./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_ab388d94-e224-47bc-9b6d-a85fddd004ab/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ab388d94-e224-47bc-9b6d-a85fddd004ab/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ab388d94-e224-47bc-9b6d-a85fddd004ab/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ab388d94-e224-47bc-9b6d-a85fddd004ab/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_ab388d94-e224-47bc-9b6d-a85fddd004ab/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ab388d94-e224-47bc-9b6d-a85fddd004ab/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 [2018-12-09 09:38:53,239 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 09:38:53,240 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 09:38:53,246 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 09:38:53,246 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 09:38:53,247 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 09:38:53,247 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 09:38:53,248 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 09:38:53,249 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 09:38:53,249 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 09:38:53,249 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 09:38:53,250 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 09:38:53,250 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 09:38:53,250 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 09:38:53,251 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 09:38:53,251 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 09:38:53,252 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 09:38:53,253 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 09:38:53,254 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 09:38:53,254 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 09:38:53,255 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 09:38:53,255 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 09:38:53,256 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 09:38:53,256 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 09:38:53,256 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 09:38:53,257 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 09:38:53,257 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 09:38:53,258 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 09:38:53,258 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 09:38:53,259 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 09:38:53,259 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 09:38:53,259 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 09:38:53,259 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 09:38:53,259 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 09:38:53,260 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 09:38:53,260 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 09:38:53,260 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ab388d94-e224-47bc-9b6d-a85fddd004ab/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 09:38:53,267 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 09:38:53,267 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 09:38:53,268 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 09:38:53,268 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 09:38:53,268 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 09:38:53,268 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 09:38:53,268 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 09:38:53,268 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 09:38:53,268 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 09:38:53,269 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 09:38:53,269 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 09:38:53,269 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 09:38:53,269 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 09:38:53,269 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 09:38:53,269 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 09:38:53,269 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 09:38:53,269 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 09:38:53,269 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 09:38:53,269 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 09:38:53,269 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 09:38:53,269 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 09:38:53,270 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 09:38:53,270 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 09:38:53,270 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 09:38:53,270 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 09:38:53,270 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 09:38:53,270 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 09:38:53,270 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 09:38:53,270 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 09:38:53,270 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_ab388d94-e224-47bc-9b6d-a85fddd004ab/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 [2018-12-09 09:38:53,286 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 09:38:53,293 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 09:38:53,295 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 09:38:53,296 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 09:38:53,296 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 09:38:53,296 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ab388d94-e224-47bc-9b6d-a85fddd004ab/bin-2019/ukojak/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3_false-unreach-call.1.ufo.UNBOUNDED.pals.c [2018-12-09 09:38:53,331 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ab388d94-e224-47bc-9b6d-a85fddd004ab/bin-2019/ukojak/data/e681469d9/02671ba3d043428e9a3ee9f6bfc74206/FLAGa7c55bc48 [2018-12-09 09:38:53,711 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 09:38:53,711 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ab388d94-e224-47bc-9b6d-a85fddd004ab/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3_false-unreach-call.1.ufo.UNBOUNDED.pals.c [2018-12-09 09:38:53,715 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ab388d94-e224-47bc-9b6d-a85fddd004ab/bin-2019/ukojak/data/e681469d9/02671ba3d043428e9a3ee9f6bfc74206/FLAGa7c55bc48 [2018-12-09 09:38:53,723 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ab388d94-e224-47bc-9b6d-a85fddd004ab/bin-2019/ukojak/data/e681469d9/02671ba3d043428e9a3ee9f6bfc74206 [2018-12-09 09:38:53,725 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 09:38:53,726 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 09:38:53,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 09:38:53,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 09:38:53,728 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 09:38:53,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:38:53" (1/1) ... [2018-12-09 09:38:53,730 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 09.12 09:38:53, skipping insertion in model container [2018-12-09 09:38:53,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:38:53" (1/1) ... [2018-12-09 09:38:53,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 09:38:53,750 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 09:38:53,856 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:38:53,861 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 09:38:53,884 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:38:53,924 INFO L195 MainTranslator]: Completed translation [2018-12-09 09:38:53,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:38:53 WrapperNode [2018-12-09 09:38:53,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 09:38:53,925 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 09:38:53,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 09:38:53,925 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 09:38:53,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:38:53" (1/1) ... [2018-12-09 09:38:53,935 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:38:53" (1/1) ... [2018-12-09 09:38:53,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 09:38:53,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 09:38:53,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 09:38:53,952 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 09:38:53,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:38:53" (1/1) ... [2018-12-09 09:38:53,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:38:53" (1/1) ... [2018-12-09 09:38:53,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:38:53" (1/1) ... [2018-12-09 09:38:53,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:38:53" (1/1) ... [2018-12-09 09:38:53,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:38:53" (1/1) ... [2018-12-09 09:38:53,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:38:53" (1/1) ... [2018-12-09 09:38:53,967 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:38:53" (1/1) ... [2018-12-09 09:38:53,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 09:38:53,969 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 09:38:53,969 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 09:38:53,969 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 09:38:53,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:38:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab388d94-e224-47bc-9b6d-a85fddd004ab/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 [2018-12-09 09:38:54,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 09:38:54,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 09:38:54,762 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 09:38:54,762 INFO L280 CfgBuilder]: Removed 17 assue(true) statements. [2018-12-09 09:38:54,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:38:54 BoogieIcfgContainer [2018-12-09 09:38:54,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 09:38:54,763 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 09:38:54,763 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 09:38:54,770 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 09:38:54,770 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:38:54" (1/1) ... [2018-12-09 09:38:54,777 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:38:54,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:38:54,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2018-12-09 09:38:54,801 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-12-09 09:38:54,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-09 09:38:54,803 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:38:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:38:55,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:38:55,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:38:55,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 7 states and 10 transitions. [2018-12-09 09:38:55,095 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 10 transitions. [2018-12-09 09:38:55,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 09:38:55,095 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:38:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:38:55,407 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2018-12-09 09:38:55,540 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 61 [2018-12-09 09:38:55,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:38:56,483 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2018-12-09 09:38:56,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:38:56,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 10 states and 19 transitions. [2018-12-09 09:38:56,543 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 19 transitions. [2018-12-09 09:38:56,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 09:38:56,547 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:38:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:38:56,927 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:38:57,412 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2018-12-09 09:38:57,869 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 69 [2018-12-09 09:38:58,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:38:58,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 14 states and 31 transitions. [2018-12-09 09:38:58,555 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 31 transitions. [2018-12-09 09:38:58,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 09:38:58,556 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:38:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:38:59,230 WARN L180 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 72 [2018-12-09 09:39:00,631 WARN L180 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 229 DAG size of output: 137 [2018-12-09 09:39:01,776 WARN L180 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 233 DAG size of output: 137 [2018-12-09 09:39:02,598 WARN L180 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 133 [2018-12-09 09:39:03,290 WARN L180 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 154 [2018-12-09 09:39:05,388 WARN L180 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 238 DAG size of output: 148 [2018-12-09 09:39:05,409 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:39:05,563 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 67 [2018-12-09 09:39:05,855 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2018-12-09 09:39:06,135 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2018-12-09 09:39:06,788 WARN L180 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 131 [2018-12-09 09:39:07,157 WARN L180 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 131 [2018-12-09 09:39:07,532 WARN L180 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 148 [2018-12-09 09:39:07,729 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-12-09 09:39:08,219 WARN L180 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2018-12-09 09:39:09,082 WARN L180 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 130 [2018-12-09 09:39:09,463 WARN L180 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 131 [2018-12-09 09:39:09,873 WARN L180 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 148 [2018-12-09 09:39:10,090 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-12-09 09:39:10,348 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2018-12-09 09:39:10,710 WARN L180 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 128 [2018-12-09 09:39:11,095 WARN L180 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2018-12-09 09:39:11,498 WARN L180 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 137 [2018-12-09 09:39:12,068 WARN L180 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 127 [2018-12-09 09:39:12,606 WARN L180 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-12-09 09:39:13,176 WARN L180 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 147 [2018-12-09 09:39:13,434 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-12-09 09:39:14,749 WARN L180 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 179 DAG size of output: 176 [2018-12-09 09:39:15,199 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2018-12-09 09:39:15,775 WARN L180 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 176 [2018-12-09 09:39:16,096 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2018-12-09 09:39:16,399 WARN L180 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2018-12-09 09:39:16,795 WARN L180 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2018-12-09 09:39:16,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:39:16,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 20 states and 51 transitions. [2018-12-09 09:39:16,887 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 51 transitions. [2018-12-09 09:39:16,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 09:39:16,887 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:39:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:39:17,177 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:39:17,557 WARN L180 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 126 [2018-12-09 09:39:18,007 WARN L180 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 142 [2018-12-09 09:39:18,409 WARN L180 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2018-12-09 09:39:18,709 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-12-09 09:39:18,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:39:18,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 21 states and 53 transitions. [2018-12-09 09:39:18,794 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 53 transitions. [2018-12-09 09:39:18,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 09:39:18,794 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:39:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:39:19,530 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:39:19,952 WARN L180 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 128 [2018-12-09 09:39:20,252 WARN L180 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 132 [2018-12-09 09:39:20,502 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-12-09 09:39:20,742 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2018-12-09 09:39:21,168 WARN L180 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 147 [2018-12-09 09:39:21,580 WARN L180 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 152 [2018-12-09 09:39:21,873 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2018-12-09 09:39:22,321 WARN L180 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2018-12-09 09:39:22,709 WARN L180 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 139 [2018-12-09 09:39:23,081 WARN L180 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 144 [2018-12-09 09:39:23,377 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2018-12-09 09:39:23,687 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-12-09 09:39:24,607 WARN L180 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 181 [2018-12-09 09:39:25,125 WARN L180 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2018-12-09 09:39:25,822 WARN L180 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2018-12-09 09:39:26,392 WARN L180 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2018-12-09 09:39:26,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:39:26,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 25 states and 69 transitions. [2018-12-09 09:39:26,472 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 69 transitions. [2018-12-09 09:39:26,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 09:39:26,473 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:39:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:39:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:39:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:39:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:39:28,940 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2018-12-09 09:39:28,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 09:39:28 ImpRootNode [2018-12-09 09:39:28,978 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 09:39:28,978 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 09:39:28,979 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 09:39:28,979 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 09:39:28,979 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:38:54" (3/4) ... [2018-12-09 09:39:28,980 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 09:39:29,043 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ab388d94-e224-47bc-9b6d-a85fddd004ab/bin-2019/ukojak/witness.graphml [2018-12-09 09:39:29,043 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 09:39:29,043 INFO L168 Benchmark]: Toolchain (without parser) took 35318.04 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 421.5 MB). Free memory was 952.2 MB in the beginning and 1.4 GB in the end (delta: -401.8 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-12-09 09:39:29,044 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. [2018-12-09 09:39:29,044 INFO L168 Benchmark]: CACSL2BoogieTranslator took 197.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -163.8 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-12-09 09:39:29,044 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 09:39:29,044 INFO L168 Benchmark]: Boogie Preprocessor took 17.20 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:39:29,044 INFO L168 Benchmark]: RCFGBuilder took 793.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 934.2 MB in the end (delta: 176.5 MB). Peak memory consumption was 176.5 MB. Max. memory is 11.5 GB. [2018-12-09 09:39:29,044 INFO L168 Benchmark]: CodeCheck took 34215.72 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 305.7 MB). Free memory was 934.2 MB in the beginning and 1.4 GB in the end (delta: -431.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:39:29,045 INFO L168 Benchmark]: Witness Printer took 64.42 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-12-09 09:39:29,046 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, 34.1s 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, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 660 GetRequests, 531 SyntacticMatches, 17 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5813 ImplicationChecksByTransitivity, 29.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 8.2s 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 197.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -163.8 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.20 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 793.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 934.2 MB in the end (delta: 176.5 MB). Peak memory consumption was 176.5 MB. Max. memory is 11.5 GB. * CodeCheck took 34215.72 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 305.7 MB). Free memory was 934.2 MB in the beginning and 1.4 GB in the end (delta: -431.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 64.42 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...