./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.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_7c7fa044-8391-4498-a658-29790a8bb34c/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7fa044-8391-4498-a658-29790a8bb34c/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_7c7fa044-8391-4498-a658-29790a8bb34c/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7fa044-8391-4498-a658-29790a8bb34c/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7fa044-8391-4498-a658-29790a8bb34c/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_7c7fa044-8391-4498-a658-29790a8bb34c/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 6fcbb6774587cda7a5d573623a9a47b3e351563c8bea7eebdf86bc25d20b8061 --- 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 16:42:43,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:42:43,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:42:43,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:42:43,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:42:43,527 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:42:43,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:42:43,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:42:43,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:42:43,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:42:43,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:42:43,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:42:43,542 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:42:43,544 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:42:43,547 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:42:43,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:42:43,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:42:43,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:42:43,562 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:42:43,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:42:43,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:42:43,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:42:43,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:42:43,583 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:42:43,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:42:43,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:42:43,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:42:43,596 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:42:43,598 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:42:43,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:42:43,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:42:43,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:42:43,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:42:43,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:42:43,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:42:43,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:42:43,610 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:42:43,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:42:43,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:42:43,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:42:43,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:42:43,615 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7fa044-8391-4498-a658-29790a8bb34c/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:42:43,650 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:42:43,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:42:43,652 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:42:43,652 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:42:43,653 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:42:43,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:42:43,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:42:43,654 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:42:43,654 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:42:43,655 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:42:43,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:42:43,655 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:42:43,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:42:43,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:42:43,656 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:42:43,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:42:43,657 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:42:43,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:42:43,657 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:42:43,657 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:42:43,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:42:43,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:42:43,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:42:43,658 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:42:43,659 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:42:43,659 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:42:43,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:42:43,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:42:43,660 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_7c7fa044-8391-4498-a658-29790a8bb34c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7fa044-8391-4498-a658-29790a8bb34c/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fcbb6774587cda7a5d573623a9a47b3e351563c8bea7eebdf86bc25d20b8061 [2022-10-17 16:42:43,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:42:43,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:42:43,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:42:43,965 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:42:43,967 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:42:43,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7fa044-8391-4498-a658-29790a8bb34c/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-17 16:42:44,054 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7fa044-8391-4498-a658-29790a8bb34c/bin/ukojak-92XMlrwhuB/data/6436b21af/a515cf1933c1432db900e2d748e89e9f/FLAG3f02423d2 [2022-10-17 16:42:44,691 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:42:44,692 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7fa044-8391-4498-a658-29790a8bb34c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-17 16:42:44,716 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7fa044-8391-4498-a658-29790a8bb34c/bin/ukojak-92XMlrwhuB/data/6436b21af/a515cf1933c1432db900e2d748e89e9f/FLAG3f02423d2 [2022-10-17 16:42:44,857 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7fa044-8391-4498-a658-29790a8bb34c/bin/ukojak-92XMlrwhuB/data/6436b21af/a515cf1933c1432db900e2d748e89e9f [2022-10-17 16:42:44,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:42:44,861 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:42:44,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:42:44,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:42:44,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:42:44,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:42:44" (1/1) ... [2022-10-17 16:42:44,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56264f17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:44, skipping insertion in model container [2022-10-17 16:42:44,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:42:44" (1/1) ... [2022-10-17 16:42:44,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:42:44,978 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:42:45,396 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_7c7fa044-8391-4498-a658-29790a8bb34c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[8891,8904] [2022-10-17 16:42:45,446 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_7c7fa044-8391-4498-a658-29790a8bb34c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[12143,12156] [2022-10-17 16:42:45,465 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_7c7fa044-8391-4498-a658-29790a8bb34c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13299,13312] [2022-10-17 16:42:45,480 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_7c7fa044-8391-4498-a658-29790a8bb34c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13955,13968] [2022-10-17 16:42:45,508 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_7c7fa044-8391-4498-a658-29790a8bb34c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15434,15447] [2022-10-17 16:42:45,516 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_7c7fa044-8391-4498-a658-29790a8bb34c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16090,16103] [2022-10-17 16:42:45,526 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_7c7fa044-8391-4498-a658-29790a8bb34c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17074,17087] [2022-10-17 16:42:45,540 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_7c7fa044-8391-4498-a658-29790a8bb34c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19370,19383] [2022-10-17 16:42:45,550 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_7c7fa044-8391-4498-a658-29790a8bb34c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20029,20042] [2022-10-17 16:42:45,556 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_7c7fa044-8391-4498-a658-29790a8bb34c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21011,21024] [2022-10-17 16:42:45,567 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_7c7fa044-8391-4498-a658-29790a8bb34c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22802,22815] [2022-10-17 16:42:45,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:42:45,689 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:42:45,773 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_7c7fa044-8391-4498-a658-29790a8bb34c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[8891,8904] [2022-10-17 16:42:45,787 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_7c7fa044-8391-4498-a658-29790a8bb34c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[12143,12156] [2022-10-17 16:42:45,800 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_7c7fa044-8391-4498-a658-29790a8bb34c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13299,13312] [2022-10-17 16:42:45,808 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_7c7fa044-8391-4498-a658-29790a8bb34c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13955,13968] [2022-10-17 16:42:45,818 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_7c7fa044-8391-4498-a658-29790a8bb34c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15434,15447] [2022-10-17 16:42:45,822 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_7c7fa044-8391-4498-a658-29790a8bb34c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16090,16103] [2022-10-17 16:42:45,827 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_7c7fa044-8391-4498-a658-29790a8bb34c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17074,17087] [2022-10-17 16:42:45,836 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_7c7fa044-8391-4498-a658-29790a8bb34c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19370,19383] [2022-10-17 16:42:45,840 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_7c7fa044-8391-4498-a658-29790a8bb34c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20029,20042] [2022-10-17 16:42:45,845 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_7c7fa044-8391-4498-a658-29790a8bb34c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21011,21024] [2022-10-17 16:42:45,862 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_7c7fa044-8391-4498-a658-29790a8bb34c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22802,22815] [2022-10-17 16:42:45,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:42:45,954 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:42:45,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:45 WrapperNode [2022-10-17 16:42:45,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:42:45,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:42:45,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:42:45,956 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:42:45,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:45" (1/1) ... [2022-10-17 16:42:45,989 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:45" (1/1) ... [2022-10-17 16:42:46,102 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1788 [2022-10-17 16:42:46,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:42:46,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:42:46,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:42:46,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:42:46,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:45" (1/1) ... [2022-10-17 16:42:46,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:45" (1/1) ... [2022-10-17 16:42:46,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:45" (1/1) ... [2022-10-17 16:42:46,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:45" (1/1) ... [2022-10-17 16:42:46,158 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:45" (1/1) ... [2022-10-17 16:42:46,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:45" (1/1) ... [2022-10-17 16:42:46,179 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:45" (1/1) ... [2022-10-17 16:42:46,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:45" (1/1) ... [2022-10-17 16:42:46,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:42:46,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:42:46,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:42:46,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:42:46,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:45" (1/1) ... [2022-10-17 16:42:46,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:42:46,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7fa044-8391-4498-a658-29790a8bb34c/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:42:46,272 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7fa044-8391-4498-a658-29790a8bb34c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:42:46,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7fa044-8391-4498-a658-29790a8bb34c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:42:46,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:42:46,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:42:46,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:42:46,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:42:46,573 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:42:46,575 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:42:47,898 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:42:48,141 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:42:48,141 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:42:48,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:42:48 BoogieIcfgContainer [2022-10-17 16:42:48,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:42:48,146 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:42:48,146 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:42:48,157 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:42:48,157 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:42:48" (1/1) ... [2022-10-17 16:42:48,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:42:48,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:48,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 336 states and 598 transitions. [2022-10-17 16:42:48,278 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 598 transitions. [2022-10-17 16:42:48,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 16:42:48,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:48,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:48,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:48,967 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 16:42:49,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:49,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 323 states and 570 transitions. [2022-10-17 16:42:49,133 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 570 transitions. [2022-10-17 16:42:49,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:42:49,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:49,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:49,362 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 16:42:49,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:49,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 310 states and 543 transitions. [2022-10-17 16:42:49,435 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 543 transitions. [2022-10-17 16:42:49,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:42:49,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:49,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:49,618 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 16:42:49,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:49,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 297 states and 516 transitions. [2022-10-17 16:42:49,655 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 516 transitions. [2022-10-17 16:42:49,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:42:49,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:49,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:49,850 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 16:42:50,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:50,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 262 states and 447 transitions. [2022-10-17 16:42:50,276 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 447 transitions. [2022-10-17 16:42:50,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:42:50,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:50,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:50,457 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 16:42:51,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:51,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 257 states and 436 transitions. [2022-10-17 16:42:51,221 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 436 transitions. [2022-10-17 16:42:51,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:42:51,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:51,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:51,377 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 16:42:51,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:51,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 244 states and 409 transitions. [2022-10-17 16:42:51,412 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 409 transitions. [2022-10-17 16:42:51,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 16:42:51,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:51,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:51,610 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 16:42:53,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:53,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 233 states and 388 transitions. [2022-10-17 16:42:53,006 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 388 transitions. [2022-10-17 16:42:53,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 16:42:53,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:53,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:53,097 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 16:42:53,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:53,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 228 states and 377 transitions. [2022-10-17 16:42:53,143 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 377 transitions. [2022-10-17 16:42:53,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 16:42:53,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:53,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:53,727 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 16:42:57,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:57,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 228 states and 376 transitions. [2022-10-17 16:42:57,141 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 376 transitions. [2022-10-17 16:42:57,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 16:42:57,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:57,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:57,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:58,014 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 16:43:03,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:03,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 228 states and 374 transitions. [2022-10-17 16:43:03,364 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 374 transitions. [2022-10-17 16:43:03,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 16:43:03,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:03,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:04,220 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 16:43:06,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:06,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 231 states and 377 transitions. [2022-10-17 16:43:06,358 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 377 transitions. [2022-10-17 16:43:06,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 16:43:06,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:06,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:07,201 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 16:43:14,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:14,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 231 states and 375 transitions. [2022-10-17 16:43:14,272 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 375 transitions. [2022-10-17 16:43:14,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 16:43:14,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:14,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:15,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.