./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-new/gauss_sum.i.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6cbc76f-17ef-48b5-918b-cde8956f8fac/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6cbc76f-17ef-48b5-918b-cde8956f8fac/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_d6cbc76f-17ef-48b5-918b-cde8956f8fac/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6cbc76f-17ef-48b5-918b-cde8956f8fac/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-new/gauss_sum.i.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6cbc76f-17ef-48b5-918b-cde8956f8fac/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_d6cbc76f-17ef-48b5-918b-cde8956f8fac/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 cea92a885059765321ed7cf859cc3b638b98fdf9848e92fde0851dbffef1cf19 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 16:34:50,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:34:50,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:34:50,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:34:50,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:34:50,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:34:50,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:34:50,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:34:50,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:34:50,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:34:50,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:34:50,413 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:34:50,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:34:50,414 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:34:50,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:34:50,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:34:50,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:34:50,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:34:50,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:34:50,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:34:50,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:34:50,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:34:50,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:34:50,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:34:50,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:34:50,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:34:50,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:34:50,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:34:50,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:34:50,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:34:50,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:34:50,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:34:50,428 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:34:50,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:34:50,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:34:50,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:34:50,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:34:50,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:34:50,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:34:50,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:34:50,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:34:50,432 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6cbc76f-17ef-48b5-918b-cde8956f8fac/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 16:34:50,446 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:34:50,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:34:50,446 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:34:50,446 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 16:34:50,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 16:34:50,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 16:34:50,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:34:50,447 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 16:34:50,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 16:34:50,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 16:34:50,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:34:50,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:34:50,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:34:50,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:34:50,448 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 16:34:50,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:34:50,448 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:34:50,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:34:50,449 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 16:34:50,449 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 16:34:50,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:34:50,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:34:50,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:34:50,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:34:50,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:34:50,450 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 16:34:50,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 16:34:50,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:34:50,450 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_d6cbc76f-17ef-48b5-918b-cde8956f8fac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6cbc76f-17ef-48b5-918b-cde8956f8fac/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cea92a885059765321ed7cf859cc3b638b98fdf9848e92fde0851dbffef1cf19 [2022-12-14 16:34:50,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:34:50,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:34:50,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:34:50,637 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:34:50,637 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:34:50,638 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6cbc76f-17ef-48b5-918b-cde8956f8fac/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/loop-new/gauss_sum.i.p+cfa-reducer.c [2022-12-14 16:34:53,202 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:34:53,348 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:34:53,348 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6cbc76f-17ef-48b5-918b-cde8956f8fac/sv-benchmarks/c/loop-new/gauss_sum.i.p+cfa-reducer.c [2022-12-14 16:34:53,352 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6cbc76f-17ef-48b5-918b-cde8956f8fac/bin/ukojak-rkRKPMF4O4/data/ed5a23a18/5dbe28ea0fdd438592598a62b915c0c6/FLAG8a2a96e3b [2022-12-14 16:34:53,765 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6cbc76f-17ef-48b5-918b-cde8956f8fac/bin/ukojak-rkRKPMF4O4/data/ed5a23a18/5dbe28ea0fdd438592598a62b915c0c6 [2022-12-14 16:34:53,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:34:53,768 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:34:53,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:34:53,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:34:53,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:34:53,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:34:53" (1/1) ... [2022-12-14 16:34:53,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1276dd22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:34:53, skipping insertion in model container [2022-12-14 16:34:53,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:34:53" (1/1) ... [2022-12-14 16:34:53,778 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:34:53,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:34:53,892 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_d6cbc76f-17ef-48b5-918b-cde8956f8fac/sv-benchmarks/c/loop-new/gauss_sum.i.p+cfa-reducer.c[1014,1027] [2022-12-14 16:34:53,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:34:53,903 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:34:53,913 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_d6cbc76f-17ef-48b5-918b-cde8956f8fac/sv-benchmarks/c/loop-new/gauss_sum.i.p+cfa-reducer.c[1014,1027] [2022-12-14 16:34:53,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:34:53,923 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:34:53,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:34:53 WrapperNode [2022-12-14 16:34:53,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:34:53,924 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:34:53,924 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:34:53,924 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:34:53,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:34:53" (1/1) ... [2022-12-14 16:34:53,935 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:34:53" (1/1) ... [2022-12-14 16:34:53,948 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2022-12-14 16:34:53,948 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:34:53,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:34:53,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:34:53,948 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:34:53,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:34:53" (1/1) ... [2022-12-14 16:34:53,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:34:53" (1/1) ... [2022-12-14 16:34:53,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:34:53" (1/1) ... [2022-12-14 16:34:53,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:34:53" (1/1) ... [2022-12-14 16:34:53,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:34:53" (1/1) ... [2022-12-14 16:34:53,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:34:53" (1/1) ... [2022-12-14 16:34:53,959 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:34:53" (1/1) ... [2022-12-14 16:34:53,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:34:53" (1/1) ... [2022-12-14 16:34:53,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:34:53,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:34:53,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:34:53,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:34:53,961 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:34:53" (1/1) ... [2022-12-14 16:34:53,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:34:53,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6cbc76f-17ef-48b5-918b-cde8956f8fac/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 16:34:53,983 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6cbc76f-17ef-48b5-918b-cde8956f8fac/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 16:34:53,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6cbc76f-17ef-48b5-918b-cde8956f8fac/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 16:34:54,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 16:34:54,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 16:34:54,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:34:54,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:34:54,067 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:34:54,068 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:34:54,151 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:34:54,165 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:34:54,166 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 16:34:54,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:34:54 BoogieIcfgContainer [2022-12-14 16:34:54,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 16:34:54,169 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 16:34:54,169 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 16:34:54,179 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 16:34:54,179 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:34:54" (1/1) ... [2022-12-14 16:34:54,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:34:54,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:34:54,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2022-12-14 16:34:54,236 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2022-12-14 16:34:54,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 16:34:54,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:34:54,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:34:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:34:54,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 16:34:54,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:34:54,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:34:54,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:34:54,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2022-12-14 16:34:54,463 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2022-12-14 16:34:54,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 16:34:54,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:34:54,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:34:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:34:54,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 16:34:54,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:34:54,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:34:54,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:34:54,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-12-14 16:34:54,806 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-12-14 16:34:54,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 16:34:54,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:34:54,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:34:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:34:54,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-14 16:34:54,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:34:54,933 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:34:55,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:34:55,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-12-14 16:34:55,075 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-12-14 16:34:55,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 16:34:55,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:34:55,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:34:55,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:34:55,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-14 16:34:55,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:34:55,175 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:34:55,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:34:55,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2022-12-14 16:34:55,415 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2022-12-14 16:34:55,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 16:34:55,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:34:55,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:34:55,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:34:55,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 27 conjunts are in the unsatisfiable core [2022-12-14 16:34:55,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:34:55,530 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:34:55,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:34:55,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 16 states and 25 transitions. [2022-12-14 16:34:55,817 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2022-12-14 16:34:55,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 16:34:55,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:34:55,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:34:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:34:55,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 32 conjunts are in the unsatisfiable core [2022-12-14 16:34:55,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:34:56,161 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:34:56,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:34:56,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 18 states and 29 transitions. [2022-12-14 16:34:56,650 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 29 transitions. [2022-12-14 16:34:56,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 16:34:56,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:34:56,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:34:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:34:56,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 35 conjunts are in the unsatisfiable core [2022-12-14 16:34:56,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:34:56,796 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:34:57,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:34:57,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 20 states and 33 transitions. [2022-12-14 16:34:57,296 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 33 transitions. [2022-12-14 16:34:57,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 16:34:57,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:34:57,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:34:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:34:57,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-14 16:34:57,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:34:57,471 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:34:57,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:34:57,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 22 states and 37 transitions. [2022-12-14 16:34:57,887 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 37 transitions. [2022-12-14 16:34:57,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 16:34:57,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:34:57,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:34:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:34:57,904 WARN L261 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 43 conjunts are in the unsatisfiable core [2022-12-14 16:34:57,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:34:58,061 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:34:58,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:34:58,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2022-12-14 16:34:58,545 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2022-12-14 16:34:58,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 16:34:58,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:34:58,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:34:58,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:34:58,565 WARN L261 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 47 conjunts are in the unsatisfiable core [2022-12-14 16:34:58,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:34:58,745 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:34:59,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:34:59,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2022-12-14 16:34:59,353 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2022-12-14 16:34:59,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 16:34:59,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:34:59,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:34:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:34:59,377 WARN L261 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 53 conjunts are in the unsatisfiable core [2022-12-14 16:34:59,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:34:59,838 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:35:00,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:35:00,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 28 states and 49 transitions. [2022-12-14 16:35:00,928 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 49 transitions. [2022-12-14 16:35:00,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 16:35:00,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:35:00,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:35:00,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:35:00,956 WARN L261 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 55 conjunts are in the unsatisfiable core [2022-12-14 16:35:00,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:35:01,263 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:35:02,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:35:02,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2022-12-14 16:35:02,233 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2022-12-14 16:35:02,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 16:35:02,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:35:02,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:35:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:35:02,261 WARN L261 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 59 conjunts are in the unsatisfiable core [2022-12-14 16:35:02,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:35:02,523 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:35:03,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:35:03,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 32 states and 57 transitions. [2022-12-14 16:35:03,495 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 57 transitions. [2022-12-14 16:35:03,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 16:35:03,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:35:03,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:35:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:35:03,521 WARN L261 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 63 conjunts are in the unsatisfiable core [2022-12-14 16:35:03,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:35:03,994 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:35:05,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:35:05,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2022-12-14 16:35:05,244 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2022-12-14 16:35:05,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 16:35:05,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:35:05,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:35:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:35:05,271 WARN L261 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 67 conjunts are in the unsatisfiable core [2022-12-14 16:35:05,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:35:05,634 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:35:06,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:35:06,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 65 transitions. [2022-12-14 16:35:06,983 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 65 transitions. [2022-12-14 16:35:06,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 16:35:06,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:35:06,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:35:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:35:07,018 WARN L261 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 71 conjunts are in the unsatisfiable core [2022-12-14 16:35:07,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:35:07,470 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:35:08,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:35:08,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2022-12-14 16:35:08,664 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2022-12-14 16:35:08,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 16:35:08,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:35:08,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:35:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:35:08,698 WARN L261 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 76 conjunts are in the unsatisfiable core [2022-12-14 16:35:08,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:35:09,271 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:35:10,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:35:10,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 40 states and 73 transitions. [2022-12-14 16:35:10,743 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 73 transitions. [2022-12-14 16:35:10,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 16:35:10,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:35:10,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:35:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:35:10,781 WARN L261 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 79 conjunts are in the unsatisfiable core [2022-12-14 16:35:10,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:35:11,200 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:35:12,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:35:12,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 42 states and 77 transitions. [2022-12-14 16:35:12,653 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 77 transitions. [2022-12-14 16:35:12,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 16:35:12,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:35:12,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:35:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:35:12,695 WARN L261 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 83 conjunts are in the unsatisfiable core [2022-12-14 16:35:12,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:35:13,203 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:35:14,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:35:14,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 44 states and 81 transitions. [2022-12-14 16:35:14,726 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2022-12-14 16:35:14,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 16:35:14,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:35:14,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:35:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:35:14,773 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 87 conjunts are in the unsatisfiable core [2022-12-14 16:35:14,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:35:15,361 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:35:16,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:35:16,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 46 states and 85 transitions. [2022-12-14 16:35:16,857 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-12-14 16:35:16,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 16:35:16,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:35:16,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:35:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:35:16,900 WARN L261 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 91 conjunts are in the unsatisfiable core [2022-12-14 16:35:16,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:35:17,343 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:35:19,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:35:19,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 48 states and 89 transitions. [2022-12-14 16:35:19,130 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 89 transitions. [2022-12-14 16:35:19,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 16:35:19,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:35:19,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:35:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:35:19,180 WARN L261 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 95 conjunts are in the unsatisfiable core [2022-12-14 16:35:19,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:35:19,909 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:35:21,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:35:21,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 50 states and 93 transitions. [2022-12-14 16:35:21,693 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 93 transitions. [2022-12-14 16:35:21,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 16:35:21,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:35:21,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:35:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:35:21,730 WARN L261 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 99 conjunts are in the unsatisfiable core [2022-12-14 16:35:21,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:35:22,386 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:35:24,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:35:24,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 52 states and 97 transitions. [2022-12-14 16:35:24,327 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 97 transitions. [2022-12-14 16:35:24,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 16:35:24,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:35:24,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:35:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:35:24,369 WARN L261 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 103 conjunts are in the unsatisfiable core [2022-12-14 16:35:24,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:35:25,023 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:35:27,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:35:27,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 54 states and 101 transitions. [2022-12-14 16:35:27,153 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 101 transitions. [2022-12-14 16:35:27,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 16:35:27,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:35:27,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:35:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:35:27,198 WARN L261 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 107 conjunts are in the unsatisfiable core [2022-12-14 16:35:27,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:35:27,919 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:35:29,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:35:29,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 56 states and 105 transitions. [2022-12-14 16:35:29,995 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 105 transitions. [2022-12-14 16:35:29,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 16:35:29,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:35:29,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:35:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:35:30,051 WARN L261 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 111 conjunts are in the unsatisfiable core [2022-12-14 16:35:30,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:35:30,985 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:35:33,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:35:33,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 58 states and 109 transitions. [2022-12-14 16:35:33,266 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 109 transitions. [2022-12-14 16:35:33,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 16:35:33,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:35:33,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:35:33,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:35:33,308 WARN L261 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 115 conjunts are in the unsatisfiable core [2022-12-14 16:35:33,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:35:34,455 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:35:36,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:35:36,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 60 states and 113 transitions. [2022-12-14 16:35:36,999 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 113 transitions. [2022-12-14 16:35:36,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 16:35:36,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:35:36,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:35:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:35:37,040 WARN L261 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 119 conjunts are in the unsatisfiable core [2022-12-14 16:35:37,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:35:38,158 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:35:41,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:35:41,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 62 states and 117 transitions. [2022-12-14 16:35:41,069 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 117 transitions. [2022-12-14 16:35:41,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 16:35:41,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:35:41,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:35:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:35:41,114 WARN L261 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 123 conjunts are in the unsatisfiable core [2022-12-14 16:35:41,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:35:42,320 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:35:45,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:35:45,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 64 states and 121 transitions. [2022-12-14 16:35:45,209 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 121 transitions. [2022-12-14 16:35:45,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 16:35:45,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:35:45,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:35:45,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:35:45,258 WARN L261 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 127 conjunts are in the unsatisfiable core [2022-12-14 16:35:45,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:35:46,398 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:35:49,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:35:49,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 66 states and 125 transitions. [2022-12-14 16:35:49,191 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 125 transitions. [2022-12-14 16:35:49,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 16:35:49,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:35:49,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:35:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:35:49,256 WARN L261 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 131 conjunts are in the unsatisfiable core [2022-12-14 16:35:49,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:35:50,395 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:35:53,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:35:53,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 68 states and 129 transitions. [2022-12-14 16:35:53,378 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 129 transitions. [2022-12-14 16:35:53,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 16:35:53,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:35:53,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:35:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:35:53,424 WARN L261 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 135 conjunts are in the unsatisfiable core [2022-12-14 16:35:53,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:35:54,929 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:35:58,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:35:58,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 70 states and 133 transitions. [2022-12-14 16:35:58,554 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 133 transitions. [2022-12-14 16:35:58,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 16:35:58,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:35:58,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:35:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:35:58,605 WARN L261 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 139 conjunts are in the unsatisfiable core [2022-12-14 16:35:58,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:36:00,110 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:36:03,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:03,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 72 states and 137 transitions. [2022-12-14 16:36:03,871 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 137 transitions. [2022-12-14 16:36:03,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 16:36:03,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:03,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:03,925 WARN L261 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 143 conjunts are in the unsatisfiable core [2022-12-14 16:36:03,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:36:05,068 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:36:08,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:08,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 74 states and 141 transitions. [2022-12-14 16:36:08,706 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 141 transitions. [2022-12-14 16:36:08,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 16:36:08,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:08,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:08,758 WARN L261 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 147 conjunts are in the unsatisfiable core [2022-12-14 16:36:08,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:36:10,530 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:36:14,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:14,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 76 states and 145 transitions. [2022-12-14 16:36:14,435 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 145 transitions. [2022-12-14 16:36:14,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 16:36:14,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:14,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:14,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:14,485 WARN L261 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 151 conjunts are in the unsatisfiable core [2022-12-14 16:36:14,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:36:16,373 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:36:20,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:20,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 78 states and 149 transitions. [2022-12-14 16:36:20,080 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 149 transitions. [2022-12-14 16:36:20,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 16:36:20,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:20,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:20,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:20,132 WARN L261 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 155 conjunts are in the unsatisfiable core [2022-12-14 16:36:20,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:36:21,236 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:36:25,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:25,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 80 states and 153 transitions. [2022-12-14 16:36:25,217 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 153 transitions. [2022-12-14 16:36:25,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 16:36:25,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:25,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:25,273 WARN L261 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 159 conjunts are in the unsatisfiable core [2022-12-14 16:36:25,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:36:26,769 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:36:30,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:30,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 82 states and 157 transitions. [2022-12-14 16:36:30,741 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 157 transitions. [2022-12-14 16:36:30,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 16:36:30,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:30,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:30,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:30,801 WARN L261 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 163 conjunts are in the unsatisfiable core [2022-12-14 16:36:30,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:36:32,745 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:36:37,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:37,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 84 states and 161 transitions. [2022-12-14 16:36:37,036 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 161 transitions. [2022-12-14 16:36:37,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 16:36:37,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:37,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:37,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:37,104 WARN L261 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 167 conjunts are in the unsatisfiable core [2022-12-14 16:36:37,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:36:39,759 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:36:44,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:44,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 86 states and 165 transitions. [2022-12-14 16:36:44,163 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 165 transitions. [2022-12-14 16:36:44,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 16:36:44,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:44,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:44,242 WARN L261 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 171 conjunts are in the unsatisfiable core [2022-12-14 16:36:44,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:36:46,363 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:36:51,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:51,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 88 states and 169 transitions. [2022-12-14 16:36:51,279 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 169 transitions. [2022-12-14 16:36:51,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 16:36:51,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:51,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:51,346 WARN L261 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 175 conjunts are in the unsatisfiable core [2022-12-14 16:36:51,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:36:54,513 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:36:59,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:59,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 90 states and 173 transitions. [2022-12-14 16:36:59,548 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 173 transitions. [2022-12-14 16:36:59,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-14 16:36:59,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:59,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:59,617 WARN L261 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 179 conjunts are in the unsatisfiable core [2022-12-14 16:36:59,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:37:02,563 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:37:07,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:37:07,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 92 states and 177 transitions. [2022-12-14 16:37:07,632 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 177 transitions. [2022-12-14 16:37:07,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-14 16:37:07,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:37:07,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:37:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:37:07,718 WARN L261 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 183 conjunts are in the unsatisfiable core [2022-12-14 16:37:07,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:37:11,286 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:37:16,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:37:16,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 94 states and 181 transitions. [2022-12-14 16:37:16,493 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 181 transitions. [2022-12-14 16:37:16,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-14 16:37:16,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:37:16,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:37:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:37:16,557 WARN L261 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 187 conjunts are in the unsatisfiable core [2022-12-14 16:37:16,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:37:18,831 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:37:24,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:37:24,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 96 states and 185 transitions. [2022-12-14 16:37:24,364 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 185 transitions. [2022-12-14 16:37:24,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-14 16:37:24,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:37:24,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:37:24,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:37:24,450 WARN L261 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 191 conjunts are in the unsatisfiable core [2022-12-14 16:37:24,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:37:28,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:37:34,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:37:34,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 98 states and 189 transitions. [2022-12-14 16:37:34,220 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 189 transitions. [2022-12-14 16:37:34,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 16:37:34,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:37:34,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:37:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:37:34,293 WARN L261 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 195 conjunts are in the unsatisfiable core [2022-12-14 16:37:34,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:37:36,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:37:42,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:37:42,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 100 states and 193 transitions. [2022-12-14 16:37:42,859 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 193 transitions. [2022-12-14 16:37:42,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-14 16:37:42,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:37:42,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:37:42,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:37:42,943 WARN L261 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 199 conjunts are in the unsatisfiable core [2022-12-14 16:37:42,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:37:45,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:37:51,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:37:51,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 102 states and 197 transitions. [2022-12-14 16:37:51,981 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 197 transitions. [2022-12-14 16:37:51,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 16:37:51,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:37:51,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:37:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:37:52,053 WARN L261 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 203 conjunts are in the unsatisfiable core [2022-12-14 16:37:52,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:37:55,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:38:01,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:38:01,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 104 states and 201 transitions. [2022-12-14 16:38:01,500 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 201 transitions. [2022-12-14 16:38:01,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-14 16:38:01,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:38:01,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:38:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:38:01,574 WARN L261 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 207 conjunts are in the unsatisfiable core [2022-12-14 16:38:01,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:38:05,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:38:12,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:38:12,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 106 states and 205 transitions. [2022-12-14 16:38:12,285 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 205 transitions. [2022-12-14 16:38:12,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-14 16:38:12,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:38:12,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:38:12,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:38:12,400 WARN L261 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 211 conjunts are in the unsatisfiable core [2022-12-14 16:38:12,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:38:15,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:38:23,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:38:23,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 108 states and 209 transitions. [2022-12-14 16:38:23,101 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 209 transitions. [2022-12-14 16:38:23,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-14 16:38:23,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:38:23,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:38:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:38:23,187 WARN L261 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 215 conjunts are in the unsatisfiable core [2022-12-14 16:38:23,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:38:27,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:38:34,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:38:34,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 110 states and 213 transitions. [2022-12-14 16:38:34,406 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 213 transitions. [2022-12-14 16:38:34,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-14 16:38:34,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:38:34,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:38:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:38:34,488 WARN L261 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 219 conjunts are in the unsatisfiable core [2022-12-14 16:38:34,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:38:37,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:38:44,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:38:44,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 112 states and 217 transitions. [2022-12-14 16:38:44,863 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 217 transitions. [2022-12-14 16:38:44,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-14 16:38:44,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:38:44,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:38:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:38:44,948 WARN L261 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 223 conjunts are in the unsatisfiable core [2022-12-14 16:38:44,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:38:48,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:38:55,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:38:55,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 114 states and 221 transitions. [2022-12-14 16:38:55,862 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 221 transitions. [2022-12-14 16:38:55,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-14 16:38:55,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:38:55,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:38:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:38:55,955 WARN L261 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 227 conjunts are in the unsatisfiable core [2022-12-14 16:38:55,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:39:00,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:39:07,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:39:07,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 116 states and 225 transitions. [2022-12-14 16:39:07,900 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 225 transitions. [2022-12-14 16:39:07,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-14 16:39:07,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:39:07,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:39:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:39:07,984 WARN L261 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 231 conjunts are in the unsatisfiable core [2022-12-14 16:39:07,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:39:12,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:39:20,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:39:20,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 118 states and 229 transitions. [2022-12-14 16:39:20,014 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 229 transitions. [2022-12-14 16:39:20,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-14 16:39:20,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:39:20,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:39:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:39:20,112 WARN L261 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 235 conjunts are in the unsatisfiable core [2022-12-14 16:39:20,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:39:24,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:39:32,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:39:32,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 120 states and 233 transitions. [2022-12-14 16:39:32,654 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 233 transitions. [2022-12-14 16:39:32,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-14 16:39:32,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:39:32,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:39:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:39:32,748 WARN L261 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 239 conjunts are in the unsatisfiable core [2022-12-14 16:39:32,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:39:37,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:39:45,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:39:45,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 122 states and 237 transitions. [2022-12-14 16:39:45,937 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 237 transitions. [2022-12-14 16:39:45,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-14 16:39:45,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:39:45,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:39:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:39:46,033 WARN L261 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 243 conjunts are in the unsatisfiable core [2022-12-14 16:39:46,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:39:51,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:40:01,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:40:01,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 124 states and 241 transitions. [2022-12-14 16:40:01,821 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 241 transitions. [2022-12-14 16:40:01,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-14 16:40:01,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:40:01,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:40:01,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:40:01,937 WARN L261 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 247 conjunts are in the unsatisfiable core [2022-12-14 16:40:01,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:40:07,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:40:16,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:40:16,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 126 states and 245 transitions. [2022-12-14 16:40:16,554 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 245 transitions. [2022-12-14 16:40:16,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 16:40:16,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:40:16,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:40:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:40:16,647 WARN L261 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 251 conjunts are in the unsatisfiable core [2022-12-14 16:40:16,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:40:21,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:40:30,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:40:30,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 128 states and 249 transitions. [2022-12-14 16:40:30,904 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 249 transitions. [2022-12-14 16:40:30,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-12-14 16:40:30,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:40:30,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:40:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:40:31,000 WARN L261 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 255 conjunts are in the unsatisfiable core [2022-12-14 16:40:31,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:40:37,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:40:45,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:40:45,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 130 states and 253 transitions. [2022-12-14 16:40:45,995 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 253 transitions. [2022-12-14 16:40:45,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-14 16:40:45,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:40:45,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:40:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:40:46,122 WARN L261 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 259 conjunts are in the unsatisfiable core [2022-12-14 16:40:46,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:40:53,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:41:02,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:41:02,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 132 states and 257 transitions. [2022-12-14 16:41:02,431 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 257 transitions. [2022-12-14 16:41:02,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-12-14 16:41:02,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:41:02,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:41:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:41:02,538 WARN L261 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 263 conjunts are in the unsatisfiable core [2022-12-14 16:41:02,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:41:07,412 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:41:16,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:41:16,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 134 states and 261 transitions. [2022-12-14 16:41:16,992 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 261 transitions. [2022-12-14 16:41:16,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-12-14 16:41:16,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:41:16,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:41:17,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:41:17,125 WARN L261 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 267 conjunts are in the unsatisfiable core [2022-12-14 16:41:17,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:41:23,775 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:41:33,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:41:33,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 136 states and 265 transitions. [2022-12-14 16:41:33,222 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 265 transitions. [2022-12-14 16:41:33,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-14 16:41:33,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:41:33,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:41:33,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:41:33,336 WARN L261 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 271 conjunts are in the unsatisfiable core [2022-12-14 16:41:33,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:41:41,563 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:41:51,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:41:51,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 138 states and 269 transitions. [2022-12-14 16:41:51,427 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 269 transitions. [2022-12-14 16:41:51,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-12-14 16:41:51,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:41:51,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:41:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:41:51,546 WARN L261 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 275 conjunts are in the unsatisfiable core [2022-12-14 16:41:51,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:41:57,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:42:07,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:42:07,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 140 states and 273 transitions. [2022-12-14 16:42:07,438 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 273 transitions. [2022-12-14 16:42:07,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-12-14 16:42:07,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:42:07,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:42:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:42:07,566 WARN L261 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 279 conjunts are in the unsatisfiable core [2022-12-14 16:42:07,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:42:13,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:42:24,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:42:24,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 142 states and 277 transitions. [2022-12-14 16:42:24,562 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 277 transitions. [2022-12-14 16:42:24,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-12-14 16:42:24,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:42:24,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:42:24,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:42:24,687 WARN L261 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 283 conjunts are in the unsatisfiable core [2022-12-14 16:42:24,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:42:32,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:42:42,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:42:42,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 144 states and 281 transitions. [2022-12-14 16:42:42,772 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 281 transitions. [2022-12-14 16:42:42,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-14 16:42:42,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:42:42,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:42:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:42:42,892 WARN L261 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 287 conjunts are in the unsatisfiable core [2022-12-14 16:42:42,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:42:50,643 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:43:02,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:43:02,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 146 states and 285 transitions. [2022-12-14 16:43:02,049 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 285 transitions. [2022-12-14 16:43:02,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-12-14 16:43:02,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:43:02,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:43:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:43:02,184 WARN L261 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 291 conjunts are in the unsatisfiable core [2022-12-14 16:43:02,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:43:09,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:43:20,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:43:20,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 148 states and 289 transitions. [2022-12-14 16:43:20,277 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 289 transitions. [2022-12-14 16:43:20,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-14 16:43:20,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:43:20,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:43:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:43:20,430 WARN L261 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 295 conjunts are in the unsatisfiable core [2022-12-14 16:43:20,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:43:27,701 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:43:38,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:43:38,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 150 states and 293 transitions. [2022-12-14 16:43:38,969 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 293 transitions. [2022-12-14 16:43:38,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-12-14 16:43:38,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:43:38,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:43:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:43:39,093 WARN L261 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 299 conjunts are in the unsatisfiable core [2022-12-14 16:43:39,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:43:47,284 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:44:00,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:44:00,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 152 states and 297 transitions. [2022-12-14 16:44:00,228 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 297 transitions. [2022-12-14 16:44:00,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-12-14 16:44:00,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:44:00,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:44:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:44:00,374 WARN L261 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 303 conjunts are in the unsatisfiable core [2022-12-14 16:44:00,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:44:08,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:44:19,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:44:19,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 154 states and 301 transitions. [2022-12-14 16:44:19,857 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 301 transitions. [2022-12-14 16:44:19,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-14 16:44:19,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:44:19,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:44:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:44:19,990 WARN L261 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 307 conjunts are in the unsatisfiable core [2022-12-14 16:44:19,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:44:28,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:44:41,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:44:41,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 156 states and 305 transitions. [2022-12-14 16:44:41,334 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 305 transitions. [2022-12-14 16:44:41,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-14 16:44:41,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:44:41,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:44:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:44:41,492 WARN L261 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 311 conjunts are in the unsatisfiable core [2022-12-14 16:44:41,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:44:50,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:45:01,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:45:01,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 158 states and 309 transitions. [2022-12-14 16:45:01,926 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 309 transitions. [2022-12-14 16:45:01,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-12-14 16:45:01,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:45:01,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:45:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:45:02,068 WARN L261 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 315 conjunts are in the unsatisfiable core [2022-12-14 16:45:02,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:45:13,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:45:25,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:45:26,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 160 states and 313 transitions. [2022-12-14 16:45:26,000 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 313 transitions. [2022-12-14 16:45:26,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-12-14 16:45:26,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:45:26,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:45:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:45:26,135 WARN L261 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 319 conjunts are in the unsatisfiable core [2022-12-14 16:45:26,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:45:35,984 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:45:49,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:45:49,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 162 states and 317 transitions. [2022-12-14 16:45:49,281 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 317 transitions. [2022-12-14 16:45:49,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-12-14 16:45:49,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:45:49,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:45:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:45:49,435 WARN L261 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 323 conjunts are in the unsatisfiable core [2022-12-14 16:45:49,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:45:59,416 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:46:12,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:46:12,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 164 states and 321 transitions. [2022-12-14 16:46:12,353 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 321 transitions. [2022-12-14 16:46:12,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-14 16:46:12,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:46:12,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:46:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:46:12,517 WARN L261 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 327 conjunts are in the unsatisfiable core [2022-12-14 16:46:12,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:46:22,311 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:46:35,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:46:35,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 166 states and 325 transitions. [2022-12-14 16:46:35,776 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 325 transitions. [2022-12-14 16:46:35,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-14 16:46:35,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:46:35,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:46:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:46:35,938 WARN L261 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 331 conjunts are in the unsatisfiable core [2022-12-14 16:46:35,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:46:47,754 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:47:01,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:47:01,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 168 states and 329 transitions. [2022-12-14 16:47:01,700 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 329 transitions. [2022-12-14 16:47:01,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-12-14 16:47:01,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:47:01,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:47:01,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:47:01,865 WARN L261 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 335 conjunts are in the unsatisfiable core [2022-12-14 16:47:01,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:47:13,609 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:47:28,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:47:28,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 170 states and 333 transitions. [2022-12-14 16:47:28,551 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 333 transitions. [2022-12-14 16:47:28,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-14 16:47:28,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:47:28,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:47:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:47:28,706 WARN L261 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 339 conjunts are in the unsatisfiable core [2022-12-14 16:47:28,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:47:40,458 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:47:55,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:47:55,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 172 states and 337 transitions. [2022-12-14 16:47:55,157 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 337 transitions. [2022-12-14 16:47:55,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-12-14 16:47:55,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:47:55,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:47:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:47:55,312 WARN L261 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 343 conjunts are in the unsatisfiable core [2022-12-14 16:47:55,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:48:10,708 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:48:26,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:48:26,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 174 states and 341 transitions. [2022-12-14 16:48:26,503 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 341 transitions. [2022-12-14 16:48:26,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-12-14 16:48:26,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:48:26,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:48:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:48:26,664 WARN L261 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 347 conjunts are in the unsatisfiable core [2022-12-14 16:48:26,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:48:37,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:48:52,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:48:52,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 176 states and 345 transitions. [2022-12-14 16:48:52,459 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 345 transitions. [2022-12-14 16:48:52,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-12-14 16:48:52,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:48:52,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:48:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:48:52,638 WARN L261 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 351 conjunts are in the unsatisfiable core [2022-12-14 16:48:52,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:49:06,253 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:49:22,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:49:22,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 178 states and 349 transitions. [2022-12-14 16:49:22,502 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 349 transitions. [2022-12-14 16:49:22,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-14 16:49:22,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:49:22,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:49:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:49:22,687 WARN L261 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 355 conjunts are in the unsatisfiable core [2022-12-14 16:49:22,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:49:35,214 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.