./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_67d5b618-33d1-4a41-80e2-8356f2f7728e/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_67d5b618-33d1-4a41-80e2-8356f2f7728e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_67d5b618-33d1-4a41-80e2-8356f2f7728e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_67d5b618-33d1-4a41-80e2-8356f2f7728e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c -s /tmp/vcloud-vcloud-master/worker/run_dir_67d5b618-33d1-4a41-80e2-8356f2f7728e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_67d5b618-33d1-4a41-80e2-8356f2f7728e/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 776db5900df2e210f2c2746932f1a55f834fc2cb ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2020-11-29 20:41:50,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:41:50,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:41:50,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:41:50,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:41:50,742 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:41:50,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:41:50,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:41:50,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:41:50,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:41:50,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:41:50,766 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:41:50,767 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:41:50,775 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:41:50,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:41:50,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:41:50,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:41:50,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:41:50,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:41:50,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:41:50,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:41:50,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:41:50,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:41:50,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:41:50,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:41:50,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:41:50,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:41:50,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:41:50,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:41:50,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:41:50,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:41:50,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:41:50,821 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:41:50,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:41:50,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:41:50,824 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:41:50,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:41:50,824 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:41:50,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:41:50,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:41:50,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:41:50,827 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_67d5b618-33d1-4a41-80e2-8356f2f7728e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 20:41:50,853 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:41:50,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:41:50,854 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 20:41:50,855 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 20:41:50,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:41:50,856 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:41:50,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:41:50,857 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:41:50,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:41:50,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:41:50,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:41:50,858 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:41:50,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:41:50,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:41:50,858 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:41:50,859 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:41:50,859 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:41:50,859 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:41:50,859 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 20:41:50,860 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 20:41:50,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:41:50,860 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:41:50,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 20:41:50,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:41:50,861 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:41:50,861 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:41:50,862 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 20:41:50,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:41:50,862 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:41:50,862 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_67d5b618-33d1-4a41-80e2-8356f2f7728e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_67d5b618-33d1-4a41-80e2-8356f2f7728e/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 776db5900df2e210f2c2746932f1a55f834fc2cb [2020-11-29 20:41:51,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:41:51,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:41:51,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:41:51,229 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:41:51,231 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:41:51,233 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_67d5b618-33d1-4a41-80e2-8356f2f7728e/bin/ukojak/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c [2020-11-29 20:41:51,333 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_67d5b618-33d1-4a41-80e2-8356f2f7728e/bin/ukojak/data/12d4d9edd/673ca5fb8cf5405fbaaf95b6eda33572/FLAGa2aa674fd [2020-11-29 20:41:51,929 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:41:51,929 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_67d5b618-33d1-4a41-80e2-8356f2f7728e/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c [2020-11-29 20:41:51,940 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_67d5b618-33d1-4a41-80e2-8356f2f7728e/bin/ukojak/data/12d4d9edd/673ca5fb8cf5405fbaaf95b6eda33572/FLAGa2aa674fd [2020-11-29 20:41:52,246 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_67d5b618-33d1-4a41-80e2-8356f2f7728e/bin/ukojak/data/12d4d9edd/673ca5fb8cf5405fbaaf95b6eda33572 [2020-11-29 20:41:52,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:41:52,249 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:41:52,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:41:52,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:41:52,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:41:52,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:41:52" (1/1) ... [2020-11-29 20:41:52,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22f43f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:41:52, skipping insertion in model container [2020-11-29 20:41:52,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:41:52" (1/1) ... [2020-11-29 20:41:52,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:41:52,342 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:41:52,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:41:52,548 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:41:52,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:41:52,611 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:41:52,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:41:52 WrapperNode [2020-11-29 20:41:52,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:41:52,614 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:41:52,614 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:41:52,614 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:41:52,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:41:52" (1/1) ... [2020-11-29 20:41:52,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:41:52" (1/1) ... [2020-11-29 20:41:52,670 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:41:52,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:41:52,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:41:52,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:41:52,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:41:52" (1/1) ... [2020-11-29 20:41:52,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:41:52" (1/1) ... [2020-11-29 20:41:52,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:41:52" (1/1) ... [2020-11-29 20:41:52,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:41:52" (1/1) ... [2020-11-29 20:41:52,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:41:52" (1/1) ... [2020-11-29 20:41:52,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:41:52" (1/1) ... [2020-11-29 20:41:52,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:41:52" (1/1) ... [2020-11-29 20:41:52,709 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:41:52,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:41:52,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:41:52,711 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:41:52,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:41:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67d5b618-33d1-4a41-80e2-8356f2f7728e/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 [2020-11-29 20:41:52,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:41:52,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:41:52,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:41:52,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:41:55,154 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:41:55,155 INFO L298 CfgBuilder]: Removed 19 assume(true) statements. [2020-11-29 20:41:55,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:41:55 BoogieIcfgContainer [2020-11-29 20:41:55,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:41:55,159 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 20:41:55,159 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 20:41:55,172 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 20:41:55,172 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:41:55" (1/1) ... [2020-11-29 20:41:55,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:41:55,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:41:55,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2020-11-29 20:41:55,226 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2020-11-29 20:41:55,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-29 20:41:55,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:41:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:41:55,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:41:55,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:41:55,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2020-11-29 20:41:55,925 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2020-11-29 20:41:55,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-29 20:41:55,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:41:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:41:56,911 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2020-11-29 20:41:57,124 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 56 [2020-11-29 20:41:57,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:41:57,449 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2020-11-29 20:41:58,332 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-11-29 20:41:58,534 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-11-29 20:41:58,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:41:58,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 13 states and 22 transitions. [2020-11-29 20:41:58,584 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 22 transitions. [2020-11-29 20:41:58,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 20:41:58,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:41:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:41:59,255 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:41:59,680 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2020-11-29 20:42:00,266 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2020-11-29 20:42:00,733 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2020-11-29 20:42:00,952 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2020-11-29 20:42:01,387 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2020-11-29 20:42:01,956 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2020-11-29 20:42:02,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:42:02,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 19 states and 37 transitions. [2020-11-29 20:42:02,426 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 37 transitions. [2020-11-29 20:42:02,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 20:42:02,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:42:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:42:04,949 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 72 [2020-11-29 20:42:08,026 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 296 DAG size of output: 197 [2020-11-29 20:42:10,234 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 272 DAG size of output: 187 [2020-11-29 20:42:12,662 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 259 DAG size of output: 179 [2020-11-29 20:42:14,292 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 210 DAG size of output: 144 [2020-11-29 20:42:14,314 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:42:14,593 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-11-29 20:42:14,765 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-11-29 20:42:15,095 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2020-11-29 20:42:15,490 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-11-29 20:42:16,481 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 194 [2020-11-29 20:42:17,467 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 178 [2020-11-29 20:42:18,775 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 204 DAG size of output: 198 [2020-11-29 20:42:19,910 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 193 [2020-11-29 20:42:20,608 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-11-29 20:42:21,728 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 190 [2020-11-29 20:42:22,974 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-11-29 20:42:24,420 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 189 DAG size of output: 189 [2020-11-29 20:42:25,115 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-11-29 20:42:26,505 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 199 DAG size of output: 170 [2020-11-29 20:42:27,990 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 169 DAG size of output: 169 [2020-11-29 20:42:29,435 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 201 DAG size of output: 196 [2020-11-29 20:42:30,333 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-11-29 20:42:31,283 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-11-29 20:42:32,823 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 189 DAG size of output: 165 [2020-11-29 20:42:34,357 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 161 DAG size of output: 161 [2020-11-29 20:42:36,004 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 191 DAG size of output: 191 [2020-11-29 20:42:37,532 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 166 DAG size of output: 165 [2020-11-29 20:42:39,359 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-11-29 20:42:40,755 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 186 DAG size of output: 157 [2020-11-29 20:42:42,317 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 188 DAG size of output: 184 [2020-11-29 20:42:43,152 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2020-11-29 20:42:44,164 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2020-11-29 20:42:45,547 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 152 DAG size of output: 149 [2020-11-29 20:42:46,326 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-11-29 20:42:47,043 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-11-29 20:42:47,864 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-11-29 20:42:48,765 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-11-29 20:42:50,249 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 148 DAG size of output: 145 [2020-11-29 20:42:50,972 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-11-29 20:42:51,834 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-11-29 20:42:52,785 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-11-29 20:42:53,758 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-11-29 20:42:54,764 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-11-29 20:42:54,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:42:54,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 29 states and 68 transitions. [2020-11-29 20:42:54,924 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 68 transitions. [2020-11-29 20:42:54,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 20:42:54,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:42:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:42:56,206 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:42:58,176 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2020-11-29 20:43:00,320 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 199 DAG size of output: 199 [2020-11-29 20:43:02,237 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 169 DAG size of output: 168 [2020-11-29 20:43:04,490 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 200 DAG size of output: 199 [2020-11-29 20:43:04,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:43:04,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 30 states and 70 transitions. [2020-11-29 20:43:04,608 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 70 transitions. [2020-11-29 20:43:04,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 20:43:04,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:43:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:43:05,751 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 13 [2020-11-29 20:43:06,825 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:43:08,979 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 171 DAG size of output: 164 [2020-11-29 20:43:10,924 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 173 DAG size of output: 171 [2020-11-29 20:43:12,145 WARN L193 SmtUtils]: Spent 888.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-11-29 20:43:13,303 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-11-29 20:43:15,268 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 166 DAG size of output: 158 [2020-11-29 20:43:17,962 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 168 DAG size of output: 165 [2020-11-29 20:43:19,139 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-11-29 20:43:20,362 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-11-29 20:43:22,095 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 149 DAG size of output: 146 [2020-11-29 20:43:23,806 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 151 DAG size of output: 137 [2020-11-29 20:43:24,836 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-11-29 20:43:25,830 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-11-29 20:43:27,624 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 145 DAG size of output: 142 [2020-11-29 20:43:29,133 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 147 DAG size of output: 133 [2020-11-29 20:43:30,205 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-11-29 20:43:31,410 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-11-29 20:43:31,835 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 32 [2020-11-29 20:43:34,024 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2020-11-29 20:43:35,784 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-11-29 20:43:36,193 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 27 [2020-11-29 20:43:37,485 WARN L193 SmtUtils]: Spent 895.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-11-29 20:43:39,266 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-11-29 20:43:39,618 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 31 [2020-11-29 20:43:40,768 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 166 [2020-11-29 20:43:42,475 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 167 [2020-11-29 20:43:42,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:43:42,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 37 states and 95 transitions. [2020-11-29 20:43:42,657 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 95 transitions. [2020-11-29 20:43:42,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 20:43:42,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:43:43,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:43:43,217 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:43:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:43:44,626 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:43:45,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:43:45,143 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:43:45,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:43:45,398 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:43:45,637 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2020-11-29 20:43:45,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 08:43:45 ImpRootNode [2020-11-29 20:43:45,798 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 20:43:45,798 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:43:45,799 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:43:45,799 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:43:45,799 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:41:55" (3/4) ... [2020-11-29 20:43:45,801 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 20:43:45,993 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_67d5b618-33d1-4a41-80e2-8356f2f7728e/bin/ukojak/witness.graphml [2020-11-29 20:43:45,993 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:43:45,995 INFO L168 Benchmark]: Toolchain (without parser) took 113745.19 ms. Allocated memory was 88.1 MB in the beginning and 255.9 MB in the end (delta: 167.8 MB). Free memory was 53.5 MB in the beginning and 168.3 MB in the end (delta: -114.7 MB). Peak memory consumption was 56.3 MB. Max. memory is 16.1 GB. [2020-11-29 20:43:45,995 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 88.1 MB. Free memory is still 70.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:43:45,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.61 ms. Allocated memory is still 88.1 MB. Free memory was 53.4 MB in the beginning and 40.7 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 20:43:45,996 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.21 ms. Allocated memory is still 88.1 MB. Free memory was 40.7 MB in the beginning and 38.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:43:45,996 INFO L168 Benchmark]: Boogie Preprocessor took 38.44 ms. Allocated memory is still 88.1 MB. Free memory was 38.4 MB in the beginning and 36.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:43:45,997 INFO L168 Benchmark]: RCFGBuilder took 2447.77 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 36.8 MB in the beginning and 65.1 MB in the end (delta: -28.3 MB). Peak memory consumption was 25.8 MB. Max. memory is 16.1 GB. [2020-11-29 20:43:45,997 INFO L168 Benchmark]: CodeCheck took 110639.12 ms. Allocated memory was 107.0 MB in the beginning and 255.9 MB in the end (delta: 148.9 MB). Free memory was 65.1 MB in the beginning and 176.8 MB in the end (delta: -111.7 MB). Peak memory consumption was 36.8 MB. Max. memory is 16.1 GB. [2020-11-29 20:43:45,998 INFO L168 Benchmark]: Witness Printer took 194.98 ms. Allocated memory is still 255.9 MB. Free memory was 176.8 MB in the beginning and 168.3 MB in the end (delta: 8.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 20:43:46,000 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, 7 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 110.4s, OverallIterations: 7, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 368 SDtfs, 496 SDslu, 764 SDs, 0 SdLazy, 1910 SolverSat, 458 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 762 GetRequests, 604 SyntacticMatches, 26 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8610 ImplicationChecksByTransitivity, 100.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 15.4s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 147678 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 0/65 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L25] msg_t nomsg = (msg_t )-1; [L26] char r1 ; [L27] port_t p1 ; [L28] char p1_old ; [L29] char p1_new ; [L30] char id1 ; [L31] char st1 ; [L32] msg_t send1 ; [L33] _Bool mode1 ; [L34] _Bool alive1 ; [L35] port_t p2 ; [L36] char p2_old ; [L37] char p2_new ; [L38] char id2 ; [L39] char st2 ; [L40] msg_t send2 ; [L41] _Bool mode2 ; [L42] _Bool alive2 ; [L43] port_t p3 ; [L44] char p3_old ; [L45] char p3_new ; [L46] char id3 ; [L47] char st3 ; [L48] msg_t send3 ; [L49] _Bool mode3 ; [L50] _Bool alive3 ; [L250] int c1 ; [L251] int i2 ; [L254] c1 = 0 [L255] r1 = __VERIFIER_nondet_char() [L256] id1 = __VERIFIER_nondet_char() [L257] st1 = __VERIFIER_nondet_char() [L258] send1 = __VERIFIER_nondet_char() [L259] mode1 = __VERIFIER_nondet_bool() [L260] alive1 = __VERIFIER_nondet_bool() [L261] id2 = __VERIFIER_nondet_char() [L262] st2 = __VERIFIER_nondet_char() [L263] send2 = __VERIFIER_nondet_char() [L264] mode2 = __VERIFIER_nondet_bool() [L265] alive2 = __VERIFIER_nondet_bool() [L266] id3 = __VERIFIER_nondet_char() [L267] st3 = __VERIFIER_nondet_char() [L268] send3 = __VERIFIER_nondet_char() [L269] mode3 = __VERIFIER_nondet_bool() [L270] alive3 = __VERIFIER_nondet_bool() [L153] int tmp ; [L156] COND TRUE (int )r1 == 0 [L157] COND TRUE ((int )alive1 + (int )alive2) + (int )alive3 >= 1 [L158] COND TRUE (int )id1 >= 0 [L159] COND TRUE (int )st1 == 0 [L160] COND TRUE (int )send1 == (int )id1 [L161] COND TRUE (int )mode1 == 0 [L162] COND TRUE (int )id2 >= 0 [L163] COND TRUE (int )st2 == 0 [L164] COND TRUE (int )send2 == (int )id2 [L165] COND TRUE (int )mode2 == 0 [L166] COND TRUE (int )id3 >= 0 [L167] COND TRUE (int )st3 == 0 [L168] COND TRUE (int )send3 == (int )id3 [L169] COND TRUE (int )mode3 == 0 [L170] COND TRUE (int )id1 != (int )id2 [L171] COND TRUE (int )id1 != (int )id3 [L172] COND TRUE (int )id2 != (int )id3 [L173] tmp = 1 [L225] return (tmp); [L271] i2 = init() [L272] COND FALSE !(!(i2)) [L273] p1_old = nomsg [L274] p1_new = nomsg [L275] p2_old = nomsg [L276] p2_new = nomsg [L277] p3_old = nomsg [L278] p3_new = nomsg [L279] i2 = 0 VAL [alive1=0, alive2=1, alive3=1, id1=125, id2=126, id3=127, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=0, send1=125, send2=126, send3=127, st1=0, st2=0, st3=0] [L280] COND TRUE i2 < 6 [L53] msg_t m1 ; [L56] m1 = nomsg [L57] COND FALSE !(\read(mode1)) [L75] COND FALSE !(\read(alive1)) [L78] mode1 = (_Bool)1 [L85] msg_t m2 ; [L88] m2 = nomsg [L89] COND FALSE !(\read(mode2)) [L106] COND TRUE \read(alive2) [L107] EXPR send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L107] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L112] mode2 = (_Bool)1 [L119] msg_t m3 ; [L122] m3 = nomsg [L123] COND FALSE !(\read(mode3)) [L140] COND TRUE \read(alive3) [L141] EXPR send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L141] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L146] mode3 = (_Bool)1 [L285] p1_old = p1_new [L286] p1_new = nomsg [L287] p2_old = p2_new [L288] p2_new = nomsg [L289] p3_old = p3_new [L290] p3_new = nomsg [L230] int tmp ; [L233] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L234] COND TRUE (int )r1 < 3 [L235] tmp = 1 [L245] return (tmp); [L291] c1 = check() [L304] COND FALSE !(! arg) VAL [alive1=0, alive2=1, alive3=1, id1=125, id2=126, id3=127, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=126, p3=0, p3_new=-1, p3_old=127, r1=0, send1=125, send2=126, send3=127, st1=0, st2=0, st3=0] [L293] i2 ++ VAL [alive1=0, alive2=1, alive3=1, id1=125, id2=126, id3=127, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=126, p3=0, p3_new=-1, p3_old=127, r1=0, send1=125, send2=126, send3=127, st1=0, st2=0, st3=0] [L280] COND TRUE i2 < 6 [L53] msg_t m1 ; [L56] m1 = nomsg [L57] COND TRUE \read(mode1) [L58] r1 = (char )((int )r1 + 1) [L59] m1 = p3_old [L60] p3_old = nomsg [L61] COND TRUE (int )m1 != (int )nomsg [L62] COND FALSE !(\read(alive1)) [L70] send1 = m1 [L73] mode1 = (_Bool)0 [L85] msg_t m2 ; [L88] m2 = nomsg [L89] COND TRUE \read(mode2) [L90] m2 = p1_old [L91] p1_old = nomsg [L92] COND FALSE !((int )m2 != (int )nomsg) [L104] mode2 = (_Bool)0 [L119] msg_t m3 ; [L122] m3 = nomsg [L123] COND TRUE \read(mode3) [L124] m3 = p2_old [L125] p2_old = nomsg [L126] COND TRUE (int )m3 != (int )nomsg [L127] COND TRUE \read(alive3) [L128] COND FALSE !((int )m3 > (int )id3) [L131] COND FALSE !((int )m3 == (int )id3) [L138] mode3 = (_Bool)0 [L285] p1_old = p1_new [L286] p1_new = nomsg [L287] p2_old = p2_new [L288] p2_new = nomsg [L289] p3_old = p3_new [L290] p3_new = nomsg [L230] int tmp ; [L233] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L234] COND TRUE (int )r1 < 3 [L235] tmp = 1 [L245] return (tmp); [L291] c1 = check() [L304] COND FALSE !(! arg) VAL [alive1=0, alive2=1, alive3=1, id1=125, id2=126, id3=127, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=127, send2=126, send3=127, st1=0, st2=0, st3=0] [L293] i2 ++ VAL [alive1=0, alive2=1, alive3=1, id1=125, id2=126, id3=127, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=127, send2=126, send3=127, st1=0, st2=0, st3=0] [L280] COND TRUE i2 < 6 [L53] msg_t m1 ; [L56] m1 = nomsg [L57] COND FALSE !(\read(mode1)) [L75] COND FALSE !(\read(alive1)) [L78] mode1 = (_Bool)1 [L85] msg_t m2 ; [L88] m2 = nomsg [L89] COND FALSE !(\read(mode2)) [L106] COND TRUE \read(alive2) [L107] EXPR send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L107] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L112] mode2 = (_Bool)1 [L119] msg_t m3 ; [L122] m3 = nomsg [L123] COND FALSE !(\read(mode3)) [L140] COND TRUE \read(alive3) [L141] EXPR send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L141] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L146] mode3 = (_Bool)1 [L285] p1_old = p1_new [L286] p1_new = nomsg [L287] p2_old = p2_new [L288] p2_new = nomsg [L289] p3_old = p3_new [L290] p3_new = nomsg [L230] int tmp ; [L233] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L234] COND TRUE (int )r1 < 3 [L235] tmp = 1 [L245] return (tmp); [L291] c1 = check() [L304] COND FALSE !(! arg) VAL [alive1=0, alive2=1, alive3=1, id1=125, id2=126, id3=127, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=126, p3=0, p3_new=-1, p3_old=127, r1=1, send1=127, send2=126, send3=127, st1=0, st2=0, st3=0] [L293] i2 ++ VAL [alive1=0, alive2=1, alive3=1, id1=125, id2=126, id3=127, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=126, p3=0, p3_new=-1, p3_old=127, r1=1, send1=127, send2=126, send3=127, st1=0, st2=0, st3=0] [L280] COND TRUE i2 < 6 [L53] msg_t m1 ; [L56] m1 = nomsg [L57] COND TRUE \read(mode1) [L58] r1 = (char )((int )r1 + 1) [L59] m1 = p3_old [L60] p3_old = nomsg [L61] COND TRUE (int )m1 != (int )nomsg [L62] COND FALSE !(\read(alive1)) [L70] send1 = m1 [L73] mode1 = (_Bool)0 [L85] msg_t m2 ; [L88] m2 = nomsg [L89] COND TRUE \read(mode2) [L90] m2 = p1_old [L91] p1_old = nomsg [L92] COND FALSE !((int )m2 != (int )nomsg) [L104] mode2 = (_Bool)0 [L119] msg_t m3 ; [L122] m3 = nomsg [L123] COND TRUE \read(mode3) [L124] m3 = p2_old [L125] p2_old = nomsg [L126] COND TRUE (int )m3 != (int )nomsg [L127] COND TRUE \read(alive3) [L128] COND FALSE !((int )m3 > (int )id3) [L131] COND FALSE !((int )m3 == (int )id3) [L138] mode3 = (_Bool)0 [L285] p1_old = p1_new [L286] p1_new = nomsg [L287] p2_old = p2_new [L288] p2_new = nomsg [L289] p3_old = p3_new [L290] p3_new = nomsg [L230] int tmp ; [L233] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L234] COND TRUE (int )r1 < 3 [L235] tmp = 1 [L245] return (tmp); [L291] c1 = check() [L304] COND FALSE !(! arg) VAL [alive1=0, alive2=1, alive3=1, id1=125, id2=126, id3=127, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=127, send2=126, send3=127, st1=0, st2=0, st3=0] [L293] i2 ++ VAL [alive1=0, alive2=1, alive3=1, id1=125, id2=126, id3=127, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=127, send2=126, send3=127, st1=0, st2=0, st3=0] [L280] COND TRUE i2 < 6 [L53] msg_t m1 ; [L56] m1 = nomsg [L57] COND FALSE !(\read(mode1)) [L75] COND FALSE !(\read(alive1)) [L78] mode1 = (_Bool)1 [L85] msg_t m2 ; [L88] m2 = nomsg [L89] COND FALSE !(\read(mode2)) [L106] COND TRUE \read(alive2) [L107] EXPR send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L107] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L112] mode2 = (_Bool)1 [L119] msg_t m3 ; [L122] m3 = nomsg [L123] COND FALSE !(\read(mode3)) [L140] COND TRUE \read(alive3) [L141] EXPR send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L141] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L146] mode3 = (_Bool)1 [L285] p1_old = p1_new [L286] p1_new = nomsg [L287] p2_old = p2_new [L288] p2_new = nomsg [L289] p3_old = p3_new [L290] p3_new = nomsg [L230] int tmp ; [L233] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L234] COND TRUE (int )r1 < 3 [L235] tmp = 1 [L245] return (tmp); [L291] c1 = check() [L304] COND FALSE !(! arg) VAL [alive1=0, alive2=1, alive3=1, id1=125, id2=126, id3=127, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=126, p3=0, p3_new=-1, p3_old=127, r1=2, send1=127, send2=126, send3=127, st1=0, st2=0, st3=0] [L293] i2 ++ VAL [alive1=0, alive2=1, alive3=1, id1=125, id2=126, id3=127, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=126, p3=0, p3_new=-1, p3_old=127, r1=2, send1=127, send2=126, send3=127, st1=0, st2=0, st3=0] [L280] COND TRUE i2 < 6 [L53] msg_t m1 ; [L56] m1 = nomsg [L57] COND TRUE \read(mode1) [L58] r1 = (char )((int )r1 + 1) [L59] m1 = p3_old [L60] p3_old = nomsg [L61] COND TRUE (int )m1 != (int )nomsg [L62] COND FALSE !(\read(alive1)) [L70] send1 = m1 [L73] mode1 = (_Bool)0 [L85] msg_t m2 ; [L88] m2 = nomsg [L89] COND TRUE \read(mode2) [L90] m2 = p1_old [L91] p1_old = nomsg [L92] COND FALSE !((int )m2 != (int )nomsg) [L104] mode2 = (_Bool)0 [L119] msg_t m3 ; [L122] m3 = nomsg [L123] COND TRUE \read(mode3) [L124] m3 = p2_old [L125] p2_old = nomsg [L126] COND TRUE (int )m3 != (int )nomsg [L127] COND TRUE \read(alive3) [L128] COND FALSE !((int )m3 > (int )id3) [L131] COND FALSE !((int )m3 == (int )id3) [L138] mode3 = (_Bool)0 [L285] p1_old = p1_new [L286] p1_new = nomsg [L287] p2_old = p2_new [L288] p2_new = nomsg [L289] p3_old = p3_new [L290] p3_new = nomsg [L230] int tmp ; [L233] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L234] COND FALSE !((int )r1 < 3) [L237] COND FALSE !(((int )st1 + (int )st2) + (int )st3 == 1) [L240] tmp = 0 [L245] return (tmp); [L291] c1 = check() [L304] COND TRUE ! arg VAL [alive1=0, alive2=1, alive3=1, id1=125, id2=126, id3=127, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=127, send2=126, send3=127, st1=0, st2=0, st3=0] [L3] __assert_fail("0", "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c", 3, "reach_error") VAL [alive1=0, alive2=1, alive3=1, id1=125, id2=126, id3=127, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=127, send2=126, send3=127, st1=0, st2=0, st3=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 88.1 MB. Free memory is still 70.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 361.61 ms. Allocated memory is still 88.1 MB. Free memory was 53.4 MB in the beginning and 40.7 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 56.21 ms. Allocated memory is still 88.1 MB. Free memory was 40.7 MB in the beginning and 38.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.44 ms. Allocated memory is still 88.1 MB. Free memory was 38.4 MB in the beginning and 36.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2447.77 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 36.8 MB in the beginning and 65.1 MB in the end (delta: -28.3 MB). Peak memory consumption was 25.8 MB. Max. memory is 16.1 GB. * CodeCheck took 110639.12 ms. Allocated memory was 107.0 MB in the beginning and 255.9 MB in the end (delta: 148.9 MB). Free memory was 65.1 MB in the beginning and 176.8 MB in the end (delta: -111.7 MB). Peak memory consumption was 36.8 MB. Max. memory is 16.1 GB. * Witness Printer took 194.98 ms. Allocated memory is still 255.9 MB. Free memory was 176.8 MB in the beginning and 168.3 MB in the end (delta: 8.5 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...