./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c0345c-c125-450f-9583-a6a7952dd43e/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c0345c-c125-450f-9583-a6a7952dd43e/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c0345c-c125-450f-9583-a6a7952dd43e/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c0345c-c125-450f-9583-a6a7952dd43e/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c0345c-c125-450f-9583-a6a7952dd43e/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c0345c-c125-450f-9583-a6a7952dd43e/bin/ukojak-pZX7IvK2PQ --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 10aecdd717bb6691571ad1da0b912f030832fb85361f767ea82293acfe046216 --- 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-6b4ec56 [2022-11-20 17:02:18,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:02:18,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:02:18,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:02:18,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:02:18,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:02:18,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:02:18,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:02:18,637 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:02:18,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:02:18,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:02:18,645 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:02:18,645 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:02:18,646 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:02:18,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:02:18,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:02:18,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:02:18,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:02:18,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:02:18,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:02:18,665 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:02:18,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:02:18,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:02:18,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:02:18,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:02:18,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:02:18,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:02:18,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:02:18,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:02:18,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:02:18,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:02:18,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:02:18,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:02:18,685 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:02:18,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:02:18,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:02:18,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:02:18,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:02:18,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:02:18,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:02:18,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:02:18,697 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c0345c-c125-450f-9583-a6a7952dd43e/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-20 17:02:18,729 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:02:18,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:02:18,730 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:02:18,730 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:02:18,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:02:18,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:02:18,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:02:18,732 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:02:18,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:02:18,733 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:02:18,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:02:18,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:02:18,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:02:18,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:02:18,734 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:02:18,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:02:18,735 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:02:18,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:02:18,735 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:02:18,735 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:02:18,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:02:18,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:02:18,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:02:18,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:02:18,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:02:18,736 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:02:18,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:02:18,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:02:18,737 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_84c0345c-c125-450f-9583-a6a7952dd43e/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c0345c-c125-450f-9583-a6a7952dd43e/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10aecdd717bb6691571ad1da0b912f030832fb85361f767ea82293acfe046216 [2022-11-20 17:02:18,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:02:19,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:02:19,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:02:19,021 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:02:19,022 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:02:19,023 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c0345c-c125-450f-9583-a6a7952dd43e/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i [2022-11-20 17:02:22,070 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:02:22,379 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:02:22,379 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c0345c-c125-450f-9583-a6a7952dd43e/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i [2022-11-20 17:02:22,393 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c0345c-c125-450f-9583-a6a7952dd43e/bin/ukojak-pZX7IvK2PQ/data/9d5d3d97b/df3b4ad3e35d4dcea6d86d68dbd86d90/FLAG1a6e4e400 [2022-11-20 17:02:22,411 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c0345c-c125-450f-9583-a6a7952dd43e/bin/ukojak-pZX7IvK2PQ/data/9d5d3d97b/df3b4ad3e35d4dcea6d86d68dbd86d90 [2022-11-20 17:02:22,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:02:22,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:02:22,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:02:22,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:02:22,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:02:22,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:02:22" (1/1) ... [2022-11-20 17:02:22,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5904f390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:22, skipping insertion in model container [2022-11-20 17:02:22,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:02:22" (1/1) ... [2022-11-20 17:02:22,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:02:22,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:02:22,906 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_84c0345c-c125-450f-9583-a6a7952dd43e/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i[26271,26284] [2022-11-20 17:02:22,916 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_84c0345c-c125-450f-9583-a6a7952dd43e/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i[26396,26409] [2022-11-20 17:02:22,919 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_84c0345c-c125-450f-9583-a6a7952dd43e/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i[26511,26524] [2022-11-20 17:02:22,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:02:22,954 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:02:23,025 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_84c0345c-c125-450f-9583-a6a7952dd43e/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i[26271,26284] [2022-11-20 17:02:23,029 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_84c0345c-c125-450f-9583-a6a7952dd43e/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i[26396,26409] [2022-11-20 17:02:23,031 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_84c0345c-c125-450f-9583-a6a7952dd43e/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i[26511,26524] [2022-11-20 17:02:23,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:02:23,090 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:02:23,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:23 WrapperNode [2022-11-20 17:02:23,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:02:23,092 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:02:23,093 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:02:23,093 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:02:23,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:23" (1/1) ... [2022-11-20 17:02:23,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:23" (1/1) ... [2022-11-20 17:02:23,142 INFO L138 Inliner]: procedures = 142, calls = 62, calls flagged for inlining = 15, calls inlined = 14, statements flattened = 161 [2022-11-20 17:02:23,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:02:23,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:02:23,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:02:23,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:02:23,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:23" (1/1) ... [2022-11-20 17:02:23,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:23" (1/1) ... [2022-11-20 17:02:23,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:23" (1/1) ... [2022-11-20 17:02:23,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:23" (1/1) ... [2022-11-20 17:02:23,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:23" (1/1) ... [2022-11-20 17:02:23,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:23" (1/1) ... [2022-11-20 17:02:23,178 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:23" (1/1) ... [2022-11-20 17:02:23,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:23" (1/1) ... [2022-11-20 17:02:23,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:02:23,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:02:23,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:02:23,185 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:02:23,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:23" (1/1) ... [2022-11-20 17:02:23,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:02:23,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c0345c-c125-450f-9583-a6a7952dd43e/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:02:23,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c0345c-c125-450f-9583-a6a7952dd43e/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:02:23,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c0345c-c125-450f-9583-a6a7952dd43e/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:02:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2022-11-20 17:02:23,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2022-11-20 17:02:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2022-11-20 17:02:23,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2022-11-20 17:02:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 17:02:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:02:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 17:02:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2022-11-20 17:02:23,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2022-11-20 17:02:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 17:02:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:02:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 17:02:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:02:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2022-11-20 17:02:23,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2022-11-20 17:02:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:02:23,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:02:23,437 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:02:23,439 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:02:23,879 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:02:24,061 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:02:24,061 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-20 17:02:24,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:02:24 BoogieIcfgContainer [2022-11-20 17:02:24,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:02:24,069 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:02:24,069 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:02:24,079 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:02:24,080 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:02:24" (1/1) ... [2022-11-20 17:02:24,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:02:24,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:24,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 46 states and 59 transitions. [2022-11-20 17:02:24,177 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2022-11-20 17:02:24,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:02:24,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:24,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:24,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:24,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:24,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2022-11-20 17:02:24,857 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2022-11-20 17:02:24,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:02:24,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:24,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:24,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:25,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:25,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2022-11-20 17:02:25,032 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2022-11-20 17:02:25,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:02:25,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:25,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:25,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:25,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:25,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 56 states and 76 transitions. [2022-11-20 17:02:25,494 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2022-11-20 17:02:25,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:02:25,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:25,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:25,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:25,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:25,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 58 states and 78 transitions. [2022-11-20 17:02:25,775 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2022-11-20 17:02:25,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:02:25,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:25,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:26,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:27,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:27,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 65 states and 96 transitions. [2022-11-20 17:02:27,671 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 96 transitions. [2022-11-20 17:02:27,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:02:27,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:27,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:31,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:43,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:43,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 77 states and 129 transitions. [2022-11-20 17:02:43,867 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 129 transitions. [2022-11-20 17:02:43,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:02:43,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:43,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:46,356 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:49,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:49,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 81 states and 140 transitions. [2022-11-20 17:02:49,753 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 140 transitions. [2022-11-20 17:02:49,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 17:02:49,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:49,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:49,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:50,155 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:02:51,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:51,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 83 states and 144 transitions. [2022-11-20 17:02:51,423 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 144 transitions. [2022-11-20 17:02:51,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:02:51,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:51,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:52,846 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:02:53,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:53,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 79 states and 133 transitions. [2022-11-20 17:02:53,775 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 133 transitions. [2022-11-20 17:02:53,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-20 17:02:53,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:53,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:00,466 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:03:21,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:21,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 86 states and 149 transitions. [2022-11-20 17:03:21,251 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 149 transitions. [2022-11-20 17:03:21,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 17:03:21,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:21,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:21,581 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:03:21,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:21,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 88 states and 150 transitions. [2022-11-20 17:03:21,904 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 150 transitions. [2022-11-20 17:03:21,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 17:03:21,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:21,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:22,207 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:03:27,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:27,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 100 states and 178 transitions. [2022-11-20 17:03:27,409 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 178 transitions. [2022-11-20 17:03:27,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 17:03:27,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:27,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:31,854 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:03:38,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:38,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 109 states and 197 transitions. [2022-11-20 17:03:38,814 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 197 transitions. [2022-11-20 17:03:38,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 17:03:38,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:38,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:40,171 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:03:41,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:41,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 107 states and 193 transitions. [2022-11-20 17:03:41,604 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 193 transitions. [2022-11-20 17:03:41,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-20 17:03:41,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:41,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:53,746 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:04:34,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:34,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 127 states and 250 transitions. [2022-11-20 17:04:34,172 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 250 transitions. [2022-11-20 17:04:34,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-20 17:04:34,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:34,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:48,700 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:05:23,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:05:23,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 140 states and 283 transitions. [2022-11-20 17:05:23,537 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 283 transitions. [2022-11-20 17:05:23,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-20 17:05:23,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:05:23,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:05:23,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:05:37,772 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:06:22,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:22,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 157 states and 327 transitions. [2022-11-20 17:06:22,936 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 327 transitions. [2022-11-20 17:06:22,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-20 17:06:22,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:22,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:22,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:41,706 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:07:20,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:20,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 162 states and 343 transitions. [2022-11-20 17:07:20,733 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 343 transitions. [2022-11-20 17:07:20,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-20 17:07:20,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:20,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:49,012 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:08:26,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:26,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 162 states and 343 transitions. [2022-11-20 17:08:26,545 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 343 transitions. [2022-11-20 17:08:26,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-20 17:08:26,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:26,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:43,564 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:09:18,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:18,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 164 states and 352 transitions. [2022-11-20 17:09:18,596 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 352 transitions. [2022-11-20 17:09:18,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-20 17:09:18,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:18,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:01,717 WARN L233 SmtUtils]: Spent 20.08s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 17:10:21,789 WARN L233 SmtUtils]: Spent 20.07s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 17:10:41,869 WARN L233 SmtUtils]: Spent 20.06s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 17:11:01,943 WARN L233 SmtUtils]: Spent 20.07s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 17:11:22,025 WARN L233 SmtUtils]: Spent 20.08s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 17:11:32,648 WARN L233 SmtUtils]: Spent 10.62s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 17:11:52,699 WARN L233 SmtUtils]: Spent 20.05s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 17:12:12,770 WARN L233 SmtUtils]: Spent 20.05s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 17:12:25,776 WARN L233 SmtUtils]: Spent 10.75s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 17:12:45,833 WARN L233 SmtUtils]: Spent 20.06s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 17:13:05,548 WARN L233 SmtUtils]: Spent 19.71s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 17:13:19,773 WARN L233 SmtUtils]: Spent 14.20s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 17:13:39,890 WARN L233 SmtUtils]: Spent 20.12s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 17:14:00,000 WARN L233 SmtUtils]: Spent 20.07s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 17:14:20,053 WARN L233 SmtUtils]: Spent 20.05s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 17:14:40,139 WARN L233 SmtUtils]: Spent 20.06s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 17:14:48,070 WARN L233 SmtUtils]: Spent 7.93s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 17:15:08,118 WARN L233 SmtUtils]: Spent 20.05s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 17:15:28,179 WARN L233 SmtUtils]: Spent 20.06s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 17:15:48,242 WARN L233 SmtUtils]: Spent 20.06s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 17:16:02,642 WARN L233 SmtUtils]: Spent 13.35s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 17:16:22,728 WARN L233 SmtUtils]: Spent 20.05s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 17:16:38,393 WARN L233 SmtUtils]: Spent 15.22s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 17:16:49,373 WARN L233 SmtUtils]: Spent 10.98s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)