./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ad6cde-2cfa-4f62-819f-5e2b5a45b0ff/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ad6cde-2cfa-4f62-819f-5e2b5a45b0ff/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_f1ad6cde-2cfa-4f62-819f-5e2b5a45b0ff/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ad6cde-2cfa-4f62-819f-5e2b5a45b0ff/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ad6cde-2cfa-4f62-819f-5e2b5a45b0ff/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_f1ad6cde-2cfa-4f62-819f-5e2b5a45b0ff/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 2d26d8e14d33b8c29eaf9ffa7603dd26966f962451e6c0726b154a73bf65f3d2 --- 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 01:48:26,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:48:26,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:48:26,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:48:26,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:48:26,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:48:26,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:48:26,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:48:26,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:48:26,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:48:26,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:48:26,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:48:26,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:48:26,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:48:26,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:48:26,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:48:26,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:48:26,876 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:48:26,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:48:26,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:48:26,880 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:48:26,881 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:48:26,882 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:48:26,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:48:26,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:48:26,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:48:26,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:48:26,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:48:26,889 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:48:26,890 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:48:26,890 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:48:26,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:48:26,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:48:26,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:48:26,893 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:48:26,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:48:26,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:48:26,894 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:48:26,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:48:26,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:48:26,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:48:26,895 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ad6cde-2cfa-4f62-819f-5e2b5a45b0ff/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 01:48:26,915 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:48:26,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:48:26,916 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:48:26,916 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:48:26,917 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:48:26,917 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:48:26,917 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:48:26,917 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:48:26,917 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:48:26,917 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:48:26,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:48:26,918 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:48:26,918 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:48:26,918 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:48:26,918 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:48:26,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:48:26,918 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:48:26,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:48:26,919 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:48:26,919 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:48:26,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:48:26,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:48:26,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:48:26,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:48:26,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:48:26,919 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:48:26,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:48:26,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:48:26,920 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_f1ad6cde-2cfa-4f62-819f-5e2b5a45b0ff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ad6cde-2cfa-4f62-819f-5e2b5a45b0ff/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d26d8e14d33b8c29eaf9ffa7603dd26966f962451e6c0726b154a73bf65f3d2 [2022-12-15 01:48:27,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:48:27,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:48:27,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:48:27,143 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:48:27,144 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:48:27,145 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ad6cde-2cfa-4f62-819f-5e2b5a45b0ff/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound50.c [2022-12-15 01:48:29,796 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:48:29,961 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:48:29,961 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ad6cde-2cfa-4f62-819f-5e2b5a45b0ff/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound50.c [2022-12-15 01:48:29,965 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ad6cde-2cfa-4f62-819f-5e2b5a45b0ff/bin/ukojak-rkRKPMF4O4/data/b298f6d16/669adbe42c944fd7aeb1d927d3306e29/FLAG88e1ea11a [2022-12-15 01:48:29,976 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ad6cde-2cfa-4f62-819f-5e2b5a45b0ff/bin/ukojak-rkRKPMF4O4/data/b298f6d16/669adbe42c944fd7aeb1d927d3306e29 [2022-12-15 01:48:29,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:48:29,979 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:48:29,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:48:29,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:48:29,983 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:48:29,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:48:29" (1/1) ... [2022-12-15 01:48:29,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43d959c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:48:29, skipping insertion in model container [2022-12-15 01:48:29,985 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:48:29" (1/1) ... [2022-12-15 01:48:29,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:48:30,008 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:48:30,134 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_f1ad6cde-2cfa-4f62-819f-5e2b5a45b0ff/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound50.c[489,502] [2022-12-15 01:48:30,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:48:30,159 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:48:30,170 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_f1ad6cde-2cfa-4f62-819f-5e2b5a45b0ff/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound50.c[489,502] [2022-12-15 01:48:30,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:48:30,186 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:48:30,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:48:30 WrapperNode [2022-12-15 01:48:30,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:48:30,188 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:48:30,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:48:30,188 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:48:30,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:48:30" (1/1) ... [2022-12-15 01:48:30,198 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:48:30" (1/1) ... [2022-12-15 01:48:30,211 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2022-12-15 01:48:30,211 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:48:30,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:48:30,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:48:30,212 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:48:30,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:48:30" (1/1) ... [2022-12-15 01:48:30,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:48:30" (1/1) ... [2022-12-15 01:48:30,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:48:30" (1/1) ... [2022-12-15 01:48:30,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:48:30" (1/1) ... [2022-12-15 01:48:30,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:48:30" (1/1) ... [2022-12-15 01:48:30,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:48:30" (1/1) ... [2022-12-15 01:48:30,225 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:48:30" (1/1) ... [2022-12-15 01:48:30,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:48:30" (1/1) ... [2022-12-15 01:48:30,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:48:30,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:48:30,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:48:30,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:48:30,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:48:30" (1/1) ... [2022-12-15 01:48:30,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:48:30,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ad6cde-2cfa-4f62-819f-5e2b5a45b0ff/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:48:30,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ad6cde-2cfa-4f62-819f-5e2b5a45b0ff/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:48:30,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ad6cde-2cfa-4f62-819f-5e2b5a45b0ff/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:48:30,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:48:30,281 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-15 01:48:30,281 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-15 01:48:30,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:48:30,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:48:30,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:48:30,281 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-15 01:48:30,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-15 01:48:30,330 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:48:30,331 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:48:30,434 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:48:30,455 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:48:30,456 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 01:48:30,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:48:30 BoogieIcfgContainer [2022-12-15 01:48:30,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:48:30,458 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:48:30,458 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:48:30,465 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:48:30,465 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:48:30" (1/1) ... [2022-12-15 01:48:30,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:48:30,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:48:30,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2022-12-15 01:48:30,518 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2022-12-15 01:48:30,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:48:30,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:48:30,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:48:30,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:48:30,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:48:30,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:48:30,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2022-12-15 01:48:30,645 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2022-12-15 01:48:30,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 01:48:30,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:48:30,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:48:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:48:30,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:48:30,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:48:30,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 35 transitions. [2022-12-15 01:48:30,793 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2022-12-15 01:48:30,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 01:48:30,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:48:30,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:48:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:48:30,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-15 01:48:30,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:48:30,972 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 01:48:31,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:48:31,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 50 transitions. [2022-12-15 01:48:31,205 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2022-12-15 01:48:31,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 01:48:31,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:48:31,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:48:31,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:48:31,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-15 01:48:31,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:48:31,398 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:48:32,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:48:32,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 35 states and 59 transitions. [2022-12-15 01:48:32,102 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2022-12-15 01:48:32,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 01:48:32,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:48:32,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:48:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:48:32,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 28 conjunts are in the unsatisfiable core [2022-12-15 01:48:32,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:48:32,434 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 01:48:33,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:48:33,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 42 states and 80 transitions. [2022-12-15 01:48:33,835 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2022-12-15 01:48:33,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 01:48:33,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:48:33,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:48:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:48:33,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-15 01:48:33,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:48:33,893 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-15 01:48:33,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:48:33,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 43 states and 81 transitions. [2022-12-15 01:48:33,935 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 81 transitions. [2022-12-15 01:48:33,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 01:48:33,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:48:33,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:48:33,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:48:33,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-15 01:48:33,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:48:34,094 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-15 01:48:35,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:48:35,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 53 states and 123 transitions. [2022-12-15 01:48:35,386 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 123 transitions. [2022-12-15 01:48:35,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 01:48:35,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:48:35,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:48:35,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:48:35,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-15 01:48:35,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:48:35,747 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 01:48:37,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:48:37,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 58 states and 145 transitions. [2022-12-15 01:48:37,085 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 145 transitions. [2022-12-15 01:48:37,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 01:48:37,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:48:37,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:48:37,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:48:37,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-15 01:48:37,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:48:37,218 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-15 01:48:37,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:48:37,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 60 states and 147 transitions. [2022-12-15 01:48:37,645 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 147 transitions. [2022-12-15 01:48:37,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-15 01:48:37,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:48:37,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:48:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:48:37,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 01:48:37,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:48:37,904 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-15 01:48:38,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:48:38,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 64 states and 163 transitions. [2022-12-15 01:48:38,882 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 163 transitions. [2022-12-15 01:48:38,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-15 01:48:38,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:48:38,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:48:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:48:38,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 35 conjunts are in the unsatisfiable core [2022-12-15 01:48:38,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:48:39,527 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-15 01:48:40,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:48:40,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 67 states and 181 transitions. [2022-12-15 01:48:40,859 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 181 transitions. [2022-12-15 01:48:40,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-15 01:48:40,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:48:40,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:48:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:48:40,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 34 conjunts are in the unsatisfiable core [2022-12-15 01:48:40,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:48:41,711 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-15 01:48:43,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:48:43,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 71 states and 202 transitions. [2022-12-15 01:48:43,698 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 202 transitions. [2022-12-15 01:48:43,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-15 01:48:43,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:48:43,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:48:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:48:43,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 35 conjunts are in the unsatisfiable core [2022-12-15 01:48:43,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:48:44,374 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-15 01:48:45,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:48:45,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 74 states and 215 transitions. [2022-12-15 01:48:45,984 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 215 transitions. [2022-12-15 01:48:45,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-15 01:48:45,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:48:45,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:48:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:48:46,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 01:48:46,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:48:46,164 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-15 01:48:50,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:48:50,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 77 states and 228 transitions. [2022-12-15 01:48:50,453 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 228 transitions. [2022-12-15 01:48:50,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-15 01:48:50,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:48:50,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:48:50,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:48:50,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2022-12-15 01:48:50,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:48:51,392 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-15 01:48:55,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:48:55,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 82 states and 258 transitions. [2022-12-15 01:48:55,573 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 258 transitions. [2022-12-15 01:48:55,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-15 01:48:55,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:48:55,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:48:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:48:55,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2022-12-15 01:48:55,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:48:56,238 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-15 01:48:59,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:48:59,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 87 states and 285 transitions. [2022-12-15 01:48:59,428 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 285 transitions. [2022-12-15 01:48:59,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-15 01:48:59,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:48:59,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:48:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:48:59,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2022-12-15 01:48:59,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:48:59,832 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-15 01:49:01,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:49:01,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 91 states and 296 transitions. [2022-12-15 01:49:01,671 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 296 transitions. [2022-12-15 01:49:01,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-15 01:49:01,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:49:01,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:49:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:49:01,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2022-12-15 01:49:01,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:49:02,145 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-15 01:49:02,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:49:02,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 92 states and 300 transitions. [2022-12-15 01:49:02,673 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 300 transitions. [2022-12-15 01:49:02,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-15 01:49:02,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:49:02,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:49:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:49:02,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2022-12-15 01:49:02,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:49:03,059 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-15 01:49:03,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:49:03,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 93 states and 302 transitions. [2022-12-15 01:49:03,668 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 302 transitions. [2022-12-15 01:49:03,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-15 01:49:03,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:49:03,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:49:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:49:03,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 01:49:03,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:49:04,276 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-12-15 01:49:17,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:49:17,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 97 states and 321 transitions. [2022-12-15 01:49:17,567 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 321 transitions. [2022-12-15 01:49:17,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-15 01:49:17,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:49:17,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:49:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:49:17,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-15 01:49:17,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:49:20,930 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 23 proven. 16 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-12-15 01:49:33,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:49:33,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 102 states and 355 transitions. [2022-12-15 01:49:33,845 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 355 transitions. [2022-12-15 01:49:33,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-15 01:49:33,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:49:33,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:49:33,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:49:33,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-15 01:49:33,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:49:34,478 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 23 proven. 16 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-12-15 01:49:36,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:49:36,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 104 states and 357 transitions. [2022-12-15 01:49:36,665 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 357 transitions. [2022-12-15 01:49:36,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-15 01:49:36,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:49:36,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:49:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:49:36,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-15 01:49:36,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:49:36,941 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-12-15 01:49:42,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:49:42,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 114 states and 472 transitions. [2022-12-15 01:49:42,682 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 472 transitions. [2022-12-15 01:49:42,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-15 01:49:42,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:49:42,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:49:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:49:42,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-15 01:49:42,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:49:43,427 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 23 proven. 16 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-12-15 01:49:47,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:49:47,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 118 states and 489 transitions. [2022-12-15 01:49:47,095 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 489 transitions. [2022-12-15 01:49:47,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-15 01:49:47,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:49:47,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:49:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:49:47,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-15 01:49:47,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:49:47,850 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 23 proven. 16 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-12-15 01:49:48,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:49:48,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 119 states and 494 transitions. [2022-12-15 01:49:48,613 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 494 transitions. [2022-12-15 01:49:48,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-15 01:49:48,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:49:48,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:49:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:49:48,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-15 01:49:48,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:49:48,673 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-12-15 01:49:50,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:49:50,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 121 states and 495 transitions. [2022-12-15 01:49:50,018 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 495 transitions. [2022-12-15 01:49:50,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-15 01:49:50,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:49:50,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:49:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:49:50,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-15 01:49:50,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:49:51,244 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 23 proven. 16 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-12-15 01:49:52,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:49:52,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 122 states and 497 transitions. [2022-12-15 01:49:52,002 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 497 transitions. [2022-12-15 01:49:52,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-15 01:49:52,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:49:52,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:49:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:49:52,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-15 01:49:52,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:49:52,068 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-12-15 01:49:52,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:49:52,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 123 states and 498 transitions. [2022-12-15 01:49:52,566 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 498 transitions. [2022-12-15 01:49:52,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-15 01:49:52,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:49:52,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:49:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:49:52,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-15 01:49:52,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:49:53,325 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 23 proven. 16 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-12-15 01:49:54,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:49:54,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 125 states and 510 transitions. [2022-12-15 01:49:54,105 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 510 transitions. [2022-12-15 01:49:54,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-15 01:49:54,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:49:54,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:49:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:49:54,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-15 01:49:54,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:49:54,169 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-12-15 01:49:55,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:49:55,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 125 states and 509 transitions. [2022-12-15 01:49:55,188 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 509 transitions. [2022-12-15 01:49:55,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-15 01:49:55,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:49:55,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:49:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:49:55,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-15 01:49:55,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:49:55,262 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-12-15 01:49:55,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:49:55,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 126 states and 512 transitions. [2022-12-15 01:49:55,905 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 512 transitions. [2022-12-15 01:49:55,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-15 01:49:55,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:49:55,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:49:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:49:55,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-15 01:49:55,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:49:55,971 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-12-15 01:49:56,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:49:56,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 128 states and 515 transitions. [2022-12-15 01:49:56,556 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 515 transitions. [2022-12-15 01:49:56,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-15 01:49:56,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:49:56,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:49:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:49:56,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-15 01:49:56,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:49:56,616 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-12-15 01:49:57,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:49:57,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 130 states and 517 transitions. [2022-12-15 01:49:57,712 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 517 transitions. [2022-12-15 01:49:57,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-15 01:49:57,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:49:57,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:49:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:49:57,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-15 01:49:57,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:49:58,538 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 23 proven. 16 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-12-15 01:49:59,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:49:59,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 132 states and 519 transitions. [2022-12-15 01:49:59,649 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 519 transitions. [2022-12-15 01:49:59,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-15 01:49:59,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:49:59,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:49:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:49:59,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 01:49:59,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:49:59,690 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-15 01:50:02,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:50:02,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 134 states and 528 transitions. [2022-12-15 01:50:02,148 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 528 transitions. [2022-12-15 01:50:02,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-15 01:50:02,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:50:02,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:50:02,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:50:02,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 01:50:02,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:50:02,188 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-15 01:50:03,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:50:03,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 135 states and 535 transitions. [2022-12-15 01:50:03,324 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 535 transitions. [2022-12-15 01:50:03,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-15 01:50:03,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:50:03,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:50:03,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:50:03,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 01:50:03,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:50:03,373 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-15 01:50:04,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:50:04,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 136 states and 537 transitions. [2022-12-15 01:50:04,159 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 537 transitions. [2022-12-15 01:50:04,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-15 01:50:04,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:50:04,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:50:04,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:50:04,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 01:50:04,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:50:04,197 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-15 01:50:04,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:50:04,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 137 states and 538 transitions. [2022-12-15 01:50:04,728 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 538 transitions. [2022-12-15 01:50:04,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-15 01:50:04,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:50:04,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:50:04,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:50:04,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 01:50:04,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:50:04,765 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-15 01:50:05,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:50:05,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 138 states and 539 transitions. [2022-12-15 01:50:05,279 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 539 transitions. [2022-12-15 01:50:05,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-15 01:50:05,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:50:05,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:50:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:50:05,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 01:50:05,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:50:34,111 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 28 proven. 18 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-12-15 01:51:04,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:51:04,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 143 states and 569 transitions. [2022-12-15 01:51:04,779 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 569 transitions. [2022-12-15 01:51:04,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-15 01:51:04,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:51:04,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:51:04,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:51:04,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 01:51:04,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:51:09,487 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 28 proven. 18 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-12-15 01:51:34,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:51:34,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 147 states and 590 transitions. [2022-12-15 01:51:34,927 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 590 transitions. [2022-12-15 01:51:34,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-15 01:51:34,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:51:34,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:51:34,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:51:34,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 01:51:34,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:51:40,871 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 28 proven. 18 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-12-15 01:51:42,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:51:42,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 149 states and 597 transitions. [2022-12-15 01:51:42,487 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 597 transitions. [2022-12-15 01:51:42,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-15 01:51:42,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:51:42,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:51:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:51:42,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 01:51:42,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:51:44,364 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 28 proven. 18 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-12-15 01:51:48,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:51:48,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 151 states and 603 transitions. [2022-12-15 01:51:48,918 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 603 transitions. [2022-12-15 01:51:48,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-15 01:51:48,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:51:48,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:51:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:51:48,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 01:51:48,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:51:53,835 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 28 proven. 18 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-12-15 01:51:55,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:51:55,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 153 states and 605 transitions. [2022-12-15 01:51:55,553 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 605 transitions. [2022-12-15 01:51:55,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-15 01:51:55,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:51:55,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:51:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:51:55,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 01:51:55,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:52:01,492 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 33 proven. 20 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-12-15 01:52:10,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:52:10,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 158 states and 642 transitions. [2022-12-15 01:52:10,979 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 642 transitions. [2022-12-15 01:52:10,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-15 01:52:10,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:52:10,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:52:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:52:11,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 01:52:11,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:52:12,661 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 33 proven. 20 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-12-15 01:52:45,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:52:45,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 162 states and 661 transitions. [2022-12-15 01:52:45,024 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 661 transitions. [2022-12-15 01:52:45,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-15 01:52:45,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:52:45,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:52:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:52:45,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 01:52:45,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:52:46,761 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 33 proven. 20 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-12-15 01:52:49,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:52:49,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 164 states and 674 transitions. [2022-12-15 01:52:49,417 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 674 transitions. [2022-12-15 01:52:49,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-15 01:52:49,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:52:49,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:52:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:52:49,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 01:52:49,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:52:50,259 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 33 proven. 20 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-12-15 01:52:56,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:52:56,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 166 states and 676 transitions. [2022-12-15 01:52:56,031 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 676 transitions. [2022-12-15 01:52:56,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-15 01:52:56,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:52:56,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:52:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:52:56,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 01:52:56,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:52:57,900 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 33 proven. 20 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-12-15 01:53:00,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:00,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 168 states and 678 transitions. [2022-12-15 01:53:00,068 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 678 transitions. [2022-12-15 01:53:00,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-15 01:53:00,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:00,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:00,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:00,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 01:53:00,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:53:00,983 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 33 proven. 20 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-12-15 01:53:02,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:02,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 169 states and 684 transitions. [2022-12-15 01:53:02,947 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 684 transitions. [2022-12-15 01:53:02,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-15 01:53:02,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:02,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:02,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:02,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 01:53:02,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:53:03,942 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 33 proven. 20 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-12-15 01:53:08,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:08,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 171 states and 686 transitions. [2022-12-15 01:53:08,336 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 686 transitions. [2022-12-15 01:53:08,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-15 01:53:08,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:08,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:08,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-15 01:53:08,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:53:12,308 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 38 proven. 31 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-12-15 01:53:26,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:26,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 177 states and 733 transitions. [2022-12-15 01:53:26,093 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 733 transitions. [2022-12-15 01:53:26,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-15 01:53:26,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:26,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:26,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-15 01:53:26,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:53:30,274 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 38 proven. 31 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-12-15 01:53:37,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:37,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 179 states and 738 transitions. [2022-12-15 01:53:37,121 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 738 transitions. [2022-12-15 01:53:37,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-15 01:53:37,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:37,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:37,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-15 01:53:37,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:53:37,851 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-12-15 01:53:48,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:48,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 189 states and 908 transitions. [2022-12-15 01:53:48,514 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 908 transitions. [2022-12-15 01:53:48,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-15 01:53:48,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:48,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:48,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-15 01:53:48,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:53:52,381 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 38 proven. 31 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-12-15 01:53:54,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:54,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 190 states and 916 transitions. [2022-12-15 01:53:54,237 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 916 transitions. [2022-12-15 01:53:54,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-15 01:53:54,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:54,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:54,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:54,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-15 01:53:54,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:53:55,878 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 18 proven. 28 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-12-15 01:54:03,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:54:03,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 193 states and 929 transitions. [2022-12-15 01:54:03,274 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 929 transitions. [2022-12-15 01:54:03,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-15 01:54:03,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:54:03,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:54:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:54:03,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-15 01:54:03,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:54:07,283 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 38 proven. 31 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-12-15 01:54:14,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:54:14,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 196 states and 942 transitions. [2022-12-15 01:54:14,835 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 942 transitions. [2022-12-15 01:54:14,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-15 01:54:14,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:54:14,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:54:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:54:14,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-15 01:54:14,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:54:14,911 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-12-15 01:54:24,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:54:24,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 198 states and 945 transitions. [2022-12-15 01:54:24,575 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 945 transitions. [2022-12-15 01:54:24,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-15 01:54:24,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:54:24,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:54:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:54:24,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-15 01:54:24,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:54:24,651 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-12-15 01:54:28,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:54:28,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 200 states and 946 transitions. [2022-12-15 01:54:28,052 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 946 transitions. [2022-12-15 01:54:28,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-15 01:54:28,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:54:28,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:54:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:54:28,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-15 01:54:28,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:54:30,623 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 38 proven. 31 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-12-15 01:54:32,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:54:32,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 201 states and 948 transitions. [2022-12-15 01:54:32,023 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 948 transitions. [2022-12-15 01:54:32,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-15 01:54:32,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:54:32,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:54:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:54:32,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-15 01:54:32,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:54:35,619 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 38 proven. 31 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-12-15 01:54:36,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:54:36,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 202 states and 953 transitions. [2022-12-15 01:54:36,994 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 953 transitions. [2022-12-15 01:54:36,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-15 01:54:36,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:54:36,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:54:37,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:54:37,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-15 01:54:37,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:54:37,060 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-12-15 01:54:38,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:54:38,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 204 states and 957 transitions. [2022-12-15 01:54:38,309 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 957 transitions. [2022-12-15 01:54:38,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-15 01:54:38,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:54:38,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:54:38,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:54:38,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-15 01:54:38,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:54:38,395 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-12-15 01:54:39,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:54:39,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 205 states and 958 transitions. [2022-12-15 01:54:39,301 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 958 transitions. [2022-12-15 01:54:39,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-15 01:54:39,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:54:39,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:54:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:54:39,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-15 01:54:39,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:54:39,365 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-12-15 01:54:51,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:54:51,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 205 states and 955 transitions. [2022-12-15 01:54:51,359 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 955 transitions. [2022-12-15 01:54:51,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-15 01:54:51,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:54:51,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:54:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:54:51,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-15 01:54:51,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:54:51,427 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-12-15 01:54:52,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:54:52,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 205 states and 954 transitions. [2022-12-15 01:54:52,432 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 954 transitions. [2022-12-15 01:54:52,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-15 01:54:52,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:54:52,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:54:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:54:52,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-15 01:54:52,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:54:52,510 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-12-15 01:54:53,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:54:53,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 205 states and 953 transitions. [2022-12-15 01:54:53,567 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 953 transitions. [2022-12-15 01:54:53,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-15 01:54:53,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:54:53,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:54:53,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:54:53,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 01:54:53,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:54:53,615 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 67 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-12-15 01:55:00,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:55:00,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 207 states and 965 transitions. [2022-12-15 01:55:00,121 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 965 transitions. [2022-12-15 01:55:00,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-15 01:55:00,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:55:00,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:55:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:55:00,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 01:55:00,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:55:00,160 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 67 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-12-15 01:55:03,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:55:03,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 208 states and 973 transitions. [2022-12-15 01:55:03,419 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 973 transitions. [2022-12-15 01:55:03,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-15 01:55:03,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:55:03,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:55:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:55:03,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 01:55:03,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:55:03,458 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 67 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-12-15 01:55:04,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:55:04,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 209 states and 974 transitions. [2022-12-15 01:55:04,439 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 974 transitions. [2022-12-15 01:55:04,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-15 01:55:04,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:55:04,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:55:04,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:55:04,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 01:55:04,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:55:04,486 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 67 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-12-15 01:55:07,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:55:07,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 210 states and 980 transitions. [2022-12-15 01:55:07,695 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 980 transitions. [2022-12-15 01:55:07,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-15 01:55:07,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:55:07,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:55:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:55:07,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 01:55:07,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:55:07,741 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 67 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-12-15 01:55:08,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:55:08,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 211 states and 982 transitions. [2022-12-15 01:55:08,774 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 982 transitions. [2022-12-15 01:55:08,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-15 01:55:08,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:55:08,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:55:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:55:08,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 01:55:08,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:55:08,813 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 67 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-12-15 01:55:11,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:55:11,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 212 states and 985 transitions. [2022-12-15 01:55:11,856 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 985 transitions. [2022-12-15 01:55:11,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-12-15 01:55:11,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:55:11,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:55:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:55:11,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 01:55:11,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:55:41,560 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 43 proven. 34 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-12-15 01:56:19,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:56:19,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 216 states and 1023 transitions. [2022-12-15 01:56:19,421 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 1023 transitions. [2022-12-15 01:56:19,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-12-15 01:56:19,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:56:19,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:56:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:56:19,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 44 conjunts are in the unsatisfiable core [2022-12-15 01:56:19,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:56:41,122 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 60 proven. 38 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2022-12-15 01:57:14,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:14,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 220 states and 1051 transitions. [2022-12-15 01:57:14,932 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 1051 transitions. [2022-12-15 01:57:14,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-12-15 01:57:14,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:14,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:15,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 01:57:15,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:57:18,900 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 43 proven. 34 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-12-15 01:57:42,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:42,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 223 states and 1062 transitions. [2022-12-15 01:57:42,354 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 1062 transitions. [2022-12-15 01:57:42,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-12-15 01:57:42,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:42,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:42,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 01:57:42,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:57:46,264 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 43 proven. 34 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-12-15 01:57:55,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:55,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 225 states and 1066 transitions. [2022-12-15 01:57:55,248 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 1066 transitions. [2022-12-15 01:57:55,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-12-15 01:57:55,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:55,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:55,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 01:57:55,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:58:10,080 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2022-12-15 01:59:13,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:59:13,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 230 states and 1121 transitions. [2022-12-15 01:59:13,594 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 1121 transitions. [2022-12-15 01:59:13,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-12-15 01:59:13,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:59:13,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:59:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:59:13,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 44 conjunts are in the unsatisfiable core [2022-12-15 01:59:13,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:59:27,575 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 41 proven. 68 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-12-15 01:59:38,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:59:38,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 234 states and 1140 transitions. [2022-12-15 01:59:38,602 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 1140 transitions. [2022-12-15 01:59:38,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-12-15 01:59:38,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:59:38,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:59:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:59:38,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 01:59:38,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:59:49,033 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2022-12-15 02:00:07,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:00:07,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 235 states and 1160 transitions. [2022-12-15 02:00:07,384 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 1160 transitions. [2022-12-15 02:00:07,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-12-15 02:00:07,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:00:07,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:00:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:00:07,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 02:00:07,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:00:15,941 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2022-12-15 02:00:20,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:00:20,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 237 states and 1162 transitions. [2022-12-15 02:00:20,299 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 1162 transitions. [2022-12-15 02:00:20,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-12-15 02:00:20,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:00:20,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:00:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:00:20,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 02:00:20,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:00:27,070 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2022-12-15 02:00:53,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:00:53,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 240 states and 1169 transitions. [2022-12-15 02:00:53,162 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 1169 transitions. [2022-12-15 02:00:53,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-12-15 02:00:53,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:00:53,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:00:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:00:53,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 02:00:53,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:01:07,441 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2022-12-15 02:01:22,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:01:22,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 243 states and 1175 transitions. [2022-12-15 02:01:22,933 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 1175 transitions. [2022-12-15 02:01:22,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-12-15 02:01:22,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:01:22,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:01:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:01:23,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 02:01:23,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:01:34,070 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2022-12-15 02:01:38,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:01:39,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 244 states and 1187 transitions. [2022-12-15 02:01:39,000 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 1187 transitions. [2022-12-15 02:01:39,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-12-15 02:01:39,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:01:39,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:01:39,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:01:39,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 02:01:39,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:01:46,382 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2022-12-15 02:02:07,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:02:07,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 246 states and 1189 transitions. [2022-12-15 02:02:07,377 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 1189 transitions. [2022-12-15 02:02:07,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-15 02:02:07,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:02:07,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:02:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:02:07,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-15 02:02:07,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:02:36,547 WARN L233 SmtUtils]: Spent 10.45s on a formula simplification. DAG size of input: 57 DAG size of output: 49 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 02:02:38,899 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 53 proven. 52 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2022-12-15 02:03:09,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:03:09,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 251 states and 1246 transitions. [2022-12-15 02:03:09,161 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 1246 transitions. [2022-12-15 02:03:09,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-15 02:03:09,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:03:09,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:03:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:03:09,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-15 02:03:09,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:03:14,937 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 53 proven. 52 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2022-12-15 02:03:20,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:03:20,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 253 states and 1270 transitions. [2022-12-15 02:03:20,901 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 1270 transitions. [2022-12-15 02:03:20,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-15 02:03:20,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:03:20,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:03:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:03:21,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-15 02:03:21,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:03:25,669 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 53 proven. 52 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2022-12-15 02:03:28,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:03:28,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 254 states and 1274 transitions. [2022-12-15 02:03:28,828 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 1274 transitions. [2022-12-15 02:03:28,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-15 02:03:28,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:03:28,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:03:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:03:29,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-15 02:03:29,015 INFO L286 TraceCheckSpWp]: Computing forward predicates...