./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3_false-unreach-call.1.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f47d7dce-a328-4b07-8b79-5eb7b971f99e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f47d7dce-a328-4b07-8b79-5eb7b971f99e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f47d7dce-a328-4b07-8b79-5eb7b971f99e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f47d7dce-a328-4b07-8b79-5eb7b971f99e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3_false-unreach-call.1.ufo.UNBOUNDED.pals.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f47d7dce-a328-4b07-8b79-5eb7b971f99e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f47d7dce-a328-4b07-8b79-5eb7b971f99e/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 60c504c9f40ccadb4975411e53cf63a02a16daf7 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.23-635dfa2 [2018-12-02 18:03:18,087 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 18:03:18,087 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 18:03:18,093 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 18:03:18,094 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 18:03:18,094 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 18:03:18,095 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 18:03:18,096 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 18:03:18,097 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 18:03:18,097 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 18:03:18,097 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 18:03:18,098 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 18:03:18,098 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 18:03:18,099 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 18:03:18,099 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 18:03:18,100 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 18:03:18,100 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 18:03:18,101 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 18:03:18,102 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 18:03:18,103 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 18:03:18,103 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 18:03:18,104 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 18:03:18,105 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 18:03:18,105 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 18:03:18,105 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 18:03:18,106 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 18:03:18,106 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 18:03:18,107 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 18:03:18,107 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 18:03:18,108 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 18:03:18,108 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 18:03:18,108 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 18:03:18,108 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 18:03:18,108 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 18:03:18,109 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 18:03:18,109 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 18:03:18,110 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f47d7dce-a328-4b07-8b79-5eb7b971f99e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 18:03:18,116 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 18:03:18,117 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 18:03:18,117 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 18:03:18,117 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 18:03:18,118 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 18:03:18,118 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 18:03:18,118 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 18:03:18,118 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 18:03:18,118 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 18:03:18,118 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 18:03:18,118 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 18:03:18,119 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 18:03:18,119 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 18:03:18,119 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 18:03:18,119 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 18:03:18,119 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 18:03:18,119 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 18:03:18,119 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 18:03:18,119 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 18:03:18,120 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 18:03:18,120 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 18:03:18,120 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 18:03:18,120 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 18:03:18,120 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 18:03:18,120 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 18:03:18,120 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 18:03:18,120 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 18:03:18,121 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 18:03:18,121 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 18:03:18,121 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_f47d7dce-a328-4b07-8b79-5eb7b971f99e/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 -> 60c504c9f40ccadb4975411e53cf63a02a16daf7 [2018-12-02 18:03:18,138 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 18:03:18,145 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 18:03:18,147 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 18:03:18,148 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 18:03:18,148 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 18:03:18,148 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f47d7dce-a328-4b07-8b79-5eb7b971f99e/bin-2019/ukojak/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3_false-unreach-call.1.ufo.UNBOUNDED.pals.c [2018-12-02 18:03:18,183 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f47d7dce-a328-4b07-8b79-5eb7b971f99e/bin-2019/ukojak/data/3701e31cc/6e0348c9b5064b7b87730c03e1c651b1/FLAG510165f6d [2018-12-02 18:03:18,614 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 18:03:18,614 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f47d7dce-a328-4b07-8b79-5eb7b971f99e/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3_false-unreach-call.1.ufo.UNBOUNDED.pals.c [2018-12-02 18:03:18,619 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f47d7dce-a328-4b07-8b79-5eb7b971f99e/bin-2019/ukojak/data/3701e31cc/6e0348c9b5064b7b87730c03e1c651b1/FLAG510165f6d [2018-12-02 18:03:18,627 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f47d7dce-a328-4b07-8b79-5eb7b971f99e/bin-2019/ukojak/data/3701e31cc/6e0348c9b5064b7b87730c03e1c651b1 [2018-12-02 18:03:18,629 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 18:03:18,630 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 18:03:18,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 18:03:18,630 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 18:03:18,633 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 18:03:18,634 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:03:18" (1/1) ... [2018-12-02 18:03:18,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@797cd78d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:03:18, skipping insertion in model container [2018-12-02 18:03:18,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:03:18" (1/1) ... [2018-12-02 18:03:18,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 18:03:18,660 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 18:03:18,773 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:03:18,777 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 18:03:18,805 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:03:18,846 INFO L195 MainTranslator]: Completed translation [2018-12-02 18:03:18,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:03:18 WrapperNode [2018-12-02 18:03:18,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 18:03:18,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 18:03:18,847 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 18:03:18,847 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 18:03:18,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:03:18" (1/1) ... [2018-12-02 18:03:18,858 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:03:18" (1/1) ... [2018-12-02 18:03:18,874 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 18:03:18,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 18:03:18,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 18:03:18,875 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 18:03:18,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:03:18" (1/1) ... [2018-12-02 18:03:18,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:03:18" (1/1) ... [2018-12-02 18:03:18,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:03:18" (1/1) ... [2018-12-02 18:03:18,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:03:18" (1/1) ... [2018-12-02 18:03:18,886 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:03:18" (1/1) ... [2018-12-02 18:03:18,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:03:18" (1/1) ... [2018-12-02 18:03:18,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:03:18" (1/1) ... [2018-12-02 18:03:18,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 18:03:18,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 18:03:18,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 18:03:18,896 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 18:03:18,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:03:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f47d7dce-a328-4b07-8b79-5eb7b971f99e/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 [2018-12-02 18:03:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 18:03:18,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 18:03:19,670 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 18:03:19,670 INFO L280 CfgBuilder]: Removed 17 assue(true) statements. [2018-12-02 18:03:19,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:03:19 BoogieIcfgContainer [2018-12-02 18:03:19,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 18:03:19,671 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 18:03:19,671 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 18:03:19,678 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 18:03:19,678 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:03:19" (1/1) ... [2018-12-02 18:03:19,685 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:03:19,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:03:19,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2018-12-02 18:03:19,707 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-12-02 18:03:19,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-02 18:03:19,709 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:03:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:03:19,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:03:20,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:03:20,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 7 states and 10 transitions. [2018-12-02 18:03:20,029 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 10 transitions. [2018-12-02 18:03:20,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-02 18:03:20,029 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:03:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:03:20,483 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 61 [2018-12-02 18:03:20,601 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:03:21,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:03:21,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 10 states and 19 transitions. [2018-12-02 18:03:21,397 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 19 transitions. [2018-12-02 18:03:21,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-02 18:03:21,399 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:03:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:03:21,744 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:03:23,021 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 35 [2018-12-02 18:03:23,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:03:23,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 14 states and 31 transitions. [2018-12-02 18:03:23,408 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 31 transitions. [2018-12-02 18:03:23,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 18:03:23,408 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:03:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:03:24,035 WARN L180 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 72 [2018-12-02 18:03:25,148 WARN L180 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 137 [2018-12-02 18:03:26,500 WARN L180 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 233 DAG size of output: 137 [2018-12-02 18:03:27,440 WARN L180 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 133 [2018-12-02 18:03:28,112 WARN L180 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 154 [2018-12-02 18:03:29,049 WARN L180 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 148 [2018-12-02 18:03:29,060 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:03:29,397 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2018-12-02 18:03:29,984 WARN L180 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 131 [2018-12-02 18:03:30,381 WARN L180 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 131 [2018-12-02 18:03:30,752 WARN L180 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 148 [2018-12-02 18:03:30,943 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-12-02 18:03:31,209 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2018-12-02 18:03:31,586 WARN L180 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 130 [2018-12-02 18:03:31,936 WARN L180 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 131 [2018-12-02 18:03:32,338 WARN L180 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 148 [2018-12-02 18:03:32,602 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-12-02 18:03:32,889 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2018-12-02 18:03:33,253 WARN L180 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 128 [2018-12-02 18:03:33,945 WARN L180 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2018-12-02 18:03:34,721 WARN L180 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 137 [2018-12-02 18:03:35,133 WARN L180 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 127 [2018-12-02 18:03:35,433 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-12-02 18:03:35,876 WARN L180 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 147 [2018-12-02 18:03:36,141 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-12-02 18:03:36,639 WARN L180 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 176 [2018-12-02 18:03:36,902 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2018-12-02 18:03:37,587 WARN L180 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 176 [2018-12-02 18:03:37,969 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2018-12-02 18:03:38,292 WARN L180 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2018-12-02 18:03:38,851 WARN L180 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2018-12-02 18:03:38,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:03:38,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 20 states and 51 transitions. [2018-12-02 18:03:38,932 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 51 transitions. [2018-12-02 18:03:38,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 18:03:38,933 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:03:39,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:03:39,244 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:03:39,633 WARN L180 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 126 [2018-12-02 18:03:40,058 WARN L180 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 142 [2018-12-02 18:03:40,599 WARN L180 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2018-12-02 18:03:41,361 WARN L180 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-12-02 18:03:41,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:03:41,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 21 states and 53 transitions. [2018-12-02 18:03:41,483 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 53 transitions. [2018-12-02 18:03:41,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 18:03:41,484 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:03:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:03:42,350 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:03:43,178 WARN L180 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 128 [2018-12-02 18:03:43,467 WARN L180 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 132 [2018-12-02 18:03:43,759 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-12-02 18:03:44,342 WARN L180 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2018-12-02 18:03:44,888 WARN L180 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 147 [2018-12-02 18:03:45,303 WARN L180 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 152 [2018-12-02 18:03:45,594 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2018-12-02 18:03:45,895 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2018-12-02 18:03:46,344 WARN L180 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 139 [2018-12-02 18:03:47,223 WARN L180 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 144 [2018-12-02 18:03:47,511 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2018-12-02 18:03:47,822 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-12-02 18:03:48,112 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 35 [2018-12-02 18:03:48,860 WARN L180 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 181 [2018-12-02 18:03:49,371 WARN L180 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2018-12-02 18:03:50,110 WARN L180 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2018-12-02 18:03:50,686 WARN L180 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2018-12-02 18:03:50,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:03:50,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 25 states and 69 transitions. [2018-12-02 18:03:50,758 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 69 transitions. [2018-12-02 18:03:50,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 18:03:50,759 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:03:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:03:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:03:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:03:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:03:53,229 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2018-12-02 18:03:53,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 06:03:53 ImpRootNode [2018-12-02 18:03:53,268 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 18:03:53,268 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 18:03:53,268 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 18:03:53,268 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 18:03:53,269 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:03:19" (3/4) ... [2018-12-02 18:03:53,270 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 18:03:53,339 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f47d7dce-a328-4b07-8b79-5eb7b971f99e/bin-2019/ukojak/witness.graphml [2018-12-02 18:03:53,339 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 18:03:53,340 INFO L168 Benchmark]: Toolchain (without parser) took 34710.82 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 498.1 MB). Free memory was 954.4 MB in the beginning and 911.7 MB in the end (delta: 42.7 MB). Peak memory consumption was 540.8 MB. Max. memory is 11.5 GB. [2018-12-02 18:03:53,340 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:03:53,340 INFO L168 Benchmark]: CACSL2BoogieTranslator took 216.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 954.4 MB in the beginning and 1.1 GB in the end (delta: -176.8 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2018-12-02 18:03:53,341 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.88 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-02 18:03:53,341 INFO L168 Benchmark]: Boogie Preprocessor took 20.63 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-02 18:03:53,341 INFO L168 Benchmark]: RCFGBuilder took 774.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 939.2 MB in the end (delta: 185.1 MB). Peak memory consumption was 185.1 MB. Max. memory is 11.5 GB. [2018-12-02 18:03:53,341 INFO L168 Benchmark]: CodeCheck took 33597.35 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 364.9 MB). Free memory was 939.2 MB in the beginning and 925.6 MB in the end (delta: 13.7 MB). Peak memory consumption was 378.6 MB. Max. memory is 11.5 GB. [2018-12-02 18:03:53,342 INFO L168 Benchmark]: Witness Printer took 70.94 ms. Allocated memory is still 1.5 GB. Free memory was 925.6 MB in the beginning and 911.7 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-12-02 18:03:53,343 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 1 procedures, 78 locations, 1 error locations. UNSAFE Result, 33.5s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 32 SDtfs, 294 SDslu, 64 SDs, 0 SdLazy, 2376 SolverSat, 462 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 660 GetRequests, 531 SyntacticMatches, 17 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5813 ImplicationChecksByTransitivity, 28.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 61578 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 6/52 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: 359]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L70] msg_t nomsg = (msg_t )-1; [L71] unsigned char r1 ; [L72] port_t p1 ; [L73] char p1_old ; [L74] char p1_new ; [L75] char id1 ; [L76] char st1 ; [L77] msg_t send1 ; [L78] _Bool mode1 ; [L79] _Bool alive1 ; [L80] port_t p2 ; [L81] char p2_old ; [L82] char p2_new ; [L83] char id2 ; [L84] char st2 ; [L85] msg_t send2 ; [L86] _Bool mode2 ; [L87] _Bool alive2 ; [L88] port_t p3 ; [L89] char p3_old ; [L90] char p3_new ; [L91] char id3 ; [L92] char st3 ; [L93] msg_t send3 ; [L94] _Bool mode3 ; [L95] _Bool alive3 ; [L204] void (*nodes[3])(void) = { & node1, & node2, & node3}; [L304] int c1 ; [L305] int i2 ; [L308] c1 = 0 [L309] r1 = __VERIFIER_nondet_uchar() [L310] id1 = __VERIFIER_nondet_char() [L311] st1 = __VERIFIER_nondet_char() [L312] send1 = __VERIFIER_nondet_char() [L313] mode1 = __VERIFIER_nondet_bool() [L314] alive1 = __VERIFIER_nondet_bool() [L315] id2 = __VERIFIER_nondet_char() [L316] st2 = __VERIFIER_nondet_char() [L317] send2 = __VERIFIER_nondet_char() [L318] mode2 = __VERIFIER_nondet_bool() [L319] alive2 = __VERIFIER_nondet_bool() [L320] id3 = __VERIFIER_nondet_char() [L321] st3 = __VERIFIER_nondet_char() [L322] send3 = __VERIFIER_nondet_char() [L323] mode3 = __VERIFIER_nondet_bool() [L324] alive3 = __VERIFIER_nondet_bool() [L207] int tmp ; [L210] COND TRUE (int )r1 == 0 [L211] COND TRUE ((int )alive1 + (int )alive2) + (int )alive3 >= 1 [L212] COND TRUE (int )id1 >= 0 [L213] COND TRUE (int )st1 == 0 [L214] COND TRUE (int )send1 == (int )id1 [L215] COND TRUE (int )mode1 == 0 [L216] COND TRUE (int )id2 >= 0 [L217] COND TRUE (int )st2 == 0 [L218] COND TRUE (int )send2 == (int )id2 [L219] COND TRUE (int )mode2 == 0 [L220] COND TRUE (int )id3 >= 0 [L221] COND TRUE (int )st3 == 0 [L222] COND TRUE (int )send3 == (int )id3 [L223] COND TRUE (int )mode3 == 0 [L224] COND TRUE (int )id1 != (int )id2 [L225] COND TRUE (int )id1 != (int )id3 [L226] COND TRUE (int )id2 != (int )id3 [L227] tmp = 1 [L279] return (tmp); [L325] i2 = init() [L327] p1_old = nomsg [L328] p1_new = nomsg [L329] p2_old = nomsg [L330] p2_new = nomsg [L331] p3_old = nomsg [L332] p3_new = nomsg [L333] i2 = 0 VAL [alive1=1, alive2=1, alive3=0, id1=127, id2=2, id3=1, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=0, send1=127, send2=2, send3=1, st1=0, st2=0, st3=0] [L334] COND TRUE 1 [L98] msg_t m1 ; [L101] m1 = nomsg [L102] COND FALSE !(\read(mode1)) [L125] COND TRUE \read(alive1) [L126] EXPR send1 != nomsg && p1_new == nomsg ? send1 : p1_new [L126] p1_new = send1 != nomsg && p1_new == nomsg ? send1 : p1_new [L131] mode1 = (_Bool)1 [L138] msg_t m2 ; [L141] m2 = nomsg [L142] COND FALSE !(\read(mode2)) [L159] COND TRUE \read(alive2) [L160] EXPR send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L160] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L165] mode2 = (_Bool)1 [L172] msg_t m3 ; [L175] m3 = nomsg [L176] COND FALSE !(\read(mode3)) [L193] COND FALSE !(\read(alive3)) [L196] COND FALSE !((int )send3 != (int )id3) [L199] mode3 = (_Bool)1 [L339] p1_old = p1_new [L340] p1_new = nomsg [L341] p2_old = p2_new [L342] p2_new = nomsg [L343] p3_old = p3_new [L344] p3_new = nomsg [L284] int tmp ; [L287] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L288] COND TRUE (int )r1 < 3 [L289] tmp = 1 [L299] return (tmp); [L345] c1 = check() [L357] COND FALSE !(! arg) VAL [alive1=1, alive2=1, alive3=0, id1=127, id2=2, id3=1, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=127, p2=0, p2_new=-1, p2_old=2, p3=0, p3_new=-1, p3_old=-1, r1=0, send1=127, send2=2, send3=1, st1=0, st2=0, st3=0] [L334] COND TRUE 1 [L98] msg_t m1 ; [L101] m1 = nomsg [L102] COND TRUE \read(mode1) [L103] COND FALSE !(r1 == 255) [L106] r1 = r1 + 1 [L107] m1 = p3_old [L108] p3_old = nomsg [L109] COND FALSE !((int )m1 != (int )nomsg) [L123] mode1 = (_Bool)0 [L138] msg_t m2 ; [L141] m2 = nomsg [L142] COND TRUE \read(mode2) [L143] m2 = p1_old [L144] p1_old = nomsg [L145] COND TRUE (int )m2 != (int )nomsg [L146] COND TRUE \read(alive2) [L147] COND TRUE (int )m2 > (int )id2 [L148] send2 = m2 [L157] mode2 = (_Bool)0 [L172] msg_t m3 ; [L175] m3 = nomsg [L176] COND TRUE \read(mode3) [L177] m3 = p2_old [L178] p2_old = nomsg [L179] COND TRUE (int )m3 != (int )nomsg [L180] COND FALSE !(\read(alive3)) [L188] send3 = m3 [L191] mode3 = (_Bool)0 [L339] p1_old = p1_new [L340] p1_new = nomsg [L341] p2_old = p2_new [L342] p2_new = nomsg [L343] p3_old = p3_new [L344] p3_new = nomsg [L284] int tmp ; [L287] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L288] COND TRUE (int )r1 < 3 [L289] tmp = 1 [L299] return (tmp); [L345] c1 = check() [L357] COND FALSE !(! arg) VAL [alive1=1, alive2=1, alive3=0, id1=127, id2=2, id3=1, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=127, send2=127, send3=2, st1=0, st2=0, st3=0] [L334] COND TRUE 1 [L98] msg_t m1 ; [L101] m1 = nomsg [L102] COND FALSE !(\read(mode1)) [L125] COND TRUE \read(alive1) [L126] EXPR send1 != nomsg && p1_new == nomsg ? send1 : p1_new [L126] p1_new = send1 != nomsg && p1_new == nomsg ? send1 : p1_new [L131] mode1 = (_Bool)1 [L138] msg_t m2 ; [L141] m2 = nomsg [L142] COND FALSE !(\read(mode2)) [L159] COND TRUE \read(alive2) [L160] EXPR send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L160] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L165] mode2 = (_Bool)1 [L172] msg_t m3 ; [L175] m3 = nomsg [L176] COND FALSE !(\read(mode3)) [L193] COND FALSE !(\read(alive3)) [L196] COND TRUE (int )send3 != (int )id3 [L197] EXPR send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L197] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L199] mode3 = (_Bool)1 [L339] p1_old = p1_new [L340] p1_new = nomsg [L341] p2_old = p2_new [L342] p2_new = nomsg [L343] p3_old = p3_new [L344] p3_new = nomsg [L284] int tmp ; [L287] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L288] COND TRUE (int )r1 < 3 [L289] tmp = 1 [L299] return (tmp); [L345] c1 = check() [L357] COND FALSE !(! arg) VAL [alive1=1, alive2=1, alive3=0, id1=127, id2=2, id3=1, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=127, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=2, r1=1, send1=127, send2=127, send3=2, st1=0, st2=0, st3=0] [L334] COND TRUE 1 [L98] msg_t m1 ; [L101] m1 = nomsg [L102] COND TRUE \read(mode1) [L103] COND FALSE !(r1 == 255) [L106] r1 = r1 + 1 [L107] m1 = p3_old [L108] p3_old = nomsg [L109] COND TRUE (int )m1 != (int )nomsg [L110] COND TRUE \read(alive1) [L111] COND FALSE !((int )m1 > (int )id1) [L114] COND FALSE !((int )m1 == (int )id1) [L117] send1 = m1 [L123] mode1 = (_Bool)0 [L138] msg_t m2 ; [L141] m2 = nomsg [L142] COND TRUE \read(mode2) [L143] m2 = p1_old [L144] p1_old = nomsg [L145] COND TRUE (int )m2 != (int )nomsg [L146] COND TRUE \read(alive2) [L147] COND TRUE (int )m2 > (int )id2 [L148] send2 = m2 [L157] mode2 = (_Bool)0 [L172] msg_t m3 ; [L175] m3 = nomsg [L176] COND TRUE \read(mode3) [L177] m3 = p2_old [L178] p2_old = nomsg [L179] COND TRUE (int )m3 != (int )nomsg [L180] COND FALSE !(\read(alive3)) [L188] send3 = m3 [L191] mode3 = (_Bool)0 [L339] p1_old = p1_new [L340] p1_new = nomsg [L341] p2_old = p2_new [L342] p2_new = nomsg [L343] p3_old = p3_new [L344] p3_new = nomsg [L284] int tmp ; [L287] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L288] COND TRUE (int )r1 < 3 [L289] tmp = 1 [L299] return (tmp); [L345] c1 = check() [L357] COND FALSE !(! arg) VAL [alive1=1, alive2=1, alive3=0, id1=127, id2=2, id3=1, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=2, send2=127, send3=127, st1=0, st2=0, st3=0] [L334] COND TRUE 1 [L98] msg_t m1 ; [L101] m1 = nomsg [L102] COND FALSE !(\read(mode1)) [L125] COND TRUE \read(alive1) [L126] EXPR send1 != nomsg && p1_new == nomsg ? send1 : p1_new [L126] p1_new = send1 != nomsg && p1_new == nomsg ? send1 : p1_new [L131] mode1 = (_Bool)1 [L138] msg_t m2 ; [L141] m2 = nomsg [L142] COND FALSE !(\read(mode2)) [L159] COND TRUE \read(alive2) [L160] EXPR send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L160] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L165] mode2 = (_Bool)1 [L172] msg_t m3 ; [L175] m3 = nomsg [L176] COND FALSE !(\read(mode3)) [L193] COND FALSE !(\read(alive3)) [L196] COND TRUE (int )send3 != (int )id3 [L197] EXPR send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L197] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L199] mode3 = (_Bool)1 [L339] p1_old = p1_new [L340] p1_new = nomsg [L341] p2_old = p2_new [L342] p2_new = nomsg [L343] p3_old = p3_new [L344] p3_new = nomsg [L284] int tmp ; [L287] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L288] COND TRUE (int )r1 < 3 [L289] tmp = 1 [L299] return (tmp); [L345] c1 = check() [L357] COND FALSE !(! arg) VAL [alive1=1, alive2=1, alive3=0, id1=127, id2=2, id3=1, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=2, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=127, r1=2, send1=2, send2=127, send3=127, st1=0, st2=0, st3=0] [L334] COND TRUE 1 [L98] msg_t m1 ; [L101] m1 = nomsg [L102] COND TRUE \read(mode1) [L103] COND FALSE !(r1 == 255) [L106] r1 = r1 + 1 [L107] m1 = p3_old [L108] p3_old = nomsg [L109] COND TRUE (int )m1 != (int )nomsg [L110] COND TRUE \read(alive1) [L111] COND FALSE !((int )m1 > (int )id1) [L114] COND TRUE (int )m1 == (int )id1 [L115] st1 = (char)1 [L123] mode1 = (_Bool)0 [L138] msg_t m2 ; [L141] m2 = nomsg [L142] COND TRUE \read(mode2) [L143] m2 = p1_old [L144] p1_old = nomsg [L145] COND TRUE (int )m2 != (int )nomsg [L146] COND TRUE \read(alive2) [L147] COND FALSE !((int )m2 > (int )id2) [L150] COND TRUE (int )m2 == (int )id2 [L151] st2 = (char)1 [L157] mode2 = (_Bool)0 [L172] msg_t m3 ; [L175] m3 = nomsg [L176] COND TRUE \read(mode3) [L177] m3 = p2_old [L178] p2_old = nomsg [L179] COND TRUE (int )m3 != (int )nomsg [L180] COND FALSE !(\read(alive3)) [L188] send3 = m3 [L191] mode3 = (_Bool)0 [L339] p1_old = p1_new [L340] p1_new = nomsg [L341] p2_old = p2_new [L342] p2_new = nomsg [L343] p3_old = p3_new [L344] p3_new = nomsg [L284] int tmp ; [L287] COND FALSE !(((int )st1 + (int )st2) + (int )st3 <= 1) [L297] tmp = 0 [L299] return (tmp); [L345] c1 = check() [L357] COND TRUE ! arg VAL [alive1=1, alive2=1, alive3=0, id1=127, id2=2, id3=1, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=2, send2=127, send3=127, st1=1, st2=1, st3=0] [L359] __VERIFIER_error() VAL [alive1=1, alive2=1, alive3=0, id1=127, id2=2, id3=1, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=2, send2=127, send3=127, st1=1, st2=1, st3=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 216.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 954.4 MB in the beginning and 1.1 GB in the end (delta: -176.8 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.88 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.63 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 774.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 939.2 MB in the end (delta: 185.1 MB). Peak memory consumption was 185.1 MB. Max. memory is 11.5 GB. * CodeCheck took 33597.35 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 364.9 MB). Free memory was 939.2 MB in the beginning and 925.6 MB in the end (delta: 13.7 MB). Peak memory consumption was 378.6 MB. Max. memory is 11.5 GB. * Witness Printer took 70.94 ms. Allocated memory is still 1.5 GB. Free memory was 925.6 MB in the beginning and 911.7 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...