./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/systemc/token_ring.01_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e4646358-ffec-44de-93ca-edb3b55d38de/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e4646358-ffec-44de-93ca-edb3b55d38de/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e4646358-ffec-44de-93ca-edb3b55d38de/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e4646358-ffec-44de-93ca-edb3b55d38de/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/systemc/token_ring.01_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e4646358-ffec-44de-93ca-edb3b55d38de/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e4646358-ffec-44de-93ca-edb3b55d38de/bin-2019/ukojak --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 Kojak --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 0.1.23-5842f4b [2018-11-18 11:24:36,847 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:24:36,848 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:24:36,856 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:24:36,856 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:24:36,857 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:24:36,858 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:24:36,859 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:24:36,860 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:24:36,860 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:24:36,861 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:24:36,861 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:24:36,862 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:24:36,862 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:24:36,863 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:24:36,864 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:24:36,864 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:24:36,865 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:24:36,867 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:24:36,868 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:24:36,868 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:24:36,869 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:24:36,871 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:24:36,871 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:24:36,871 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:24:36,872 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:24:36,872 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:24:36,873 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:24:36,874 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:24:36,875 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:24:36,875 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:24:36,876 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:24:36,876 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:24:36,876 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:24:36,876 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:24:36,877 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:24:36,878 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e4646358-ffec-44de-93ca-edb3b55d38de/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 11:24:36,887 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:24:36,887 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:24:36,888 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:24:36,888 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:24:36,888 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:24:36,889 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:24:36,889 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:24:36,889 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:24:36,890 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:24:36,890 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:24:36,890 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:24:36,890 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:24:36,890 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:24:36,890 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:24:36,890 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:24:36,891 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:24:36,891 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:24:36,891 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:24:36,891 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 11:24:36,891 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 11:24:36,891 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:24:36,891 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:24:36,892 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:24:36,892 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:24:36,892 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:24:36,892 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:24:36,892 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 11:24:36,892 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:24:36,892 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:24:36,892 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_e4646358-ffec-44de-93ca-edb3b55d38de/bin-2019/ukojak 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 -> Kojak 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 [2018-11-18 11:24:36,914 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:24:36,923 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:24:36,926 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:24:36,927 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:24:36,928 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:24:36,928 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e4646358-ffec-44de-93ca-edb3b55d38de/bin-2019/ukojak/../../sv-benchmarks/c/systemc/token_ring.01_false-unreach-call_false-termination.cil.c [2018-11-18 11:24:36,963 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e4646358-ffec-44de-93ca-edb3b55d38de/bin-2019/ukojak/data/ced4911a2/d8d71ad25cdb4a7a8fd9bc21f0588fcd/FLAG04305c322 [2018-11-18 11:24:37,266 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:24:37,267 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e4646358-ffec-44de-93ca-edb3b55d38de/sv-benchmarks/c/systemc/token_ring.01_false-unreach-call_false-termination.cil.c [2018-11-18 11:24:37,273 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e4646358-ffec-44de-93ca-edb3b55d38de/bin-2019/ukojak/data/ced4911a2/d8d71ad25cdb4a7a8fd9bc21f0588fcd/FLAG04305c322 [2018-11-18 11:24:37,703 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e4646358-ffec-44de-93ca-edb3b55d38de/bin-2019/ukojak/data/ced4911a2/d8d71ad25cdb4a7a8fd9bc21f0588fcd [2018-11-18 11:24:37,706 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:24:37,708 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:24:37,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:24:37,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:24:37,711 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:24:37,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:24:37" (1/1) ... [2018-11-18 11:24:37,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d3bfeb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:37, skipping insertion in model container [2018-11-18 11:24:37,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:24:37" (1/1) ... [2018-11-18 11:24:37,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:24:37,744 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:24:37,865 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:24:37,867 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:24:37,888 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:24:37,898 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:24:37,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:37 WrapperNode [2018-11-18 11:24:37,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:24:37,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:24:37,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:24:37,899 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:24:37,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:37" (1/1) ... [2018-11-18 11:24:37,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:37" (1/1) ... [2018-11-18 11:24:37,964 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:24:37,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:24:37,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:24:37,965 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:24:37,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:37" (1/1) ... [2018-11-18 11:24:37,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:37" (1/1) ... [2018-11-18 11:24:37,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:37" (1/1) ... [2018-11-18 11:24:37,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:37" (1/1) ... [2018-11-18 11:24:37,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:37" (1/1) ... [2018-11-18 11:24:37,985 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:37" (1/1) ... [2018-11-18 11:24:37,986 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:37" (1/1) ... [2018-11-18 11:24:37,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:24:37,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:24:37,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:24:37,989 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:24:37,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e4646358-ffec-44de-93ca-edb3b55d38de/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-11-18 11:24:38,029 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2018-11-18 11:24:38,029 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2018-11-18 11:24:38,029 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2018-11-18 11:24:38,029 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2018-11-18 11:24:38,029 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2018-11-18 11:24:38,029 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2018-11-18 11:24:38,029 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2018-11-18 11:24:38,029 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2018-11-18 11:24:38,029 INFO L130 BoogieDeclarations]: Found specification of procedure error [2018-11-18 11:24:38,029 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2018-11-18 11:24:38,029 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2018-11-18 11:24:38,029 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2018-11-18 11:24:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2018-11-18 11:24:38,030 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2018-11-18 11:24:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:24:38,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:24:38,496 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:24:38,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:24:38 BoogieIcfgContainer [2018-11-18 11:24:38,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:24:38,497 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 11:24:38,497 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 11:24:38,503 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 11:24:38,504 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:24:38" (1/1) ... [2018-11-18 11:24:38,511 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:24:38,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:38,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 76 states and 110 transitions. [2018-11-18 11:24:38,537 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 110 transitions. [2018-11-18 11:24:38,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 11:24:38,542 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:38,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:38,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:24:38,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:38,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 80 states and 114 transitions. [2018-11-18 11:24:38,822 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2018-11-18 11:24:38,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 11:24:38,823 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:38,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:24:38,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:39,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 81 states and 114 transitions. [2018-11-18 11:24:39,001 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 114 transitions. [2018-11-18 11:24:39,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 11:24:39,002 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:39,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:39,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:24:39,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:39,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 91 states and 131 transitions. [2018-11-18 11:24:39,190 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 131 transitions. [2018-11-18 11:24:39,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 11:24:39,191 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:39,234 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:24:39,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:39,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 98 states and 147 transitions. [2018-11-18 11:24:39,324 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 147 transitions. [2018-11-18 11:24:39,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 11:24:39,325 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:39,352 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:24:39,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:39,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 99 states and 149 transitions. [2018-11-18 11:24:39,410 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 149 transitions. [2018-11-18 11:24:39,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 11:24:39,411 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:39,438 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:24:39,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:39,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 100 states and 151 transitions. [2018-11-18 11:24:39,501 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 151 transitions. [2018-11-18 11:24:39,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 11:24:39,502 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:39,530 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:24:39,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:39,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 101 states and 152 transitions. [2018-11-18 11:24:39,599 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 152 transitions. [2018-11-18 11:24:39,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 11:24:39,601 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:39,619 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:24:39,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:39,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 103 states and 157 transitions. [2018-11-18 11:24:39,720 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 157 transitions. [2018-11-18 11:24:39,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 11:24:39,722 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:39,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:39,747 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:24:39,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:39,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 114 states and 181 transitions. [2018-11-18 11:24:39,925 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 181 transitions. [2018-11-18 11:24:39,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 11:24:39,926 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:39,943 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:24:39,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:39,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 116 states and 185 transitions. [2018-11-18 11:24:39,988 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 185 transitions. [2018-11-18 11:24:39,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 11:24:39,988 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:39,999 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:24:40,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:40,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 116 states and 183 transitions. [2018-11-18 11:24:40,042 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 183 transitions. [2018-11-18 11:24:40,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 11:24:40,043 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:40,056 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:24:40,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:40,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 120 states and 188 transitions. [2018-11-18 11:24:40,141 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 188 transitions. [2018-11-18 11:24:40,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 11:24:40,143 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:40,165 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 11:24:40,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:40,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 127 states and 204 transitions. [2018-11-18 11:24:40,320 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 204 transitions. [2018-11-18 11:24:40,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 11:24:40,321 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:40,333 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 11:24:40,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:40,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 133 states and 212 transitions. [2018-11-18 11:24:40,440 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 212 transitions. [2018-11-18 11:24:40,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 11:24:40,442 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:40,501 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 11:24:40,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:40,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 139 states and 223 transitions. [2018-11-18 11:24:40,694 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 223 transitions. [2018-11-18 11:24:40,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 11:24:40,695 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:40,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:40,711 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 11:24:40,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:40,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 145 states and 231 transitions. [2018-11-18 11:24:40,819 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 231 transitions. [2018-11-18 11:24:40,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 11:24:40,820 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:40,867 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 11:24:40,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:40,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 156 states and 251 transitions. [2018-11-18 11:24:40,966 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 251 transitions. [2018-11-18 11:24:40,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 11:24:40,967 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:40,981 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 11:24:41,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:41,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 157 states and 251 transitions. [2018-11-18 11:24:41,030 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 251 transitions. [2018-11-18 11:24:41,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 11:24:41,031 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:41,061 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:24:41,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:41,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 157 states and 248 transitions. [2018-11-18 11:24:41,106 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 248 transitions. [2018-11-18 11:24:41,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 11:24:41,107 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:41,155 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 11:24:41,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:41,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 159 states and 250 transitions. [2018-11-18 11:24:41,245 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 250 transitions. [2018-11-18 11:24:41,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 11:24:41,246 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:41,265 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 11:24:41,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:41,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 165 states and 261 transitions. [2018-11-18 11:24:41,427 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 261 transitions. [2018-11-18 11:24:41,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 11:24:41,429 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:41,526 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 11:24:41,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:41,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 178 states and 289 transitions. [2018-11-18 11:24:41,994 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 289 transitions. [2018-11-18 11:24:41,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 11:24:41,995 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:42,014 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 11:24:42,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:42,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 181 states and 295 transitions. [2018-11-18 11:24:42,153 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 295 transitions. [2018-11-18 11:24:42,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 11:24:42,154 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:42,172 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 11:24:42,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:42,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 181 states and 295 transitions. [2018-11-18 11:24:42,219 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 295 transitions. [2018-11-18 11:24:42,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 11:24:42,220 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:42,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:42,236 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 11:24:42,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:42,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 187 states and 312 transitions. [2018-11-18 11:24:42,496 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 312 transitions. [2018-11-18 11:24:42,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 11:24:42,496 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:42,524 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 11:24:42,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:42,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 192 states and 323 transitions. [2018-11-18 11:24:42,575 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 323 transitions. [2018-11-18 11:24:42,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 11:24:42,576 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:42,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:42,591 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 11:24:42,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:42,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 205 states and 344 transitions. [2018-11-18 11:24:42,689 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 344 transitions. [2018-11-18 11:24:42,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 11:24:42,690 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:42,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:42,703 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 29 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 11:24:42,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:42,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 205 states and 344 transitions. [2018-11-18 11:24:42,737 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 344 transitions. [2018-11-18 11:24:42,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 11:24:42,738 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:42,754 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 11:24:42,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:42,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 210 states and 351 transitions. [2018-11-18 11:24:42,879 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 351 transitions. [2018-11-18 11:24:42,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 11:24:42,880 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:42,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:42,895 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 29 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 11:24:42,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:42,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 210 states and 351 transitions. [2018-11-18 11:24:42,930 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 351 transitions. [2018-11-18 11:24:42,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 11:24:42,931 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:42,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:42,946 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 11:24:43,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:43,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 215 states and 361 transitions. [2018-11-18 11:24:43,164 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 361 transitions. [2018-11-18 11:24:43,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 11:24:43,164 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:43,178 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 11:24:43,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:43,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 215 states and 361 transitions. [2018-11-18 11:24:43,213 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 361 transitions. [2018-11-18 11:24:43,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 11:24:43,214 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:43,296 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 11:24:43,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:43,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 224 states and 380 transitions. [2018-11-18 11:24:43,887 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 380 transitions. [2018-11-18 11:24:43,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 11:24:43,888 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:43,908 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 29 proven. 5 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 11:24:43,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:43,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 224 states and 380 transitions. [2018-11-18 11:24:43,963 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 380 transitions. [2018-11-18 11:24:43,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 11:24:43,964 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:44,120 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 11:24:45,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:45,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 243 states and 430 transitions. [2018-11-18 11:24:45,148 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 430 transitions. [2018-11-18 11:24:45,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 11:24:45,149 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:45,171 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 29 proven. 5 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 11:24:45,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:24:45,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 243 states and 430 transitions. [2018-11-18 11:24:45,224 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 430 transitions. [2018-11-18 11:24:45,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 11:24:45,225 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:24:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:24:45,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:24:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:24:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:24:45,355 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 37 iterations. [2018-11-18 11:24:45,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 11:24:45 ImpRootNode [2018-11-18 11:24:45,417 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 11:24:45,418 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:24:45,418 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:24:45,418 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:24:45,419 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:24:38" (3/4) ... [2018-11-18 11:24:45,421 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 11:24:45,502 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e4646358-ffec-44de-93ca-edb3b55d38de/bin-2019/ukojak/witness.graphml [2018-11-18 11:24:45,502 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:24:45,503 INFO L168 Benchmark]: Toolchain (without parser) took 7796.37 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 301.5 MB). Free memory was 952.7 MB in the beginning and 1.0 GB in the end (delta: -90.1 MB). Peak memory consumption was 211.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:24:45,504 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:24:45,504 INFO L168 Benchmark]: CACSL2BoogieTranslator took 190.28 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 936.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:24:45,505 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -209.7 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:24:45,505 INFO L168 Benchmark]: Boogie Preprocessor took 23.70 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:24:45,505 INFO L168 Benchmark]: RCFGBuilder took 507.65 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: 57.4 MB). Peak memory consumption was 57.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:24:45,505 INFO L168 Benchmark]: CodeCheck took 6920.90 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 149.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.3 MB). Peak memory consumption was 176.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:24:45,506 INFO L168 Benchmark]: Witness Printer took 84.86 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:24:45,507 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 119 locations, 1 error locations. UNSAFE Result, 6.8s OverallTime, 37 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14177142 SDtfs, -1013951460 SDslu, 977770420 SDs, 0 SdLazy, 378038436 SolverSat, -23301316 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20796 GetRequests, 19618 SyntacticMatches, 1006 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34836 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 2508 NumberOfCodeBlocks, 2508 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 2375 ConstructedInterpolants, 0 QuantifiedInterpolants, 271699 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 27 PerfectInterpolantSequences, 981/1020 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - 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 ; [L475] int __retres1 ; [L479] CALL init_model() [L390] m_i = 1 [L391] RET t1_i = 1 [L479] init_model() [L480] CALL start_simulation() [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] [L423] FCALL update_channels() 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] [L424] CALL init_threads() [L172] COND TRUE m_i == 1 [L173] m_st = 0 [L177] COND TRUE t1_i == 1 [L178] RET t1_st = 0 [L424] init_threads() [L425] CALL fire_delta_events() VAL [\old(E_1)=2, \old(E_M)=2, \old(M_E)=2, \old(T1_E)=2, 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) [L266] COND FALSE !(T1_E == 0) [L271] COND FALSE !(E_M == 0) [L276] COND FALSE, RET !(E_1 == 0) [L425] fire_delta_events() 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] [L426] CALL activate_threads() VAL [\old(m_st)=0, \old(t1_st)=0, 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 ; [L319] CALL, EXPR is_master_triggered() [L123] int __retres1 ; VAL [\old(m_st)=0, \old(t1_st)=0, 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 [\old(m_st)=0, \old(t1_st)=0, 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 [\old(m_st)=0, \old(t1_st)=0, 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] RET return (__retres1); [L319] EXPR is_master_triggered() [L319] tmp = is_master_triggered() [L321] COND FALSE !(\read(tmp)) [L327] CALL, EXPR is_transmit1_triggered() [L142] int __retres1 ; VAL [\old(m_st)=0, \old(t1_st)=0, 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 [\old(m_st)=0, \old(t1_st)=0, 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 [\old(m_st)=0, \old(t1_st)=0, 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] RET return (__retres1); [L327] EXPR is_transmit1_triggered() [L327] tmp___0 = is_transmit1_triggered() [L329] COND FALSE, RET !(\read(tmp___0)) [L426] activate_threads() 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] [L427] CALL reset_delta_events() VAL [\old(E_1)=2, \old(E_M)=2, \old(M_E)=2, \old(T1_E)=2, 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) [L294] COND FALSE !(T1_E == 1) [L299] COND FALSE !(E_M == 1) [L304] COND FALSE, RET !(E_1 == 1) [L427] reset_delta_events() 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 [L433] kernel_st = 1 [L434] CALL eval() [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] [L215] CALL, EXPR exists_runnable_thread() 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 ; [L190] COND TRUE m_st == 0 [L191] __retres1 = 1 [L203] RET return (__retres1); [L215] EXPR exists_runnable_thread() 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 [L242] CALL transmit1() [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 [L103] t1_pc = 1 [L104] RET t1_st = 2 [L242] transmit1() [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] [L215] CALL, EXPR exists_runnable_thread() 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 ; [L190] COND TRUE m_st == 0 [L191] __retres1 = 1 [L203] RET return (__retres1); [L215] EXPR exists_runnable_thread() 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 [L228] CALL master() [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 [L48] token = __VERIFIER_nondet_int() [L49] local = token [L50] E_1 = 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] [L51] CALL immediate_notify() VAL [\old(m_st)=1, \old(t1_st)=2, 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] [L343] CALL activate_threads() VAL [\old(m_st)=1, \old(t1_st)=2, 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] [L314] int tmp ; [L315] int tmp___0 ; [L319] CALL, EXPR is_master_triggered() [L123] int __retres1 ; VAL [\old(m_st)=1, \old(t1_st)=2, 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 [\old(m_st)=1, \old(t1_st)=2, 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 [\old(m_st)=1, \old(t1_st)=2, 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] RET return (__retres1); [L319] EXPR is_master_triggered() [L319] tmp = is_master_triggered() [L321] COND FALSE !(\read(tmp)) [L327] CALL, EXPR is_transmit1_triggered() [L142] int __retres1 ; VAL [\old(m_st)=1, \old(t1_st)=2, 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 [\old(m_st)=1, \old(t1_st)=2, 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 [\old(m_st)=1, \old(t1_st)=2, 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] RET return (__retres1); [L327] EXPR is_transmit1_triggered() [L327] tmp___0 = is_transmit1_triggered() [L329] COND TRUE \read(tmp___0) [L330] RET t1_st = 0 [L343] RET activate_threads() VAL [\old(m_st)=1, \old(t1_st)=2, 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] [L51] immediate_notify() 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] RET 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] [L228] master() [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 [L242] CALL transmit1() [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 [L109] token += 1 [L110] E_M = 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] [L111] CALL immediate_notify() VAL [\old(m_st)=2, \old(t1_st)=1, 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] [L343] CALL activate_threads() VAL [\old(m_st)=2, \old(t1_st)=1, 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] [L314] int tmp ; [L315] int tmp___0 ; [L319] CALL, EXPR is_master_triggered() [L123] int __retres1 ; VAL [\old(m_st)=2, \old(t1_st)=1, 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 [\old(m_st)=2, \old(t1_st)=1, 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 [\old(m_st)=2, \old(t1_st)=1, 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] RET return (__retres1); [L319] EXPR is_master_triggered() [L319] tmp = is_master_triggered() [L321] COND TRUE \read(tmp) [L322] m_st = 0 [L327] CALL, EXPR is_transmit1_triggered() [L142] int __retres1 ; VAL [\old(m_st)=2, \old(t1_st)=1, 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 [\old(m_st)=2, \old(t1_st)=1, 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 [\old(m_st)=2, \old(t1_st)=1, 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 [\old(m_st)=2, \old(t1_st)=1, 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] RET return (__retres1); [L327] EXPR is_transmit1_triggered() [L327] tmp___0 = is_transmit1_triggered() [L329] COND FALSE, RET !(\read(tmp___0)) [L343] RET activate_threads() VAL [\old(m_st)=2, \old(t1_st)=1, 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] [L111] immediate_notify() 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 [L103] t1_pc = 1 [L104] RET t1_st = 2 [L242] transmit1() [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] [L215] CALL, EXPR exists_runnable_thread() 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 ; [L190] COND TRUE m_st == 0 [L191] __retres1 = 1 [L203] RET return (__retres1); [L215] EXPR exists_runnable_thread() 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 [L228] CALL master() [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) [L64] COND TRUE tmp_var <= 5 [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] [L73] CALL 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] [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] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 190.28 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 936.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -209.7 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.70 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 507.65 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: 57.4 MB). Peak memory consumption was 57.4 MB. Max. memory is 11.5 GB. * CodeCheck took 6920.90 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 149.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.3 MB). Peak memory consumption was 176.2 MB. Max. memory is 11.5 GB. * Witness Printer took 84.86 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...