./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5922efcb-88b0-4dd2-b2ad-eb862661e2f4/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5922efcb-88b0-4dd2-b2ad-eb862661e2f4/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5922efcb-88b0-4dd2-b2ad-eb862661e2f4/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5922efcb-88b0-4dd2-b2ad-eb862661e2f4/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_5922efcb-88b0-4dd2-b2ad-eb862661e2f4/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5922efcb-88b0-4dd2-b2ad-eb862661e2f4/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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 0.1.24-678e011 [2019-11-20 07:26:19,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 07:26:19,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 07:26:19,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 07:26:19,829 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 07:26:19,830 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 07:26:19,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 07:26:19,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 07:26:19,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 07:26:19,849 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 07:26:19,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 07:26:19,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 07:26:19,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 07:26:19,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 07:26:19,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 07:26:19,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 07:26:19,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 07:26:19,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 07:26:19,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 07:26:19,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 07:26:19,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 07:26:19,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 07:26:19,871 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 07:26:19,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 07:26:19,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 07:26:19,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 07:26:19,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 07:26:19,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 07:26:19,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 07:26:19,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 07:26:19,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 07:26:19,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 07:26:19,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 07:26:19,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 07:26:19,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 07:26:19,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 07:26:19,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 07:26:19,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 07:26:19,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 07:26:19,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 07:26:19,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 07:26:19,886 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5922efcb-88b0-4dd2-b2ad-eb862661e2f4/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 07:26:19,912 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 07:26:19,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 07:26:19,913 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 07:26:19,913 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 07:26:19,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 07:26:19,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 07:26:19,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 07:26:19,914 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 07:26:19,914 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 07:26:19,915 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 07:26:19,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 07:26:19,915 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 07:26:19,915 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 07:26:19,915 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 07:26:19,916 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 07:26:19,916 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 07:26:19,916 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 07:26:19,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 07:26:19,916 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 07:26:19,917 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 07:26:19,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 07:26:19,917 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 07:26:19,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 07:26:19,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 07:26:19,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 07:26:19,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 07:26:19,920 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 07:26:19,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 07:26:19,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 07:26:19,921 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5922efcb-88b0-4dd2-b2ad-eb862661e2f4/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d52e74df0654e1f032e9591db582096a56c19f5c [2019-11-20 07:26:20,077 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 07:26:20,090 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 07:26:20,093 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 07:26:20,094 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 07:26:20,094 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 07:26:20,095 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5922efcb-88b0-4dd2-b2ad-eb862661e2f4/bin/ukojak/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c [2019-11-20 07:26:20,164 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5922efcb-88b0-4dd2-b2ad-eb862661e2f4/bin/ukojak/data/6488e5457/fa3e08f39cdd420c89aae3e374eae778/FLAGfc5c54bc8 [2019-11-20 07:26:20,580 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 07:26:20,580 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5922efcb-88b0-4dd2-b2ad-eb862661e2f4/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c [2019-11-20 07:26:20,588 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5922efcb-88b0-4dd2-b2ad-eb862661e2f4/bin/ukojak/data/6488e5457/fa3e08f39cdd420c89aae3e374eae778/FLAGfc5c54bc8 [2019-11-20 07:26:20,601 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5922efcb-88b0-4dd2-b2ad-eb862661e2f4/bin/ukojak/data/6488e5457/fa3e08f39cdd420c89aae3e374eae778 [2019-11-20 07:26:20,603 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 07:26:20,605 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 07:26:20,605 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 07:26:20,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 07:26:20,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 07:26:20,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:26:20" (1/1) ... [2019-11-20 07:26:20,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@382dd9fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:26:20, skipping insertion in model container [2019-11-20 07:26:20,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:26:20" (1/1) ... [2019-11-20 07:26:20,620 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 07:26:20,670 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 07:26:21,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:26:21,010 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 07:26:21,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:26:21,080 INFO L192 MainTranslator]: Completed translation [2019-11-20 07:26:21,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:26:21 WrapperNode [2019-11-20 07:26:21,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 07:26:21,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 07:26:21,082 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 07:26:21,082 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 07:26:21,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:26:21" (1/1) ... [2019-11-20 07:26:21,098 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:26:21" (1/1) ... [2019-11-20 07:26:21,128 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 07:26:21,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 07:26:21,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 07:26:21,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 07:26:21,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:26:21" (1/1) ... [2019-11-20 07:26:21,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:26:21" (1/1) ... [2019-11-20 07:26:21,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:26:21" (1/1) ... [2019-11-20 07:26:21,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:26:21" (1/1) ... [2019-11-20 07:26:21,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:26:21" (1/1) ... [2019-11-20 07:26:21,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:26:21" (1/1) ... [2019-11-20 07:26:21,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:26:21" (1/1) ... [2019-11-20 07:26:21,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 07:26:21,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 07:26:21,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 07:26:21,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 07:26:21,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:26:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5922efcb-88b0-4dd2-b2ad-eb862661e2f4/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 07:26:21,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 07:26:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 07:26:22,738 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 07:26:22,739 INFO L285 CfgBuilder]: Removed 17 assume(true) statements. [2019-11-20 07:26:22,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:26:22 BoogieIcfgContainer [2019-11-20 07:26:22,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 07:26:22,742 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 07:26:22,742 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 07:26:22,752 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 07:26:22,752 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:26:22" (1/1) ... [2019-11-20 07:26:22,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:26:22,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:26:22,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2019-11-20 07:26:22,792 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2019-11-20 07:26:22,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-20 07:26:22,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:26:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:26:23,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:26:23,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:26:23,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 7 states and 10 transitions. [2019-11-20 07:26:23,361 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 10 transitions. [2019-11-20 07:26:23,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 07:26:23,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:26:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:26:24,122 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 62 [2019-11-20 07:26:24,344 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 63 [2019-11-20 07:26:24,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:26:24,596 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2019-11-20 07:26:25,569 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-11-20 07:26:25,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:26:25,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 10 states and 17 transitions. [2019-11-20 07:26:25,598 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 17 transitions. [2019-11-20 07:26:25,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 07:26:25,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:26:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:26:26,326 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:26:26,521 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-11-20 07:26:26,734 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-11-20 07:26:27,085 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2019-11-20 07:26:27,227 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-11-20 07:26:27,719 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-11-20 07:26:28,231 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-11-20 07:26:28,521 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-11-20 07:26:28,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:26:28,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 13 states and 25 transitions. [2019-11-20 07:26:28,576 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 25 transitions. [2019-11-20 07:26:28,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 07:26:28,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:26:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:26:31,134 WARN L191 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 74 [2019-11-20 07:26:32,985 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 316 DAG size of output: 163 [2019-11-20 07:26:35,258 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 346 DAG size of output: 218 [2019-11-20 07:26:37,099 WARN L191 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 334 DAG size of output: 212 [2019-11-20 07:26:38,263 WARN L191 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 147 [2019-11-20 07:26:38,271 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:26:38,621 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-11-20 07:26:39,805 WARN L191 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 181 [2019-11-20 07:26:40,187 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-20 07:26:41,187 WARN L191 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 182 [2019-11-20 07:26:41,653 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-11-20 07:26:42,114 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-11-20 07:26:43,175 WARN L191 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 177 [2019-11-20 07:26:44,139 WARN L191 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 178 [2019-11-20 07:26:44,566 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-20 07:26:44,970 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-20 07:26:46,266 WARN L191 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 220 DAG size of output: 206 [2019-11-20 07:26:46,861 WARN L191 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2019-11-20 07:26:47,888 WARN L191 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 217 [2019-11-20 07:26:48,398 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2019-11-20 07:26:48,954 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2019-11-20 07:26:49,542 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2019-11-20 07:26:50,234 WARN L191 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 144 [2019-11-20 07:26:50,598 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-11-20 07:26:50,983 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-11-20 07:26:51,354 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-11-20 07:26:51,836 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-11-20 07:26:52,375 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-20 07:26:52,940 WARN L191 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2019-11-20 07:26:53,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:26:53,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 19 states and 43 transitions. [2019-11-20 07:26:53,030 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 43 transitions. [2019-11-20 07:26:53,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 07:26:53,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:26:53,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:26:54,945 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:27:04,703 WARN L191 SmtUtils]: Spent 9.50 s on a formula simplification. DAG size of input: 218 DAG size of output: 202 [2019-11-20 07:27:05,525 WARN L191 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 219 [2019-11-20 07:27:06,084 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2019-11-20 07:27:06,639 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2019-11-20 07:27:06,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:27:06,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 20 states and 45 transitions. [2019-11-20 07:27:06,784 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 45 transitions. [2019-11-20 07:27:06,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 07:27:06,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:27:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:27:08,336 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:27:09,083 WARN L191 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 148 [2019-11-20 07:27:09,768 WARN L191 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 150 [2019-11-20 07:27:10,202 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-20 07:27:10,679 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-20 07:27:11,258 WARN L191 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 144 [2019-11-20 07:27:11,787 WARN L191 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 146 [2019-11-20 07:27:12,161 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-11-20 07:27:12,559 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-11-20 07:27:12,785 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 40 [2019-11-20 07:27:13,713 WARN L191 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 185 [2019-11-20 07:27:14,380 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2019-11-20 07:27:14,656 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 43 [2019-11-20 07:27:15,703 WARN L191 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2019-11-20 07:27:16,482 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-11-20 07:27:16,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:27:16,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 23 states and 55 transitions. [2019-11-20 07:27:16,573 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 55 transitions. [2019-11-20 07:27:16,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 07:27:16,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:27:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:27:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:27:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:27:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:27:24,212 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2019-11-20 07:27:24,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 07:27:24 ImpRootNode [2019-11-20 07:27:24,298 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 07:27:24,299 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 07:27:24,299 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 07:27:24,299 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 07:27:24,300 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:26:22" (3/4) ... [2019-11-20 07:27:24,302 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 07:27:24,515 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5922efcb-88b0-4dd2-b2ad-eb862661e2f4/bin/ukojak/witness.graphml [2019-11-20 07:27:24,516 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 07:27:24,517 INFO L168 Benchmark]: Toolchain (without parser) took 63912.65 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 623.9 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -280.6 MB). Peak memory consumption was 343.3 MB. Max. memory is 11.5 GB. [2019-11-20 07:27:24,517 INFO L168 Benchmark]: CDTParser took 2.26 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:27:24,519 INFO L168 Benchmark]: CACSL2BoogieTranslator took 476.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -151.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-20 07:27:24,519 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.17 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:27:24,519 INFO L168 Benchmark]: Boogie Preprocessor took 44.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-20 07:27:24,520 INFO L168 Benchmark]: RCFGBuilder took 1567.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 930.6 MB in the end (delta: 163.0 MB). Peak memory consumption was 163.0 MB. Max. memory is 11.5 GB. [2019-11-20 07:27:24,520 INFO L168 Benchmark]: CodeCheck took 61556.90 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 518.5 MB). Free memory was 930.6 MB in the beginning and 1.2 GB in the end (delta: -314.8 MB). Peak memory consumption was 203.7 MB. Max. memory is 11.5 GB. [2019-11-20 07:27:24,521 INFO L168 Benchmark]: Witness Printer took 217.00 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2019-11-20 07:27:24,525 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Result: UNSAFE, OverallTime: 61.4s, OverallIterations: 7, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 32 SDtfs, 288 SDslu, 64 SDs, 0 SdLazy, 2056 SolverSat, 428 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 605 GetRequests, 485 SyntacticMatches, 20 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4769 ImplicationChecksByTransitivity, 46.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 5.9s SatisfiabilityAnalysisTime, 12.8s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 69126 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 0/52 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: 354]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L70] msg_t nomsg = (msg_t )-1; [L71] unsigned char r1 ; [L72] port_t p1 ; [L73] char p1_old ; [L74] char p1_new ; [L75] char id1 ; [L76] char st1 ; [L77] msg_t send1 ; [L78] _Bool mode1 ; [L79] _Bool alive1 ; [L80] port_t p2 ; [L81] char p2_old ; [L82] char p2_new ; [L83] char id2 ; [L84] char st2 ; [L85] msg_t send2 ; [L86] _Bool mode2 ; [L87] _Bool alive2 ; [L88] port_t p3 ; [L89] char p3_old ; [L90] char p3_new ; [L91] char id3 ; [L92] char st3 ; [L93] msg_t send3 ; [L94] _Bool mode3 ; [L95] _Bool alive3 ; [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() [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] return (tmp); [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=1, id1=1, id2=4, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=0, send1=1, send2=4, send3=0, st1=0, st2=0, st3=0] [L329] COND TRUE 1 [L98] msg_t m1 ; [L101] m1 = nomsg [L102] COND FALSE !(\read(mode1)) [L123] COND FALSE !(\read(alive1)) [L126] mode1 = (_Bool)1 [L133] msg_t m2 ; [L136] m2 = nomsg [L137] COND FALSE !(\read(mode2)) [L154] COND TRUE \read(alive2) [L155] EXPR send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L155] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L160] mode2 = (_Bool)1 [L167] msg_t m3 ; [L170] m3 = nomsg [L171] COND FALSE !(\read(mode3)) [L188] COND TRUE \read(alive3) [L189] EXPR send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L189] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L194] mode3 = (_Bool)1 [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 [L279] int tmp ; [L282] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L283] COND TRUE (int )r1 < 3 [L284] tmp = 1 [L294] return (tmp); [L340] c1 = check() [L352] COND FALSE !(! arg) VAL [alive1=0, alive2=1, alive3=1, id1=1, id2=4, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=4, p3=0, p3_new=-1, p3_old=0, r1=0, send1=1, send2=4, send3=0, st1=0, st2=0, st3=0] [L329] COND TRUE 1 [L98] msg_t m1 ; [L101] m1 = nomsg [L102] COND TRUE \read(mode1) [L103] COND FALSE !(r1 == 255) [L106] r1 = r1 + 1 [L107] m1 = p3_old [L108] p3_old = nomsg [L109] COND TRUE (int )m1 != (int )nomsg [L110] COND FALSE !(\read(alive1)) [L118] send1 = m1 [L121] mode1 = (_Bool)0 [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] mode2 = (_Bool)0 [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 TRUE \read(alive3) [L176] COND TRUE (int )m3 > (int )id3 [L177] send3 = m3 [L186] mode3 = (_Bool)0 [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 [L279] int tmp ; [L282] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L283] COND TRUE (int )r1 < 3 [L284] tmp = 1 [L294] return (tmp); [L340] c1 = check() [L352] COND FALSE !(! arg) VAL [alive1=0, alive2=1, alive3=1, id1=1, id2=4, id3=0, 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=4, send3=4, st1=0, st2=0, st3=0] [L329] COND TRUE 1 [L98] msg_t m1 ; [L101] m1 = nomsg [L102] COND FALSE !(\read(mode1)) [L123] COND FALSE !(\read(alive1)) [L126] mode1 = (_Bool)1 [L133] msg_t m2 ; [L136] m2 = nomsg [L137] COND FALSE !(\read(mode2)) [L154] COND TRUE \read(alive2) [L155] EXPR send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L155] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L160] mode2 = (_Bool)1 [L167] msg_t m3 ; [L170] m3 = nomsg [L171] COND FALSE !(\read(mode3)) [L188] COND TRUE \read(alive3) [L189] EXPR send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L189] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L194] mode3 = (_Bool)1 [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 [L279] int tmp ; [L282] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L283] COND TRUE (int )r1 < 3 [L284] tmp = 1 [L294] return (tmp); [L340] c1 = check() [L352] COND FALSE !(! arg) VAL [alive1=0, alive2=1, alive3=1, id1=1, id2=4, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=4, p3=0, p3_new=-1, p3_old=4, r1=1, send1=0, send2=4, send3=4, st1=0, st2=0, st3=0] [L329] COND TRUE 1 [L98] msg_t m1 ; [L101] m1 = nomsg [L102] COND TRUE \read(mode1) [L103] COND FALSE !(r1 == 255) [L106] r1 = r1 + 1 [L107] m1 = p3_old [L108] p3_old = nomsg [L109] COND TRUE (int )m1 != (int )nomsg [L110] COND FALSE !(\read(alive1)) [L118] send1 = m1 [L121] mode1 = (_Bool)0 [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] mode2 = (_Bool)0 [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 TRUE \read(alive3) [L176] COND TRUE (int )m3 > (int )id3 [L177] send3 = m3 [L186] mode3 = (_Bool)0 [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 [L279] int tmp ; [L282] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L283] COND TRUE (int )r1 < 3 [L284] tmp = 1 [L294] return (tmp); [L340] c1 = check() [L352] COND FALSE !(! arg) VAL [alive1=0, alive2=1, alive3=1, id1=1, id2=4, id3=0, 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=4, send2=4, send3=4, st1=0, st2=0, st3=0] [L329] COND TRUE 1 [L98] msg_t m1 ; [L101] m1 = nomsg [L102] COND FALSE !(\read(mode1)) [L123] COND FALSE !(\read(alive1)) [L126] mode1 = (_Bool)1 [L133] msg_t m2 ; [L136] m2 = nomsg [L137] COND FALSE !(\read(mode2)) [L154] COND TRUE \read(alive2) [L155] EXPR send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L155] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L160] mode2 = (_Bool)1 [L167] msg_t m3 ; [L170] m3 = nomsg [L171] COND FALSE !(\read(mode3)) [L188] COND TRUE \read(alive3) [L189] EXPR send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L189] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L194] mode3 = (_Bool)1 [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 [L279] int tmp ; [L282] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L283] COND TRUE (int )r1 < 3 [L284] tmp = 1 [L294] return (tmp); [L340] c1 = check() [L352] COND FALSE !(! arg) VAL [alive1=0, alive2=1, alive3=1, id1=1, id2=4, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=4, p3=0, p3_new=-1, p3_old=4, r1=2, send1=4, send2=4, send3=4, st1=0, st2=0, st3=0] [L329] COND TRUE 1 [L98] msg_t m1 ; [L101] m1 = nomsg [L102] COND TRUE \read(mode1) [L103] COND FALSE !(r1 == 255) [L106] r1 = r1 + 1 [L107] m1 = p3_old [L108] p3_old = nomsg [L109] COND TRUE (int )m1 != (int )nomsg [L110] COND FALSE !(\read(alive1)) [L118] send1 = m1 [L121] mode1 = (_Bool)0 [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] mode2 = (_Bool)0 [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 TRUE \read(alive3) [L176] COND TRUE (int )m3 > (int )id3 [L177] send3 = m3 [L186] mode3 = (_Bool)0 [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 [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] return (tmp); [L340] c1 = check() [L352] COND TRUE ! arg VAL [alive1=0, alive2=1, alive3=1, id1=1, id2=4, id3=0, 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=4, send2=4, send3=4, st1=0, st2=0, st3=0] [L354] __VERIFIER_error() VAL [alive1=0, alive2=1, alive3=1, id1=1, id2=4, id3=0, 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=4, send2=4, send3=4, st1=0, st2=0, st3=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.26 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 476.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -151.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.17 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1567.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 930.6 MB in the end (delta: 163.0 MB). Peak memory consumption was 163.0 MB. Max. memory is 11.5 GB. * CodeCheck took 61556.90 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 518.5 MB). Free memory was 930.6 MB in the beginning and 1.2 GB in the end (delta: -314.8 MB). Peak memory consumption was 203.7 MB. Max. memory is 11.5 GB. * Witness Printer took 217.00 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...