./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02cfc340-8030-4310-988a-d9a608c09665/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02cfc340-8030-4310-988a-d9a608c09665/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02cfc340-8030-4310-988a-d9a608c09665/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02cfc340-8030-4310-988a-d9a608c09665/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02cfc340-8030-4310-988a-d9a608c09665/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02cfc340-8030-4310-988a-d9a608c09665/bin/ukojak-92XMlrwhuB --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 8cf9a91c8f1111f4616406dfb4a7fdeef392d21e591ff8d6357140f3015668db --- 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-dbf71c6-m [2022-10-17 16:57:21,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:57:21,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:57:21,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:57:21,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:57:21,847 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:57:21,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:57:21,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:57:21,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:57:21,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:57:21,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:57:21,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:57:21,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:57:21,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:57:21,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:57:21,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:57:21,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:57:21,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:57:21,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:57:21,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:57:21,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:57:21,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:57:21,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:57:21,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:57:21,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:57:21,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:57:21,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:57:21,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:57:21,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:57:21,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:57:21,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:57:21,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:57:21,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:57:21,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:57:21,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:57:21,907 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:57:21,908 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:57:21,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:57:21,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:57:21,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:57:21,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:57:21,911 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02cfc340-8030-4310-988a-d9a608c09665/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:57:21,959 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:57:21,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:57:21,961 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:57:21,961 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:57:21,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:57:21,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:57:21,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:57:21,962 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:57:21,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:57:21,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:57:21,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:57:21,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:57:21,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:57:21,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:57:21,965 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:57:21,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:57:21,965 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:57:21,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:57:21,966 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:57:21,966 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:57:21,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:57:21,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:57:21,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:57:21,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:57:21,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:57:21,967 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:57:21,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:57:21,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:57:21,968 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_02cfc340-8030-4310-988a-d9a608c09665/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02cfc340-8030-4310-988a-d9a608c09665/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8cf9a91c8f1111f4616406dfb4a7fdeef392d21e591ff8d6357140f3015668db [2022-10-17 16:57:22,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:57:22,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:57:22,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:57:22,226 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:57:22,228 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:57:22,230 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02cfc340-8030-4310-988a-d9a608c09665/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c [2022-10-17 16:57:22,299 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02cfc340-8030-4310-988a-d9a608c09665/bin/ukojak-92XMlrwhuB/data/4f78a4e53/6550f7eade49427299624f529d4fdee1/FLAG1714a6a05 [2022-10-17 16:57:22,822 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:57:22,822 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02cfc340-8030-4310-988a-d9a608c09665/sv-benchmarks/c/seq-mthreaded/pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c [2022-10-17 16:57:22,832 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02cfc340-8030-4310-988a-d9a608c09665/bin/ukojak-92XMlrwhuB/data/4f78a4e53/6550f7eade49427299624f529d4fdee1/FLAG1714a6a05 [2022-10-17 16:57:23,154 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02cfc340-8030-4310-988a-d9a608c09665/bin/ukojak-92XMlrwhuB/data/4f78a4e53/6550f7eade49427299624f529d4fdee1 [2022-10-17 16:57:23,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:57:23,158 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:57:23,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:57:23,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:57:23,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:57:23,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:57:23" (1/1) ... [2022-10-17 16:57:23,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6270d48a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:23, skipping insertion in model container [2022-10-17 16:57:23,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:57:23" (1/1) ... [2022-10-17 16:57:23,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:57:23,233 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:57:23,541 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_02cfc340-8030-4310-988a-d9a608c09665/sv-benchmarks/c/seq-mthreaded/pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c[8379,8392] [2022-10-17 16:57:23,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:57:23,555 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:57:23,602 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_02cfc340-8030-4310-988a-d9a608c09665/sv-benchmarks/c/seq-mthreaded/pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c[8379,8392] [2022-10-17 16:57:23,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:57:23,619 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:57:23,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:23 WrapperNode [2022-10-17 16:57:23,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:57:23,621 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:57:23,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:57:23,621 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:57:23,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:23" (1/1) ... [2022-10-17 16:57:23,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:23" (1/1) ... [2022-10-17 16:57:23,680 INFO L138 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 272 [2022-10-17 16:57:23,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:57:23,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:57:23,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:57:23,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:57:23,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:23" (1/1) ... [2022-10-17 16:57:23,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:23" (1/1) ... [2022-10-17 16:57:23,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:23" (1/1) ... [2022-10-17 16:57:23,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:23" (1/1) ... [2022-10-17 16:57:23,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:23" (1/1) ... [2022-10-17 16:57:23,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:23" (1/1) ... [2022-10-17 16:57:23,723 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:23" (1/1) ... [2022-10-17 16:57:23,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:23" (1/1) ... [2022-10-17 16:57:23,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:57:23,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:57:23,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:57:23,730 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:57:23,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:23" (1/1) ... [2022-10-17 16:57:23,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:57:23,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02cfc340-8030-4310-988a-d9a608c09665/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:57:23,779 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02cfc340-8030-4310-988a-d9a608c09665/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:57:23,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02cfc340-8030-4310-988a-d9a608c09665/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:57:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:57:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:57:23,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:57:23,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:57:23,952 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:57:23,954 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:57:24,488 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:57:24,940 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:57:24,940 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:57:24,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:57:24 BoogieIcfgContainer [2022-10-17 16:57:24,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:57:24,944 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:57:24,944 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:57:24,954 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:57:24,954 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:57:24" (1/1) ... [2022-10-17 16:57:24,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:57:25,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:25,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-10-17 16:57:25,050 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-10-17 16:57:25,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:57:25,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:25,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:26,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:26,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:26,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-10-17 16:57:26,593 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-10-17 16:57:26,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:57:26,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:26,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:27,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:27,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:27,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2022-10-17 16:57:27,407 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2022-10-17 16:57:27,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:57:27,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:27,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:28,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:28,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:28,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2022-10-17 16:57:28,770 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2022-10-17 16:57:28,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:57:28,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:28,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:28,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:29,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:29,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:29,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2022-10-17 16:57:29,968 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2022-10-17 16:57:29,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:57:29,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:29,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:30,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:33,905 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:38,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:38,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2022-10-17 16:57:38,298 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2022-10-17 16:57:38,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:57:38,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:38,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:38,918 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:42,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:42,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 71 transitions. [2022-10-17 16:57:42,012 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 71 transitions. [2022-10-17 16:57:42,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:57:42,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:42,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:45,835 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:50,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:50,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 52 states and 84 transitions. [2022-10-17 16:57:50,686 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 84 transitions. [2022-10-17 16:57:50,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:57:50,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:50,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat