./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.ufo.BOUNDED-14.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_0a23708c-043a-4e0f-b9f3-9738fc736b23/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a23708c-043a-4e0f-b9f3-9738fc736b23/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a23708c-043a-4e0f-b9f3-9738fc736b23/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a23708c-043a-4e0f-b9f3-9738fc736b23/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.ufo.BOUNDED-14.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a23708c-043a-4e0f-b9f3-9738fc736b23/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a23708c-043a-4e0f-b9f3-9738fc736b23/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 84bce40124007e6e483bf8a05621b58460eab347da71074e5760fdf76654ee7f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 23:06:51,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:06:51,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:06:51,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:06:51,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:06:51,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:06:51,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:06:51,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:06:51,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:06:51,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:06:51,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:06:51,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:06:51,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:06:51,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:06:51,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:06:51,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:06:51,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:06:51,038 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:06:51,039 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:06:51,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:06:51,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:06:51,041 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:06:51,042 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:06:51,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:06:51,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:06:51,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:06:51,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:06:51,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:06:51,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:06:51,046 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:06:51,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:06:51,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:06:51,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:06:51,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:06:51,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:06:51,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:06:51,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:06:51,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:06:51,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:06:51,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:06:51,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:06:51,051 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a23708c-043a-4e0f-b9f3-9738fc736b23/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 23:06:51,071 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:06:51,071 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:06:51,072 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:06:51,072 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:06:51,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:06:51,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:06:51,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:06:51,083 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:06:51,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:06:51,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:06:51,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:06:51,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:06:51,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:06:51,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:06:51,085 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:06:51,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:06:51,085 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:06:51,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:06:51,085 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:06:51,086 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:06:51,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:06:51,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:06:51,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:06:51,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:06:51,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:06:51,086 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:06:51,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:06:51,087 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:06:51,087 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_0a23708c-043a-4e0f-b9f3-9738fc736b23/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a23708c-043a-4e0f-b9f3-9738fc736b23/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84bce40124007e6e483bf8a05621b58460eab347da71074e5760fdf76654ee7f [2022-12-14 23:06:51,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:06:51,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:06:51,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:06:51,299 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:06:51,299 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:06:51,300 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a23708c-043a-4e0f-b9f3-9738fc736b23/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.ufo.BOUNDED-14.pals.c [2022-12-14 23:06:53,849 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:06:54,011 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:06:54,011 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a23708c-043a-4e0f-b9f3-9738fc736b23/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.ufo.BOUNDED-14.pals.c [2022-12-14 23:06:54,018 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a23708c-043a-4e0f-b9f3-9738fc736b23/bin/ukojak-rkRKPMF4O4/data/6b095bb7d/69485edc71e341ebb1b05597c9826b0a/FLAG869a04b3a [2022-12-14 23:06:54,425 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a23708c-043a-4e0f-b9f3-9738fc736b23/bin/ukojak-rkRKPMF4O4/data/6b095bb7d/69485edc71e341ebb1b05597c9826b0a [2022-12-14 23:06:54,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:06:54,428 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:06:54,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:06:54,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:06:54,431 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:06:54,432 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:06:54" (1/1) ... [2022-12-14 23:06:54,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@365594c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:54, skipping insertion in model container [2022-12-14 23:06:54,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:06:54" (1/1) ... [2022-12-14 23:06:54,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:06:54,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:06:54,604 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_0a23708c-043a-4e0f-b9f3-9738fc736b23/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.ufo.BOUNDED-14.pals.c[20019,20032] [2022-12-14 23:06:54,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:06:54,615 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:06:54,653 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_0a23708c-043a-4e0f-b9f3-9738fc736b23/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.ufo.BOUNDED-14.pals.c[20019,20032] [2022-12-14 23:06:54,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:06:54,664 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:06:54,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:54 WrapperNode [2022-12-14 23:06:54,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:06:54,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:06:54,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:06:54,666 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:06:54,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:54" (1/1) ... [2022-12-14 23:06:54,678 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:54" (1/1) ... [2022-12-14 23:06:54,699 INFO L138 Inliner]: procedures = 26, calls = 18, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 425 [2022-12-14 23:06:54,700 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:06:54,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:06:54,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:06:54,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:06:54,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:54" (1/1) ... [2022-12-14 23:06:54,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:54" (1/1) ... [2022-12-14 23:06:54,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:54" (1/1) ... [2022-12-14 23:06:54,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:54" (1/1) ... [2022-12-14 23:06:54,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:54" (1/1) ... [2022-12-14 23:06:54,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:54" (1/1) ... [2022-12-14 23:06:54,719 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:54" (1/1) ... [2022-12-14 23:06:54,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:54" (1/1) ... [2022-12-14 23:06:54,723 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:06:54,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:06:54,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:06:54,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:06:54,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:54" (1/1) ... [2022-12-14 23:06:54,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:06:54,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a23708c-043a-4e0f-b9f3-9738fc736b23/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:06:54,747 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a23708c-043a-4e0f-b9f3-9738fc736b23/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:06:54,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a23708c-043a-4e0f-b9f3-9738fc736b23/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:06:54,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:06:54,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:06:54,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:06:54,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:06:54,853 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:06:54,854 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:06:55,231 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:06:55,651 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:06:55,651 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 23:06:55,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:06:55 BoogieIcfgContainer [2022-12-14 23:06:55,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:06:55,653 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:06:55,653 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:06:55,660 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:06:55,660 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:06:55" (1/1) ... [2022-12-14 23:06:55,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:06:55,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:06:55,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-12-14 23:06:55,704 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-12-14 23:06:55,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 23:06:55,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:06:55,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:06:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:06:57,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:06:57,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:06:57,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2022-12-14 23:06:57,256 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2022-12-14 23:06:57,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 23:06:57,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:06:57,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:06:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:06:57,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:06:57,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:06:57,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2022-12-14 23:06:57,877 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2022-12-14 23:06:57,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 23:06:57,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:06:57,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:06:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:06:58,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:06:59,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:06:59,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2022-12-14 23:06:59,226 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2022-12-14 23:06:59,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 23:06:59,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:06:59,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:06:59,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:06:59,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:06:59,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:06:59,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2022-12-14 23:06:59,583 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2022-12-14 23:06:59,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 23:06:59,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:06:59,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:06:59,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:07:07,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:07:15,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:07:15,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 34 states and 60 transitions. [2022-12-14 23:07:15,096 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 60 transitions. [2022-12-14 23:07:15,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:07:15,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:07:15,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:07:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:07:15,682 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:07:25,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:07:25,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 45 states and 84 transitions. [2022-12-14 23:07:25,076 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2022-12-14 23:07:25,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:07:25,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:07:25,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:07:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:07:30,646 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:07:41,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:07:41,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 54 states and 103 transitions. [2022-12-14 23:07:41,213 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 103 transitions. [2022-12-14 23:07:41,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:07:41,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:07:41,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:07:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:07:46,623 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:08:00,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:08:00,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 65 states and 127 transitions. [2022-12-14 23:08:00,110 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 127 transitions. [2022-12-14 23:08:00,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:08:00,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:08:00,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:08:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:08:01,030 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:08:01,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:08:01,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 66 states and 130 transitions. [2022-12-14 23:08:01,826 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 130 transitions. [2022-12-14 23:08:01,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 23:08:01,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:08:01,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:08:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:08:04,610 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:08:25,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:08:25,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 83 states and 180 transitions. [2022-12-14 23:08:25,205 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 180 transitions. [2022-12-14 23:08:25,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 23:08:25,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:08:25,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:08:25,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:08:27,941 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:08:39,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:08:39,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 91 states and 213 transitions. [2022-12-14 23:08:39,650 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 213 transitions. [2022-12-14 23:08:39,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:08:39,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:08:39,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:08:39,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:08:42,716 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:08:49,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:08:49,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 99 states and 238 transitions. [2022-12-14 23:08:49,570 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 238 transitions. [2022-12-14 23:08:49,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:08:49,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:08:49,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:08:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:08:50,939 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:08:57,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:08:57,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 107 states and 261 transitions. [2022-12-14 23:08:57,807 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 261 transitions. [2022-12-14 23:08:57,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:08:57,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:08:57,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:08:57,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:08:58,279 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:09:01,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:09:01,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 110 states and 268 transitions. [2022-12-14 23:09:01,302 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 268 transitions. [2022-12-14 23:09:01,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:09:01,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:09:01,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:09:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:09:01,772 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:09:02,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:09:02,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 111 states and 276 transitions. [2022-12-14 23:09:02,833 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 276 transitions. [2022-12-14 23:09:02,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:09:02,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:09:02,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:09:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:09:06,275 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:09:12,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:09:12,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 119 states and 301 transitions. [2022-12-14 23:09:12,851 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 301 transitions. [2022-12-14 23:09:12,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:09:12,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:09:12,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:09:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:09:16,043 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:09:31,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:09:31,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 129 states and 331 transitions. [2022-12-14 23:09:31,930 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 331 transitions. [2022-12-14 23:09:31,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:09:31,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:09:31,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:09:32,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:09:32,397 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:09:34,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:09:34,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 131 states and 340 transitions. [2022-12-14 23:09:34,545 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 340 transitions. [2022-12-14 23:09:34,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:09:34,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:09:34,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:09:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:09:37,862 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:09:40,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:09:40,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 132 states and 345 transitions. [2022-12-14 23:09:40,580 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 345 transitions. [2022-12-14 23:09:40,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 23:09:40,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:09:40,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:09:41,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:10:38,603 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:12:32,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:12:32,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 157 states and 432 transitions. [2022-12-14 23:12:32,616 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 432 transitions. [2022-12-14 23:12:32,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 23:12:32,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:12:32,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:12:33,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:14:48,801 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:15:13,725 WARN L233 SmtUtils]: Spent 6.67s on a formula simplification. DAG size of input: 521 DAG size of output: 416 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 23:15:30,600 WARN L233 SmtUtils]: Spent 5.55s on a formula simplification. DAG size of input: 529 DAG size of output: 375 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 23:15:40,257 WARN L233 SmtUtils]: Spent 8.97s on a formula simplification. DAG size of input: 531 DAG size of output: 422 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 23:15:53,884 WARN L233 SmtUtils]: Spent 5.91s on a formula simplification. DAG size of input: 531 DAG size of output: 377 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 23:16:03,220 WARN L233 SmtUtils]: Spent 8.63s on a formula simplification. DAG size of input: 533 DAG size of output: 424 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 23:18:16,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:18:16,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 182 states and 528 transitions. [2022-12-14 23:18:16,537 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 528 transitions. [2022-12-14 23:18:16,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 23:18:16,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:18:16,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:18:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat