./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3_false-unreach-call.2.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f4f44347-5f99-49dd-aca8-a4708b9ae576/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f4f44347-5f99-49dd-aca8-a4708b9ae576/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f4f44347-5f99-49dd-aca8-a4708b9ae576/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f4f44347-5f99-49dd-aca8-a4708b9ae576/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3_false-unreach-call.2.ufo.UNBOUNDED.pals.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f4f44347-5f99-49dd-aca8-a4708b9ae576/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f4f44347-5f99-49dd-aca8-a4708b9ae576/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 d52e74df0654e1f032e9591db582096a56c19f5c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:59:51,222 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:59:51,223 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:59:51,229 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:59:51,229 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:59:51,230 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:59:51,231 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:59:51,231 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:59:51,232 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:59:51,233 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:59:51,233 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:59:51,234 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:59:51,234 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:59:51,235 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:59:51,236 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:59:51,236 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:59:51,237 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:59:51,238 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:59:51,239 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:59:51,240 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:59:51,241 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:59:51,241 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:59:51,242 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:59:51,242 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:59:51,242 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:59:51,243 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:59:51,243 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:59:51,244 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:59:51,244 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:59:51,245 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:59:51,245 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:59:51,246 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:59:51,246 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:59:51,246 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:59:51,247 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:59:51,247 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:59:51,248 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f4f44347-5f99-49dd-aca8-a4708b9ae576/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 09:59:51,255 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:59:51,255 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:59:51,255 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:59:51,255 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 09:59:51,256 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:59:51,256 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:59:51,256 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:59:51,256 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:59:51,256 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:59:51,257 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:59:51,257 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:59:51,257 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:59:51,257 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:59:51,257 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:59:51,257 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:59:51,257 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:59:51,257 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:59:51,258 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:59:51,258 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 09:59:51,258 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 09:59:51,258 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:59:51,258 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:59:51,258 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 09:59:51,258 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:59:51,259 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:59:51,259 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:59:51,259 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 09:59:51,259 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:59:51,259 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:59:51,259 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_f4f44347-5f99-49dd-aca8-a4708b9ae576/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 -> d52e74df0654e1f032e9591db582096a56c19f5c [2018-11-18 09:59:51,283 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:59:51,292 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:59:51,294 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:59:51,296 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:59:51,296 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:59:51,296 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f4f44347-5f99-49dd-aca8-a4708b9ae576/bin-2019/ukojak/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3_false-unreach-call.2.ufo.UNBOUNDED.pals.c [2018-11-18 09:59:51,336 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f4f44347-5f99-49dd-aca8-a4708b9ae576/bin-2019/ukojak/data/8bad80ccb/aad7bdb95b71403b87620aab4f837be0/FLAGff81f0fa3 [2018-11-18 09:59:51,766 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:59:51,766 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f4f44347-5f99-49dd-aca8-a4708b9ae576/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3_false-unreach-call.2.ufo.UNBOUNDED.pals.c [2018-11-18 09:59:51,773 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f4f44347-5f99-49dd-aca8-a4708b9ae576/bin-2019/ukojak/data/8bad80ccb/aad7bdb95b71403b87620aab4f837be0/FLAGff81f0fa3 [2018-11-18 09:59:51,783 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f4f44347-5f99-49dd-aca8-a4708b9ae576/bin-2019/ukojak/data/8bad80ccb/aad7bdb95b71403b87620aab4f837be0 [2018-11-18 09:59:51,785 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:59:51,786 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:59:51,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:59:51,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:59:51,789 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:59:51,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:59:51" (1/1) ... [2018-11-18 09:59:51,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d5a4160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:59:51, skipping insertion in model container [2018-11-18 09:59:51,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:59:51" (1/1) ... [2018-11-18 09:59:51,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:59:51,819 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:59:51,960 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:59:51,970 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:59:52,000 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:59:52,050 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:59:52,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:59:52 WrapperNode [2018-11-18 09:59:52,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:59:52,051 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:59:52,051 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:59:52,051 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:59:52,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:59:52" (1/1) ... [2018-11-18 09:59:52,061 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:59:52" (1/1) ... [2018-11-18 09:59:52,077 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:59:52,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:59:52,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:59:52,077 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:59:52,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:59:52" (1/1) ... [2018-11-18 09:59:52,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:59:52" (1/1) ... [2018-11-18 09:59:52,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:59:52" (1/1) ... [2018-11-18 09:59:52,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:59:52" (1/1) ... [2018-11-18 09:59:52,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:59:52" (1/1) ... [2018-11-18 09:59:52,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:59:52" (1/1) ... [2018-11-18 09:59:52,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:59:52" (1/1) ... [2018-11-18 09:59:52,099 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:59:52,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:59:52,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:59:52,099 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:59:52,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:59:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f4f44347-5f99-49dd-aca8-a4708b9ae576/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 09:59:52,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:59:52,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:59:53,035 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:59:53,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:59:53 BoogieIcfgContainer [2018-11-18 09:59:53,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:59:53,036 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 09:59:53,036 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 09:59:53,045 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 09:59:53,046 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:59:53" (1/1) ... [2018-11-18 09:59:53,054 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:59:53,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:59:53,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-18 09:59:53,084 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-18 09:59:53,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 09:59:53,087 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:59:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:59:53,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:59:53,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:59:53,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2018-11-18 09:59:53,465 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2018-11-18 09:59:53,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 09:59:53,465 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:59:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:59:53,823 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 61 [2018-11-18 09:59:53,986 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 57 [2018-11-18 09:59:54,076 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:59:54,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:59:54,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2018-11-18 09:59:54,685 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2018-11-18 09:59:54,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 09:59:54,685 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:59:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:59:55,064 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:59:56,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:59:56,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2018-11-18 09:59:56,378 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2018-11-18 09:59:56,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 09:59:56,380 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:59:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:59:57,560 WARN L180 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 73 [2018-11-18 09:59:59,355 WARN L180 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 369 DAG size of output: 141 [2018-11-18 10:00:01,104 WARN L180 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 367 DAG size of output: 139 [2018-11-18 10:00:02,534 WARN L180 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 335 DAG size of output: 157 [2018-11-18 10:00:03,986 WARN L180 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 333 DAG size of output: 155 [2018-11-18 10:00:05,127 WARN L180 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 130 [2018-11-18 10:00:06,246 WARN L180 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 130 [2018-11-18 10:00:06,257 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:00:06,892 WARN L180 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 134 [2018-11-18 10:00:07,319 WARN L180 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 124 [2018-11-18 10:00:07,614 WARN L180 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 136 [2018-11-18 10:00:07,799 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-11-18 10:00:08,008 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-11-18 10:00:08,347 WARN L180 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 132 [2018-11-18 10:00:08,773 WARN L180 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 122 [2018-11-18 10:00:09,104 WARN L180 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 134 [2018-11-18 10:00:09,306 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2018-11-18 10:00:09,506 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-11-18 10:00:09,868 WARN L180 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 143 [2018-11-18 10:00:10,226 WARN L180 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 140 [2018-11-18 10:00:10,562 WARN L180 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 147 [2018-11-18 10:00:10,801 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-11-18 10:00:11,202 WARN L180 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 148 [2018-11-18 10:00:11,583 WARN L180 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 141 [2018-11-18 10:00:11,962 WARN L180 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 138 [2018-11-18 10:00:12,330 WARN L180 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 145 [2018-11-18 10:00:12,583 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-11-18 10:00:12,831 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-11-18 10:00:13,223 WARN L180 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 147 [2018-11-18 10:00:13,618 WARN L180 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 154 [2018-11-18 10:00:13,878 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-11-18 10:00:14,164 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2018-11-18 10:00:14,550 WARN L180 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 145 [2018-11-18 10:00:14,785 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-11-18 10:00:15,141 WARN L180 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 153 [2018-11-18 10:00:15,389 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-11-18 10:00:15,671 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2018-11-18 10:00:16,111 WARN L180 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 146 [2018-11-18 10:00:16,341 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-11-18 10:00:16,559 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-11-18 10:00:16,818 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-11-18 10:00:17,110 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-11-18 10:00:17,443 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2018-11-18 10:00:17,766 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2018-11-18 10:00:17,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:00:17,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 38 states and 76 transitions. [2018-11-18 10:00:17,904 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 76 transitions. [2018-11-18 10:00:17,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 10:00:17,905 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:00:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:00:18,570 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:00:19,177 WARN L180 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 148 [2018-11-18 10:00:19,552 WARN L180 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 155 [2018-11-18 10:00:19,842 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2018-11-18 10:00:20,178 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-11-18 10:00:20,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:00:20,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 40 states and 79 transitions. [2018-11-18 10:00:20,263 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 79 transitions. [2018-11-18 10:00:20,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 10:00:20,264 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:00:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:00:21,226 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:00:21,762 WARN L180 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 142 [2018-11-18 10:00:22,245 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-11-18 10:00:22,771 WARN L180 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 140 [2018-11-18 10:00:23,236 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-11-18 10:00:23,756 WARN L180 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 142 [2018-11-18 10:00:23,911 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 73 [2018-11-18 10:00:24,269 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-11-18 10:00:24,809 WARN L180 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 147 [2018-11-18 10:00:25,280 WARN L180 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 149 [2018-11-18 10:00:25,621 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-11-18 10:00:25,967 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-11-18 10:00:26,403 WARN L180 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 146 [2018-11-18 10:00:26,859 WARN L180 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 151 [2018-11-18 10:00:27,168 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-11-18 10:00:27,470 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2018-11-18 10:00:28,199 WARN L180 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 163 [2018-11-18 10:00:28,696 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2018-11-18 10:00:29,284 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2018-11-18 10:00:29,791 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2018-11-18 10:00:30,242 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2018-11-18 10:00:30,776 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2018-11-18 10:00:30,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:00:30,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 52 states and 115 transitions. [2018-11-18 10:00:30,865 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 115 transitions. [2018-11-18 10:00:30,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 10:00:30,865 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:00:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:00:31,087 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:00:31,768 WARN L180 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 144 [2018-11-18 10:00:32,241 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-11-18 10:00:33,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:00:33,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 57 states and 124 transitions. [2018-11-18 10:00:33,356 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 124 transitions. [2018-11-18 10:00:33,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 10:00:33,357 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:00:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:00:34,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:00:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:00:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:00:35,801 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2018-11-18 10:00:35,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 10:00:35 ImpRootNode [2018-11-18 10:00:35,853 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 10:00:35,853 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:00:35,853 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:00:35,853 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:00:35,854 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:59:53" (3/4) ... [2018-11-18 10:00:35,856 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 10:00:35,939 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f4f44347-5f99-49dd-aca8-a4708b9ae576/bin-2019/ukojak/witness.graphml [2018-11-18 10:00:35,939 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:00:35,940 INFO L168 Benchmark]: Toolchain (without parser) took 44154.50 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 570.4 MB). Free memory was 961.9 MB in the beginning and 1.1 GB in the end (delta: -164.8 MB). Peak memory consumption was 405.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:00:35,940 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:00:35,940 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 961.9 MB in the beginning and 1.1 GB in the end (delta: -165.8 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:00:35,941 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:00:35,941 INFO L168 Benchmark]: Boogie Preprocessor took 21.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:00:35,941 INFO L168 Benchmark]: RCFGBuilder took 936.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 966.3 MB in the end (delta: 158.7 MB). Peak memory consumption was 158.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:00:35,941 INFO L168 Benchmark]: CodeCheck took 42816.76 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 439.9 MB). Free memory was 966.3 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 264.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:00:35,942 INFO L168 Benchmark]: Witness Printer took 85.93 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:00:35,943 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, 77 locations, 1 error locations. UNSAFE Result, 42.7s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 192 SDtfs, 1616 SDslu, 2860 SDs, 0 SdLazy, 4718 SolverSat, 1046 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1241 GetRequests, 1045 SyntacticMatches, 40 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11394 ImplicationChecksByTransitivity, 36.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 11.9s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 184484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 10/127 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: 354]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L71] unsigned char r1 ; [L73] char p1_old ; [L74] char p1_new ; [L75] char id1 ; [L76] char st1 ; [L78] _Bool mode1 ; [L79] _Bool alive1 ; [L81] char p2_old ; [L82] char p2_new ; [L83] char id2 ; [L84] char st2 ; [L86] _Bool mode2 ; [L87] _Bool alive2 ; [L89] char p3_old ; [L90] char p3_new ; [L91] char id3 ; [L92] char st3 ; [L94] _Bool mode3 ; [L95] _Bool alive3 ; [L70] msg_t nomsg = (msg_t )-1; [L72] port_t p1 ; [L77] msg_t send1 ; [L80] port_t p2 ; [L85] msg_t send2 ; [L88] port_t p3 ; [L93] msg_t send3 ; [L199] void (*nodes[3])(void) = { & node1, & node2, & node3}; [L299] int c1 ; [L300] int i2 ; [L303] c1 = 0 [L304] r1 = __VERIFIER_nondet_uchar() [L305] id1 = __VERIFIER_nondet_char() [L306] st1 = __VERIFIER_nondet_char() [L307] send1 = __VERIFIER_nondet_char() [L308] mode1 = __VERIFIER_nondet_bool() [L309] alive1 = __VERIFIER_nondet_bool() [L310] id2 = __VERIFIER_nondet_char() [L311] st2 = __VERIFIER_nondet_char() [L312] send2 = __VERIFIER_nondet_char() [L313] mode2 = __VERIFIER_nondet_bool() [L314] alive2 = __VERIFIER_nondet_bool() [L315] id3 = __VERIFIER_nondet_char() [L316] st3 = __VERIFIER_nondet_char() [L317] send3 = __VERIFIER_nondet_char() [L318] mode3 = __VERIFIER_nondet_bool() [L319] alive3 = __VERIFIER_nondet_bool() [L320] CALL, EXPR init() [L202] int tmp ; [L205] COND TRUE (int )r1 == 0 [L206] COND TRUE ((int )alive1 + (int )alive2) + (int )alive3 >= 1 [L207] COND TRUE (int )id1 >= 0 [L208] COND TRUE (int )st1 == 0 [L209] COND TRUE (int )send1 == (int )id1 [L210] COND TRUE (int )mode1 == 0 [L211] COND TRUE (int )id2 >= 0 [L212] COND TRUE (int )st2 == 0 [L213] COND TRUE (int )send2 == (int )id2 [L214] COND TRUE (int )mode2 == 0 [L215] COND TRUE (int )id3 >= 0 [L216] COND TRUE (int )st3 == 0 [L217] COND TRUE (int )send3 == (int )id3 [L218] COND TRUE (int )mode3 == 0 [L219] COND TRUE (int )id1 != (int )id2 [L220] COND TRUE (int )id1 != (int )id3 [L221] COND TRUE (int )id2 != (int )id3 [L222] tmp = 1 [L274] RET return (tmp); [L320] EXPR init() [L320] i2 = init() [L322] p1_old = nomsg [L323] p1_new = nomsg [L324] p2_old = nomsg [L325] p2_new = nomsg [L326] p3_old = nomsg [L327] p3_new = nomsg [L328] i2 = 0 VAL [alive1=0, alive2=1, alive3=0, id1=0, 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=0, send2=2, send3=1, st1=0, st2=0, st3=0] [L329] COND TRUE 1 [L331] CALL node1() [L98] msg_t m1 ; [L101] m1 = nomsg [L102] COND FALSE !(\read(mode1)) [L123] COND FALSE !(\read(alive1)) [L126] RET mode1 = (_Bool)1 [L331] node1() [L332] CALL node2() [L133] msg_t m2 ; [L136] m2 = nomsg [L137] COND FALSE !(\read(mode2)) [L154] COND TRUE \read(alive2) [L155] COND TRUE, EXPR send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L155] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L160] RET mode2 = (_Bool)1 [L332] node2() [L333] CALL node3() [L167] msg_t m3 ; [L170] m3 = nomsg [L171] COND FALSE !(\read(mode3)) [L188] COND FALSE !(\read(alive3)) [L191] COND FALSE !((int )send3 != (int )id3) [L194] RET mode3 = (_Bool)1 [L333] node3() [L334] p1_old = p1_new [L335] p1_new = nomsg [L336] p2_old = p2_new [L337] p2_new = nomsg [L338] p3_old = p3_new [L339] p3_new = nomsg [L340] CALL, EXPR check() [L279] int tmp ; [L282] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L283] COND TRUE (int )r1 < 3 [L284] tmp = 1 [L294] RET return (tmp); [L340] EXPR check() [L340] c1 = check() [L341] CALL assert(c1) [L352] COND FALSE, RET !(! arg) VAL [alive1=0, alive2=1, alive3=0, id1=0, id2=2, id3=1, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=2, p3=0, p3_new=-1, p3_old=-1, r1=0, send1=0, send2=2, send3=1, st1=0, st2=0, st3=0] [L341] assert(c1) [L329] COND TRUE 1 [L331] CALL node1() [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) [L121] RET mode1 = (_Bool)0 [L331] node1() [L332] CALL node2() [L133] msg_t m2 ; [L136] m2 = nomsg [L137] COND TRUE \read(mode2) [L138] m2 = p1_old [L139] p1_old = nomsg [L140] COND FALSE !((int )m2 != (int )nomsg) [L152] RET mode2 = (_Bool)0 [L332] node2() [L333] CALL node3() [L167] msg_t m3 ; [L170] m3 = nomsg [L171] COND TRUE \read(mode3) [L172] m3 = p2_old [L173] p2_old = nomsg [L174] COND TRUE (int )m3 != (int )nomsg [L175] COND FALSE !(\read(alive3)) [L183] send3 = m3 [L186] RET mode3 = (_Bool)0 [L333] node3() [L334] p1_old = p1_new [L335] p1_new = nomsg [L336] p2_old = p2_new [L337] p2_new = nomsg [L338] p3_old = p3_new [L339] p3_new = nomsg [L340] CALL, EXPR check() [L279] int tmp ; [L282] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L283] COND TRUE (int )r1 < 3 [L284] tmp = 1 [L294] RET return (tmp); [L340] EXPR check() [L340] c1 = check() [L341] CALL assert(c1) [L352] COND FALSE, RET !(! arg) VAL [alive1=0, alive2=1, alive3=0, id1=0, 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=0, send2=2, send3=2, st1=0, st2=0, st3=0] [L341] assert(c1) [L329] COND TRUE 1 [L331] CALL node1() [L98] msg_t m1 ; [L101] m1 = nomsg [L102] COND FALSE !(\read(mode1)) [L123] COND FALSE !(\read(alive1)) [L126] RET mode1 = (_Bool)1 [L331] node1() [L332] CALL node2() [L133] msg_t m2 ; [L136] m2 = nomsg [L137] COND FALSE !(\read(mode2)) [L154] COND TRUE \read(alive2) [L155] COND TRUE, EXPR send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L155] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L160] RET mode2 = (_Bool)1 [L332] node2() [L333] CALL node3() [L167] msg_t m3 ; [L170] m3 = nomsg [L171] COND FALSE !(\read(mode3)) [L188] COND FALSE !(\read(alive3)) [L191] COND TRUE (int )send3 != (int )id3 [L192] COND TRUE, EXPR send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L192] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L194] RET mode3 = (_Bool)1 [L333] node3() [L334] p1_old = p1_new [L335] p1_new = nomsg [L336] p2_old = p2_new [L337] p2_new = nomsg [L338] p3_old = p3_new [L339] p3_new = nomsg [L340] CALL, EXPR check() [L279] int tmp ; [L282] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L283] COND TRUE (int )r1 < 3 [L284] tmp = 1 [L294] RET return (tmp); [L340] EXPR check() [L340] c1 = check() [L341] CALL assert(c1) [L352] COND FALSE, RET !(! arg) VAL [alive1=0, alive2=1, alive3=0, id1=0, id2=2, id3=1, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=2, p3=0, p3_new=-1, p3_old=2, r1=1, send1=0, send2=2, send3=2, st1=0, st2=0, st3=0] [L341] assert(c1) [L329] COND TRUE 1 [L331] CALL node1() [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 FALSE !(\read(alive1)) [L118] send1 = m1 [L121] RET mode1 = (_Bool)0 [L331] node1() [L332] CALL node2() [L133] msg_t m2 ; [L136] m2 = nomsg [L137] COND TRUE \read(mode2) [L138] m2 = p1_old [L139] p1_old = nomsg [L140] COND FALSE !((int )m2 != (int )nomsg) [L152] RET mode2 = (_Bool)0 [L332] node2() [L333] CALL node3() [L167] msg_t m3 ; [L170] m3 = nomsg [L171] COND TRUE \read(mode3) [L172] m3 = p2_old [L173] p2_old = nomsg [L174] COND TRUE (int )m3 != (int )nomsg [L175] COND FALSE !(\read(alive3)) [L183] send3 = m3 [L186] RET mode3 = (_Bool)0 [L333] node3() [L334] p1_old = p1_new [L335] p1_new = nomsg [L336] p2_old = p2_new [L337] p2_new = nomsg [L338] p3_old = p3_new [L339] p3_new = nomsg [L340] CALL, EXPR check() [L279] int tmp ; [L282] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L283] COND TRUE (int )r1 < 3 [L284] tmp = 1 [L294] RET return (tmp); [L340] EXPR check() [L340] c1 = check() [L341] CALL assert(c1) [L352] COND FALSE, RET !(! arg) VAL [alive1=0, alive2=1, alive3=0, id1=0, 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=2, send3=2, st1=0, st2=0, st3=0] [L341] assert(c1) [L329] COND TRUE 1 [L331] CALL node1() [L98] msg_t m1 ; [L101] m1 = nomsg [L102] COND FALSE !(\read(mode1)) [L123] COND FALSE !(\read(alive1)) [L126] RET mode1 = (_Bool)1 [L331] node1() [L332] CALL node2() [L133] msg_t m2 ; [L136] m2 = nomsg [L137] COND FALSE !(\read(mode2)) [L154] COND TRUE \read(alive2) [L155] COND TRUE, EXPR send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L155] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L160] RET mode2 = (_Bool)1 [L332] node2() [L333] CALL node3() [L167] msg_t m3 ; [L170] m3 = nomsg [L171] COND FALSE !(\read(mode3)) [L188] COND FALSE !(\read(alive3)) [L191] COND TRUE (int )send3 != (int )id3 [L192] COND TRUE, EXPR send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L192] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L194] RET mode3 = (_Bool)1 [L333] node3() [L334] p1_old = p1_new [L335] p1_new = nomsg [L336] p2_old = p2_new [L337] p2_new = nomsg [L338] p3_old = p3_new [L339] p3_new = nomsg [L340] CALL, EXPR check() [L279] int tmp ; [L282] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L283] COND TRUE (int )r1 < 3 [L284] tmp = 1 [L294] RET return (tmp); [L340] EXPR check() [L340] c1 = check() [L341] CALL assert(c1) [L352] COND FALSE, RET !(! arg) VAL [alive1=0, alive2=1, alive3=0, id1=0, id2=2, id3=1, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=2, p3=0, p3_new=-1, p3_old=2, r1=2, send1=2, send2=2, send3=2, st1=0, st2=0, st3=0] [L341] assert(c1) [L329] COND TRUE 1 [L331] CALL node1() [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 FALSE !(\read(alive1)) [L118] send1 = m1 [L121] RET mode1 = (_Bool)0 [L331] node1() [L332] CALL node2() [L133] msg_t m2 ; [L136] m2 = nomsg [L137] COND TRUE \read(mode2) [L138] m2 = p1_old [L139] p1_old = nomsg [L140] COND FALSE !((int )m2 != (int )nomsg) [L152] RET mode2 = (_Bool)0 [L332] node2() [L333] CALL node3() [L167] msg_t m3 ; [L170] m3 = nomsg [L171] COND TRUE \read(mode3) [L172] m3 = p2_old [L173] p2_old = nomsg [L174] COND TRUE (int )m3 != (int )nomsg [L175] COND FALSE !(\read(alive3)) [L183] send3 = m3 [L186] RET mode3 = (_Bool)0 [L333] node3() [L334] p1_old = p1_new [L335] p1_new = nomsg [L336] p2_old = p2_new [L337] p2_new = nomsg [L338] p3_old = p3_new [L339] p3_new = nomsg [L340] CALL, EXPR check() [L279] int tmp ; [L282] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L283] COND FALSE !((int )r1 < 3) [L286] COND FALSE !(((int )st1 + (int )st2) + (int )st3 == 1) [L289] tmp = 0 [L294] RET return (tmp); [L340] EXPR check() [L340] c1 = check() [L341] CALL assert(c1) [L352] COND TRUE ! arg VAL [alive1=0, alive2=1, alive3=0, id1=0, 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=2, send3=2, st1=0, st2=0, st3=0] [L354] __VERIFIER_error() VAL [alive1=0, alive2=1, alive3=0, id1=0, 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=2, send3=2, st1=0, st2=0, st3=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 264.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 961.9 MB in the beginning and 1.1 GB in the end (delta: -165.8 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 936.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 966.3 MB in the end (delta: 158.7 MB). Peak memory consumption was 158.7 MB. Max. memory is 11.5 GB. * CodeCheck took 42816.76 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 439.9 MB). Free memory was 966.3 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 264.8 MB. Max. memory is 11.5 GB. * Witness Printer took 85.93 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...