./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b8c7523d-a610-4cbd-b168-c7973b0afb79/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b8c7523d-a610-4cbd-b168-c7973b0afb79/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b8c7523d-a610-4cbd-b168-c7973b0afb79/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b8c7523d-a610-4cbd-b168-c7973b0afb79/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b8c7523d-a610-4cbd-b168-c7973b0afb79/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b8c7523d-a610-4cbd-b168-c7973b0afb79/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 442cf29d70bb640a2e252f43b8c8b6b04d00bf95 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.2.0-a4ecdab [2020-11-28 04:39:11,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:39:11,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:39:11,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:39:11,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:39:11,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:39:11,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:39:11,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:39:11,646 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:39:11,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:39:11,648 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:39:11,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:39:11,650 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:39:11,651 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:39:11,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:39:11,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:39:11,655 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:39:11,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:39:11,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:39:11,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:39:11,663 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:39:11,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:39:11,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:39:11,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:39:11,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:39:11,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:39:11,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:39:11,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:39:11,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:39:11,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:39:11,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:39:11,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:39:11,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:39:11,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:39:11,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:39:11,679 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:39:11,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:39:11,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:39:11,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:39:11,681 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:39:11,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:39:11,685 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b8c7523d-a610-4cbd-b168-c7973b0afb79/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:39:11,724 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:39:11,725 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:39:11,726 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:39:11,726 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:39:11,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:39:11,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:39:11,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:39:11,728 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:39:11,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:39:11,728 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:39:11,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:39:11,730 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:39:11,730 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:39:11,730 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:39:11,730 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:39:11,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:39:11,731 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:39:11,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:39:11,731 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:39:11,731 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:39:11,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:39:11,732 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:39:11,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:39:11,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:39:11,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:39:11,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:39:11,733 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:39:11,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:39:11,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:39:11,733 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_b8c7523d-a610-4cbd-b168-c7973b0afb79/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b8c7523d-a610-4cbd-b168-c7973b0afb79/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 442cf29d70bb640a2e252f43b8c8b6b04d00bf95 [2020-11-28 04:39:12,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:39:12,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:39:12,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:39:12,053 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:39:12,054 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:39:12,055 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b8c7523d-a610-4cbd-b168-c7973b0afb79/bin/ukojak/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c [2020-11-28 04:39:12,144 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b8c7523d-a610-4cbd-b168-c7973b0afb79/bin/ukojak/data/542f6aa8a/ecb20a4654af4f11ae45869855c3860b/FLAGb8f8fd1c9 [2020-11-28 04:39:12,700 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:39:12,700 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b8c7523d-a610-4cbd-b168-c7973b0afb79/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c [2020-11-28 04:39:12,710 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b8c7523d-a610-4cbd-b168-c7973b0afb79/bin/ukojak/data/542f6aa8a/ecb20a4654af4f11ae45869855c3860b/FLAGb8f8fd1c9 [2020-11-28 04:39:13,041 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b8c7523d-a610-4cbd-b168-c7973b0afb79/bin/ukojak/data/542f6aa8a/ecb20a4654af4f11ae45869855c3860b [2020-11-28 04:39:13,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:39:13,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:39:13,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:13,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:39:13,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:39:13,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:13" (1/1) ... [2020-11-28 04:39:13,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47c5f1a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:13, skipping insertion in model container [2020-11-28 04:39:13,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:13" (1/1) ... [2020-11-28 04:39:13,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:39:13,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:39:13,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:39:13,313 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:39:13,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:39:13,376 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:39:13,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:13 WrapperNode [2020-11-28 04:39:13,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:13,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:39:13,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:39:13,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:39:13,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:13" (1/1) ... [2020-11-28 04:39:13,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:13" (1/1) ... [2020-11-28 04:39:13,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:39:13,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:39:13,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:39:13,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:39:13,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:13" (1/1) ... [2020-11-28 04:39:13,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:13" (1/1) ... [2020-11-28 04:39:13,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:13" (1/1) ... [2020-11-28 04:39:13,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:13" (1/1) ... [2020-11-28 04:39:13,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:13" (1/1) ... [2020-11-28 04:39:13,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:13" (1/1) ... [2020-11-28 04:39:13,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:13" (1/1) ... [2020-11-28 04:39:13,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:39:13,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:39:13,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:39:13,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:39:13,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b8c7523d-a610-4cbd-b168-c7973b0afb79/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:39:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:39:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:39:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:39:13,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:39:15,439 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:39:15,440 INFO L298 CfgBuilder]: Removed 21 assume(true) statements. [2020-11-28 04:39:15,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:15 BoogieIcfgContainer [2020-11-28 04:39:15,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:39:15,444 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:39:15,445 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:39:15,455 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:39:15,455 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:15" (1/1) ... [2020-11-28 04:39:15,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:39:15,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:15,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2020-11-28 04:39:15,509 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2020-11-28 04:39:15,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 04:39:15,511 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:16,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:16,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:16,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 7 states and 10 transitions. [2020-11-28 04:39:16,142 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 10 transitions. [2020-11-28 04:39:16,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:39:16,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:17,035 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 62 [2020-11-28 04:39:17,386 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 68 [2020-11-28 04:39:17,400 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:17,707 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2020-11-28 04:39:17,999 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-11-28 04:39:18,133 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-11-28 04:39:18,574 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-11-28 04:39:18,779 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-11-28 04:39:18,962 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-28 04:39:18,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:19,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 10 states and 17 transitions. [2020-11-28 04:39:19,000 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 17 transitions. [2020-11-28 04:39:19,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 04:39:19,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:19,478 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:19,954 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2020-11-28 04:39:20,502 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-11-28 04:39:20,724 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-11-28 04:39:20,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:20,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 12 states and 23 transitions. [2020-11-28 04:39:20,765 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 23 transitions. [2020-11-28 04:39:20,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 04:39:20,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:22,301 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 74 [2020-11-28 04:39:23,853 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 211 DAG size of output: 160 [2020-11-28 04:39:24,859 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 149 [2020-11-28 04:39:25,744 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 113 [2020-11-28 04:39:26,668 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 106 [2020-11-28 04:39:26,710 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:26,968 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2020-11-28 04:39:27,452 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2020-11-28 04:39:27,621 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-11-28 04:39:28,575 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 160 [2020-11-28 04:39:29,039 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-11-28 04:39:29,730 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 174 [2020-11-28 04:39:30,172 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-11-28 04:39:30,615 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-11-28 04:39:31,355 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 156 [2020-11-28 04:39:32,067 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 170 [2020-11-28 04:39:32,477 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-11-28 04:39:32,986 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-11-28 04:39:33,716 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 149 [2020-11-28 04:39:34,138 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-11-28 04:39:34,824 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 160 [2020-11-28 04:39:35,272 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-11-28 04:39:35,841 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-11-28 04:39:36,386 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 107 [2020-11-28 04:39:36,741 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-11-28 04:39:37,430 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 152 [2020-11-28 04:39:37,746 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-11-28 04:39:38,266 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-11-28 04:39:38,663 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-11-28 04:39:39,106 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2020-11-28 04:39:39,798 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-11-28 04:39:39,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:39,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 18 states and 40 transitions. [2020-11-28 04:39:39,943 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 40 transitions. [2020-11-28 04:39:39,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 04:39:39,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:41,012 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:41,929 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 145 [2020-11-28 04:39:42,719 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 159 [2020-11-28 04:39:43,219 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-11-28 04:39:43,730 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-11-28 04:39:43,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:43,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 19 states and 42 transitions. [2020-11-28 04:39:43,809 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 42 transitions. [2020-11-28 04:39:43,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 04:39:43,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:44,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:39:44,359 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:39:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:39:45,657 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:39:46,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:39:46,153 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:39:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:39:46,324 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:39:46,489 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2020-11-28 04:39:46,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:39:46 ImpRootNode [2020-11-28 04:39:46,593 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:39:46,593 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:39:46,593 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:39:46,594 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:39:46,594 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:15" (3/4) ... [2020-11-28 04:39:46,596 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:39:46,818 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b8c7523d-a610-4cbd-b168-c7973b0afb79/bin/ukojak/witness.graphml [2020-11-28 04:39:46,818 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:39:46,819 INFO L168 Benchmark]: Toolchain (without parser) took 33773.04 ms. Allocated memory was 115.3 MB in the beginning and 325.1 MB in the end (delta: 209.7 MB). Free memory was 81.0 MB in the beginning and 226.0 MB in the end (delta: -145.0 MB). Peak memory consumption was 64.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:46,820 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 115.3 MB. Free memory was 86.7 MB in the beginning and 86.6 MB in the end (delta: 30.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:39:46,820 INFO L168 Benchmark]: CACSL2BoogieTranslator took 334.18 ms. Allocated memory is still 115.3 MB. Free memory was 80.8 MB in the beginning and 88.6 MB in the end (delta: -7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:46,821 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.58 ms. Allocated memory is still 115.3 MB. Free memory was 88.6 MB in the beginning and 86.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:46,821 INFO L168 Benchmark]: Boogie Preprocessor took 35.55 ms. Allocated memory is still 115.3 MB. Free memory was 86.5 MB in the beginning and 85.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:39:46,821 INFO L168 Benchmark]: RCFGBuilder took 1966.08 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 85.0 MB in the beginning and 100.5 MB in the end (delta: -15.4 MB). Peak memory consumption was 60.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:46,824 INFO L168 Benchmark]: CodeCheck took 31148.72 ms. Allocated memory was 138.4 MB in the beginning and 325.1 MB in the end (delta: 186.6 MB). Free memory was 100.5 MB in the beginning and 235.5 MB in the end (delta: -135.0 MB). Peak memory consumption was 51.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:46,825 INFO L168 Benchmark]: Witness Printer took 224.71 ms. Allocated memory is still 325.1 MB. Free memory was 235.5 MB in the beginning and 226.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:46,829 INFO L339 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, 6 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 31.0s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16 SDtfs, 124 SDslu, 32 SDs, 0 SdLazy, 894 SolverSat, 178 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 431 GetRequests, 343 SyntacticMatches, 20 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2129 ImplicationChecksByTransitivity, 24.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 7.6s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 47123 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 1/32 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L28] msg_t nomsg = (msg_t )-1; [L29] unsigned char r1 ; [L30] port_t p1 ; [L31] char p1_old ; [L32] char p1_new ; [L33] char id1 ; [L34] char st1 ; [L35] msg_t send1 ; [L36] _Bool mode1 ; [L37] _Bool alive1 ; [L38] port_t p2 ; [L39] char p2_old ; [L40] char p2_new ; [L41] char id2 ; [L42] char st2 ; [L43] msg_t send2 ; [L44] _Bool mode2 ; [L45] _Bool alive2 ; [L46] port_t p3 ; [L47] char p3_old ; [L48] char p3_new ; [L49] char id3 ; [L50] char st3 ; [L51] msg_t send3 ; [L52] _Bool mode3 ; [L53] _Bool alive3 ; [L157] void (*nodes[3])(void) = { & node1, & node2, & node3}; [L257] int c1 ; [L258] int i2 ; [L261] c1 = 0 [L262] r1 = __VERIFIER_nondet_uchar() [L263] id1 = __VERIFIER_nondet_char() [L264] st1 = __VERIFIER_nondet_char() [L265] send1 = __VERIFIER_nondet_char() [L266] mode1 = __VERIFIER_nondet_bool() [L267] alive1 = __VERIFIER_nondet_bool() [L268] id2 = __VERIFIER_nondet_char() [L269] st2 = __VERIFIER_nondet_char() [L270] send2 = __VERIFIER_nondet_char() [L271] mode2 = __VERIFIER_nondet_bool() [L272] alive2 = __VERIFIER_nondet_bool() [L273] id3 = __VERIFIER_nondet_char() [L274] st3 = __VERIFIER_nondet_char() [L275] send3 = __VERIFIER_nondet_char() [L276] mode3 = __VERIFIER_nondet_bool() [L277] alive3 = __VERIFIER_nondet_bool() [L160] int tmp ; [L163] COND TRUE (int )r1 == 0 [L164] COND TRUE ((int )alive1 + (int )alive2) + (int )alive3 >= 1 [L165] COND TRUE (int )id1 >= 0 [L166] COND TRUE (int )st1 == 0 [L167] COND TRUE (int )send1 == (int )id1 [L168] COND TRUE (int )mode1 == 0 [L169] COND TRUE (int )id2 >= 0 [L170] COND TRUE (int )st2 == 0 [L171] COND TRUE (int )send2 == (int )id2 [L172] COND TRUE (int )mode2 == 0 [L173] COND TRUE (int )id3 >= 0 [L174] COND TRUE (int )st3 == 0 [L175] COND TRUE (int )send3 == (int )id3 [L176] COND TRUE (int )mode3 == 0 [L177] COND TRUE (int )id1 != (int )id2 [L178] COND TRUE (int )id1 != (int )id3 [L179] COND TRUE (int )id2 != (int )id3 [L180] tmp = 1 [L232] return (tmp); [L278] i2 = init() [L22] COND FALSE !(!cond) [L280] p1_old = nomsg [L281] p1_new = nomsg [L282] p2_old = nomsg [L283] p2_new = nomsg [L284] p3_old = nomsg [L285] p3_new = nomsg [L286] i2 = 0 VAL [alive1=0, alive2=1, alive3=1, id1=126, id2=127, 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=126, send2=127, send3=1, st1=0, st2=0, st3=0] [L287] COND TRUE 1 [L56] msg_t m1 ; [L59] m1 = nomsg [L60] COND FALSE !(\read(mode1)) [L81] COND FALSE !(\read(alive1)) [L84] mode1 = (_Bool)1 [L91] msg_t m2 ; [L94] m2 = nomsg [L95] COND FALSE !(\read(mode2)) [L112] COND TRUE \read(alive2) [L113] EXPR send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L113] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L118] mode2 = (_Bool)1 [L125] msg_t m3 ; [L128] m3 = nomsg [L129] COND FALSE !(\read(mode3)) [L146] COND TRUE \read(alive3) [L147] EXPR send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L147] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L152] mode3 = (_Bool)1 [L292] p1_old = p1_new [L293] p1_new = nomsg [L294] p2_old = p2_new [L295] p2_new = nomsg [L296] p3_old = p3_new [L297] p3_new = nomsg [L237] int tmp ; [L240] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L241] COND TRUE (int )r1 < 3 [L242] tmp = 1 [L252] return (tmp); [L298] c1 = check() [L310] COND FALSE !(! arg) VAL [alive1=0, alive2=1, alive3=1, id1=126, id2=127, 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=127, p3=0, p3_new=-1, p3_old=1, r1=0, send1=126, send2=127, send3=1, st1=0, st2=0, st3=0] [L287] COND TRUE 1 [L56] msg_t m1 ; [L59] m1 = nomsg [L60] COND TRUE \read(mode1) [L61] COND FALSE !(r1 == 255) [L64] r1 = r1 + 1 [L65] m1 = p3_old [L66] p3_old = nomsg [L67] COND TRUE (int )m1 != (int )nomsg [L68] COND FALSE !(\read(alive1)) [L76] send1 = m1 [L79] mode1 = (_Bool)0 [L91] msg_t m2 ; [L94] m2 = nomsg [L95] COND TRUE \read(mode2) [L96] m2 = p1_old [L97] p1_old = nomsg [L98] COND FALSE !((int )m2 != (int )nomsg) [L110] mode2 = (_Bool)0 [L125] msg_t m3 ; [L128] m3 = nomsg [L129] COND TRUE \read(mode3) [L130] m3 = p2_old [L131] p2_old = nomsg [L132] COND TRUE (int )m3 != (int )nomsg [L133] COND TRUE \read(alive3) [L134] COND TRUE (int )m3 > (int )id3 [L135] send3 = m3 [L144] mode3 = (_Bool)0 [L292] p1_old = p1_new [L293] p1_new = nomsg [L294] p2_old = p2_new [L295] p2_new = nomsg [L296] p3_old = p3_new [L297] p3_new = nomsg [L237] int tmp ; [L240] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L241] COND TRUE (int )r1 < 3 [L242] tmp = 1 [L252] return (tmp); [L298] c1 = check() [L310] COND FALSE !(! arg) VAL [alive1=0, alive2=1, alive3=1, id1=126, id2=127, 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=1, send2=127, send3=127, st1=0, st2=0, st3=0] [L287] COND TRUE 1 [L56] msg_t m1 ; [L59] m1 = nomsg [L60] COND FALSE !(\read(mode1)) [L81] COND FALSE !(\read(alive1)) [L84] mode1 = (_Bool)1 [L91] msg_t m2 ; [L94] m2 = nomsg [L95] COND FALSE !(\read(mode2)) [L112] COND TRUE \read(alive2) [L113] EXPR send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L113] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L118] mode2 = (_Bool)1 [L125] msg_t m3 ; [L128] m3 = nomsg [L129] COND FALSE !(\read(mode3)) [L146] COND TRUE \read(alive3) [L147] EXPR send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L147] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L152] mode3 = (_Bool)1 [L292] p1_old = p1_new [L293] p1_new = nomsg [L294] p2_old = p2_new [L295] p2_new = nomsg [L296] p3_old = p3_new [L297] p3_new = nomsg [L237] int tmp ; [L240] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L241] COND TRUE (int )r1 < 3 [L242] tmp = 1 [L252] return (tmp); [L298] c1 = check() [L310] COND FALSE !(! arg) VAL [alive1=0, alive2=1, alive3=1, id1=126, id2=127, 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=127, p3=0, p3_new=-1, p3_old=127, r1=1, send1=1, send2=127, send3=127, st1=0, st2=0, st3=0] [L287] COND TRUE 1 [L56] msg_t m1 ; [L59] m1 = nomsg [L60] COND TRUE \read(mode1) [L61] COND FALSE !(r1 == 255) [L64] r1 = r1 + 1 [L65] m1 = p3_old [L66] p3_old = nomsg [L67] COND TRUE (int )m1 != (int )nomsg [L68] COND FALSE !(\read(alive1)) [L76] send1 = m1 [L79] mode1 = (_Bool)0 [L91] msg_t m2 ; [L94] m2 = nomsg [L95] COND TRUE \read(mode2) [L96] m2 = p1_old [L97] p1_old = nomsg [L98] COND FALSE !((int )m2 != (int )nomsg) [L110] mode2 = (_Bool)0 [L125] msg_t m3 ; [L128] m3 = nomsg [L129] COND TRUE \read(mode3) [L130] m3 = p2_old [L131] p2_old = nomsg [L132] COND TRUE (int )m3 != (int )nomsg [L133] COND TRUE \read(alive3) [L134] COND TRUE (int )m3 > (int )id3 [L135] send3 = m3 [L144] mode3 = (_Bool)0 [L292] p1_old = p1_new [L293] p1_new = nomsg [L294] p2_old = p2_new [L295] p2_new = nomsg [L296] p3_old = p3_new [L297] p3_new = nomsg [L237] int tmp ; [L240] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L241] COND TRUE (int )r1 < 3 [L242] tmp = 1 [L252] return (tmp); [L298] c1 = check() [L310] COND FALSE !(! arg) VAL [alive1=0, alive2=1, alive3=1, id1=126, id2=127, 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=127, send2=127, send3=127, st1=0, st2=0, st3=0] [L287] COND TRUE 1 [L56] msg_t m1 ; [L59] m1 = nomsg [L60] COND FALSE !(\read(mode1)) [L81] COND FALSE !(\read(alive1)) [L84] mode1 = (_Bool)1 [L91] msg_t m2 ; [L94] m2 = nomsg [L95] COND FALSE !(\read(mode2)) [L112] COND TRUE \read(alive2) [L113] EXPR send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L113] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L118] mode2 = (_Bool)1 [L125] msg_t m3 ; [L128] m3 = nomsg [L129] COND FALSE !(\read(mode3)) [L146] COND TRUE \read(alive3) [L147] EXPR send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L147] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L152] mode3 = (_Bool)1 [L292] p1_old = p1_new [L293] p1_new = nomsg [L294] p2_old = p2_new [L295] p2_new = nomsg [L296] p3_old = p3_new [L297] p3_new = nomsg [L237] int tmp ; [L240] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L241] COND TRUE (int )r1 < 3 [L242] tmp = 1 [L252] return (tmp); [L298] c1 = check() [L310] COND FALSE !(! arg) VAL [alive1=0, alive2=1, alive3=1, id1=126, id2=127, 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=127, p3=0, p3_new=-1, p3_old=127, r1=2, send1=127, send2=127, send3=127, st1=0, st2=0, st3=0] [L287] COND TRUE 1 [L56] msg_t m1 ; [L59] m1 = nomsg [L60] COND TRUE \read(mode1) [L61] COND FALSE !(r1 == 255) [L64] r1 = r1 + 1 [L65] m1 = p3_old [L66] p3_old = nomsg [L67] COND TRUE (int )m1 != (int )nomsg [L68] COND FALSE !(\read(alive1)) [L76] send1 = m1 [L79] mode1 = (_Bool)0 [L91] msg_t m2 ; [L94] m2 = nomsg [L95] COND TRUE \read(mode2) [L96] m2 = p1_old [L97] p1_old = nomsg [L98] COND FALSE !((int )m2 != (int )nomsg) [L110] mode2 = (_Bool)0 [L125] msg_t m3 ; [L128] m3 = nomsg [L129] COND TRUE \read(mode3) [L130] m3 = p2_old [L131] p2_old = nomsg [L132] COND TRUE (int )m3 != (int )nomsg [L133] COND TRUE \read(alive3) [L134] COND TRUE (int )m3 > (int )id3 [L135] send3 = m3 [L144] mode3 = (_Bool)0 [L292] p1_old = p1_new [L293] p1_new = nomsg [L294] p2_old = p2_new [L295] p2_new = nomsg [L296] p3_old = p3_new [L297] p3_new = nomsg [L237] int tmp ; [L240] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L241] COND FALSE !((int )r1 < 3) [L244] COND FALSE !(((int )st1 + (int )st2) + (int )st3 == 1) [L247] tmp = 0 [L252] return (tmp); [L298] c1 = check() [L310] COND TRUE ! arg VAL [alive1=0, alive2=1, alive3=1, id1=126, id2=127, 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=127, send2=127, send3=127, st1=0, st2=0, st3=0] [L3] __assert_fail("0", "pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c", 3, "reach_error") VAL [alive1=0, alive2=1, alive3=1, id1=126, id2=127, 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=127, send2=127, send3=127, st1=0, st2=0, st3=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 115.3 MB. Free memory was 86.7 MB in the beginning and 86.6 MB in the end (delta: 30.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 334.18 ms. Allocated memory is still 115.3 MB. Free memory was 80.8 MB in the beginning and 88.6 MB in the end (delta: -7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 56.58 ms. Allocated memory is still 115.3 MB. Free memory was 88.6 MB in the beginning and 86.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.55 ms. Allocated memory is still 115.3 MB. Free memory was 86.5 MB in the beginning and 85.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1966.08 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 85.0 MB in the beginning and 100.5 MB in the end (delta: -15.4 MB). Peak memory consumption was 60.1 MB. Max. memory is 16.1 GB. * CodeCheck took 31148.72 ms. Allocated memory was 138.4 MB in the beginning and 325.1 MB in the end (delta: 186.6 MB). Free memory was 100.5 MB in the beginning and 235.5 MB in the end (delta: -135.0 MB). Peak memory consumption was 51.6 MB. Max. memory is 16.1 GB. * Witness Printer took 224.71 ms. Allocated memory is still 325.1 MB. Free memory was 235.5 MB in the beginning and 226.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...