./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4.1.ufo.BOUNDED-8.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_9493ec87-e69b-40e2-82bc-9690635b63f0/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9493ec87-e69b-40e2-82bc-9690635b63f0/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_9493ec87-e69b-40e2-82bc-9690635b63f0/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9493ec87-e69b-40e2-82bc-9690635b63f0/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4.1.ufo.BOUNDED-8.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9493ec87-e69b-40e2-82bc-9690635b63f0/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_9493ec87-e69b-40e2-82bc-9690635b63f0/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 5d3b64744a19af136ca9c439b2264a15465f658e2e3d4a576a98d96e4b8aff92 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 01:46:15,758 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:46:15,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:46:15,775 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:46:15,775 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:46:15,776 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:46:15,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:46:15,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:46:15,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:46:15,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:46:15,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:46:15,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:46:15,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:46:15,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:46:15,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:46:15,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:46:15,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:46:15,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:46:15,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:46:15,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:46:15,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:46:15,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:46:15,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:46:15,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:46:15,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:46:15,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:46:15,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:46:15,792 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:46:15,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:46:15,793 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:46:15,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:46:15,794 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:46:15,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:46:15,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:46:15,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:46:15,796 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:46:15,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:46:15,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:46:15,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:46:15,797 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:46:15,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:46:15,798 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9493ec87-e69b-40e2-82bc-9690635b63f0/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 01:46:15,812 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:46:15,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:46:15,813 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:46:15,813 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:46:15,814 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:46:15,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:46:15,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:46:15,820 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:46:15,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:46:15,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:46:15,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:46:15,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:46:15,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:46:15,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:46:15,821 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:46:15,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:46:15,821 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:46:15,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:46:15,822 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:46:15,822 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:46:15,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:46:15,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:46:15,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:46:15,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:46:15,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:46:15,823 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:46:15,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:46:15,823 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:46:15,823 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_9493ec87-e69b-40e2-82bc-9690635b63f0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9493ec87-e69b-40e2-82bc-9690635b63f0/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d3b64744a19af136ca9c439b2264a15465f658e2e3d4a576a98d96e4b8aff92 [2022-12-15 01:46:15,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:46:16,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:46:16,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:46:16,019 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:46:16,020 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:46:16,021 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9493ec87-e69b-40e2-82bc-9690635b63f0/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4.1.ufo.BOUNDED-8.pals.c [2022-12-15 01:46:18,640 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:46:18,796 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:46:18,797 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9493ec87-e69b-40e2-82bc-9690635b63f0/sv-benchmarks/c/seq-mthreaded/pals_lcr.4.1.ufo.BOUNDED-8.pals.c [2022-12-15 01:46:18,803 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9493ec87-e69b-40e2-82bc-9690635b63f0/bin/ukojak-rkRKPMF4O4/data/2b0444014/ecae95e412c74d8090c77ce60101563e/FLAG5b9f8c0aa [2022-12-15 01:46:18,815 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9493ec87-e69b-40e2-82bc-9690635b63f0/bin/ukojak-rkRKPMF4O4/data/2b0444014/ecae95e412c74d8090c77ce60101563e [2022-12-15 01:46:18,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:46:18,818 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:46:18,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:46:18,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:46:18,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:46:18,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:46:18" (1/1) ... [2022-12-15 01:46:18,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f80f583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:46:18, skipping insertion in model container [2022-12-15 01:46:18,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:46:18" (1/1) ... [2022-12-15 01:46:18,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:46:18,845 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:46:18,975 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_9493ec87-e69b-40e2-82bc-9690635b63f0/sv-benchmarks/c/seq-mthreaded/pals_lcr.4.1.ufo.BOUNDED-8.pals.c[8246,8259] [2022-12-15 01:46:18,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:46:18,986 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:46:19,014 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_9493ec87-e69b-40e2-82bc-9690635b63f0/sv-benchmarks/c/seq-mthreaded/pals_lcr.4.1.ufo.BOUNDED-8.pals.c[8246,8259] [2022-12-15 01:46:19,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:46:19,026 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:46:19,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:46:19 WrapperNode [2022-12-15 01:46:19,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:46:19,027 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:46:19,027 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:46:19,027 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:46:19,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:46:19" (1/1) ... [2022-12-15 01:46:19,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:46:19" (1/1) ... [2022-12-15 01:46:19,068 INFO L138 Inliner]: procedures = 22, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 259 [2022-12-15 01:46:19,068 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:46:19,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:46:19,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:46:19,069 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:46:19,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:46:19" (1/1) ... [2022-12-15 01:46:19,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:46:19" (1/1) ... [2022-12-15 01:46:19,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:46:19" (1/1) ... [2022-12-15 01:46:19,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:46:19" (1/1) ... [2022-12-15 01:46:19,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:46:19" (1/1) ... [2022-12-15 01:46:19,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:46:19" (1/1) ... [2022-12-15 01:46:19,091 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:46:19" (1/1) ... [2022-12-15 01:46:19,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:46:19" (1/1) ... [2022-12-15 01:46:19,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:46:19,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:46:19,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:46:19,097 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:46:19,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:46:19" (1/1) ... [2022-12-15 01:46:19,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:46:19,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9493ec87-e69b-40e2-82bc-9690635b63f0/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:46:19,125 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9493ec87-e69b-40e2-82bc-9690635b63f0/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:46:19,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9493ec87-e69b-40e2-82bc-9690635b63f0/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:46:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:46:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:46:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:46:19,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:46:19,232 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:46:19,234 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:46:19,542 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:46:19,737 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:46:19,737 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 01:46:19,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:46:19 BoogieIcfgContainer [2022-12-15 01:46:19,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:46:19,739 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:46:19,740 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:46:19,747 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:46:19,747 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:46:19" (1/1) ... [2022-12-15 01:46:19,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:46:19,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:46:19,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-12-15 01:46:19,792 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-12-15 01:46:19,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 01:46:19,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:46:19,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:46:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:46:20,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:46:20,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:46:20,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2022-12-15 01:46:20,587 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2022-12-15 01:46:20,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 01:46:20,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:46:20,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:46:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:46:20,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:46:20,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:46:20,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 17 states and 28 transitions. [2022-12-15 01:46:20,969 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 28 transitions. [2022-12-15 01:46:20,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 01:46:20,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:46:20,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:46:20,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:46:21,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:46:21,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:46:21,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 21 states and 36 transitions. [2022-12-15 01:46:21,780 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 36 transitions. [2022-12-15 01:46:21,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:46:21,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:46:21,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:46:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:46:21,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:46:22,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:46:22,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2022-12-15 01:46:22,092 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2022-12-15 01:46:22,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 01:46:22,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:46:22,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:46:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:46:23,874 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:46:25,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:46:25,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 63 transitions. [2022-12-15 01:46:25,949 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2022-12-15 01:46:25,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 01:46:25,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:46:25,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:46:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:46:28,844 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:46:33,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:46:33,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 43 states and 82 transitions. [2022-12-15 01:46:33,558 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 82 transitions. [2022-12-15 01:46:33,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 01:46:33,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:46:33,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:46:33,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:46:34,070 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:46:37,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:46:37,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 53 states and 102 transitions. [2022-12-15 01:46:37,703 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 102 transitions. [2022-12-15 01:46:37,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 01:46:37,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:46:37,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:46:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:46:40,189 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:46:46,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:46:46,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 64 states and 124 transitions. [2022-12-15 01:46:46,342 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 124 transitions. [2022-12-15 01:46:46,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 01:46:46,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:46:46,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:46:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:46:47,452 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:46:55,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:46:55,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 78 states and 162 transitions. [2022-12-15 01:46:55,078 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 162 transitions. [2022-12-15 01:46:55,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 01:46:55,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:46:55,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:46:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:46:56,146 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:47:06,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:47:06,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 95 states and 215 transitions. [2022-12-15 01:47:06,397 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 215 transitions. [2022-12-15 01:47:06,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 01:47:06,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:47:06,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:47:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:47:07,239 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:47:09,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:47:09,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 98 states and 221 transitions. [2022-12-15 01:47:09,496 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 221 transitions. [2022-12-15 01:47:09,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 01:47:09,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:47:09,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:47:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:47:10,629 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:47:21,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:47:21,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 115 states and 260 transitions. [2022-12-15 01:47:21,957 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 260 transitions. [2022-12-15 01:47:21,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 01:47:21,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:47:21,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:47:21,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:47:23,450 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:47:31,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:47:31,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 126 states and 296 transitions. [2022-12-15 01:47:31,541 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 296 transitions. [2022-12-15 01:47:31,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 01:47:31,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:47:31,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:47:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:47:33,150 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:47:37,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:47:37,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 134 states and 327 transitions. [2022-12-15 01:47:37,744 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 327 transitions. [2022-12-15 01:47:37,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 01:47:37,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:47:37,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:47:37,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:47:37,988 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:47:38,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:47:38,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 135 states and 337 transitions. [2022-12-15 01:47:38,744 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 337 transitions. [2022-12-15 01:47:38,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 01:47:38,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:47:38,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:47:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:48:12,778 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:49:12,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:49:12,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 160 states and 425 transitions. [2022-12-15 01:49:12,816 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 425 transitions. [2022-12-15 01:49:12,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 01:49:12,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:49:12,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:49:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:49:27,137 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:50:51,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:50:51,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 185 states and 509 transitions. [2022-12-15 01:50:51,147 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 509 transitions. [2022-12-15 01:50:51,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 01:50:51,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:50:51,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:50:51,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:51:16,056 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:52:56,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:52:56,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 210 states and 610 transitions. [2022-12-15 01:52:56,483 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 610 transitions. [2022-12-15 01:52:56,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 01:52:56,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:52:56,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:52:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:20,069 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:55:05,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:55:05,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 235 states and 704 transitions. [2022-12-15 01:55:05,069 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 704 transitions. [2022-12-15 01:55:05,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 01:55:05,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:55:05,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:55:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:55:55,694 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:10,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:10,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 260 states and 812 transitions. [2022-12-15 01:58:10,964 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 812 transitions. [2022-12-15 01:58:10,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 01:58:10,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:10,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:15,312 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:59:07,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:59:07,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 275 states and 857 transitions. [2022-12-15 01:59:07,558 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 857 transitions. [2022-12-15 01:59:07,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 01:59:07,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:59:07,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:59:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:59:43,922 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.