./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c17893-199d-4f01-a324-300d894382e9/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c17893-199d-4f01-a324-300d894382e9/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c17893-199d-4f01-a324-300d894382e9/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c17893-199d-4f01-a324-300d894382e9/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c17893-199d-4f01-a324-300d894382e9/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c17893-199d-4f01-a324-300d894382e9/bin/ukojak-LBtLqBUTdQ --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 d0cee5b1964cd71f7406ad577c9568bfea84778de80728dfc08113baa4a027fc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:27:02,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:27:02,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:27:02,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:27:02,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:27:02,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:27:02,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:27:02,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:27:02,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:27:02,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:27:02,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:27:02,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:27:02,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:27:02,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:27:02,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:27:02,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:27:02,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:27:02,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:27:02,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:27:02,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:27:02,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:27:02,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:27:02,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:27:02,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:27:02,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:27:02,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:27:02,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:27:02,826 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:27:02,827 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:27:02,829 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:27:02,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:27:02,830 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:27:02,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:27:02,834 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:27:02,835 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:27:02,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:27:02,836 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:27:02,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:27:02,837 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:27:02,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:27:02,839 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:27:02,840 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c17893-199d-4f01-a324-300d894382e9/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:27:02,889 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:27:02,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:27:02,891 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:27:02,891 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:27:02,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:27:02,892 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:27:02,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:27:02,893 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:27:02,899 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:27:02,899 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:27:02,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:27:02,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:27:02,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:27:02,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:27:02,901 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:27:02,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:27:02,902 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:27:02,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:27:02,902 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:27:02,902 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:27:02,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:27:02,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:27:02,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:27:02,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:27:02,904 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:27:02,904 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:27:02,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:27:02,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:27:02,905 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_worker_vcloud-master_on_vcloud-master/run_dir_52c17893-199d-4f01-a324-300d894382e9/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c17893-199d-4f01-a324-300d894382e9/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0cee5b1964cd71f7406ad577c9568bfea84778de80728dfc08113baa4a027fc [2021-11-23 01:27:03,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:27:03,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:27:03,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:27:03,209 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:27:03,210 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:27:03,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c17893-199d-4f01-a324-300d894382e9/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c [2021-11-23 01:27:03,295 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c17893-199d-4f01-a324-300d894382e9/bin/ukojak-LBtLqBUTdQ/data/825b1ac77/0cb636d199924f2c9db0570637a8d0e6/FLAGaf94aabf5 [2021-11-23 01:27:03,756 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:27:03,757 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c17893-199d-4f01-a324-300d894382e9/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c [2021-11-23 01:27:03,766 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c17893-199d-4f01-a324-300d894382e9/bin/ukojak-LBtLqBUTdQ/data/825b1ac77/0cb636d199924f2c9db0570637a8d0e6/FLAGaf94aabf5 [2021-11-23 01:27:04,099 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c17893-199d-4f01-a324-300d894382e9/bin/ukojak-LBtLqBUTdQ/data/825b1ac77/0cb636d199924f2c9db0570637a8d0e6 [2021-11-23 01:27:04,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:27:04,103 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:27:04,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:27:04,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:27:04,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:27:04,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:27:04" (1/1) ... [2021-11-23 01:27:04,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54848488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:04, skipping insertion in model container [2021-11-23 01:27:04,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:27:04" (1/1) ... [2021-11-23 01:27:04,132 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:27:04,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:27:04,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c17893-199d-4f01-a324-300d894382e9/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c[6940,6953] [2021-11-23 01:27:04,390 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:27:04,408 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:27:04,493 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c17893-199d-4f01-a324-300d894382e9/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c[6940,6953] [2021-11-23 01:27:04,494 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:27:04,515 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:27:04,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:04 WrapperNode [2021-11-23 01:27:04,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:27:04,518 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:27:04,519 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:27:04,520 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:27:04,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:04" (1/1) ... [2021-11-23 01:27:04,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:04" (1/1) ... [2021-11-23 01:27:04,593 INFO L137 Inliner]: procedures = 23, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 253 [2021-11-23 01:27:04,597 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:27:04,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:27:04,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:27:04,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:27:04,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:04" (1/1) ... [2021-11-23 01:27:04,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:04" (1/1) ... [2021-11-23 01:27:04,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:04" (1/1) ... [2021-11-23 01:27:04,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:04" (1/1) ... [2021-11-23 01:27:04,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:04" (1/1) ... [2021-11-23 01:27:04,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:04" (1/1) ... [2021-11-23 01:27:04,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:04" (1/1) ... [2021-11-23 01:27:04,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:27:04,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:27:04,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:27:04,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:27:04,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:04" (1/1) ... [2021-11-23 01:27:04,676 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:27:04,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c17893-199d-4f01-a324-300d894382e9/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:27:04,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c17893-199d-4f01-a324-300d894382e9/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:27:04,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c17893-199d-4f01-a324-300d894382e9/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:27:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:27:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:27:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:27:04,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:27:04,822 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:27:04,823 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:27:05,249 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:27:05,577 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:27:05,578 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:27:05,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:27:05 BoogieIcfgContainer [2021-11-23 01:27:05,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:27:05,581 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:27:05,581 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:27:05,591 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:27:05,592 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:27:05" (1/1) ... [2021-11-23 01:27:05,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:27:05,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:05,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2021-11-23 01:27:05,686 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2021-11-23 01:27:05,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:27:05,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:05,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:06,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:06,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:06,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2021-11-23 01:27:06,394 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2021-11-23 01:27:06,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:27:06,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:06,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:07,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:08,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:08,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2021-11-23 01:27:08,554 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2021-11-23 01:27:08,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:27:08,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:08,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:08,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:09,216 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:10,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:10,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 18 states and 32 transitions. [2021-11-23 01:27:10,720 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 32 transitions. [2021-11-23 01:27:10,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:27:10,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:10,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:21,475 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:34,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:34,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 27 states and 56 transitions. [2021-11-23 01:27:34,140 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 56 transitions. [2021-11-23 01:27:34,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:27:34,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:34,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:41,076 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:42,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:42,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 28 states and 57 transitions. [2021-11-23 01:27:42,272 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 57 transitions. [2021-11-23 01:27:42,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:27:42,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:42,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:43,578 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:49,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:49,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 34 states and 77 transitions. [2021-11-23 01:27:49,627 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 77 transitions. [2021-11-23 01:27:49,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:27:49,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:49,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:27:50,646 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:27:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:27:52,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:27:52,639 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:27:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:27:55,103 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2021-11-23 01:27:55,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:27:55 ImpRootNode [2021-11-23 01:27:55,208 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:27:55,209 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:27:55,209 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:27:55,209 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:27:55,210 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:27:05" (3/4) ... [2021-11-23 01:27:55,211 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 01:27:55,346 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c17893-199d-4f01-a324-300d894382e9/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:27:55,346 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:27:55,347 INFO L158 Benchmark]: Toolchain (without parser) took 51243.67ms. Allocated memory was 86.0MB in the beginning and 488.6MB in the end (delta: 402.7MB). Free memory was 48.8MB in the beginning and 252.9MB in the end (delta: -204.1MB). Peak memory consumption was 198.6MB. Max. memory is 16.1GB. [2021-11-23 01:27:55,347 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 86.0MB. Free memory was 65.6MB in the beginning and 65.5MB in the end (delta: 50.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:27:55,348 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.19ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 48.6MB in the beginning and 76.9MB in the end (delta: -28.4MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2021-11-23 01:27:55,349 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.19ms. Allocated memory is still 104.9MB. Free memory was 76.9MB in the beginning and 74.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:27:55,349 INFO L158 Benchmark]: Boogie Preprocessor took 60.07ms. Allocated memory is still 104.9MB. Free memory was 74.6MB in the beginning and 73.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:27:55,350 INFO L158 Benchmark]: RCFGBuilder took 922.13ms. Allocated memory is still 104.9MB. Free memory was 73.0MB in the beginning and 75.1MB in the end (delta: -2.2MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2021-11-23 01:27:55,350 INFO L158 Benchmark]: CodeCheck took 49627.11ms. Allocated memory was 104.9MB in the beginning and 488.6MB in the end (delta: 383.8MB). Free memory was 75.1MB in the beginning and 262.6MB in the end (delta: -187.5MB). Peak memory consumption was 195.6MB. Max. memory is 16.1GB. [2021-11-23 01:27:55,351 INFO L158 Benchmark]: Witness Printer took 137.25ms. Allocated memory is still 488.6MB. Free memory was 262.6MB in the beginning and 252.9MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:27:55,353 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. OverallTime: 49.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 165 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 122 mSDsluCounter, 184 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 178 mSDsCounter, 114 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 486 IncrementalHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 114 mSolverCounterUnsat, 6 mSDtfsCounter, 486 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 716 GetRequests, 580 SyntacticMatches, 24 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6127 ImplicationChecksByTransitivity, 24.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 18.4s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 9026 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 5/65 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: 316]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L28] msg_t nomsg = (msg_t )-1; [L29] unsigned char r1 ; [L30] port_t p1 ; [L31] char p1_old ; [L32] char p1_new ; [L33] char id1 ; [L34] char st1 ; [L35] msg_t send1 ; [L36] _Bool mode1 ; [L37] _Bool alive1 ; [L38] port_t p2 ; [L39] char p2_old ; [L40] char p2_new ; [L41] char id2 ; [L42] char st2 ; [L43] msg_t send2 ; [L44] _Bool mode2 ; [L45] _Bool alive2 ; [L46] port_t p3 ; [L47] char p3_old ; [L48] char p3_new ; [L49] char id3 ; [L50] char st3 ; [L51] msg_t send3 ; [L52] _Bool mode3 ; [L53] _Bool alive3 ; [L261] int c1 ; [L262] int i2 ; [L265] c1 = 0 [L266] r1 = __VERIFIER_nondet_uchar() [L267] id1 = __VERIFIER_nondet_char() [L268] st1 = __VERIFIER_nondet_char() [L269] send1 = __VERIFIER_nondet_char() [L270] mode1 = __VERIFIER_nondet_bool() [L271] alive1 = __VERIFIER_nondet_bool() [L272] id2 = __VERIFIER_nondet_char() [L273] st2 = __VERIFIER_nondet_char() [L274] send2 = __VERIFIER_nondet_char() [L275] mode2 = __VERIFIER_nondet_bool() [L276] alive2 = __VERIFIER_nondet_bool() [L277] id3 = __VERIFIER_nondet_char() [L278] st3 = __VERIFIER_nondet_char() [L279] send3 = __VERIFIER_nondet_char() [L280] mode3 = __VERIFIER_nondet_bool() [L281] alive3 = __VERIFIER_nondet_bool() [L282] CALL, EXPR init() [L164] int tmp ; [L167] COND TRUE (int )r1 == 0 [L168] COND TRUE ((int )alive1 + (int )alive2) + (int )alive3 >= 1 [L169] COND TRUE (int )id1 >= 0 [L170] COND TRUE (int )st1 == 0 [L171] COND TRUE (int )send1 == (int )id1 [L172] COND TRUE (int )mode1 == 0 [L173] COND TRUE (int )id2 >= 0 [L174] COND TRUE (int )st2 == 0 [L175] COND TRUE (int )send2 == (int )id2 [L176] COND TRUE (int )mode2 == 0 [L177] COND TRUE (int )id3 >= 0 [L178] COND TRUE (int )st3 == 0 [L179] COND TRUE (int )send3 == (int )id3 [L180] COND TRUE (int )mode3 == 0 [L181] COND TRUE (int )id1 != (int )id2 [L182] COND TRUE (int )id1 != (int )id3 [L183] COND TRUE (int )id2 != (int )id3 [L184] tmp = 1 [L236] return (tmp); [L282] RET, EXPR init() [L282] i2 = init() [L283] CALL assume_abort_if_not(i2) [L22] COND FALSE !(!cond) [L283] RET assume_abort_if_not(i2) [L284] p1_old = nomsg [L285] p1_new = nomsg [L286] p2_old = nomsg [L287] p2_new = nomsg [L288] p3_old = nomsg [L289] p3_new = nomsg [L290] i2 = 0 VAL [alive1=1, alive2=0, alive3=1, c1=0, i2=0, id1=3, id2=4, id3=1, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=0, send1=3, send2=4, send3=1, st1=0, st2=0, st3=0] [L291] COND TRUE 1 [L293] CALL node1() [L56] msg_t m1 ; [L59] m1 = nomsg [L60] COND FALSE !(\read(mode1)) [L83] COND TRUE \read(alive1) [L84] EXPR send1 != nomsg && p1_new == nomsg ? send1 : p1_new [L84] p1_new = send1 != nomsg && p1_new == nomsg ? send1 : p1_new [L89] mode1 = (_Bool)1 [L293] RET node1() [L294] CALL node2() [L96] msg_t m2 ; [L99] m2 = nomsg [L100] COND FALSE !(\read(mode2)) [L117] COND FALSE !(\read(alive2)) [L120] COND FALSE !((int )send2 != (int )id2) [L123] mode2 = (_Bool)1 [L294] RET node2() [L295] CALL node3() [L130] msg_t m3 ; [L133] m3 = nomsg [L134] COND FALSE !(\read(mode3)) [L151] COND TRUE \read(alive3) [L152] EXPR send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L152] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L157] mode3 = (_Bool)1 [L295] RET node3() [L296] p1_old = p1_new [L297] p1_new = nomsg [L298] p2_old = p2_new [L299] p2_new = nomsg [L300] p3_old = p3_new [L301] p3_new = nomsg [L302] CALL, EXPR check() [L241] int tmp ; [L244] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L245] COND TRUE (int )r1 < 3 [L246] tmp = 1 [L256] return (tmp); [L302] RET, EXPR check() [L302] c1 = check() [L303] CALL assert(c1) [L314] COND FALSE !(! arg) VAL [\old(arg)=1, alive1=1, alive2=0, alive3=1, arg=1, id1=3, id2=4, id3=1, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=3, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=1, r1=0, send1=3, send2=4, send3=1, st1=0, st2=0, st3=0] [L303] RET assert(c1) [L291] COND TRUE 1 [L293] CALL node1() [L56] msg_t m1 ; [L59] m1 = nomsg [L60] COND TRUE \read(mode1) [L61] COND FALSE !(r1 == 255) [L64] r1 = r1 + 1 [L65] m1 = p3_old [L66] p3_old = nomsg [L67] COND TRUE (int )m1 != (int )nomsg [L68] COND TRUE \read(alive1) [L69] COND FALSE !((int )m1 > (int )id1) [L72] COND FALSE !((int )m1 == (int )id1) [L75] send1 = m1 [L81] mode1 = (_Bool)0 [L293] RET node1() [L294] CALL node2() [L96] msg_t m2 ; [L99] m2 = nomsg [L100] COND TRUE \read(mode2) [L101] m2 = p1_old [L102] p1_old = nomsg [L103] COND TRUE (int )m2 != (int )nomsg [L104] COND FALSE !(\read(alive2)) [L112] send2 = m2 [L115] mode2 = (_Bool)0 [L294] RET node2() [L295] CALL node3() [L130] msg_t m3 ; [L133] m3 = nomsg [L134] COND TRUE \read(mode3) [L135] m3 = p2_old [L136] p2_old = nomsg [L137] COND FALSE !((int )m3 != (int )nomsg) [L149] mode3 = (_Bool)0 [L295] RET node3() [L296] p1_old = p1_new [L297] p1_new = nomsg [L298] p2_old = p2_new [L299] p2_new = nomsg [L300] p3_old = p3_new [L301] p3_new = nomsg [L302] CALL, EXPR check() [L241] int tmp ; [L244] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L245] COND TRUE (int )r1 < 3 [L246] tmp = 1 [L256] return (tmp); [L302] RET, EXPR check() [L302] c1 = check() [L303] CALL assert(c1) [L314] COND FALSE !(! arg) VAL [\old(arg)=1, alive1=1, alive2=0, alive3=1, arg=1, id1=3, id2=4, id3=1, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=1, send2=3, send3=1, st1=0, st2=0, st3=0] [L303] RET assert(c1) [L291] COND TRUE 1 [L293] CALL node1() [L56] msg_t m1 ; [L59] m1 = nomsg [L60] COND FALSE !(\read(mode1)) [L83] COND TRUE \read(alive1) [L84] EXPR send1 != nomsg && p1_new == nomsg ? send1 : p1_new [L84] p1_new = send1 != nomsg && p1_new == nomsg ? send1 : p1_new [L89] mode1 = (_Bool)1 [L293] RET node1() [L294] CALL node2() [L96] msg_t m2 ; [L99] m2 = nomsg [L100] COND FALSE !(\read(mode2)) [L117] COND FALSE !(\read(alive2)) [L120] COND TRUE (int )send2 != (int )id2 [L121] EXPR send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L121] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L123] mode2 = (_Bool)1 [L294] RET node2() [L295] CALL node3() [L130] msg_t m3 ; [L133] m3 = nomsg [L134] COND FALSE !(\read(mode3)) [L151] COND TRUE \read(alive3) [L152] EXPR send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L152] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L157] mode3 = (_Bool)1 [L295] RET node3() [L296] p1_old = p1_new [L297] p1_new = nomsg [L298] p2_old = p2_new [L299] p2_new = nomsg [L300] p3_old = p3_new [L301] p3_new = nomsg [L302] CALL, EXPR check() [L241] int tmp ; [L244] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L245] COND TRUE (int )r1 < 3 [L246] tmp = 1 [L256] return (tmp); [L302] RET, EXPR check() [L302] c1 = check() [L303] CALL assert(c1) [L314] COND FALSE !(! arg) VAL [\old(arg)=1, alive1=1, alive2=0, alive3=1, arg=1, id1=3, id2=4, id3=1, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=1, p2=0, p2_new=-1, p2_old=3, p3=0, p3_new=-1, p3_old=1, r1=1, send1=1, send2=3, send3=1, st1=0, st2=0, st3=0] [L303] RET assert(c1) [L291] COND TRUE 1 [L293] CALL node1() [L56] msg_t m1 ; [L59] m1 = nomsg [L60] COND TRUE \read(mode1) [L61] COND FALSE !(r1 == 255) [L64] r1 = r1 + 1 [L65] m1 = p3_old [L66] p3_old = nomsg [L67] COND TRUE (int )m1 != (int )nomsg [L68] COND TRUE \read(alive1) [L69] COND FALSE !((int )m1 > (int )id1) [L72] COND FALSE !((int )m1 == (int )id1) [L75] send1 = m1 [L81] mode1 = (_Bool)0 [L293] RET node1() [L294] CALL node2() [L96] msg_t m2 ; [L99] m2 = nomsg [L100] COND TRUE \read(mode2) [L101] m2 = p1_old [L102] p1_old = nomsg [L103] COND TRUE (int )m2 != (int )nomsg [L104] COND FALSE !(\read(alive2)) [L112] send2 = m2 [L115] mode2 = (_Bool)0 [L294] RET node2() [L295] CALL node3() [L130] msg_t m3 ; [L133] m3 = nomsg [L134] COND TRUE \read(mode3) [L135] m3 = p2_old [L136] p2_old = nomsg [L137] COND TRUE (int )m3 != (int )nomsg [L138] COND TRUE \read(alive3) [L139] COND TRUE (int )m3 > (int )id3 [L140] send3 = m3 [L149] mode3 = (_Bool)0 [L295] RET node3() [L296] p1_old = p1_new [L297] p1_new = nomsg [L298] p2_old = p2_new [L299] p2_new = nomsg [L300] p3_old = p3_new [L301] p3_new = nomsg [L302] CALL, EXPR check() [L241] int tmp ; [L244] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L245] COND TRUE (int )r1 < 3 [L246] tmp = 1 [L256] return (tmp); [L302] RET, EXPR check() [L302] c1 = check() [L303] CALL assert(c1) [L314] COND FALSE !(! arg) VAL [\old(arg)=1, alive1=1, alive2=0, alive3=1, arg=1, id1=3, id2=4, id3=1, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=1, send2=1, send3=3, st1=0, st2=0, st3=0] [L303] RET assert(c1) [L291] COND TRUE 1 [L293] CALL node1() [L56] msg_t m1 ; [L59] m1 = nomsg [L60] COND FALSE !(\read(mode1)) [L83] COND TRUE \read(alive1) [L84] EXPR send1 != nomsg && p1_new == nomsg ? send1 : p1_new [L84] p1_new = send1 != nomsg && p1_new == nomsg ? send1 : p1_new [L89] mode1 = (_Bool)1 [L293] RET node1() [L294] CALL node2() [L96] msg_t m2 ; [L99] m2 = nomsg [L100] COND FALSE !(\read(mode2)) [L117] COND FALSE !(\read(alive2)) [L120] COND TRUE (int )send2 != (int )id2 [L121] EXPR send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L121] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L123] mode2 = (_Bool)1 [L294] RET node2() [L295] CALL node3() [L130] msg_t m3 ; [L133] m3 = nomsg [L134] COND FALSE !(\read(mode3)) [L151] COND TRUE \read(alive3) [L152] EXPR send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L152] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L157] mode3 = (_Bool)1 [L295] RET node3() [L296] p1_old = p1_new [L297] p1_new = nomsg [L298] p2_old = p2_new [L299] p2_new = nomsg [L300] p3_old = p3_new [L301] p3_new = nomsg [L302] CALL, EXPR check() [L241] int tmp ; [L244] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L245] COND TRUE (int )r1 < 3 [L246] tmp = 1 [L256] return (tmp); [L302] RET, EXPR check() [L302] c1 = check() [L303] CALL assert(c1) [L314] COND FALSE !(! arg) VAL [\old(arg)=1, alive1=1, alive2=0, alive3=1, arg=1, id1=3, id2=4, id3=1, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=1, p2=0, p2_new=-1, p2_old=1, p3=0, p3_new=-1, p3_old=3, r1=2, send1=1, send2=1, send3=3, st1=0, st2=0, st3=0] [L303] RET assert(c1) [L291] COND TRUE 1 [L293] CALL node1() [L56] msg_t m1 ; [L59] m1 = nomsg [L60] COND TRUE \read(mode1) [L61] COND FALSE !(r1 == 255) [L64] r1 = r1 + 1 [L65] m1 = p3_old [L66] p3_old = nomsg [L67] COND TRUE (int )m1 != (int )nomsg [L68] COND TRUE \read(alive1) [L69] COND FALSE !((int )m1 > (int )id1) [L72] COND TRUE (int )m1 == (int )id1 [L73] st1 = (char)1 [L81] mode1 = (_Bool)0 [L293] RET node1() [L294] CALL node2() [L96] msg_t m2 ; [L99] m2 = nomsg [L100] COND TRUE \read(mode2) [L101] m2 = p1_old [L102] p1_old = nomsg [L103] COND TRUE (int )m2 != (int )nomsg [L104] COND FALSE !(\read(alive2)) [L112] send2 = m2 [L115] mode2 = (_Bool)0 [L294] RET node2() [L295] CALL node3() [L130] msg_t m3 ; [L133] m3 = nomsg [L134] COND TRUE \read(mode3) [L135] m3 = p2_old [L136] p2_old = nomsg [L137] COND TRUE (int )m3 != (int )nomsg [L138] COND TRUE \read(alive3) [L139] COND FALSE !((int )m3 > (int )id3) [L142] COND TRUE (int )m3 == (int )id3 [L143] st3 = (char)1 [L149] mode3 = (_Bool)0 [L295] RET node3() [L296] p1_old = p1_new [L297] p1_new = nomsg [L298] p2_old = p2_new [L299] p2_new = nomsg [L300] p3_old = p3_new [L301] p3_new = nomsg [L302] CALL, EXPR check() [L241] int tmp ; [L244] COND FALSE !(((int )st1 + (int )st2) + (int )st3 <= 1) [L254] tmp = 0 [L256] return (tmp); [L302] RET, EXPR check() [L302] c1 = check() [L303] CALL assert(c1) [L314] COND TRUE ! arg VAL [\old(arg)=0, alive1=1, alive2=0, alive3=1, arg=0, id1=3, id2=4, id3=1, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=1, send2=1, send3=3, st1=1, st2=0, st3=1] [L316] reach_error() VAL [\old(arg)=0, alive1=1, alive2=0, alive3=1, arg=0, id1=3, id2=4, id3=1, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=1, send2=1, send3=3, st1=1, st2=0, st3=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 86.0MB. Free memory was 65.6MB in the beginning and 65.5MB in the end (delta: 50.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 396.19ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 48.6MB in the beginning and 76.9MB in the end (delta: -28.4MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.19ms. Allocated memory is still 104.9MB. Free memory was 76.9MB in the beginning and 74.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.07ms. Allocated memory is still 104.9MB. Free memory was 74.6MB in the beginning and 73.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 922.13ms. Allocated memory is still 104.9MB. Free memory was 73.0MB in the beginning and 75.1MB in the end (delta: -2.2MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * CodeCheck took 49627.11ms. Allocated memory was 104.9MB in the beginning and 488.6MB in the end (delta: 383.8MB). Free memory was 75.1MB in the beginning and 262.6MB in the end (delta: -187.5MB). Peak memory consumption was 195.6MB. Max. memory is 16.1GB. * Witness Printer took 137.25ms. Allocated memory is still 488.6MB. Free memory was 262.6MB in the beginning and 252.9MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 01:27:55,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c17893-199d-4f01-a324-300d894382e9/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE