./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 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d4483a-2a9f-49c2-8326-06d7c3426b87/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d4483a-2a9f-49c2-8326-06d7c3426b87/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d4483a-2a9f-49c2-8326-06d7c3426b87/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d4483a-2a9f-49c2-8326-06d7c3426b87/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d4483a-2a9f-49c2-8326-06d7c3426b87/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d4483a-2a9f-49c2-8326-06d7c3426b87/bin/ukojak-rkRKPMF4O4 --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 a7eb970df9460734baa401f9be0d88efb243a90e1dffe6744cd9f9a47afa0217 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 00:02:44,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:02:44,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:02:44,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:02:44,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:02:44,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:02:44,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:02:44,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:02:44,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:02:44,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:02:44,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:02:44,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:02:44,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:02:44,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:02:44,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:02:44,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:02:44,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:02:44,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:02:44,620 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:02:44,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:02:44,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:02:44,623 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:02:44,624 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:02:44,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:02:44,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:02:44,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:02:44,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:02:44,628 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:02:44,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:02:44,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:02:44,630 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:02:44,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:02:44,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:02:44,631 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:02:44,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:02:44,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:02:44,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:02:44,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:02:44,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:02:44,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:02:44,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:02:44,635 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d4483a-2a9f-49c2-8326-06d7c3426b87/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 00:02:44,650 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:02:44,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:02:44,651 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:02:44,651 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:02:44,652 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:02:44,652 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:02:44,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:02:44,652 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:02:44,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:02:44,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:02:44,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:02:44,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:02:44,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:02:44,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:02:44,653 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:02:44,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:02:44,654 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:02:44,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:02:44,654 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:02:44,654 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:02:44,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:02:44,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:02:44,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:02:44,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:02:44,655 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:02:44,655 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:02:44,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:02:44,655 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:02:44,656 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_a6d4483a-2a9f-49c2-8326-06d7c3426b87/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d4483a-2a9f-49c2-8326-06d7c3426b87/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7eb970df9460734baa401f9be0d88efb243a90e1dffe6744cd9f9a47afa0217 [2022-12-15 00:02:44,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:02:44,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:02:44,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:02:44,862 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:02:44,863 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:02:44,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d4483a-2a9f-49c2-8326-06d7c3426b87/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c [2022-12-15 00:02:47,455 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:02:47,602 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:02:47,602 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d4483a-2a9f-49c2-8326-06d7c3426b87/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c [2022-12-15 00:02:47,608 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d4483a-2a9f-49c2-8326-06d7c3426b87/bin/ukojak-rkRKPMF4O4/data/3bf86d7ea/196870b96639414bb85788fecc6954cd/FLAGb77de9c06 [2022-12-15 00:02:47,618 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d4483a-2a9f-49c2-8326-06d7c3426b87/bin/ukojak-rkRKPMF4O4/data/3bf86d7ea/196870b96639414bb85788fecc6954cd [2022-12-15 00:02:47,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:02:47,621 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:02:47,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:02:47,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:02:47,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:02:47,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:02:47" (1/1) ... [2022-12-15 00:02:47,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a6f659b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:47, skipping insertion in model container [2022-12-15 00:02:47,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:02:47" (1/1) ... [2022-12-15 00:02:47,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:02:47,664 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:02:47,825 WARN L237 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_a6d4483a-2a9f-49c2-8326-06d7c3426b87/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c[6691,6704] [2022-12-15 00:02:47,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:02:47,839 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:02:47,871 WARN L237 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_a6d4483a-2a9f-49c2-8326-06d7c3426b87/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c[6691,6704] [2022-12-15 00:02:47,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:02:47,884 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:02:47,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:47 WrapperNode [2022-12-15 00:02:47,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:02:47,886 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:02:47,886 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:02:47,886 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:02:47,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:47" (1/1) ... [2022-12-15 00:02:47,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:47" (1/1) ... [2022-12-15 00:02:47,927 INFO L138 Inliner]: procedures = 21, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 226 [2022-12-15 00:02:47,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:02:47,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:02:47,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:02:47,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:02:47,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:47" (1/1) ... [2022-12-15 00:02:47,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:47" (1/1) ... [2022-12-15 00:02:47,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:47" (1/1) ... [2022-12-15 00:02:47,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:47" (1/1) ... [2022-12-15 00:02:47,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:47" (1/1) ... [2022-12-15 00:02:47,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:47" (1/1) ... [2022-12-15 00:02:47,952 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:47" (1/1) ... [2022-12-15 00:02:47,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:47" (1/1) ... [2022-12-15 00:02:47,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:02:47,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:02:47,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:02:47,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:02:47,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:47" (1/1) ... [2022-12-15 00:02:47,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:02:47,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d4483a-2a9f-49c2-8326-06d7c3426b87/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:02:47,988 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d4483a-2a9f-49c2-8326-06d7c3426b87/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:02:47,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d4483a-2a9f-49c2-8326-06d7c3426b87/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:02:48,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:02:48,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 00:02:48,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:02:48,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:02:48,083 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:02:48,085 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:02:48,350 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:02:48,599 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:02:48,599 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 00:02:48,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:02:48 BoogieIcfgContainer [2022-12-15 00:02:48,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:02:48,603 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:02:48,603 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:02:48,612 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:02:48,613 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:02:48" (1/1) ... [2022-12-15 00:02:48,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:02:48,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:48,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-12-15 00:02:48,673 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-12-15 00:02:48,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 00:02:48,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:48,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:49,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:02:49,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:49,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2022-12-15 00:02:49,472 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2022-12-15 00:02:49,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 00:02:49,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:49,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:51,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:02:51,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:51,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 13 states and 22 transitions. [2022-12-15 00:02:51,983 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 22 transitions. [2022-12-15 00:02:51,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 00:02:51,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:51,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:53,501 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:02:54,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:54,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 19 states and 38 transitions. [2022-12-15 00:02:54,943 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 38 transitions. [2022-12-15 00:02:54,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 00:02:54,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:54,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:55,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:03:08,843 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:03:20,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:03:20,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 28 states and 65 transitions. [2022-12-15 00:03:20,377 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 65 transitions. [2022-12-15 00:03:20,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 00:03:20,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:03:20,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:03:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:03:31,738 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:03:52,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:03:52,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 38 states and 100 transitions. [2022-12-15 00:03:52,879 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 100 transitions. [2022-12-15 00:03:52,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 00:03:52,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:03:52,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:03:52,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:03:54,944 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:04:02,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:04:02,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 44 states and 124 transitions. [2022-12-15 00:04:02,191 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 124 transitions. [2022-12-15 00:04:02,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 00:04:02,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:04:02,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:04:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 00:04:02,344 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 00:04:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 00:04:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 00:04:02,940 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 00:04:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 00:04:03,070 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2022-12-15 00:04:03,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 12:04:03 ImpRootNode [2022-12-15 00:04:03,117 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 00:04:03,117 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 00:04:03,117 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 00:04:03,117 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 00:04:03,118 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:02:48" (3/4) ... [2022-12-15 00:04:03,119 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-15 00:04:03,217 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d4483a-2a9f-49c2-8326-06d7c3426b87/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 00:04:03,218 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 00:04:03,218 INFO L158 Benchmark]: Toolchain (without parser) took 75596.81ms. Allocated memory was 119.5MB in the beginning and 629.1MB in the end (delta: 509.6MB). Free memory was 86.7MB in the beginning and 301.4MB in the end (delta: -214.7MB). Peak memory consumption was 298.0MB. Max. memory is 16.1GB. [2022-12-15 00:04:03,219 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:04:03,219 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.71ms. Allocated memory is still 119.5MB. Free memory was 86.7MB in the beginning and 73.3MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-15 00:04:03,219 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.54ms. Allocated memory is still 119.5MB. Free memory was 73.3MB in the beginning and 71.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:04:03,220 INFO L158 Benchmark]: Boogie Preprocessor took 29.67ms. Allocated memory is still 119.5MB. Free memory was 71.2MB in the beginning and 69.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:04:03,220 INFO L158 Benchmark]: RCFGBuilder took 643.58ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 69.1MB in the beginning and 71.0MB in the end (delta: -1.9MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2022-12-15 00:04:03,220 INFO L158 Benchmark]: CodeCheck took 74513.91ms. Allocated memory was 144.7MB in the beginning and 629.1MB in the end (delta: 484.4MB). Free memory was 71.0MB in the beginning and 309.8MB in the end (delta: -238.8MB). Peak memory consumption was 245.4MB. Max. memory is 16.1GB. [2022-12-15 00:04:03,221 INFO L158 Benchmark]: Witness Printer took 100.80ms. Allocated memory is still 629.1MB. Free memory was 309.8MB in the beginning and 301.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-15 00:04:03,222 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: 74.4s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 184 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 150 mSDsluCounter, 226 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 220 mSDsCounter, 134 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 702 IncrementalHoareTripleChecker+Invalid, 836 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 134 mSolverCounterUnsat, 6 mSDtfsCounter, 702 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 812 GetRequests, 640 SyntacticMatches, 16 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12491 ImplicationChecksByTransitivity, 44.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 30.7s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 7597 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 7/65 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: 306]: a call to reach_error is reachable a call to reach_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() [L271] CALL, EXPR init() [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] RET, EXPR init() [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=0, alive3=255, c1=0, i2=0, id1=0, id2=2, id3=1, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=0, send1=0, send2=2, send3=1, st1=0, st2=0, st3=0] [L280] COND TRUE i2 < 6 [L282] CALL node1() [L53] msg_t m1 ; [L56] m1 = nomsg [L57] COND FALSE !(\read(mode1)) [L75] COND FALSE !(\read(alive1)) [L78] mode1 = (_Bool)1 [L282] RET node1() [L283] CALL node2() [L85] msg_t m2 ; [L88] m2 = nomsg [L89] COND FALSE !(\read(mode2)) [L106] COND FALSE !(\read(alive2)) [L109] COND FALSE !((int )send2 != (int )id2) [L112] mode2 = (_Bool)1 [L283] RET node2() [L284] CALL node3() [L119] msg_t m3 ; [L122] m3 = nomsg [L123] COND FALSE !(\read(mode3)) [L140] COND TRUE \read(alive3) [L141] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L146] mode3 = (_Bool)1 [L284] RET node3() [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 [L291] CALL, EXPR check() [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] RET, EXPR check() [L291] c1 = check() [L292] CALL assert(c1) [L304] COND FALSE !(! arg) VAL [\old(arg)=1, alive1=0, alive2=0, alive3=255, arg=1, id1=0, id2=2, id3=1, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=1, r1=0, send1=0, send2=2, send3=1, st1=0, st2=0, st3=0] [L292] RET assert(c1) [L293] i2 ++ VAL [alive1=0, alive2=0, alive3=255, c1=1, i2=1, id1=0, id2=2, id3=1, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=1, r1=0, send1=0, send2=2, send3=1, st1=0, st2=0, st3=0] [L280] COND TRUE i2 < 6 [L282] CALL node1() [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 [L282] RET node1() [L283] CALL node2() [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 [L283] RET node2() [L284] CALL node3() [L119] msg_t m3 ; [L122] m3 = nomsg [L123] COND TRUE \read(mode3) [L124] m3 = p2_old [L125] p2_old = nomsg [L126] COND FALSE !((int )m3 != (int )nomsg) [L138] mode3 = (_Bool)0 [L284] RET node3() [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 [L291] CALL, EXPR check() [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] RET, EXPR check() [L291] c1 = check() [L292] CALL assert(c1) [L304] COND FALSE !(! arg) VAL [\old(arg)=1, alive1=0, alive2=0, alive3=255, arg=1, id1=0, id2=2, id3=1, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=1, send2=2, send3=1, st1=0, st2=0, st3=0] [L292] RET assert(c1) [L293] i2 ++ VAL [alive1=0, alive2=0, alive3=255, c1=1, i2=2, id1=0, id2=2, id3=1, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=1, send2=2, send3=1, st1=0, st2=0, st3=0] [L280] COND TRUE i2 < 6 [L282] CALL node1() [L53] msg_t m1 ; [L56] m1 = nomsg [L57] COND FALSE !(\read(mode1)) [L75] COND FALSE !(\read(alive1)) [L78] mode1 = (_Bool)1 [L282] RET node1() [L283] CALL node2() [L85] msg_t m2 ; [L88] m2 = nomsg [L89] COND FALSE !(\read(mode2)) [L106] COND FALSE !(\read(alive2)) [L109] COND FALSE !((int )send2 != (int )id2) [L112] mode2 = (_Bool)1 [L283] RET node2() [L284] CALL node3() [L119] msg_t m3 ; [L122] m3 = nomsg [L123] COND FALSE !(\read(mode3)) [L140] COND TRUE \read(alive3) [L141] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L146] mode3 = (_Bool)1 [L284] RET node3() [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 [L291] CALL, EXPR check() [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] RET, EXPR check() [L291] c1 = check() [L292] CALL assert(c1) [L304] COND FALSE !(! arg) VAL [\old(arg)=1, alive1=0, alive2=0, alive3=255, arg=1, id1=0, id2=2, id3=1, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=1, r1=1, send1=1, send2=2, send3=1, st1=0, st2=0, st3=0] [L292] RET assert(c1) [L293] i2 ++ VAL [alive1=0, alive2=0, alive3=255, c1=1, i2=3, id1=0, id2=2, id3=1, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=1, r1=1, send1=1, send2=2, send3=1, st1=0, st2=0, st3=0] [L280] COND TRUE i2 < 6 [L282] CALL node1() [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 [L282] RET node1() [L283] CALL node2() [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 [L283] RET node2() [L284] CALL node3() [L119] msg_t m3 ; [L122] m3 = nomsg [L123] COND TRUE \read(mode3) [L124] m3 = p2_old [L125] p2_old = nomsg [L126] COND FALSE !((int )m3 != (int )nomsg) [L138] mode3 = (_Bool)0 [L284] RET node3() [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 [L291] CALL, EXPR check() [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] RET, EXPR check() [L291] c1 = check() [L292] CALL assert(c1) [L304] COND FALSE !(! arg) VAL [\old(arg)=1, alive1=0, alive2=0, alive3=255, arg=1, id1=0, id2=2, id3=1, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=1, send2=2, send3=1, st1=0, st2=0, st3=0] [L292] RET assert(c1) [L293] i2 ++ VAL [alive1=0, alive2=0, alive3=255, c1=1, i2=4, id1=0, id2=2, id3=1, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=1, send2=2, send3=1, st1=0, st2=0, st3=0] [L280] COND TRUE i2 < 6 [L282] CALL node1() [L53] msg_t m1 ; [L56] m1 = nomsg [L57] COND FALSE !(\read(mode1)) [L75] COND FALSE !(\read(alive1)) [L78] mode1 = (_Bool)1 [L282] RET node1() [L283] CALL node2() [L85] msg_t m2 ; [L88] m2 = nomsg [L89] COND FALSE !(\read(mode2)) [L106] COND FALSE !(\read(alive2)) [L109] COND FALSE !((int )send2 != (int )id2) [L112] mode2 = (_Bool)1 [L283] RET node2() [L284] CALL node3() [L119] msg_t m3 ; [L122] m3 = nomsg [L123] COND FALSE !(\read(mode3)) [L140] COND TRUE \read(alive3) [L141] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L146] mode3 = (_Bool)1 [L284] RET node3() [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 [L291] CALL, EXPR check() [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] RET, EXPR check() [L291] c1 = check() [L292] CALL assert(c1) [L304] COND FALSE !(! arg) VAL [\old(arg)=1, alive1=0, alive2=0, alive3=255, arg=1, id1=0, id2=2, id3=1, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=1, r1=2, send1=1, send2=2, send3=1, st1=0, st2=0, st3=0] [L292] RET assert(c1) [L293] i2 ++ VAL [alive1=0, alive2=0, alive3=255, c1=1, i2=5, id1=0, id2=2, id3=1, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=1, r1=2, send1=1, send2=2, send3=1, st1=0, st2=0, st3=0] [L280] COND TRUE i2 < 6 [L282] CALL node1() [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 [L282] RET node1() [L283] CALL node2() [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 [L283] RET node2() [L284] CALL node3() [L119] msg_t m3 ; [L122] m3 = nomsg [L123] COND TRUE \read(mode3) [L124] m3 = p2_old [L125] p2_old = nomsg [L126] COND FALSE !((int )m3 != (int )nomsg) [L138] mode3 = (_Bool)0 [L284] RET node3() [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 [L291] CALL, EXPR check() [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] RET, EXPR check() [L291] c1 = check() [L292] CALL assert(c1) [L304] COND TRUE ! arg VAL [\old(arg)=0, alive1=0, alive2=0, alive3=255, arg=0, id1=0, id2=2, id3=1, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=1, send2=2, send3=1, st1=0, st2=0, st3=0] [L306] reach_error() VAL [\old(arg)=0, alive1=0, alive2=0, alive3=255, arg=0, id1=0, id2=2, id3=1, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=1, send2=2, send3=1, st1=0, st2=0, st3=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.71ms. Allocated memory is still 119.5MB. Free memory was 86.7MB in the beginning and 73.3MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.54ms. Allocated memory is still 119.5MB. Free memory was 73.3MB in the beginning and 71.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.67ms. Allocated memory is still 119.5MB. Free memory was 71.2MB in the beginning and 69.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 643.58ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 69.1MB in the beginning and 71.0MB in the end (delta: -1.9MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * CodeCheck took 74513.91ms. Allocated memory was 144.7MB in the beginning and 629.1MB in the end (delta: 484.4MB). Free memory was 71.0MB in the beginning and 309.8MB in the end (delta: -238.8MB). Peak memory consumption was 245.4MB. Max. memory is 16.1GB. * Witness Printer took 100.80ms. Allocated memory is still 629.1MB. Free memory was 309.8MB in the beginning and 301.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-15 00:04:03,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d4483a-2a9f-49c2-8326-06d7c3426b87/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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