]: 92: Hoare triple {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} assume 1 == ~m_pc~0; {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} is VALID [2020-07-28 19:16:16,929 INFO L280 TraceCheckUtils]: 93: Hoare triple {51043#(and (<= ~token~0 (+ ~local~0 1)) (<= (+ ~local~0 1) ~token~0))} assume ~token~0 != 1 + ~local~0; {51041#false} is VALID [2020-07-28 19:16:16,929 INFO L280 TraceCheckUtils]: 94: Hoare triple {51041#false} assume !false; {51041#false} is VALID [2020-07-28 19:16:16,983 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-28 19:16:16,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460628146] [2020-07-28 19:16:16,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:16:16,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:16:16,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191970718] [2020-07-28 19:16:16,985 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 95 [2020-07-28 19:16:16,986 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:16:16,986 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 19:16:17,118 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 88 edges. 88 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:16:17,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 19:16:17,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:16:17,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 19:16:17,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 19:16:17,120 INFO L87 Difference]: Start difference. First operand 594 states and 662 transitions. Second operand 4 states. [2020-07-28 19:16:19,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:16:19,476 INFO L93 Difference]: Finished difference Result 598 states and 666 transitions. [2020-07-28 19:16:19,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 19:16:19,476 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 95 [2020-07-28 19:16:19,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:16:19,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:16:19,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 246 transitions. [2020-07-28 19:16:19,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:16:19,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 246 transitions. [2020-07-28 19:16:19,478 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 246 transitions. [2020-07-28 19:16:19,745 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 246 edges. 246 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:16:19,763 INFO L225 Difference]: With dead ends: 598 [2020-07-28 19:16:19,763 INFO L226 Difference]: Without dead ends: 596 [2020-07-28 19:16:19,764 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 19:16:19,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2020-07-28 19:16:21,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 592. [2020-07-28 19:16:21,319 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:16:21,319 INFO L82 GeneralOperation]: Start isEquivalent. First operand 596 states. Second operand 592 states. [2020-07-28 19:16:21,319 INFO L74 IsIncluded]: Start isIncluded. First operand 596 states. Second operand 592 states. [2020-07-28 19:16:21,320 INFO L87 Difference]: Start difference. First operand 596 states. Second operand 592 states. [2020-07-28 19:16:21,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:16:21,336 INFO L93 Difference]: Finished difference Result 596 states and 663 transitions. [2020-07-28 19:16:21,336 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 663 transitions. [2020-07-28 19:16:21,337 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:16:21,337 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:16:21,337 INFO L74 IsIncluded]: Start isIncluded. First operand 592 states. Second operand 596 states. [2020-07-28 19:16:21,337 INFO L87 Difference]: Start difference. First operand 592 states. Second operand 596 states. [2020-07-28 19:16:21,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:16:21,351 INFO L93 Difference]: Finished difference Result 596 states and 663 transitions. [2020-07-28 19:16:21,351 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 663 transitions. [2020-07-28 19:16:21,352 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:16:21,352 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:16:21,352 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:16:21,352 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:16:21,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-07-28 19:16:21,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 659 transitions. [2020-07-28 19:16:21,367 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 659 transitions. Word has length 95 [2020-07-28 19:16:21,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:16:21,367 INFO L479 AbstractCegarLoop]: Abstraction has 592 states and 659 transitions. [2020-07-28 19:16:21,367 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 19:16:21,367 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 659 transitions. [2020-07-28 19:16:21,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-07-28 19:16:21,368 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:16:21,368 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:16:21,369 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-07-28 19:16:21,369 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:16:21,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:16:21,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1152111348, now seen corresponding path program 1 times [2020-07-28 19:16:21,369 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:16:21,369 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720037441] [2020-07-28 19:16:21,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:16:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:16:21,423 INFO L280 TraceCheckUtils]: 0: Hoare triple {53896#true} ~m_pc~0 := 0;~t1_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~token~0 := 0;~local~0 := 0; {53896#true} is VALID [2020-07-28 19:16:21,424 INFO L280 TraceCheckUtils]: 1: Hoare triple {53896#true} havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~m_i~0 := 1;~t1_i~0 := 1; {53896#true} is VALID [2020-07-28 19:16:21,424 INFO L280 TraceCheckUtils]: 2: Hoare triple {53896#true} havoc start_simulation_#t~ret8, start_simulation_#t~ret9, start_simulation_~kernel_st~0, start_simulation_~tmp~3, start_simulation_~tmp___0~1;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;havoc start_simulation_~tmp___0~1;start_simulation_~kernel_st~0 := 0; {53896#true} is VALID [2020-07-28 19:16:21,424 INFO L280 TraceCheckUtils]: 3: Hoare triple {53896#true} assume 1 == ~m_i~0;~m_st~0 := 0; {53896#true} is VALID [2020-07-28 19:16:21,424 INFO L280 TraceCheckUtils]: 4: Hoare triple {53896#true} assume 1 == ~t1_i~0;~t1_st~0 := 0; {53896#true} is VALID [2020-07-28 19:16:21,424 INFO L280 TraceCheckUtils]: 5: Hoare triple {53896#true} assume !(0 == ~M_E~0); {53896#true} is VALID [2020-07-28 19:16:21,425 INFO L280 TraceCheckUtils]: 6: Hoare triple {53896#true} assume !(0 == ~T1_E~0); {53896#true} is VALID [2020-07-28 19:16:21,425 INFO L280 TraceCheckUtils]: 7: Hoare triple {53896#true} assume !(0 == ~E_M~0); {53896#true} is VALID [2020-07-28 19:16:21,425 INFO L280 TraceCheckUtils]: 8: Hoare triple {53896#true} assume !(0 == ~E_1~0); {53896#true} is VALID [2020-07-28 19:16:21,425 INFO L280 TraceCheckUtils]: 9: Hoare triple {53896#true} havoc activate_threads_#t~ret5, activate_threads_#t~ret6, activate_threads_~tmp~1, activate_threads_~tmp___0~0;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~0;havoc is_master_triggered_#res;havoc is_master_triggered_~__retres1~0;havoc is_master_triggered_~__retres1~0; {53896#true} is VALID [2020-07-28 19:16:21,425 INFO L280 TraceCheckUtils]: 10: Hoare triple {53896#true} assume !(1 == ~m_pc~0); {53896#true} is VALID [2020-07-28 19:16:21,425 INFO L280 TraceCheckUtils]: 11: Hoare triple {53896#true} is_master_triggered_~__retres1~0 := 0; {53896#true} is VALID [2020-07-28 19:16:21,426 INFO L280 TraceCheckUtils]: 12: Hoare triple {53896#true} is_master_triggered_#res := is_master_triggered_~__retres1~0; {53896#true} is VALID [2020-07-28 19:16:21,426 INFO L280 TraceCheckUtils]: 13: Hoare triple {53896#true} activate_threads_#t~ret5 := is_master_triggered_#res;assume -2147483648 <= activate_threads_#t~ret5 && activate_threads_#t~ret5 <= 2147483647;activate_threads_~tmp~1 := activate_threads_#t~ret5;havoc activate_threads_#t~ret5; {53896#true} is VALID [2020-07-28 19:16:21,426 INFO L280 TraceCheckUtils]: 14: Hoare triple {53896#true} assume !(0 != activate_threads_~tmp~1); {53896#true} is VALID [2020-07-28 19:16:21,426 INFO L280 TraceCheckUtils]: 15: Hoare triple {53896#true} havoc is_transmit1_triggered_#res;havoc is_transmit1_triggered_~__retres1~1;havoc is_transmit1_triggered_~__retres1~1; {53896#true} is VALID [2020-07-28 19:16:21,426 INFO L280 TraceCheckUtils]: 16: Hoare triple {53896#true} assume !(1 == ~t1_pc~0); {53896#true} is VALID [2020-07-28 19:16:21,426 INFO L280 TraceCheckUtils]: 17: Hoare triple {53896#true} is_transmit1_triggered_~__retres1~1 := 0; {53896#true} is VALID [2020-07-28 19:16:21,427 INFO L280 TraceCheckUtils]: 18: Hoare triple {53896#true} is_transmit1_triggered_#res := is_transmit1_triggered_~__retres1~1; {53896#true} is VALID [2020-07-28 19:16:21,427 INFO L280 TraceCheckUtils]: 19: Hoare triple {53896#true} activate_threads_#t~ret6 := is_transmit1_triggered_#res;assume -2147483648 <= activate_threads_#t~ret6 && activate_threads_#t~ret6 <= 2147483647;activate_threads_~tmp___0~0 := activate_threads_#t~ret6;havoc activate_threads_#t~ret6; {53896#true} is VALID [2020-07-28 19:16:21,427 INFO L280 TraceCheckUtils]: 20: Hoare triple {53896#true} assume !(0 != activate_threads_~tmp___0~0); {53896#true} is VALID [2020-07-28 19:16:21,427 INFO L280 TraceCheckUtils]: 21: Hoare triple {53896#true} assume !(1 == ~M_E~0); {53896#true} is VALID [2020-07-28 19:16:21,427 INFO L280 TraceCheckUtils]: 22: Hoare triple {53896#true} assume !(1 == ~T1_E~0); {53896#true} is VALID [2020-07-28 19:16:21,428 INFO L280 TraceCheckUtils]: 23: Hoare triple {53896#true} assume !(1 == ~E_M~0); {53896#true} is VALID [2020-07-28 19:16:21,428 INFO L280 TraceCheckUtils]: 24: Hoare triple {53896#true} assume !(1 == ~E_1~0); {53896#true} is VALID [2020-07-28 19:16:21,428 INFO L280 TraceCheckUtils]: 25: Hoare triple {53896#true} assume !false; {53896#true} is VALID [2020-07-28 19:16:21,428 INFO L280 TraceCheckUtils]: 26: Hoare triple {53896#true} start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret2, eval_#t~nondet3, eval_~tmp_ndt_1~0, eval_#t~nondet4, eval_~tmp_ndt_2~0, eval_~tmp~0;havoc eval_~tmp~0; {53896#true} is VALID [2020-07-28 19:16:21,428 INFO L280 TraceCheckUtils]: 27: Hoare triple {53896#true} assume !false; {53896#true} is VALID [2020-07-28 19:16:21,428 INFO L280 TraceCheckUtils]: 28: Hoare triple {53896#true} havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; {53896#true} is VALID [2020-07-28 19:16:21,429 INFO L280 TraceCheckUtils]: 29: Hoare triple {53896#true} assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~2 := 1; {53896#true} is VALID [2020-07-28 19:16:21,429 INFO L280 TraceCheckUtils]: 30: Hoare triple {53896#true} exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; {53896#true} is VALID [2020-07-28 19:16:21,429 INFO L280 TraceCheckUtils]: 31: Hoare triple {53896#true} eval_#t~ret2 := exists_runnable_thread_#res;assume -2147483648 <= eval_#t~ret2 && eval_#t~ret2 <= 2147483647;eval_~tmp~0 := eval_#t~ret2;havoc eval_#t~ret2; {53896#true} is VALID [2020-07-28 19:16:21,429 INFO L280 TraceCheckUtils]: 32: Hoare triple {53896#true} assume 0 != eval_~tmp~0; {53896#true} is VALID [2020-07-28 19:16:21,429 INFO L280 TraceCheckUtils]: 33: Hoare triple {53896#true} assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0;assume -2147483648 <= eval_#t~nondet3 && eval_#t~nondet3 <= 2147483647;eval_~tmp_ndt_1~0 := eval_#t~nondet3;havoc eval_#t~nondet3; {53896#true} is VALID [2020-07-28 19:16:21,429 INFO L280 TraceCheckUtils]: 34: Hoare triple {53896#true} assume !(0 != eval_~tmp_ndt_1~0); {53896#true} is VALID [2020-07-28 19:16:21,430 INFO L280 TraceCheckUtils]: 35: Hoare triple {53896#true} assume 0 == ~t1_st~0;havoc eval_~tmp_ndt_2~0;assume -2147483648 <= eval_#t~nondet4 && eval_#t~nondet4 <= 2147483647;eval_~tmp_ndt_2~0 := eval_#t~nondet4;havoc eval_#t~nondet4; {53896#true} is VALID [2020-07-28 19:16:21,430 INFO L280 TraceCheckUtils]: 36: Hoare triple {53896#true} assume 0 != eval_~tmp_ndt_2~0;~t1_st~0 := 1; {53896#true} is VALID [2020-07-28 19:16:21,430 INFO L280 TraceCheckUtils]: 37: Hoare triple {53896#true} assume 0 == ~t1_pc~0; {53896#true} is VALID [2020-07-28 19:16:21,430 INFO L280 TraceCheckUtils]: 38: Hoare triple {53896#true} assume !false; {53896#true} is VALID [2020-07-28 19:16:21,430 INFO L280 TraceCheckUtils]: 39: Hoare triple {53896#true} ~t1_pc~0 := 1;~t1_st~0 := 2; {53896#true} is VALID [2020-07-28 19:16:21,430 INFO L280 TraceCheckUtils]: 40: Hoare triple {53896#true} assume !false; {53896#true} is VALID [2020-07-28 19:16:21,431 INFO L280 TraceCheckUtils]: 41: Hoare triple {53896#true} havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; {53896#true} is VALID [2020-07-28 19:16:21,431 INFO L280 TraceCheckUtils]: 42: Hoare triple {53896#true} assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~2 := 1; {53896#true} is VALID [2020-07-28 19:16:21,431 INFO L280 TraceCheckUtils]: 43: Hoare triple {53896#true} exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; {53896#true} is VALID [2020-07-28 19:16:21,431 INFO L280 TraceCheckUtils]: 44: Hoare triple {53896#true} eval_#t~ret2 := exists_runnable_thread_#res;assume -2147483648 <= eval_#t~ret2 && eval_#t~ret2 <= 2147483647;eval_~tmp~0 := eval_#t~ret2;havoc eval_#t~ret2; {53896#true} is VALID [2020-07-28 19:16:21,431 INFO L280 TraceCheckUtils]: 45: Hoare triple {53896#true} assume 0 != eval_~tmp~0; {53896#true} is VALID [2020-07-28 19:16:21,432 INFO L280 TraceCheckUtils]: 46: Hoare triple {53896#true} assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0;assume -2147483648 <= eval_#t~nondet3 && eval_#t~nondet3 <= 2147483647;eval_~tmp_ndt_1~0 := eval_#t~nondet3;havoc eval_#t~nondet3; {53896#true} is VALID [2020-07-28 19:16:21,432 INFO L280 TraceCheckUtils]: 47: Hoare triple {53896#true} assume 0 != eval_~tmp_ndt_1~0;~m_st~0 := 1;havoc master_#t~nondet0, master_#t~nondet1, master_~tmp_var~0;assume -2147483648 <= master_#t~nondet0 && master_#t~nondet0 <= 2147483647;master_~tmp_var~0 := master_#t~nondet0;havoc master_#t~nondet0; {53896#true} is VALID [2020-07-28 19:16:21,432 INFO L280 TraceCheckUtils]: 48: Hoare triple {53896#true} assume 0 == ~m_pc~0; {53896#true} is VALID [2020-07-28 19:16:21,432 INFO L280 TraceCheckUtils]: 49: Hoare triple {53896#true} assume !false; {53896#true} is VALID [2020-07-28 19:16:21,432 INFO L280 TraceCheckUtils]: 50: Hoare triple {53896#true} assume -2147483648 <= master_#t~nondet1 && master_#t~nondet1 <= 2147483647;~token~0 := master_#t~nondet1;havoc master_#t~nondet1;~local~0 := ~token~0;~E_1~0 := 1;havoc activate_threads_#t~ret5, activate_threads_#t~ret6, activate_threads_~tmp~1, activate_threads_~tmp___0~0;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~0;havoc is_master_triggered_#res;havoc is_master_triggered_~__retres1~0;havoc is_master_triggered_~__retres1~0; {53896#true} is VALID [2020-07-28 19:16:21,432 INFO L280 TraceCheckUtils]: 51: Hoare triple {53896#true} assume !(1 == ~m_pc~0); {53896#true} is VALID [2020-07-28 19:16:21,433 INFO L280 TraceCheckUtils]: 52: Hoare triple {53896#true} is_master_triggered_~__retres1~0 := 0; {53896#true} is VALID [2020-07-28 19:16:21,433 INFO L280 TraceCheckUtils]: 53: Hoare triple {53896#true} is_master_triggered_#res := is_master_triggered_~__retres1~0; {53896#true} is VALID [2020-07-28 19:16:21,433 INFO L280 TraceCheckUtils]: 54: Hoare triple {53896#true} activate_threads_#t~ret5 := is_master_triggered_#res;assume -2147483648 <= activate_threads_#t~ret5 && activate_threads_#t~ret5 <= 2147483647;activate_threads_~tmp~1 := activate_threads_#t~ret5;havoc activate_threads_#t~ret5; {53896#true} is VALID [2020-07-28 19:16:21,433 INFO L280 TraceCheckUtils]: 55: Hoare triple {53896#true} assume !(0 != activate_threads_~tmp~1); {53896#true} is VALID [2020-07-28 19:16:21,433 INFO L280 TraceCheckUtils]: 56: Hoare triple {53896#true} havoc is_transmit1_triggered_#res;havoc is_transmit1_triggered_~__retres1~1;havoc is_transmit1_triggered_~__retres1~1; {53896#true} is VALID [2020-07-28 19:16:21,433 INFO L280 TraceCheckUtils]: 57: Hoare triple {53896#true} assume 1 == ~t1_pc~0; {53896#true} is VALID [2020-07-28 19:16:21,434 INFO L280 TraceCheckUtils]: 58: Hoare triple {53896#true} assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~1 := 1; {53896#true} is VALID [2020-07-28 19:16:21,434 INFO L280 TraceCheckUtils]: 59: Hoare triple {53896#true} is_transmit1_triggered_#res := is_transmit1_triggered_~__retres1~1; {53896#true} is VALID [2020-07-28 19:16:21,434 INFO L280 TraceCheckUtils]: 60: Hoare triple {53896#true} activate_threads_#t~ret6 := is_transmit1_triggered_#res;assume -2147483648 <= activate_threads_#t~ret6 && activate_threads_#t~ret6 <= 2147483647;activate_threads_~tmp___0~0 := activate_threads_#t~ret6;havoc activate_threads_#t~ret6; {53896#true} is VALID [2020-07-28 19:16:21,434 INFO L280 TraceCheckUtils]: 61: Hoare triple {53896#true} assume 0 != activate_threads_~tmp___0~0;~t1_st~0 := 0; {53896#true} is VALID [2020-07-28 19:16:21,434 INFO L280 TraceCheckUtils]: 62: Hoare triple {53896#true} ~E_1~0 := 2;~m_pc~0 := 1;~m_st~0 := 2; {53896#true} is VALID [2020-07-28 19:16:21,434 INFO L280 TraceCheckUtils]: 63: Hoare triple {53896#true} assume 0 == ~t1_st~0;havoc eval_~tmp_ndt_2~0;assume -2147483648 <= eval_#t~nondet4 && eval_#t~nondet4 <= 2147483647;eval_~tmp_ndt_2~0 := eval_#t~nondet4;havoc eval_#t~nondet4; {53896#true} is VALID [2020-07-28 19:16:21,435 INFO L280 TraceCheckUtils]: 64: Hoare triple {53896#true} assume 0 != eval_~tmp_ndt_2~0;~t1_st~0 := 1; {53896#true} is VALID [2020-07-28 19:16:21,435 INFO L280 TraceCheckUtils]: 65: Hoare triple {53896#true} assume !(0 == ~t1_pc~0); {53896#true} is VALID [2020-07-28 19:16:21,435 INFO L280 TraceCheckUtils]: 66: Hoare triple {53896#true} assume 1 == ~t1_pc~0; {53896#true} is VALID [2020-07-28 19:16:21,435 INFO L280 TraceCheckUtils]: 67: Hoare triple {53896#true} ~token~0 := 1 + ~token~0;~E_M~0 := 1;havoc activate_threads_#t~ret5, activate_threads_#t~ret6, activate_threads_~tmp~1, activate_threads_~tmp___0~0;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~0;havoc is_master_triggered_#res;havoc is_master_triggered_~__retres1~0;havoc is_master_triggered_~__retres1~0; {53896#true} is VALID [2020-07-28 19:16:21,435 INFO L280 TraceCheckUtils]: 68: Hoare triple {53896#true} assume 1 == ~m_pc~0; {53896#true} is VALID [2020-07-28 19:16:21,436 INFO L280 TraceCheckUtils]: 69: Hoare triple {53896#true} assume 1 == ~E_M~0;is_master_triggered_~__retres1~0 := 1; {53896#true} is VALID [2020-07-28 19:16:21,436 INFO L280 TraceCheckUtils]: 70: Hoare triple {53896#true} is_master_triggered_#res := is_master_triggered_~__retres1~0; {53896#true} is VALID [2020-07-28 19:16:21,436 INFO L280 TraceCheckUtils]: 71: Hoare triple {53896#true} activate_threads_#t~ret5 := is_master_triggered_#res;assume -2147483648 <= activate_threads_#t~ret5 && activate_threads_#t~ret5 <= 2147483647;activate_threads_~tmp~1 := activate_threads_#t~ret5;havoc activate_threads_#t~ret5; {53896#true} is VALID [2020-07-28 19:16:21,436 INFO L280 TraceCheckUtils]: 72: Hoare triple {53896#true} assume 0 != activate_threads_~tmp~1;~m_st~0 := 0; {53896#true} is VALID [2020-07-28 19:16:21,436 INFO L280 TraceCheckUtils]: 73: Hoare triple {53896#true} havoc is_transmit1_triggered_#res;havoc is_transmit1_triggered_~__retres1~1;havoc is_transmit1_triggered_~__retres1~1; {53896#true} is VALID [2020-07-28 19:16:21,436 INFO L280 TraceCheckUtils]: 74: Hoare triple {53896#true} assume 1 == ~t1_pc~0; {53896#true} is VALID [2020-07-28 19:16:21,437 INFO L280 TraceCheckUtils]: 75: Hoare triple {53896#true} assume !(1 == ~E_1~0); {53896#true} is VALID [2020-07-28 19:16:21,437 INFO L280 TraceCheckUtils]: 76: Hoare triple {53896#true} is_transmit1_triggered_~__retres1~1 := 0; {53896#true} is VALID [2020-07-28 19:16:21,437 INFO L280 TraceCheckUtils]: 77: Hoare triple {53896#true} is_transmit1_triggered_#res := is_transmit1_triggered_~__retres1~1; {53896#true} is VALID [2020-07-28 19:16:21,437 INFO L280 TraceCheckUtils]: 78: Hoare triple {53896#true} activate_threads_#t~ret6 := is_transmit1_triggered_#res;assume -2147483648 <= activate_threads_#t~ret6 && activate_threads_#t~ret6 <= 2147483647;activate_threads_~tmp___0~0 := activate_threads_#t~ret6;havoc activate_threads_#t~ret6; {53896#true} is VALID [2020-07-28 19:16:21,437 INFO L280 TraceCheckUtils]: 79: Hoare triple {53896#true} assume !(0 != activate_threads_~tmp___0~0); {53896#true} is VALID [2020-07-28 19:16:21,437 INFO L280 TraceCheckUtils]: 80: Hoare triple {53896#true} ~E_M~0 := 2; {53896#true} is VALID [2020-07-28 19:16:21,438 INFO L280 TraceCheckUtils]: 81: Hoare triple {53896#true} assume !false; {53896#true} is VALID [2020-07-28 19:16:21,438 INFO L280 TraceCheckUtils]: 82: Hoare triple {53896#true} ~t1_pc~0 := 1;~t1_st~0 := 2; {53896#true} is VALID [2020-07-28 19:16:21,438 INFO L280 TraceCheckUtils]: 83: Hoare triple {53896#true} assume !false; {53896#true} is VALID [2020-07-28 19:16:21,438 INFO L280 TraceCheckUtils]: 84: Hoare triple {53896#true} havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; {53896#true} is VALID [2020-07-28 19:16:21,438 INFO L280 TraceCheckUtils]: 85: Hoare triple {53896#true} assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~2 := 1; {53896#true} is VALID [2020-07-28 19:16:21,438 INFO L280 TraceCheckUtils]: 86: Hoare triple {53896#true} exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; {53896#true} is VALID [2020-07-28 19:16:21,439 INFO L280 TraceCheckUtils]: 87: Hoare triple {53896#true} eval_#t~ret2 := exists_runnable_thread_#res;assume -2147483648 <= eval_#t~ret2 && eval_#t~ret2 <= 2147483647;eval_~tmp~0 := eval_#t~ret2;havoc eval_#t~ret2; {53896#true} is VALID [2020-07-28 19:16:21,439 INFO L280 TraceCheckUtils]: 88: Hoare triple {53896#true} assume 0 != eval_~tmp~0; {53896#true} is VALID [2020-07-28 19:16:21,439 INFO L280 TraceCheckUtils]: 89: Hoare triple {53896#true} assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0;assume -2147483648 <= eval_#t~nondet3 && eval_#t~nondet3 <= 2147483647;eval_~tmp_ndt_1~0 := eval_#t~nondet3;havoc eval_#t~nondet3; {53896#true} is VALID [2020-07-28 19:16:21,439 INFO L280 TraceCheckUtils]: 90: Hoare triple {53896#true} assume 0 != eval_~tmp_ndt_1~0;~m_st~0 := 1;havoc master_#t~nondet0, master_#t~nondet1, master_~tmp_var~0;assume -2147483648 <= master_#t~nondet0 && master_#t~nondet0 <= 2147483647;master_~tmp_var~0 := master_#t~nondet0;havoc master_#t~nondet0; {53896#true} is VALID [2020-07-28 19:16:21,439 INFO L280 TraceCheckUtils]: 91: Hoare triple {53896#true} assume !(0 == ~m_pc~0); {53896#true} is VALID [2020-07-28 19:16:21,440 INFO L280 TraceCheckUtils]: 92: Hoare triple {53896#true} assume 1 == ~m_pc~0; {53896#true} is VALID [2020-07-28 19:16:21,440 INFO L280 TraceCheckUtils]: 93: Hoare triple {53896#true} assume !(~token~0 != 1 + ~local~0); {53896#true} is VALID [2020-07-28 19:16:21,445 INFO L280 TraceCheckUtils]: 94: Hoare triple {53896#true} assume !(master_~tmp_var~0 <= 5); {53898#(< 5 ULTIMATE.start_master_~tmp_var~0)} is VALID [2020-07-28 19:16:21,445 INFO L280 TraceCheckUtils]: 95: Hoare triple {53898#(< 5 ULTIMATE.start_master_~tmp_var~0)} assume master_~tmp_var~0 <= 5; {53897#false} is VALID [2020-07-28 19:16:21,446 INFO L280 TraceCheckUtils]: 96: Hoare triple {53897#false} assume master_~tmp_var~0 >= 5; {53897#false} is VALID [2020-07-28 19:16:21,446 INFO L280 TraceCheckUtils]: 97: Hoare triple {53897#false} assume 5 == master_~tmp_var~0; {53897#false} is VALID [2020-07-28 19:16:21,446 INFO L280 TraceCheckUtils]: 98: Hoare triple {53897#false} assume !false; {53897#false} is VALID [2020-07-28 19:16:21,451 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-07-28 19:16:21,451 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720037441] [2020-07-28 19:16:21,454 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:16:21,454 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:16:21,454 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470874377] [2020-07-28 19:16:21,455 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-07-28 19:16:21,455 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:16:21,455 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:16:21,534 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:16:21,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:16:21,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:16:21,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:16:21,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:16:21,535 INFO L87 Difference]: Start difference. First operand 592 states and 659 transitions. Second operand 3 states. [2020-07-28 19:16:24,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:16:24,259 INFO L93 Difference]: Finished difference Result 1230 states and 1372 transitions. [2020-07-28 19:16:24,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:16:24,259 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-07-28 19:16:24,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:16:24,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:16:24,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 420 transitions. [2020-07-28 19:16:24,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:16:24,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 420 transitions. [2020-07-28 19:16:24,262 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 420 transitions. [2020-07-28 19:16:24,656 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 420 edges. 420 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:16:24,696 INFO L225 Difference]: With dead ends: 1230 [2020-07-28 19:16:24,696 INFO L226 Difference]: Without dead ends: 900 [2020-07-28 19:16:24,697 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:16:24,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2020-07-28 19:16:26,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 594. [2020-07-28 19:16:26,299 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:16:26,300 INFO L82 GeneralOperation]: Start isEquivalent. First operand 900 states. Second operand 594 states. [2020-07-28 19:16:26,300 INFO L74 IsIncluded]: Start isIncluded. First operand 900 states. Second operand 594 states. [2020-07-28 19:16:26,300 INFO L87 Difference]: Start difference. First operand 900 states. Second operand 594 states. [2020-07-28 19:16:26,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:16:26,330 INFO L93 Difference]: Finished difference Result 900 states and 997 transitions. [2020-07-28 19:16:26,330 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 997 transitions. [2020-07-28 19:16:26,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:16:26,331 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:16:26,331 INFO L74 IsIncluded]: Start isIncluded. First operand 594 states. Second operand 900 states. [2020-07-28 19:16:26,332 INFO L87 Difference]: Start difference. First operand 594 states. Second operand 900 states. [2020-07-28 19:16:26,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:16:26,357 INFO L93 Difference]: Finished difference Result 900 states and 997 transitions. [2020-07-28 19:16:26,357 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 997 transitions. [2020-07-28 19:16:26,358 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:16:26,358 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:16:26,358 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:16:26,358 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:16:26,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2020-07-28 19:16:26,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 661 transitions. [2020-07-28 19:16:26,373 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 661 transitions. Word has length 99 [2020-07-28 19:16:26,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:16:26,373 INFO L479 AbstractCegarLoop]: Abstraction has 594 states and 661 transitions. [2020-07-28 19:16:26,373 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:16:26,373 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 661 transitions. [2020-07-28 19:16:26,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-07-28 19:16:26,374 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:16:26,375 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:16:26,375 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-07-28 19:16:26,375 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:16:26,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:16:26,375 INFO L82 PathProgramCache]: Analyzing trace with hash 1118276470, now seen corresponding path program 1 times [2020-07-28 19:16:26,375 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:16:26,376 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97455033] [2020-07-28 19:16:26,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:16:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:16:26,393 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:16:26,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:16:26,410 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:16:26,449 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 19:16:26,449 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 19:16:26,449 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-07-28 19:16:26,562 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:16:26,562 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:16:26,562 WARN L170 areAnnotationChecker]: L393 has no Hoare annotation [2020-07-28 19:16:26,562 WARN L170 areAnnotationChecker]: L165 has no Hoare annotation [2020-07-28 19:16:26,562 WARN L170 areAnnotationChecker]: L165 has no Hoare annotation [2020-07-28 19:16:26,562 WARN L170 areAnnotationChecker]: L172-1 has no Hoare annotation [2020-07-28 19:16:26,562 WARN L170 areAnnotationChecker]: L172-1 has no Hoare annotation [2020-07-28 19:16:26,563 WARN L170 areAnnotationChecker]: L177-1 has no Hoare annotation [2020-07-28 19:16:26,563 WARN L170 areAnnotationChecker]: L177-1 has no Hoare annotation [2020-07-28 19:16:26,563 WARN L170 areAnnotationChecker]: L261-1 has no Hoare annotation [2020-07-28 19:16:26,563 WARN L170 areAnnotationChecker]: L261-1 has no Hoare annotation [2020-07-28 19:16:26,563 WARN L170 areAnnotationChecker]: L266-1 has no Hoare annotation [2020-07-28 19:16:26,563 WARN L170 areAnnotationChecker]: L266-1 has no Hoare annotation [2020-07-28 19:16:26,563 WARN L170 areAnnotationChecker]: L271-1 has no Hoare annotation [2020-07-28 19:16:26,563 WARN L170 areAnnotationChecker]: L271-1 has no Hoare annotation [2020-07-28 19:16:26,563 WARN L170 areAnnotationChecker]: L276-1 has no Hoare annotation [2020-07-28 19:16:26,563 WARN L170 areAnnotationChecker]: L126 has no Hoare annotation [2020-07-28 19:16:26,564 WARN L170 areAnnotationChecker]: L126 has no Hoare annotation [2020-07-28 19:16:26,564 WARN L170 areAnnotationChecker]: L127 has no Hoare annotation [2020-07-28 19:16:26,564 WARN L170 areAnnotationChecker]: L127 has no Hoare annotation [2020-07-28 19:16:26,564 WARN L170 areAnnotationChecker]: L126-2 has no Hoare annotation [2020-07-28 19:16:26,564 WARN L170 areAnnotationChecker]: L137 has no Hoare annotation [2020-07-28 19:16:26,564 WARN L170 areAnnotationChecker]: L138 has no Hoare annotation [2020-07-28 19:16:26,564 WARN L170 areAnnotationChecker]: L321 has no Hoare annotation [2020-07-28 19:16:26,564 WARN L170 areAnnotationChecker]: L321 has no Hoare annotation [2020-07-28 19:16:26,564 WARN L170 areAnnotationChecker]: L321-2 has no Hoare annotation [2020-07-28 19:16:26,564 WARN L170 areAnnotationChecker]: L145 has no Hoare annotation [2020-07-28 19:16:26,565 WARN L170 areAnnotationChecker]: L145 has no Hoare annotation [2020-07-28 19:16:26,565 WARN L170 areAnnotationChecker]: L146 has no Hoare annotation [2020-07-28 19:16:26,565 WARN L170 areAnnotationChecker]: L146 has no Hoare annotation [2020-07-28 19:16:26,565 WARN L170 areAnnotationChecker]: L145-2 has no Hoare annotation [2020-07-28 19:16:26,565 WARN L170 areAnnotationChecker]: L156 has no Hoare annotation [2020-07-28 19:16:26,565 WARN L170 areAnnotationChecker]: L157 has no Hoare annotation [2020-07-28 19:16:26,565 WARN L170 areAnnotationChecker]: L329 has no Hoare annotation [2020-07-28 19:16:26,565 WARN L170 areAnnotationChecker]: L329 has no Hoare annotation [2020-07-28 19:16:26,565 WARN L170 areAnnotationChecker]: L329-2 has no Hoare annotation [2020-07-28 19:16:26,565 WARN L170 areAnnotationChecker]: L329-2 has no Hoare annotation [2020-07-28 19:16:26,566 WARN L170 areAnnotationChecker]: L289-1 has no Hoare annotation [2020-07-28 19:16:26,566 WARN L170 areAnnotationChecker]: L289-1 has no Hoare annotation [2020-07-28 19:16:26,566 WARN L170 areAnnotationChecker]: L294-1 has no Hoare annotation [2020-07-28 19:16:26,566 WARN L170 areAnnotationChecker]: L294-1 has no Hoare annotation [2020-07-28 19:16:26,566 WARN L170 areAnnotationChecker]: L299-1 has no Hoare annotation [2020-07-28 19:16:26,566 WARN L170 areAnnotationChecker]: L299-1 has no Hoare annotation [2020-07-28 19:16:26,566 WARN L170 areAnnotationChecker]: L430-1 has no Hoare annotation [2020-07-28 19:16:26,566 WARN L170 areAnnotationChecker]: L430-1 has no Hoare annotation [2020-07-28 19:16:26,566 WARN L170 areAnnotationChecker]: L430-1 has no Hoare annotation [2020-07-28 19:16:26,566 WARN L170 areAnnotationChecker]: L468 has no Hoare annotation [2020-07-28 19:16:26,567 WARN L170 areAnnotationChecker]: L431 has no Hoare annotation [2020-07-28 19:16:26,567 WARN L170 areAnnotationChecker]: L483 has no Hoare annotation [2020-07-28 19:16:26,567 WARN L170 areAnnotationChecker]: L236 has no Hoare annotation [2020-07-28 19:16:26,567 WARN L170 areAnnotationChecker]: L236 has no Hoare annotation [2020-07-28 19:16:26,567 WARN L170 areAnnotationChecker]: L236 has no Hoare annotation [2020-07-28 19:16:26,567 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:16:26,567 WARN L170 areAnnotationChecker]: L251 has no Hoare annotation [2020-07-28 19:16:26,567 WARN L170 areAnnotationChecker]: L213 has no Hoare annotation [2020-07-28 19:16:26,567 WARN L170 areAnnotationChecker]: L165-1 has no Hoare annotation [2020-07-28 19:16:26,567 WARN L170 areAnnotationChecker]: L190 has no Hoare annotation [2020-07-28 19:16:26,568 WARN L170 areAnnotationChecker]: L190 has no Hoare annotation [2020-07-28 19:16:26,568 WARN L170 areAnnotationChecker]: L261-2 has no Hoare annotation [2020-07-28 19:16:26,568 WARN L170 areAnnotationChecker]: L261-2 has no Hoare annotation [2020-07-28 19:16:26,568 WARN L170 areAnnotationChecker]: L202 has no Hoare annotation [2020-07-28 19:16:26,568 WARN L170 areAnnotationChecker]: L194 has no Hoare annotation [2020-07-28 19:16:26,568 WARN L170 areAnnotationChecker]: L194 has no Hoare annotation [2020-07-28 19:16:26,568 WARN L170 areAnnotationChecker]: L261-4 has no Hoare annotation [2020-07-28 19:16:26,568 WARN L170 areAnnotationChecker]: L261-4 has no Hoare annotation [2020-07-28 19:16:26,568 WARN L170 areAnnotationChecker]: L203 has no Hoare annotation [2020-07-28 19:16:26,568 WARN L170 areAnnotationChecker]: L266-3 has no Hoare annotation [2020-07-28 19:16:26,569 WARN L170 areAnnotationChecker]: L266-3 has no Hoare annotation [2020-07-28 19:16:26,569 WARN L170 areAnnotationChecker]: L217 has no Hoare annotation [2020-07-28 19:16:26,569 WARN L170 areAnnotationChecker]: L217 has no Hoare annotation [2020-07-28 19:16:26,569 WARN L170 areAnnotationChecker]: L271-3 has no Hoare annotation [2020-07-28 19:16:26,569 WARN L170 areAnnotationChecker]: L271-3 has no Hoare annotation [2020-07-28 19:16:26,569 WARN L170 areAnnotationChecker]: L217-1 has no Hoare annotation [2020-07-28 19:16:26,569 WARN L170 areAnnotationChecker]: L217-1 has no Hoare annotation [2020-07-28 19:16:26,569 WARN L170 areAnnotationChecker]: L276-3 has no Hoare annotation [2020-07-28 19:16:26,569 WARN L170 areAnnotationChecker]: L225 has no Hoare annotation [2020-07-28 19:16:26,569 WARN L170 areAnnotationChecker]: L225 has no Hoare annotation [2020-07-28 19:16:26,570 WARN L170 areAnnotationChecker]: L222 has no Hoare annotation [2020-07-28 19:16:26,570 WARN L170 areAnnotationChecker]: L222 has no Hoare annotation [2020-07-28 19:16:26,570 WARN L170 areAnnotationChecker]: L126-9 has no Hoare annotation [2020-07-28 19:16:26,570 WARN L170 areAnnotationChecker]: L126-9 has no Hoare annotation [2020-07-28 19:16:26,570 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-28 19:16:26,570 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-28 19:16:26,570 WARN L170 areAnnotationChecker]: L239 has no Hoare annotation [2020-07-28 19:16:26,570 WARN L170 areAnnotationChecker]: L239 has no Hoare annotation [2020-07-28 19:16:26,570 WARN L170 areAnnotationChecker]: L127-3 has no Hoare annotation [2020-07-28 19:16:26,570 WARN L170 areAnnotationChecker]: L127-3 has no Hoare annotation [2020-07-28 19:16:26,571 WARN L170 areAnnotationChecker]: L126-11 has no Hoare annotation [2020-07-28 19:16:26,571 WARN L170 areAnnotationChecker]: L70 has no Hoare annotation [2020-07-28 19:16:26,571 WARN L170 areAnnotationChecker]: L70 has no Hoare annotation [2020-07-28 19:16:26,571 WARN L170 areAnnotationChecker]: L70 has no Hoare annotation [2020-07-28 19:16:26,571 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-28 19:16:26,571 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-28 19:16:26,571 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-28 19:16:26,571 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-28 19:16:26,571 WARN L170 areAnnotationChecker]: L137-3 has no Hoare annotation [2020-07-28 19:16:26,571 WARN L170 areAnnotationChecker]: L46 has no Hoare annotation [2020-07-28 19:16:26,572 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-28 19:16:26,572 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-28 19:16:26,572 WARN L170 areAnnotationChecker]: L101-1 has no Hoare annotation [2020-07-28 19:16:26,572 WARN L170 areAnnotationChecker]: L101-1 has no Hoare annotation [2020-07-28 19:16:26,572 WARN L170 areAnnotationChecker]: L101-1 has no Hoare annotation [2020-07-28 19:16:26,572 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-28 19:16:26,572 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-28 19:16:26,572 WARN L170 areAnnotationChecker]: L138-3 has no Hoare annotation [2020-07-28 19:16:26,572 WARN L170 areAnnotationChecker]: L126-3 has no Hoare annotation [2020-07-28 19:16:26,572 WARN L170 areAnnotationChecker]: L126-3 has no Hoare annotation [2020-07-28 19:16:26,573 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-28 19:16:26,573 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-28 19:16:26,573 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 19:16:26,573 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 19:16:26,573 WARN L170 areAnnotationChecker]: L102 has no Hoare annotation [2020-07-28 19:16:26,573 WARN L170 areAnnotationChecker]: L94 has no Hoare annotation [2020-07-28 19:16:26,573 WARN L170 areAnnotationChecker]: L321-9 has no Hoare annotation [2020-07-28 19:16:26,573 WARN L170 areAnnotationChecker]: L321-9 has no Hoare annotation [2020-07-28 19:16:26,573 WARN L170 areAnnotationChecker]: L127-1 has no Hoare annotation [2020-07-28 19:16:26,573 WARN L170 areAnnotationChecker]: L127-1 has no Hoare annotation [2020-07-28 19:16:26,574 WARN L170 areAnnotationChecker]: L126-5 has no Hoare annotation [2020-07-28 19:16:26,574 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 19:16:26,574 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 19:16:26,574 WARN L170 areAnnotationChecker]: L64-1 has no Hoare annotation [2020-07-28 19:16:26,574 WARN L170 areAnnotationChecker]: L64-1 has no Hoare annotation [2020-07-28 19:16:26,574 WARN L170 areAnnotationChecker]: L126-6 has no Hoare annotation [2020-07-28 19:16:26,574 WARN L170 areAnnotationChecker]: L126-6 has no Hoare annotation [2020-07-28 19:16:26,574 WARN L170 areAnnotationChecker]: L321-11 has no Hoare annotation [2020-07-28 19:16:26,574 WARN L170 areAnnotationChecker]: L137-1 has no Hoare annotation [2020-07-28 19:16:26,574 WARN L170 areAnnotationChecker]: L71 has no Hoare annotation [2020-07-28 19:16:26,575 WARN L170 areAnnotationChecker]: L71 has no Hoare annotation [2020-07-28 19:16:26,575 WARN L170 areAnnotationChecker]: L127-2 has no Hoare annotation [2020-07-28 19:16:26,575 WARN L170 areAnnotationChecker]: L127-2 has no Hoare annotation [2020-07-28 19:16:26,575 WARN L170 areAnnotationChecker]: L126-8 has no Hoare annotation [2020-07-28 19:16:26,575 WARN L170 areAnnotationChecker]: L145-9 has no Hoare annotation [2020-07-28 19:16:26,575 WARN L170 areAnnotationChecker]: L145-9 has no Hoare annotation [2020-07-28 19:16:26,575 WARN L170 areAnnotationChecker]: L138-1 has no Hoare annotation [2020-07-28 19:16:26,575 WARN L170 areAnnotationChecker]: L72 has no Hoare annotation [2020-07-28 19:16:26,575 WARN L170 areAnnotationChecker]: L72 has no Hoare annotation [2020-07-28 19:16:26,575 WARN L170 areAnnotationChecker]: L137-2 has no Hoare annotation [2020-07-28 19:16:26,575 WARN L170 areAnnotationChecker]: L146-3 has no Hoare annotation [2020-07-28 19:16:26,576 WARN L170 areAnnotationChecker]: L146-3 has no Hoare annotation [2020-07-28 19:16:26,576 WARN L170 areAnnotationChecker]: L145-11 has no Hoare annotation [2020-07-28 19:16:26,576 WARN L170 areAnnotationChecker]: L321-3 has no Hoare annotation [2020-07-28 19:16:26,576 WARN L170 areAnnotationChecker]: L321-3 has no Hoare annotation [2020-07-28 19:16:26,576 WARN L170 areAnnotationChecker]: L10-1 has no Hoare annotation [2020-07-28 19:16:26,576 WARN L170 areAnnotationChecker]: L10-1 has no Hoare annotation [2020-07-28 19:16:26,576 WARN L170 areAnnotationChecker]: L138-2 has no Hoare annotation [2020-07-28 19:16:26,576 WARN L170 areAnnotationChecker]: L156-3 has no Hoare annotation [2020-07-28 19:16:26,576 WARN L170 areAnnotationChecker]: L321-5 has no Hoare annotation [2020-07-28 19:16:26,577 WARN L170 areAnnotationChecker]: L321-6 has no Hoare annotation [2020-07-28 19:16:26,577 WARN L170 areAnnotationChecker]: L321-6 has no Hoare annotation [2020-07-28 19:16:26,577 WARN L170 areAnnotationChecker]: L157-3 has no Hoare annotation [2020-07-28 19:16:26,577 WARN L170 areAnnotationChecker]: L145-3 has no Hoare annotation [2020-07-28 19:16:26,577 WARN L170 areAnnotationChecker]: L145-3 has no Hoare annotation [2020-07-28 19:16:26,577 WARN L170 areAnnotationChecker]: L321-8 has no Hoare annotation [2020-07-28 19:16:26,577 WARN L170 areAnnotationChecker]: L329-9 has no Hoare annotation [2020-07-28 19:16:26,577 WARN L170 areAnnotationChecker]: L329-9 has no Hoare annotation [2020-07-28 19:16:26,577 WARN L170 areAnnotationChecker]: L146-1 has no Hoare annotation [2020-07-28 19:16:26,577 WARN L170 areAnnotationChecker]: L146-1 has no Hoare annotation [2020-07-28 19:16:26,577 WARN L170 areAnnotationChecker]: L145-5 has no Hoare annotation [2020-07-28 19:16:26,578 WARN L170 areAnnotationChecker]: L145-6 has no Hoare annotation [2020-07-28 19:16:26,578 WARN L170 areAnnotationChecker]: L145-6 has no Hoare annotation [2020-07-28 19:16:26,578 WARN L170 areAnnotationChecker]: L329-11 has no Hoare annotation [2020-07-28 19:16:26,578 WARN L170 areAnnotationChecker]: L329-11 has no Hoare annotation [2020-07-28 19:16:26,578 WARN L170 areAnnotationChecker]: L156-1 has no Hoare annotation [2020-07-28 19:16:26,578 WARN L170 areAnnotationChecker]: L146-2 has no Hoare annotation [2020-07-28 19:16:26,578 WARN L170 areAnnotationChecker]: L146-2 has no Hoare annotation [2020-07-28 19:16:26,578 WARN L170 areAnnotationChecker]: L145-8 has no Hoare annotation [2020-07-28 19:16:26,578 WARN L170 areAnnotationChecker]: L289-3 has no Hoare annotation [2020-07-28 19:16:26,578 WARN L170 areAnnotationChecker]: L289-3 has no Hoare annotation [2020-07-28 19:16:26,579 WARN L170 areAnnotationChecker]: L157-1 has no Hoare annotation [2020-07-28 19:16:26,579 WARN L170 areAnnotationChecker]: L156-2 has no Hoare annotation [2020-07-28 19:16:26,579 WARN L170 areAnnotationChecker]: L294-3 has no Hoare annotation [2020-07-28 19:16:26,579 WARN L170 areAnnotationChecker]: L294-3 has no Hoare annotation [2020-07-28 19:16:26,579 WARN L170 areAnnotationChecker]: L329-3 has no Hoare annotation [2020-07-28 19:16:26,579 WARN L170 areAnnotationChecker]: L329-3 has no Hoare annotation [2020-07-28 19:16:26,579 WARN L170 areAnnotationChecker]: L157-2 has no Hoare annotation [2020-07-28 19:16:26,579 WARN L170 areAnnotationChecker]: L299-3 has no Hoare annotation [2020-07-28 19:16:26,579 WARN L170 areAnnotationChecker]: L299-3 has no Hoare annotation [2020-07-28 19:16:26,579 WARN L170 areAnnotationChecker]: L329-5 has no Hoare annotation [2020-07-28 19:16:26,580 WARN L170 areAnnotationChecker]: L329-6 has no Hoare annotation [2020-07-28 19:16:26,580 WARN L170 areAnnotationChecker]: L329-6 has no Hoare annotation [2020-07-28 19:16:26,580 WARN L170 areAnnotationChecker]: L304-3 has no Hoare annotation [2020-07-28 19:16:26,580 WARN L170 areAnnotationChecker]: L329-8 has no Hoare annotation [2020-07-28 19:16:26,580 WARN L170 areAnnotationChecker]: L190-1 has no Hoare annotation [2020-07-28 19:16:26,580 WARN L170 areAnnotationChecker]: L190-1 has no Hoare annotation [2020-07-28 19:16:26,580 WARN L170 areAnnotationChecker]: L202-1 has no Hoare annotation [2020-07-28 19:16:26,580 WARN L170 areAnnotationChecker]: L194-1 has no Hoare annotation [2020-07-28 19:16:26,580 WARN L170 areAnnotationChecker]: L194-1 has no Hoare annotation [2020-07-28 19:16:26,580 WARN L170 areAnnotationChecker]: L203-1 has no Hoare annotation [2020-07-28 19:16:26,581 WARN L170 areAnnotationChecker]: L449 has no Hoare annotation [2020-07-28 19:16:26,581 WARN L170 areAnnotationChecker]: L449 has no Hoare annotation [2020-07-28 19:16:26,581 WARN L170 areAnnotationChecker]: L355 has no Hoare annotation [2020-07-28 19:16:26,581 WARN L170 areAnnotationChecker]: L449-1 has no Hoare annotation [2020-07-28 19:16:26,581 WARN L170 areAnnotationChecker]: L126-12 has no Hoare annotation [2020-07-28 19:16:26,581 WARN L170 areAnnotationChecker]: L126-12 has no Hoare annotation [2020-07-28 19:16:26,581 WARN L170 areAnnotationChecker]: L190-2 has no Hoare annotation [2020-07-28 19:16:26,581 WARN L170 areAnnotationChecker]: L190-2 has no Hoare annotation [2020-07-28 19:16:26,581 WARN L170 areAnnotationChecker]: L127-4 has no Hoare annotation [2020-07-28 19:16:26,581 WARN L170 areAnnotationChecker]: L127-4 has no Hoare annotation [2020-07-28 19:16:26,581 WARN L170 areAnnotationChecker]: L126-14 has no Hoare annotation [2020-07-28 19:16:26,582 WARN L170 areAnnotationChecker]: L202-2 has no Hoare annotation [2020-07-28 19:16:26,582 WARN L170 areAnnotationChecker]: L194-2 has no Hoare annotation [2020-07-28 19:16:26,582 WARN L170 areAnnotationChecker]: L194-2 has no Hoare annotation [2020-07-28 19:16:26,582 WARN L170 areAnnotationChecker]: L137-4 has no Hoare annotation [2020-07-28 19:16:26,582 WARN L170 areAnnotationChecker]: L203-2 has no Hoare annotation [2020-07-28 19:16:26,582 WARN L170 areAnnotationChecker]: L138-4 has no Hoare annotation [2020-07-28 19:16:26,582 WARN L170 areAnnotationChecker]: L404 has no Hoare annotation [2020-07-28 19:16:26,582 WARN L170 areAnnotationChecker]: L404 has no Hoare annotation [2020-07-28 19:16:26,582 WARN L170 areAnnotationChecker]: L321-12 has no Hoare annotation [2020-07-28 19:16:26,582 WARN L170 areAnnotationChecker]: L321-12 has no Hoare annotation [2020-07-28 19:16:26,583 WARN L170 areAnnotationChecker]: L411 has no Hoare annotation [2020-07-28 19:16:26,583 WARN L170 areAnnotationChecker]: L321-14 has no Hoare annotation [2020-07-28 19:16:26,583 WARN L170 areAnnotationChecker]: L412 has no Hoare annotation [2020-07-28 19:16:26,583 WARN L170 areAnnotationChecker]: L145-12 has no Hoare annotation [2020-07-28 19:16:26,583 WARN L170 areAnnotationChecker]: L145-12 has no Hoare annotation [2020-07-28 19:16:26,583 WARN L170 areAnnotationChecker]: L462 has no Hoare annotation [2020-07-28 19:16:26,583 WARN L170 areAnnotationChecker]: L462 has no Hoare annotation [2020-07-28 19:16:26,583 WARN L170 areAnnotationChecker]: L146-4 has no Hoare annotation [2020-07-28 19:16:26,583 WARN L170 areAnnotationChecker]: L146-4 has no Hoare annotation [2020-07-28 19:16:26,583 WARN L170 areAnnotationChecker]: L145-14 has no Hoare annotation [2020-07-28 19:16:26,584 WARN L170 areAnnotationChecker]: L156-4 has no Hoare annotation [2020-07-28 19:16:26,584 WARN L170 areAnnotationChecker]: L157-4 has no Hoare annotation [2020-07-28 19:16:26,584 WARN L170 areAnnotationChecker]: L329-12 has no Hoare annotation [2020-07-28 19:16:26,584 WARN L170 areAnnotationChecker]: L329-12 has no Hoare annotation [2020-07-28 19:16:26,584 WARN L170 areAnnotationChecker]: L329-14 has no Hoare annotation [2020-07-28 19:16:26,584 WARN L170 areAnnotationChecker]: L329-14 has no Hoare annotation [2020-07-28 19:16:26,584 WARN L170 areAnnotationChecker]: L362-1 has no Hoare annotation [2020-07-28 19:16:26,584 WARN L170 areAnnotationChecker]: L362-1 has no Hoare annotation [2020-07-28 19:16:26,584 WARN L170 areAnnotationChecker]: L367-1 has no Hoare annotation [2020-07-28 19:16:26,584 WARN L170 areAnnotationChecker]: L367-1 has no Hoare annotation [2020-07-28 19:16:26,584 WARN L170 areAnnotationChecker]: L372-1 has no Hoare annotation [2020-07-28 19:16:26,585 WARN L170 areAnnotationChecker]: L372-1 has no Hoare annotation [2020-07-28 19:16:26,585 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:16:26,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:16:26 BoogieIcfgContainer [2020-07-28 19:16:26,588 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:16:26,588 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:16:26,588 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:16:26,588 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:16:26,589 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:15:29" (3/4) ... [2020-07-28 19:16:26,591 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 19:16:26,739 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:16:26,739 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:16:26,742 INFO L168 Benchmark]: Toolchain (without parser) took 58476.36 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 747.1 MB). Free memory was 960.2 MB in the beginning and 1.6 GB in the end (delta: -605.3 MB). Peak memory consumption was 141.8 MB. Max. memory is 11.5 GB. [2020-07-28 19:16:26,742 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:16:26,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 414.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -174.3 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2020-07-28 19:16:26,742 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:16:26,743 INFO L168 Benchmark]: Boogie Preprocessor took 39.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:16:26,743 INFO L168 Benchmark]: RCFGBuilder took 1092.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 11.5 GB. [2020-07-28 19:16:26,744 INFO L168 Benchmark]: TraceAbstraction took 56693.49 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 602.4 MB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -541.6 MB). Peak memory consumption was 60.8 MB. Max. memory is 11.5 GB. [2020-07-28 19:16:26,744 INFO L168 Benchmark]: Witness Printer took 150.94 ms. Allocated memory is still 1.8 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2020-07-28 19:16:26,747 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 414.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -174.3 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1092.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 56693.49 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 602.4 MB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -541.6 MB). Peak memory consumption was 60.8 MB. Max. memory is 11.5 GB. * Witness Printer took 150.94 ms. Allocated memory is still 1.8 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 10]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] int m_pc = 0; [L15] int t1_pc = 0; [L16] int m_st ; [L17] int t1_st ; [L18] int m_i ; [L19] int t1_i ; [L20] int M_E = 2; [L21] int T1_E = 2; [L22] int E_M = 2; [L23] int E_1 = 2; [L27] int token ; [L29] int local ; VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, token=0] [L475] int __retres1 ; [L390] m_i = 1 [L391] t1_i = 1 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L416] int kernel_st ; [L417] int tmp ; [L418] int tmp___0 ; [L422] kernel_st = 0 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L172] COND TRUE m_i == 1 [L173] m_st = 0 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L177] COND TRUE t1_i == 1 [L178] t1_st = 0 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L261] COND FALSE !(M_E == 0) VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L266] COND FALSE !(T1_E == 0) VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L271] COND FALSE !(E_M == 0) VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L276] COND FALSE !(E_1 == 0) VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L314] int tmp ; [L315] int tmp___0 ; [L123] int __retres1 ; VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L126] COND FALSE !(m_pc == 1) VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L136] __retres1 = 0 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L138] return (__retres1); VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L319] tmp = is_master_triggered() [L321] COND FALSE !(\read(tmp)) VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L142] int __retres1 ; VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L145] COND FALSE !(t1_pc == 1) VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L155] __retres1 = 0 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L157] return (__retres1); VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L327] tmp___0 = is_transmit1_triggered() [L329] COND FALSE !(\read(tmp___0)) VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L289] COND FALSE !(M_E == 1) VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L294] COND FALSE !(T1_E == 1) VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L299] COND FALSE !(E_M == 1) VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L304] COND FALSE !(E_1 == 1) VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L430] COND TRUE 1 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L433] kernel_st = 1 [L208] int tmp ; VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L212] COND TRUE 1 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L187] int __retres1 ; VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L190] COND TRUE m_st == 0 [L191] __retres1 = 1 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L203] return (__retres1); VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L215] tmp = exists_runnable_thread() [L217] COND TRUE \read(tmp) VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L222] COND TRUE m_st == 0 [L223] int tmp_ndt_1; [L224] tmp_ndt_1 = __VERIFIER_nondet_int() [L225] COND FALSE !(\read(tmp_ndt_1)) VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L236] COND TRUE t1_st == 0 [L237] int tmp_ndt_2; [L238] tmp_ndt_2 = __VERIFIER_nondet_int() [L239] COND TRUE \read(tmp_ndt_2) [L241] t1_st = 1 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=1, token=0] [L90] COND TRUE t1_pc == 0 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=1, token=0] [L101] COND TRUE 1 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=1, token=0] [L103] t1_pc = 1 [L104] t1_st = 2 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=0] [L212] COND TRUE 1 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=0] [L187] int __retres1 ; VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=0] [L190] COND TRUE m_st == 0 [L191] __retres1 = 1 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=0] [L203] return (__retres1); VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=0] [L215] tmp = exists_runnable_thread() [L217] COND TRUE \read(tmp) VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=0] [L222] COND TRUE m_st == 0 [L223] int tmp_ndt_1; [L224] tmp_ndt_1 = __VERIFIER_nondet_int() [L225] COND TRUE \read(tmp_ndt_1) [L227] m_st = 1 [L32] int tmp_var = __VERIFIER_nondet_int(); [L34] COND TRUE m_pc == 0 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=0] [L45] COND TRUE 1 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=0] [L48] token = __VERIFIER_nondet_int() [L49] local = token [L50] E_1 = 1 [L314] int tmp ; [L315] int tmp___0 ; [L123] int __retres1 ; VAL [E_1=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=0] [L126] COND FALSE !(m_pc == 1) VAL [E_1=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=0] [L136] __retres1 = 0 VAL [E_1=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=0] [L138] return (__retres1); VAL [E_1=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=0] [L319] tmp = is_master_triggered() [L321] COND FALSE !(\read(tmp)) VAL [E_1=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=0] [L142] int __retres1 ; VAL [E_1=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=0] [L145] COND TRUE t1_pc == 1 VAL [E_1=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=0] [L146] COND TRUE E_1 == 1 [L147] __retres1 = 1 VAL [E_1=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=0] [L157] return (__retres1); VAL [E_1=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=0] [L327] tmp___0 = is_transmit1_triggered() [L329] COND TRUE \read(tmp___0) [L330] t1_st = 0 VAL [E_1=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, token=0] [L52] E_1 = 2 [L53] m_pc = 1 [L54] m_st = 2 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, token=0] [L236] COND TRUE t1_st == 0 [L237] int tmp_ndt_2; [L238] tmp_ndt_2 = __VERIFIER_nondet_int() [L239] COND TRUE \read(tmp_ndt_2) [L241] t1_st = 1 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, token=0] [L90] COND FALSE !(t1_pc == 0) VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, token=0] [L93] COND TRUE t1_pc == 1 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, token=0] [L109] token += 1 [L110] E_M = 1 [L314] int tmp ; [L315] int tmp___0 ; [L123] int __retres1 ; VAL [E_1=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, token=1] [L126] COND TRUE m_pc == 1 VAL [E_1=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, token=1] [L127] COND TRUE E_M == 1 [L128] __retres1 = 1 VAL [E_1=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, token=1] [L138] return (__retres1); VAL [E_1=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, token=1] [L319] tmp = is_master_triggered() [L321] COND TRUE \read(tmp) [L322] m_st = 0 VAL [E_1=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, token=1] [L142] int __retres1 ; VAL [E_1=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, token=1] [L145] COND TRUE t1_pc == 1 VAL [E_1=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, token=1] [L146] COND FALSE !(E_1 == 1) VAL [E_1=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, token=1] [L155] __retres1 = 0 VAL [E_1=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, token=1] [L157] return (__retres1); VAL [E_1=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, token=1] [L327] tmp___0 = is_transmit1_triggered() [L329] COND FALSE !(\read(tmp___0)) VAL [E_1=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, token=1] [L112] E_M = 2 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, token=1] [L101] COND TRUE 1 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, token=1] [L103] t1_pc = 1 [L104] t1_st = 2 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=1] [L212] COND TRUE 1 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=1] [L187] int __retres1 ; VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=1] [L190] COND TRUE m_st == 0 [L191] __retres1 = 1 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=1] [L203] return (__retres1); VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=1] [L215] tmp = exists_runnable_thread() [L217] COND TRUE \read(tmp) VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=1] [L222] COND TRUE m_st == 0 [L223] int tmp_ndt_1; [L224] tmp_ndt_1 = __VERIFIER_nondet_int() [L225] COND TRUE \read(tmp_ndt_1) [L227] m_st = 1 [L32] int tmp_var = __VERIFIER_nondet_int(); [L34] COND FALSE !(m_pc == 0) VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=1] [L37] COND TRUE m_pc == 1 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=1] [L59] COND FALSE !(token != local + 1) VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=1] [L64] COND TRUE tmp_var <= 5 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=1] [L65] COND TRUE tmp_var >= 5 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=1] [L70] COND TRUE tmp_var <= 5 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=1] [L71] COND TRUE tmp_var >= 5 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=1] [L72] COND TRUE tmp_var == 5 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=1] [L10] __VERIFIER_error() VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 148 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 56.4s, OverallIterations: 17, TraceHistogramMax: 3, AutomataDifference: 34.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3381 SDtfs, 2947 SDslu, 2280 SDs, 0 SdLazy, 238 SolverSat, 97 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1288occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 18.5s AutomataMinimizationTime, 16 MinimizatonAttempts, 736 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1125 NumberOfCodeBlocks, 1125 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1009 ConstructedInterpolants, 0 QuantifiedInterpolants, 130215 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 191/191 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 incorrect! Received shutdown request...