./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_587cd7f6-447b-4822-a6f3-864db9c7a603/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_587cd7f6-447b-4822-a6f3-864db9c7a603/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_587cd7f6-447b-4822-a6f3-864db9c7a603/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_587cd7f6-447b-4822-a6f3-864db9c7a603/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c -s /tmp/vcloud-vcloud-master/worker/run_dir_587cd7f6-447b-4822-a6f3-864db9c7a603/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_587cd7f6-447b-4822-a6f3-864db9c7a603/bin/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 f2969d4725852fd68e7759cdb7f1d1929ca0124c ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-678e011 [2019-11-20 10:53:13,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:53:13,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:53:13,536 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:53:13,536 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:53:13,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:53:13,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:53:13,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:53:13,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:53:13,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:53:13,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:53:13,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:53:13,545 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:53:13,546 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:53:13,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:53:13,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:53:13,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:53:13,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:53:13,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:53:13,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:53:13,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:53:13,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:53:13,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:53:13,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:53:13,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:53:13,572 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:53:13,573 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:53:13,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:53:13,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:53:13,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:53:13,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:53:13,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:53:13,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:53:13,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:53:13,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:53:13,579 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:53:13,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:53:13,580 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:53:13,580 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:53:13,581 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:53:13,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:53:13,582 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_587cd7f6-447b-4822-a6f3-864db9c7a603/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 10:53:13,597 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:53:13,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:53:13,599 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 10:53:13,599 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 10:53:13,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:53:13,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:53:13,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:53:13,600 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:53:13,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:53:13,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:53:13,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:53:13,602 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:53:13,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:53:13,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:53:13,602 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:53:13,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:53:13,603 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:53:13,603 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:53:13,603 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 10:53:13,603 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 10:53:13,604 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:53:13,604 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:53:13,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 10:53:13,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:53:13,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:53:13,605 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:53:13,605 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 10:53:13,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:53:13,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:53:13,605 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_587cd7f6-447b-4822-a6f3-864db9c7a603/bin/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 -> f2969d4725852fd68e7759cdb7f1d1929ca0124c [2019-11-20 10:53:13,790 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:53:13,799 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:53:13,805 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:53:13,806 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:53:13,808 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:53:13,809 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_587cd7f6-447b-4822-a6f3-864db9c7a603/bin/ukojak/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c [2019-11-20 10:53:13,872 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_587cd7f6-447b-4822-a6f3-864db9c7a603/bin/ukojak/data/13817bcc4/7928bacf94ff499086e4fd14822e715a/FLAGc800bb480 [2019-11-20 10:53:14,215 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:53:14,216 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_587cd7f6-447b-4822-a6f3-864db9c7a603/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c [2019-11-20 10:53:14,223 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_587cd7f6-447b-4822-a6f3-864db9c7a603/bin/ukojak/data/13817bcc4/7928bacf94ff499086e4fd14822e715a/FLAGc800bb480 [2019-11-20 10:53:14,583 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_587cd7f6-447b-4822-a6f3-864db9c7a603/bin/ukojak/data/13817bcc4/7928bacf94ff499086e4fd14822e715a [2019-11-20 10:53:14,585 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:53:14,587 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:53:14,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:53:14,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:53:14,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:53:14,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:53:14" (1/1) ... [2019-11-20 10:53:14,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39573465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:14, skipping insertion in model container [2019-11-20 10:53:14,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:53:14" (1/1) ... [2019-11-20 10:53:14,601 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:53:14,634 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:53:14,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:53:14,963 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:53:14,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:53:15,014 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:53:15,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:15 WrapperNode [2019-11-20 10:53:15,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:53:15,015 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:53:15,016 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:53:15,016 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:53:15,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:15" (1/1) ... [2019-11-20 10:53:15,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:15" (1/1) ... [2019-11-20 10:53:15,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:53:15,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:53:15,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:53:15,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:53:15,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:15" (1/1) ... [2019-11-20 10:53:15,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:15" (1/1) ... [2019-11-20 10:53:15,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:15" (1/1) ... [2019-11-20 10:53:15,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:15" (1/1) ... [2019-11-20 10:53:15,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:15" (1/1) ... [2019-11-20 10:53:15,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:15" (1/1) ... [2019-11-20 10:53:15,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:15" (1/1) ... [2019-11-20 10:53:15,099 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:53:15,100 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:53:15,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:53:15,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:53:15,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_587cd7f6-447b-4822-a6f3-864db9c7a603/bin/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 [2019-11-20 10:53:15,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:53:15,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:53:16,604 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:53:16,605 INFO L285 CfgBuilder]: Removed 17 assume(true) statements. [2019-11-20 10:53:16,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:53:16 BoogieIcfgContainer [2019-11-20 10:53:16,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:53:16,607 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 10:53:16,607 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 10:53:16,617 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 10:53:16,617 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:53:16" (1/1) ... [2019-11-20 10:53:16,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:53:16,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:16,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2019-11-20 10:53:16,659 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2019-11-20 10:53:16,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-20 10:53:16,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:16,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:53:17,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:17,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2019-11-20 10:53:17,081 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2019-11-20 10:53:17,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-20 10:53:17,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:17,836 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 62 [2019-11-20 10:53:18,145 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 69 [2019-11-20 10:53:18,382 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2019-11-20 10:53:18,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:53:18,678 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2019-11-20 10:53:18,998 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-11-20 10:53:19,218 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-11-20 10:53:19,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:19,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 13 states and 22 transitions. [2019-11-20 10:53:19,720 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 22 transitions. [2019-11-20 10:53:19,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 10:53:19,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:20,235 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:53:20,439 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-11-20 10:53:20,630 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2019-11-20 10:53:21,005 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-11-20 10:53:21,124 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2019-11-20 10:53:21,577 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-11-20 10:53:22,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:22,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 19 states and 37 transitions. [2019-11-20 10:53:22,359 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 37 transitions. [2019-11-20 10:53:22,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 10:53:22,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:24,370 WARN L191 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 73 [2019-11-20 10:53:26,556 WARN L191 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 288 DAG size of output: 189 [2019-11-20 10:53:29,102 WARN L191 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 291 DAG size of output: 190 [2019-11-20 10:53:31,404 WARN L191 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 277 DAG size of output: 182 [2019-11-20 10:53:32,249 WARN L191 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 99 [2019-11-20 10:53:32,259 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:53:32,580 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2019-11-20 10:53:33,728 WARN L191 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 192 [2019-11-20 10:53:34,111 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-11-20 10:53:35,159 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 209 DAG size of output: 204 [2019-11-20 10:53:35,567 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2019-11-20 10:53:36,114 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2019-11-20 10:53:37,097 WARN L191 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 188 [2019-11-20 10:53:38,150 WARN L191 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 200 [2019-11-20 10:53:38,583 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-11-20 10:53:39,054 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2019-11-20 10:53:39,789 WARN L191 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 181 [2019-11-20 10:53:40,228 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-11-20 10:53:40,907 WARN L191 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 187 [2019-11-20 10:53:41,342 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-11-20 10:53:41,877 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-11-20 10:53:42,532 WARN L191 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 176 [2019-11-20 10:53:42,943 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-20 10:53:43,540 WARN L191 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 182 [2019-11-20 10:53:43,971 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-20 10:53:44,401 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-11-20 10:53:44,915 WARN L191 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 125 [2019-11-20 10:53:45,327 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 97 [2019-11-20 10:53:45,608 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-11-20 10:53:45,941 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-11-20 10:53:46,320 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-11-20 10:53:46,833 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 121 [2019-11-20 10:53:47,114 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-11-20 10:53:47,435 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-11-20 10:53:47,820 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-11-20 10:53:48,210 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2019-11-20 10:53:48,646 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-11-20 10:53:48,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:48,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 28 states and 64 transitions. [2019-11-20 10:53:48,721 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 64 transitions. [2019-11-20 10:53:48,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 10:53:48,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:49,784 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:53:50,905 WARN L191 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 189 [2019-11-20 10:53:51,374 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-11-20 10:53:51,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:51,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 29 states and 66 transitions. [2019-11-20 10:53:51,485 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 66 transitions. [2019-11-20 10:53:51,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 10:53:51,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:53,162 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 44 [2019-11-20 10:53:53,429 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 37 [2019-11-20 10:53:53,432 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:53:53,911 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-11-20 10:53:54,518 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 133 [2019-11-20 10:53:54,876 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-11-20 10:53:55,294 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-11-20 10:53:55,611 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-11-20 10:53:56,114 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 129 [2019-11-20 10:53:56,477 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-11-20 10:53:56,849 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-11-20 10:53:57,276 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 74 [2019-11-20 10:53:58,125 WARN L191 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 148 [2019-11-20 10:53:58,769 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-20 10:53:59,191 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 70 [2019-11-20 10:53:59,682 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-11-20 10:54:00,321 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-11-20 10:54:00,737 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 76 [2019-11-20 10:54:01,107 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-20 10:54:01,784 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-20 10:54:01,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:01,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 34 states and 87 transitions. [2019-11-20 10:54:01,869 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 87 transitions. [2019-11-20 10:54:01,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 10:54:01,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:54:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:54:10,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:54:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:54:10,993 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2019-11-20 10:54:11,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 10:54:11 ImpRootNode [2019-11-20 10:54:11,088 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 10:54:11,088 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:54:11,088 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:54:11,089 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:54:11,089 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:53:16" (3/4) ... [2019-11-20 10:54:11,093 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 10:54:11,223 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_587cd7f6-447b-4822-a6f3-864db9c7a603/bin/ukojak/witness.graphml [2019-11-20 10:54:11,223 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:54:11,224 INFO L168 Benchmark]: Toolchain (without parser) took 56637.83 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 709.4 MB). Free memory was 940.7 MB in the beginning and 778.7 MB in the end (delta: 161.9 MB). Peak memory consumption was 871.3 MB. Max. memory is 11.5 GB. [2019-11-20 10:54:11,224 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:54:11,225 INFO L168 Benchmark]: CACSL2BoogieTranslator took 427.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -169.1 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2019-11-20 10:54:11,225 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.22 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-11-20 10:54:11,225 INFO L168 Benchmark]: Boogie Preprocessor took 37.76 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:54:11,226 INFO L168 Benchmark]: RCFGBuilder took 1506.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 938.9 MB in the end (delta: 165.6 MB). Peak memory consumption was 165.6 MB. Max. memory is 11.5 GB. [2019-11-20 10:54:11,226 INFO L168 Benchmark]: CodeCheck took 54481.13 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 585.1 MB). Free memory was 938.9 MB in the beginning and 803.1 MB in the end (delta: 135.8 MB). Peak memory consumption was 720.9 MB. Max. memory is 11.5 GB. [2019-11-20 10:54:11,226 INFO L168 Benchmark]: Witness Printer took 134.82 ms. Allocated memory is still 1.7 GB. Free memory was 803.1 MB in the beginning and 778.7 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:54:11,228 INFO L335 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, 7 locations, 1 error locations. Result: UNSAFE, OverallTime: 54.3s, OverallIterations: 7, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 352 SDtfs, 472 SDslu, 708 SDs, 0 SdLazy, 1838 SolverSat, 418 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 734 GetRequests, 595 SyntacticMatches, 25 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6124 ImplicationChecksByTransitivity, 40.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 7.5s SatisfiabilityAnalysisTime, 13.3s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 139113 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 0/65 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 352]: 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] 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 ; [L196] void (*nodes[3])(void) = { & node1, & node2, & node3}; [L296] int c1 ; [L297] int i2 ; [L300] c1 = 0 [L301] r1 = __VERIFIER_nondet_char() [L302] id1 = __VERIFIER_nondet_char() [L303] st1 = __VERIFIER_nondet_char() [L304] send1 = __VERIFIER_nondet_char() [L305] mode1 = __VERIFIER_nondet_bool() [L306] alive1 = __VERIFIER_nondet_bool() [L307] id2 = __VERIFIER_nondet_char() [L308] st2 = __VERIFIER_nondet_char() [L309] send2 = __VERIFIER_nondet_char() [L310] mode2 = __VERIFIER_nondet_bool() [L311] alive2 = __VERIFIER_nondet_bool() [L312] id3 = __VERIFIER_nondet_char() [L313] st3 = __VERIFIER_nondet_char() [L314] send3 = __VERIFIER_nondet_char() [L315] mode3 = __VERIFIER_nondet_bool() [L316] alive3 = __VERIFIER_nondet_bool() [L199] int tmp ; [L202] COND TRUE (int )r1 == 0 [L203] COND TRUE ((int )alive1 + (int )alive2) + (int )alive3 >= 1 [L204] COND TRUE (int )id1 >= 0 [L205] COND TRUE (int )st1 == 0 [L206] COND TRUE (int )send1 == (int )id1 [L207] COND TRUE (int )mode1 == 0 [L208] COND TRUE (int )id2 >= 0 [L209] COND TRUE (int )st2 == 0 [L210] COND TRUE (int )send2 == (int )id2 [L211] COND TRUE (int )mode2 == 0 [L212] COND TRUE (int )id3 >= 0 [L213] COND TRUE (int )st3 == 0 [L214] COND TRUE (int )send3 == (int )id3 [L215] COND TRUE (int )mode3 == 0 [L216] COND TRUE (int )id1 != (int )id2 [L217] COND TRUE (int )id1 != (int )id3 [L218] COND TRUE (int )id2 != (int )id3 [L219] tmp = 1 [L271] return (tmp); [L317] i2 = init() [L319] p1_old = nomsg [L320] p1_new = nomsg [L321] p2_old = nomsg [L322] p2_new = nomsg [L323] p3_old = nomsg [L324] p3_new = nomsg [L325] i2 = 0 VAL [alive1=0, alive2=1, alive3=0, id1=1, id2=0, id3=127, 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=1, send2=0, send3=127, st1=0, st2=0, st3=0] [L326] COND TRUE i2 < 6 [L98] msg_t m1 ; [L101] m1 = nomsg [L102] COND FALSE !(\read(mode1)) [L120] COND FALSE !(\read(alive1)) [L123] mode1 = (_Bool)1 [L130] msg_t m2 ; [L133] m2 = nomsg [L134] COND FALSE !(\read(mode2)) [L151] COND TRUE \read(alive2) [L152] EXPR send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L152] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L157] mode2 = (_Bool)1 [L164] msg_t m3 ; [L167] m3 = nomsg [L168] COND FALSE !(\read(mode3)) [L185] COND FALSE !(\read(alive3)) [L188] COND FALSE !((int )send3 != (int )id3) [L191] mode3 = (_Bool)1 [L331] p1_old = p1_new [L332] p1_new = nomsg [L333] p2_old = p2_new [L334] p2_new = nomsg [L335] p3_old = p3_new [L336] p3_new = nomsg [L276] int tmp ; [L279] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L280] COND TRUE (int )r1 < 3 [L281] tmp = 1 [L291] return (tmp); [L337] c1 = check() [L350] COND FALSE !(! arg) VAL [alive1=0, alive2=1, alive3=0, id1=1, id2=0, id3=127, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=0, p3=0, p3_new=-1, p3_old=-1, r1=0, send1=1, send2=0, send3=127, st1=0, st2=0, st3=0] [L339] i2 ++ VAL [alive1=0, alive2=1, alive3=0, id1=1, id2=0, id3=127, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=0, p3=0, p3_new=-1, p3_old=-1, r1=0, send1=1, send2=0, send3=127, st1=0, st2=0, st3=0] [L326] COND TRUE i2 < 6 [L98] msg_t m1 ; [L101] m1 = nomsg [L102] COND TRUE \read(mode1) [L103] r1 = (char )((int )r1 + 1) [L104] m1 = p3_old [L105] p3_old = nomsg [L106] COND FALSE !((int )m1 != (int )nomsg) [L118] mode1 = (_Bool)0 [L130] msg_t m2 ; [L133] m2 = nomsg [L134] COND TRUE \read(mode2) [L135] m2 = p1_old [L136] p1_old = nomsg [L137] COND FALSE !((int )m2 != (int )nomsg) [L149] mode2 = (_Bool)0 [L164] msg_t m3 ; [L167] m3 = nomsg [L168] COND TRUE \read(mode3) [L169] m3 = p2_old [L170] p2_old = nomsg [L171] COND TRUE (int )m3 != (int )nomsg [L172] COND FALSE !(\read(alive3)) [L180] send3 = m3 [L183] mode3 = (_Bool)0 [L331] p1_old = p1_new [L332] p1_new = nomsg [L333] p2_old = p2_new [L334] p2_new = nomsg [L335] p3_old = p3_new [L336] p3_new = nomsg [L276] int tmp ; [L279] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L280] COND TRUE (int )r1 < 3 [L281] tmp = 1 [L291] return (tmp); [L337] c1 = check() [L350] COND FALSE !(! arg) VAL [alive1=0, alive2=1, alive3=0, id1=1, id2=0, id3=127, 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=1, send2=0, send3=0, st1=0, st2=0, st3=0] [L339] i2 ++ VAL [alive1=0, alive2=1, alive3=0, id1=1, id2=0, id3=127, 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=1, send2=0, send3=0, st1=0, st2=0, st3=0] [L326] COND TRUE i2 < 6 [L98] msg_t m1 ; [L101] m1 = nomsg [L102] COND FALSE !(\read(mode1)) [L120] COND FALSE !(\read(alive1)) [L123] mode1 = (_Bool)1 [L130] msg_t m2 ; [L133] m2 = nomsg [L134] COND FALSE !(\read(mode2)) [L151] COND TRUE \read(alive2) [L152] EXPR send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L152] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L157] mode2 = (_Bool)1 [L164] msg_t m3 ; [L167] m3 = nomsg [L168] COND FALSE !(\read(mode3)) [L185] COND FALSE !(\read(alive3)) [L188] COND TRUE (int )send3 != (int )id3 [L189] EXPR send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L189] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L191] mode3 = (_Bool)1 [L331] p1_old = p1_new [L332] p1_new = nomsg [L333] p2_old = p2_new [L334] p2_new = nomsg [L335] p3_old = p3_new [L336] p3_new = nomsg [L276] int tmp ; [L279] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L280] COND TRUE (int )r1 < 3 [L281] tmp = 1 [L291] return (tmp); [L337] c1 = check() [L350] COND FALSE !(! arg) VAL [alive1=0, alive2=1, alive3=0, id1=1, id2=0, id3=127, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=0, p3=0, p3_new=-1, p3_old=0, r1=1, send1=1, send2=0, send3=0, st1=0, st2=0, st3=0] [L339] i2 ++ VAL [alive1=0, alive2=1, alive3=0, id1=1, id2=0, id3=127, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=0, p3=0, p3_new=-1, p3_old=0, r1=1, send1=1, send2=0, send3=0, st1=0, st2=0, st3=0] [L326] COND TRUE i2 < 6 [L98] msg_t m1 ; [L101] m1 = nomsg [L102] COND TRUE \read(mode1) [L103] r1 = (char )((int )r1 + 1) [L104] m1 = p3_old [L105] p3_old = nomsg [L106] COND TRUE (int )m1 != (int )nomsg [L107] COND FALSE !(\read(alive1)) [L115] send1 = m1 [L118] mode1 = (_Bool)0 [L130] msg_t m2 ; [L133] m2 = nomsg [L134] COND TRUE \read(mode2) [L135] m2 = p1_old [L136] p1_old = nomsg [L137] COND FALSE !((int )m2 != (int )nomsg) [L149] mode2 = (_Bool)0 [L164] msg_t m3 ; [L167] m3 = nomsg [L168] COND TRUE \read(mode3) [L169] m3 = p2_old [L170] p2_old = nomsg [L171] COND TRUE (int )m3 != (int )nomsg [L172] COND FALSE !(\read(alive3)) [L180] send3 = m3 [L183] mode3 = (_Bool)0 [L331] p1_old = p1_new [L332] p1_new = nomsg [L333] p2_old = p2_new [L334] p2_new = nomsg [L335] p3_old = p3_new [L336] p3_new = nomsg [L276] int tmp ; [L279] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L280] COND TRUE (int )r1 < 3 [L281] tmp = 1 [L291] return (tmp); [L337] c1 = check() [L350] COND FALSE !(! arg) VAL [alive1=0, alive2=1, alive3=0, id1=1, id2=0, id3=127, 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=0, send2=0, send3=0, st1=0, st2=0, st3=0] [L339] i2 ++ VAL [alive1=0, alive2=1, alive3=0, id1=1, id2=0, id3=127, 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=0, send2=0, send3=0, st1=0, st2=0, st3=0] [L326] COND TRUE i2 < 6 [L98] msg_t m1 ; [L101] m1 = nomsg [L102] COND FALSE !(\read(mode1)) [L120] COND FALSE !(\read(alive1)) [L123] mode1 = (_Bool)1 [L130] msg_t m2 ; [L133] m2 = nomsg [L134] COND FALSE !(\read(mode2)) [L151] COND TRUE \read(alive2) [L152] EXPR send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L152] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L157] mode2 = (_Bool)1 [L164] msg_t m3 ; [L167] m3 = nomsg [L168] COND FALSE !(\read(mode3)) [L185] COND FALSE !(\read(alive3)) [L188] COND TRUE (int )send3 != (int )id3 [L189] EXPR send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L189] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L191] mode3 = (_Bool)1 [L331] p1_old = p1_new [L332] p1_new = nomsg [L333] p2_old = p2_new [L334] p2_new = nomsg [L335] p3_old = p3_new [L336] p3_new = nomsg [L276] int tmp ; [L279] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L280] COND TRUE (int )r1 < 3 [L281] tmp = 1 [L291] return (tmp); [L337] c1 = check() [L350] COND FALSE !(! arg) VAL [alive1=0, alive2=1, alive3=0, id1=1, id2=0, id3=127, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=0, p3=0, p3_new=-1, p3_old=0, r1=2, send1=0, send2=0, send3=0, st1=0, st2=0, st3=0] [L339] i2 ++ VAL [alive1=0, alive2=1, alive3=0, id1=1, id2=0, id3=127, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=0, p3=0, p3_new=-1, p3_old=0, r1=2, send1=0, send2=0, send3=0, st1=0, st2=0, st3=0] [L326] COND TRUE i2 < 6 [L98] msg_t m1 ; [L101] m1 = nomsg [L102] COND TRUE \read(mode1) [L103] r1 = (char )((int )r1 + 1) [L104] m1 = p3_old [L105] p3_old = nomsg [L106] COND TRUE (int )m1 != (int )nomsg [L107] COND FALSE !(\read(alive1)) [L115] send1 = m1 [L118] mode1 = (_Bool)0 [L130] msg_t m2 ; [L133] m2 = nomsg [L134] COND TRUE \read(mode2) [L135] m2 = p1_old [L136] p1_old = nomsg [L137] COND FALSE !((int )m2 != (int )nomsg) [L149] mode2 = (_Bool)0 [L164] msg_t m3 ; [L167] m3 = nomsg [L168] COND TRUE \read(mode3) [L169] m3 = p2_old [L170] p2_old = nomsg [L171] COND TRUE (int )m3 != (int )nomsg [L172] COND FALSE !(\read(alive3)) [L180] send3 = m3 [L183] mode3 = (_Bool)0 [L331] p1_old = p1_new [L332] p1_new = nomsg [L333] p2_old = p2_new [L334] p2_new = nomsg [L335] p3_old = p3_new [L336] p3_new = nomsg [L276] int tmp ; [L279] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L280] COND FALSE !((int )r1 < 3) [L283] COND FALSE !(((int )st1 + (int )st2) + (int )st3 == 1) [L286] tmp = 0 [L291] return (tmp); [L337] c1 = check() [L350] COND TRUE ! arg VAL [alive1=0, alive2=1, alive3=0, id1=1, id2=0, id3=127, 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=0, send2=0, send3=0, st1=0, st2=0, st3=0] [L352] __VERIFIER_error() VAL [alive1=0, alive2=1, alive3=0, id1=1, id2=0, id3=127, 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=0, send2=0, send3=0, st1=0, st2=0, st3=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 427.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -169.1 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.22 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.76 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1506.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 938.9 MB in the end (delta: 165.6 MB). Peak memory consumption was 165.6 MB. Max. memory is 11.5 GB. * CodeCheck took 54481.13 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 585.1 MB). Free memory was 938.9 MB in the beginning and 803.1 MB in the end (delta: 135.8 MB). Peak memory consumption was 720.9 MB. Max. memory is 11.5 GB. * Witness Printer took 134.82 ms. Allocated memory is still 1.7 GB. Free memory was 803.1 MB in the beginning and 778.7 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...