./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/copy-partial-3-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17909b-7dfb-4de9-ab64-04eabec27830/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17909b-7dfb-4de9-ab64-04eabec27830/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17909b-7dfb-4de9-ab64-04eabec27830/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17909b-7dfb-4de9-ab64-04eabec27830/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/copy-partial-3-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17909b-7dfb-4de9-ab64-04eabec27830/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17909b-7dfb-4de9-ab64-04eabec27830/bin/ukojak-d1pc8ZmBRL --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 52a248b2b2cf395cf0c12ea6447af889ed3691d7fa3d2de2504a7728d19c705b --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 07:17:21,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 07:17:21,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 07:17:21,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 07:17:21,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 07:17:21,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 07:17:21,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 07:17:21,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 07:17:21,820 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 07:17:21,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 07:17:21,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 07:17:21,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 07:17:21,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 07:17:21,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 07:17:21,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 07:17:21,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 07:17:21,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 07:17:21,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 07:17:21,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 07:17:21,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 07:17:21,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 07:17:21,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 07:17:21,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 07:17:21,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 07:17:21,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 07:17:21,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 07:17:21,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 07:17:21,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 07:17:21,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 07:17:21,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 07:17:21,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 07:17:21,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 07:17:21,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 07:17:21,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 07:17:21,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 07:17:21,892 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 07:17:21,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 07:17:21,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 07:17:21,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 07:17:21,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 07:17:21,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 07:17:21,900 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17909b-7dfb-4de9-ab64-04eabec27830/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-25 07:17:21,935 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 07:17:21,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 07:17:21,936 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 07:17:21,936 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 07:17:21,937 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 07:17:21,937 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 07:17:21,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 07:17:21,938 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 07:17:21,938 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 07:17:21,938 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 07:17:21,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 07:17:21,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 07:17:21,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 07:17:21,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 07:17:21,939 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 07:17:21,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 07:17:21,940 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 07:17:21,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 07:17:21,940 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 07:17:21,940 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 07:17:21,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 07:17:21,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:17:21,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 07:17:21,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 07:17:21,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 07:17:21,942 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 07:17:21,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 07:17:21,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 07:17:21,942 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_0c17909b-7dfb-4de9-ab64-04eabec27830/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17909b-7dfb-4de9-ab64-04eabec27830/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52a248b2b2cf395cf0c12ea6447af889ed3691d7fa3d2de2504a7728d19c705b [2021-11-25 07:17:22,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 07:17:22,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 07:17:22,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 07:17:22,298 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 07:17:22,299 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 07:17:22,301 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17909b-7dfb-4de9-ab64-04eabec27830/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/array-multidimensional/copy-partial-3-u.c [2021-11-25 07:17:22,387 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17909b-7dfb-4de9-ab64-04eabec27830/bin/ukojak-d1pc8ZmBRL/data/b60401891/8e2f98429a6344d39c907482f8782a1a/FLAGda27f09e9 [2021-11-25 07:17:22,935 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 07:17:22,936 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17909b-7dfb-4de9-ab64-04eabec27830/sv-benchmarks/c/array-multidimensional/copy-partial-3-u.c [2021-11-25 07:17:22,943 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17909b-7dfb-4de9-ab64-04eabec27830/bin/ukojak-d1pc8ZmBRL/data/b60401891/8e2f98429a6344d39c907482f8782a1a/FLAGda27f09e9 [2021-11-25 07:17:23,295 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17909b-7dfb-4de9-ab64-04eabec27830/bin/ukojak-d1pc8ZmBRL/data/b60401891/8e2f98429a6344d39c907482f8782a1a [2021-11-25 07:17:23,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 07:17:23,300 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 07:17:23,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 07:17:23,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 07:17:23,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 07:17:23,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:17:23" (1/1) ... [2021-11-25 07:17:23,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cf3ffca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:17:23, skipping insertion in model container [2021-11-25 07:17:23,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:17:23" (1/1) ... [2021-11-25 07:17:23,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 07:17:23,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 07:17:23,522 WARN L230 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_0c17909b-7dfb-4de9-ab64-04eabec27830/sv-benchmarks/c/array-multidimensional/copy-partial-3-u.c[414,427] [2021-11-25 07:17:23,548 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:17:23,557 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 07:17:23,571 WARN L230 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_0c17909b-7dfb-4de9-ab64-04eabec27830/sv-benchmarks/c/array-multidimensional/copy-partial-3-u.c[414,427] [2021-11-25 07:17:23,588 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:17:23,602 INFO L208 MainTranslator]: Completed translation [2021-11-25 07:17:23,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:17:23 WrapperNode [2021-11-25 07:17:23,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 07:17:23,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 07:17:23,605 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 07:17:23,605 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 07:17:23,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:17:23" (1/1) ... [2021-11-25 07:17:23,626 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:17:23" (1/1) ... [2021-11-25 07:17:23,661 INFO L137 Inliner]: procedures = 15, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 132 [2021-11-25 07:17:23,662 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 07:17:23,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 07:17:23,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 07:17:23,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 07:17:23,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:17:23" (1/1) ... [2021-11-25 07:17:23,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:17:23" (1/1) ... [2021-11-25 07:17:23,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:17:23" (1/1) ... [2021-11-25 07:17:23,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:17:23" (1/1) ... [2021-11-25 07:17:23,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:17:23" (1/1) ... [2021-11-25 07:17:23,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:17:23" (1/1) ... [2021-11-25 07:17:23,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:17:23" (1/1) ... [2021-11-25 07:17:23,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 07:17:23,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 07:17:23,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 07:17:23,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 07:17:23,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:17:23" (1/1) ... [2021-11-25 07:17:23,707 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:17:23,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17909b-7dfb-4de9-ab64-04eabec27830/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 07:17:23,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17909b-7dfb-4de9-ab64-04eabec27830/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 07:17:23,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17909b-7dfb-4de9-ab64-04eabec27830/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 07:17:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 07:17:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 07:17:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 07:17:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 07:17:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 07:17:23,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 07:17:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 07:17:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 07:17:23,846 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 07:17:23,847 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 07:17:24,019 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 07:17:24,083 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 07:17:24,084 INFO L301 CfgBuilder]: Removed 12 assume(true) statements. [2021-11-25 07:17:24,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:17:24 BoogieIcfgContainer [2021-11-25 07:17:24,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 07:17:24,088 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 07:17:24,088 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 07:17:24,101 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 07:17:24,101 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:17:24" (1/1) ... [2021-11-25 07:17:24,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 07:17:24,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:24,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 18 states and 30 transitions. [2021-11-25 07:17:24,174 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 30 transitions. [2021-11-25 07:17:24,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 07:17:24,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:24,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:24,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 07:17:24,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:24,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:24,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:24,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2021-11-25 07:17:24,543 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2021-11-25 07:17:24,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 07:17:24,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:24,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:24,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 07:17:24,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:24,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:24,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:24,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 20 states and 34 transitions. [2021-11-25 07:17:24,766 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 34 transitions. [2021-11-25 07:17:24,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 07:17:24,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:24,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:24,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:24,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 07:17:24,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:24,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:24,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:24,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 21 states and 37 transitions. [2021-11-25 07:17:24,890 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 37 transitions. [2021-11-25 07:17:24,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 07:17:24,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:24,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:24,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 07:17:24,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:25,023 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:25,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:25,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 22 states and 38 transitions. [2021-11-25 07:17:25,113 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 38 transitions. [2021-11-25 07:17:25,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 07:17:25,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:25,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:25,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:25,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 07:17:25,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:25,239 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:25,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:25,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 23 states and 39 transitions. [2021-11-25 07:17:25,305 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 39 transitions. [2021-11-25 07:17:25,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 07:17:25,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:25,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:25,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 07:17:25,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:25,419 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:25,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:25,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2021-11-25 07:17:25,497 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2021-11-25 07:17:25,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 07:17:25,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:25,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:25,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 07:17:25,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:25,648 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:25,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:25,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 25 states and 41 transitions. [2021-11-25 07:17:25,772 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 41 transitions. [2021-11-25 07:17:25,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:17:25,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:25,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:25,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:25,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-25 07:17:25,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:25,905 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:25,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:25,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2021-11-25 07:17:25,980 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2021-11-25 07:17:25,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 07:17:25,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:25,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:26,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-25 07:17:26,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:26,136 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:26,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:26,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2021-11-25 07:17:26,219 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2021-11-25 07:17:26,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 07:17:26,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:26,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:26,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 07:17:26,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:26,399 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:26,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:26,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2021-11-25 07:17:26,488 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2021-11-25 07:17:26,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 07:17:26,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:26,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:26,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 07:17:26,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:26,660 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:26,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:26,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2021-11-25 07:17:26,757 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2021-11-25 07:17:26,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 07:17:26,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:26,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:26,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:26,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-25 07:17:26,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:26,933 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:27,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:27,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2021-11-25 07:17:27,026 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2021-11-25 07:17:27,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 07:17:27,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:27,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:27,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-25 07:17:27,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:27,197 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 2 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:27,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:27,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2021-11-25 07:17:27,318 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2021-11-25 07:17:27,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 07:17:27,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:27,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:27,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-25 07:17:27,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:27,519 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 2 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:27,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:27,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2021-11-25 07:17:27,615 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2021-11-25 07:17:27,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:17:27,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:27,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:27,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-25 07:17:27,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:27,831 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:27,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:27,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2021-11-25 07:17:27,950 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2021-11-25 07:17:27,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 07:17:27,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:27,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:28,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-25 07:17:28,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:28,195 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 2 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:28,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:28,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 50 transitions. [2021-11-25 07:17:28,324 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2021-11-25 07:17:28,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 07:17:28,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:28,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:28,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-25 07:17:28,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:28,567 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 2 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:28,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:28,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2021-11-25 07:17:28,670 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2021-11-25 07:17:28,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 07:17:28,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:28,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:28,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:28,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-25 07:17:28,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:28,897 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 2 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:29,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:29,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 36 states and 52 transitions. [2021-11-25 07:17:29,032 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-25 07:17:29,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 07:17:29,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:29,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:29,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-25 07:17:29,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:29,272 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 2 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:29,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:29,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2021-11-25 07:17:29,390 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2021-11-25 07:17:29,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 07:17:29,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:29,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:29,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-25 07:17:29,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:29,644 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 2 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:29,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:29,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 54 transitions. [2021-11-25 07:17:29,779 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2021-11-25 07:17:29,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 07:17:29,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:29,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:29,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-25 07:17:29,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:30,001 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 2 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:30,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:30,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 39 states and 55 transitions. [2021-11-25 07:17:30,128 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-25 07:17:30,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 07:17:30,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:30,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:30,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-25 07:17:30,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:30,388 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 2 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:30,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:30,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 40 states and 56 transitions. [2021-11-25 07:17:30,538 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2021-11-25 07:17:30,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 07:17:30,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:30,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:30,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-25 07:17:30,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:30,826 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:30,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:30,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 41 states and 57 transitions. [2021-11-25 07:17:30,975 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2021-11-25 07:17:30,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-25 07:17:30,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:30,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:31,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-25 07:17:31,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:31,258 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 2 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:31,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:31,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 42 states and 58 transitions. [2021-11-25 07:17:31,399 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2021-11-25 07:17:31,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-25 07:17:31,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:31,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:31,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-25 07:17:31,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:31,703 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 2 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:31,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:31,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 43 states and 59 transitions. [2021-11-25 07:17:31,840 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 59 transitions. [2021-11-25 07:17:31,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-25 07:17:31,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:31,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:31,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-25 07:17:31,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:32,101 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 2 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:32,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:32,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 44 states and 60 transitions. [2021-11-25 07:17:32,236 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2021-11-25 07:17:32,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-25 07:17:32,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:32,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:32,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-25 07:17:32,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:32,515 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 2 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:32,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:32,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 45 states and 61 transitions. [2021-11-25 07:17:32,680 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2021-11-25 07:17:32,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-25 07:17:32,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:32,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:32,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-25 07:17:32,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:32,959 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 2 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:33,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:33,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 46 states and 62 transitions. [2021-11-25 07:17:33,111 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2021-11-25 07:17:33,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-25 07:17:33,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:33,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:33,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-25 07:17:33,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:33,427 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 2 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:33,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:33,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 47 states and 63 transitions. [2021-11-25 07:17:33,609 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2021-11-25 07:17:33,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 07:17:33,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:33,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:33,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-25 07:17:33,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:33,929 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 2 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:34,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:34,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 48 states and 64 transitions. [2021-11-25 07:17:34,096 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 64 transitions. [2021-11-25 07:17:34,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-25 07:17:34,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:34,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:34,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-25 07:17:34,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:34,406 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 2 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:34,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:34,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2021-11-25 07:17:34,573 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2021-11-25 07:17:34,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-25 07:17:34,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:34,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:34,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:17:34,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:34,891 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 2 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:35,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:35,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2021-11-25 07:17:35,063 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2021-11-25 07:17:35,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 07:17:35,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:35,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:35,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 07:17:35,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:35,356 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 2 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:35,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:35,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 51 states and 67 transitions. [2021-11-25 07:17:35,527 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 67 transitions. [2021-11-25 07:17:35,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 07:17:35,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:35,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:35,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 07:17:35,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:35,865 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 2 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:36,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:36,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 52 states and 68 transitions. [2021-11-25 07:17:36,043 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 68 transitions. [2021-11-25 07:17:36,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 07:17:36,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:36,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:36,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:36,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 07:17:36,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:36,377 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 2 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:36,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:36,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2021-11-25 07:17:36,538 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2021-11-25 07:17:36,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-25 07:17:36,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:36,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:36,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:17:36,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:36,881 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 2 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:37,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:37,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2021-11-25 07:17:37,056 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2021-11-25 07:17:37,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-25 07:17:37,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:37,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:37,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-25 07:17:37,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:37,403 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 2 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:37,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:37,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 55 states and 71 transitions. [2021-11-25 07:17:37,610 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2021-11-25 07:17:37,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-25 07:17:37,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:37,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:37,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 07:17:37,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:38,014 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 2 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:38,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:38,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 56 states and 72 transitions. [2021-11-25 07:17:38,207 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2021-11-25 07:17:38,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-25 07:17:38,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:38,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:38,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:38,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 07:17:38,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:38,599 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 2 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:38,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:38,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 57 states and 73 transitions. [2021-11-25 07:17:38,811 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2021-11-25 07:17:38,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-25 07:17:38,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:38,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:38,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:38,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:17:38,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:39,168 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 2 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:39,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:39,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 58 states and 74 transitions. [2021-11-25 07:17:39,335 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 74 transitions. [2021-11-25 07:17:39,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-25 07:17:39,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:39,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:39,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-25 07:17:39,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:39,767 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 2 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:39,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:39,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 59 states and 75 transitions. [2021-11-25 07:17:39,950 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2021-11-25 07:17:39,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 07:17:39,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:39,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:40,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-25 07:17:40,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:40,346 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 2 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:40,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:40,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 60 states and 76 transitions. [2021-11-25 07:17:40,560 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2021-11-25 07:17:40,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-25 07:17:40,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:40,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:40,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-25 07:17:40,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:40,961 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 2 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:41,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:41,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 61 states and 77 transitions. [2021-11-25 07:17:41,138 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 77 transitions. [2021-11-25 07:17:41,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-25 07:17:41,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:41,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:41,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-25 07:17:41,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:41,535 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 2 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:41,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:41,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 62 states and 78 transitions. [2021-11-25 07:17:41,696 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2021-11-25 07:17:41,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-25 07:17:41,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:41,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:41,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-25 07:17:41,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:42,117 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 2 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:42,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:42,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 63 states and 79 transitions. [2021-11-25 07:17:42,308 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2021-11-25 07:17:42,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-25 07:17:42,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:42,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:42,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:42,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-25 07:17:42,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:42,700 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 2 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:42,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:42,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 64 states and 80 transitions. [2021-11-25 07:17:42,869 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 80 transitions. [2021-11-25 07:17:42,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-25 07:17:42,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:42,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:42,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-25 07:17:42,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:43,288 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 2 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:43,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:43,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 65 states and 81 transitions. [2021-11-25 07:17:43,475 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 81 transitions. [2021-11-25 07:17:43,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-25 07:17:43,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:43,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:43,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-25 07:17:43,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:43,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1037 backedges. 2 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:44,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:44,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 66 states and 82 transitions. [2021-11-25 07:17:44,020 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 82 transitions. [2021-11-25 07:17:44,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-25 07:17:44,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:44,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:44,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-25 07:17:44,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:44,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 2 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:44,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:44,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 67 states and 83 transitions. [2021-11-25 07:17:44,609 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 83 transitions. [2021-11-25 07:17:44,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-25 07:17:44,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:44,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:44,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-25 07:17:44,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:45,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 2 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:45,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:45,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 68 states and 84 transitions. [2021-11-25 07:17:45,190 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 84 transitions. [2021-11-25 07:17:45,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-25 07:17:45,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:45,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:45,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-25 07:17:45,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:45,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1178 backedges. 2 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:45,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:45,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 69 states and 85 transitions. [2021-11-25 07:17:45,757 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 85 transitions. [2021-11-25 07:17:45,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-25 07:17:45,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:45,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:45,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-25 07:17:45,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:46,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 2 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:46,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:46,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 70 states and 86 transitions. [2021-11-25 07:17:46,334 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 86 transitions. [2021-11-25 07:17:46,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-25 07:17:46,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:46,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:46,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-25 07:17:46,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:46,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 2 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:46,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:46,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 71 states and 87 transitions. [2021-11-25 07:17:46,965 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 87 transitions. [2021-11-25 07:17:46,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 07:17:46,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:46,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:47,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-25 07:17:47,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:47,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1328 backedges. 2 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:47,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:47,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 72 states and 88 transitions. [2021-11-25 07:17:47,613 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 88 transitions. [2021-11-25 07:17:47,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-25 07:17:47,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:47,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:47,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:47,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-25 07:17:47,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:48,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1380 backedges. 2 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:48,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:48,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 73 states and 89 transitions. [2021-11-25 07:17:48,309 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 89 transitions. [2021-11-25 07:17:48,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 07:17:48,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:48,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:48,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-25 07:17:48,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:48,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1433 backedges. 2 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:48,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:48,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 74 states and 90 transitions. [2021-11-25 07:17:48,968 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 90 transitions. [2021-11-25 07:17:48,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-25 07:17:48,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:48,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:49,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-25 07:17:49,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:49,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1487 backedges. 2 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:49,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:49,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 75 states and 91 transitions. [2021-11-25 07:17:49,708 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 91 transitions. [2021-11-25 07:17:49,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-25 07:17:49,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:49,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:49,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 58 conjunts are in the unsatisfiable core [2021-11-25 07:17:49,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:50,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1542 backedges. 2 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:50,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:50,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 76 states and 92 transitions. [2021-11-25 07:17:50,408 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 92 transitions. [2021-11-25 07:17:50,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-25 07:17:50,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:50,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:50,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 59 conjunts are in the unsatisfiable core [2021-11-25 07:17:50,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:50,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1598 backedges. 2 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:51,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:51,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 77 states and 93 transitions. [2021-11-25 07:17:51,083 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 93 transitions. [2021-11-25 07:17:51,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-25 07:17:51,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:51,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:51,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-25 07:17:51,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:51,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 2 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:51,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:51,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 78 states and 94 transitions. [2021-11-25 07:17:51,727 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 94 transitions. [2021-11-25 07:17:51,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-25 07:17:51,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:51,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:51,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-25 07:17:51,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:52,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1713 backedges. 2 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:52,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:52,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 79 states and 95 transitions. [2021-11-25 07:17:52,455 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 95 transitions. [2021-11-25 07:17:52,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-25 07:17:52,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:52,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:52,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:52,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 62 conjunts are in the unsatisfiable core [2021-11-25 07:17:52,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:52,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1772 backedges. 2 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:53,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:53,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 80 states and 96 transitions. [2021-11-25 07:17:53,202 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 96 transitions. [2021-11-25 07:17:53,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-25 07:17:53,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:53,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:53,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-25 07:17:53,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:53,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1832 backedges. 2 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:53,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:53,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 81 states and 97 transitions. [2021-11-25 07:17:53,930 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 97 transitions. [2021-11-25 07:17:53,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-25 07:17:53,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:53,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:54,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:54,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 64 conjunts are in the unsatisfiable core [2021-11-25 07:17:54,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:54,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1893 backedges. 2 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:54,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:54,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 82 states and 98 transitions. [2021-11-25 07:17:54,869 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 98 transitions. [2021-11-25 07:17:54,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-25 07:17:54,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:54,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:55,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 65 conjunts are in the unsatisfiable core [2021-11-25 07:17:55,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:55,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1955 backedges. 2 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:55,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:55,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 83 states and 99 transitions. [2021-11-25 07:17:55,781 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 99 transitions. [2021-11-25 07:17:55,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-25 07:17:55,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:55,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:55,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-25 07:17:55,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:56,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2018 backedges. 2 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:56,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:56,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 84 states and 100 transitions. [2021-11-25 07:17:56,470 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 100 transitions. [2021-11-25 07:17:56,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-25 07:17:56,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:56,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:56,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 67 conjunts are in the unsatisfiable core [2021-11-25 07:17:56,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:57,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2082 backedges. 2 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:57,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:57,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 85 states and 101 transitions. [2021-11-25 07:17:57,260 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 101 transitions. [2021-11-25 07:17:57,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-25 07:17:57,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:57,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:57,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 700 conjuncts, 68 conjunts are in the unsatisfiable core [2021-11-25 07:17:57,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:57,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2147 backedges. 2 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:58,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:58,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 86 states and 102 transitions. [2021-11-25 07:17:58,121 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 102 transitions. [2021-11-25 07:17:58,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-25 07:17:58,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:58,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:58,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 709 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-25 07:17:58,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:58,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2213 backedges. 2 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:17:59,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:17:59,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 87 states and 103 transitions. [2021-11-25 07:17:59,059 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 103 transitions. [2021-11-25 07:17:59,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-25 07:17:59,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:17:59,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:17:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:17:59,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 718 conjuncts, 70 conjunts are in the unsatisfiable core [2021-11-25 07:17:59,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:17:59,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2280 backedges. 2 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:00,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:00,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 88 states and 104 transitions. [2021-11-25 07:18:00,013 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 104 transitions. [2021-11-25 07:18:00,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-25 07:18:00,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:00,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:00,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 727 conjuncts, 71 conjunts are in the unsatisfiable core [2021-11-25 07:18:00,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:00,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2348 backedges. 2 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:00,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:00,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 89 states and 105 transitions. [2021-11-25 07:18:00,901 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 105 transitions. [2021-11-25 07:18:00,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-25 07:18:00,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:00,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:01,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 72 conjunts are in the unsatisfiable core [2021-11-25 07:18:01,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:01,490 INFO L134 CoverageAnalysis]: Checked inductivity of 2417 backedges. 2 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:01,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:01,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 90 states and 106 transitions. [2021-11-25 07:18:01,764 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 106 transitions. [2021-11-25 07:18:01,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-25 07:18:01,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:01,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:01,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 73 conjunts are in the unsatisfiable core [2021-11-25 07:18:01,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:02,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2487 backedges. 2 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:02,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:02,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 91 states and 107 transitions. [2021-11-25 07:18:02,572 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 107 transitions. [2021-11-25 07:18:02,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-25 07:18:02,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:02,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:02,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 74 conjunts are in the unsatisfiable core [2021-11-25 07:18:02,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:03,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2558 backedges. 2 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:03,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:03,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 92 states and 108 transitions. [2021-11-25 07:18:03,408 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 108 transitions. [2021-11-25 07:18:03,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-25 07:18:03,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:03,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:03,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 75 conjunts are in the unsatisfiable core [2021-11-25 07:18:03,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:04,011 INFO L134 CoverageAnalysis]: Checked inductivity of 2630 backedges. 2 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:04,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:04,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 93 states and 109 transitions. [2021-11-25 07:18:04,282 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 109 transitions. [2021-11-25 07:18:04,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-25 07:18:04,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:04,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:04,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 772 conjuncts, 76 conjunts are in the unsatisfiable core [2021-11-25 07:18:04,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:04,901 INFO L134 CoverageAnalysis]: Checked inductivity of 2703 backedges. 2 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:05,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:05,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 94 states and 110 transitions. [2021-11-25 07:18:05,172 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 110 transitions. [2021-11-25 07:18:05,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-25 07:18:05,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:05,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:05,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:05,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 781 conjuncts, 77 conjunts are in the unsatisfiable core [2021-11-25 07:18:05,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:05,701 INFO L134 CoverageAnalysis]: Checked inductivity of 2777 backedges. 2 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:06,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:06,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 95 states and 111 transitions. [2021-11-25 07:18:06,029 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 111 transitions. [2021-11-25 07:18:06,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-25 07:18:06,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:06,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:06,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 78 conjunts are in the unsatisfiable core [2021-11-25 07:18:06,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:06,702 INFO L134 CoverageAnalysis]: Checked inductivity of 2852 backedges. 2 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:06,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:06,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 96 states and 112 transitions. [2021-11-25 07:18:06,973 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions. [2021-11-25 07:18:06,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-25 07:18:06,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:06,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:07,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-25 07:18:07,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:07,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2928 backedges. 2 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:07,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:07,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 97 states and 113 transitions. [2021-11-25 07:18:07,925 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 113 transitions. [2021-11-25 07:18:07,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-25 07:18:07,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:07,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:08,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 80 conjunts are in the unsatisfiable core [2021-11-25 07:18:08,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:08,583 INFO L134 CoverageAnalysis]: Checked inductivity of 3005 backedges. 2 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:08,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:08,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 98 states and 114 transitions. [2021-11-25 07:18:08,914 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 114 transitions. [2021-11-25 07:18:08,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-25 07:18:08,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:08,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:09,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 81 conjunts are in the unsatisfiable core [2021-11-25 07:18:09,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:09,486 INFO L134 CoverageAnalysis]: Checked inductivity of 3083 backedges. 2 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:09,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:09,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 99 states and 115 transitions. [2021-11-25 07:18:09,775 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 115 transitions. [2021-11-25 07:18:09,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-25 07:18:09,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:09,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:09,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:09,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 82 conjunts are in the unsatisfiable core [2021-11-25 07:18:09,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:10,356 INFO L134 CoverageAnalysis]: Checked inductivity of 3162 backedges. 2 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:10,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:10,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 100 states and 116 transitions. [2021-11-25 07:18:10,651 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 116 transitions. [2021-11-25 07:18:10,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-25 07:18:10,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:10,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:10,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 835 conjuncts, 83 conjunts are in the unsatisfiable core [2021-11-25 07:18:10,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:11,277 INFO L134 CoverageAnalysis]: Checked inductivity of 3242 backedges. 2 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:11,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:11,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 101 states and 117 transitions. [2021-11-25 07:18:11,565 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2021-11-25 07:18:11,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-25 07:18:11,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:11,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:11,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 84 conjunts are in the unsatisfiable core [2021-11-25 07:18:11,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:12,162 INFO L134 CoverageAnalysis]: Checked inductivity of 3323 backedges. 2 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:12,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:12,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 102 states and 118 transitions. [2021-11-25 07:18:12,501 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 118 transitions. [2021-11-25 07:18:12,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-25 07:18:12,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:12,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:12,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:12,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 85 conjunts are in the unsatisfiable core [2021-11-25 07:18:12,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:13,291 INFO L134 CoverageAnalysis]: Checked inductivity of 3405 backedges. 2 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:13,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:13,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 103 states and 119 transitions. [2021-11-25 07:18:13,699 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 119 transitions. [2021-11-25 07:18:13,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-25 07:18:13,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:13,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:13,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 86 conjunts are in the unsatisfiable core [2021-11-25 07:18:13,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:14,313 INFO L134 CoverageAnalysis]: Checked inductivity of 3488 backedges. 2 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:14,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:14,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 104 states and 120 transitions. [2021-11-25 07:18:14,664 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 120 transitions. [2021-11-25 07:18:14,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-25 07:18:14,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:14,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:14,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:14,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 871 conjuncts, 87 conjunts are in the unsatisfiable core [2021-11-25 07:18:14,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:15,313 INFO L134 CoverageAnalysis]: Checked inductivity of 3572 backedges. 2 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:15,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:15,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 105 states and 121 transitions. [2021-11-25 07:18:15,628 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2021-11-25 07:18:15,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-25 07:18:15,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:15,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:15,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 880 conjuncts, 88 conjunts are in the unsatisfiable core [2021-11-25 07:18:15,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:16,316 INFO L134 CoverageAnalysis]: Checked inductivity of 3657 backedges. 2 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:16,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:16,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 106 states and 122 transitions. [2021-11-25 07:18:16,659 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2021-11-25 07:18:16,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-25 07:18:16,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:16,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:16,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:16,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 889 conjuncts, 89 conjunts are in the unsatisfiable core [2021-11-25 07:18:16,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:17,315 INFO L134 CoverageAnalysis]: Checked inductivity of 3743 backedges. 2 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:17,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:17,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 107 states and 123 transitions. [2021-11-25 07:18:17,635 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 123 transitions. [2021-11-25 07:18:17,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-25 07:18:17,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:17,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:17,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 90 conjunts are in the unsatisfiable core [2021-11-25 07:18:17,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:18,355 INFO L134 CoverageAnalysis]: Checked inductivity of 3830 backedges. 2 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:18,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:18,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 108 states and 124 transitions. [2021-11-25 07:18:18,696 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 124 transitions. [2021-11-25 07:18:18,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-25 07:18:18,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:18,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:18,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 907 conjuncts, 91 conjunts are in the unsatisfiable core [2021-11-25 07:18:18,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:19,426 INFO L134 CoverageAnalysis]: Checked inductivity of 3918 backedges. 2 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:19,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:19,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 109 states and 125 transitions. [2021-11-25 07:18:19,754 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2021-11-25 07:18:19,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-25 07:18:19,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:19,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:19,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 916 conjuncts, 92 conjunts are in the unsatisfiable core [2021-11-25 07:18:19,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:20,579 INFO L134 CoverageAnalysis]: Checked inductivity of 4007 backedges. 2 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:20,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:20,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 110 states and 126 transitions. [2021-11-25 07:18:20,915 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 126 transitions. [2021-11-25 07:18:20,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-25 07:18:20,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:20,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:21,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 925 conjuncts, 93 conjunts are in the unsatisfiable core [2021-11-25 07:18:21,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:21,752 INFO L134 CoverageAnalysis]: Checked inductivity of 4097 backedges. 2 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:22,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:22,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 111 states and 127 transitions. [2021-11-25 07:18:22,086 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 127 transitions. [2021-11-25 07:18:22,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-25 07:18:22,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:22,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:22,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 94 conjunts are in the unsatisfiable core [2021-11-25 07:18:22,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:22,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4188 backedges. 2 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:23,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:23,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 112 states and 128 transitions. [2021-11-25 07:18:23,085 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 128 transitions. [2021-11-25 07:18:23,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-25 07:18:23,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:23,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:23,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 943 conjuncts, 95 conjunts are in the unsatisfiable core [2021-11-25 07:18:23,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:23,731 INFO L134 CoverageAnalysis]: Checked inductivity of 4280 backedges. 2 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:24,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:24,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 113 states and 129 transitions. [2021-11-25 07:18:24,103 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 129 transitions. [2021-11-25 07:18:24,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-25 07:18:24,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:24,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:24,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:24,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 952 conjuncts, 96 conjunts are in the unsatisfiable core [2021-11-25 07:18:24,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:24,750 INFO L134 CoverageAnalysis]: Checked inductivity of 4373 backedges. 2 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:25,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:25,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 114 states and 130 transitions. [2021-11-25 07:18:25,083 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 130 transitions. [2021-11-25 07:18:25,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-25 07:18:25,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:25,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:25,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 961 conjuncts, 97 conjunts are in the unsatisfiable core [2021-11-25 07:18:25,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:25,829 INFO L134 CoverageAnalysis]: Checked inductivity of 4467 backedges. 2 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:26,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:26,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 115 states and 131 transitions. [2021-11-25 07:18:26,198 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 131 transitions. [2021-11-25 07:18:26,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-25 07:18:26,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:26,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:26,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:26,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 970 conjuncts, 98 conjunts are in the unsatisfiable core [2021-11-25 07:18:26,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:26,952 INFO L134 CoverageAnalysis]: Checked inductivity of 4562 backedges. 2 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:27,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:27,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 116 states and 132 transitions. [2021-11-25 07:18:27,302 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 132 transitions. [2021-11-25 07:18:27,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-25 07:18:27,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:27,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:27,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 99 conjunts are in the unsatisfiable core [2021-11-25 07:18:27,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:28,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4658 backedges. 2 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:28,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:28,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 117 states and 133 transitions. [2021-11-25 07:18:28,408 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 133 transitions. [2021-11-25 07:18:28,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-25 07:18:28,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:28,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:28,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:28,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 988 conjuncts, 100 conjunts are in the unsatisfiable core [2021-11-25 07:18:28,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:29,176 INFO L134 CoverageAnalysis]: Checked inductivity of 4755 backedges. 2 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:29,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:29,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 118 states and 134 transitions. [2021-11-25 07:18:29,613 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 134 transitions. [2021-11-25 07:18:29,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-25 07:18:29,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:29,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:29,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 997 conjuncts, 101 conjunts are in the unsatisfiable core [2021-11-25 07:18:29,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:30,357 INFO L134 CoverageAnalysis]: Checked inductivity of 4853 backedges. 2 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:30,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:30,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 119 states and 135 transitions. [2021-11-25 07:18:30,705 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 135 transitions. [2021-11-25 07:18:30,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-25 07:18:30,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:30,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:30,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 1006 conjuncts, 102 conjunts are in the unsatisfiable core [2021-11-25 07:18:30,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:31,492 INFO L134 CoverageAnalysis]: Checked inductivity of 4952 backedges. 2 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:31,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:31,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 120 states and 136 transitions. [2021-11-25 07:18:31,947 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 136 transitions. [2021-11-25 07:18:31,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-25 07:18:31,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:31,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:32,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 1015 conjuncts, 103 conjunts are in the unsatisfiable core [2021-11-25 07:18:32,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:32,780 INFO L134 CoverageAnalysis]: Checked inductivity of 5052 backedges. 2 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:33,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:33,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 121 states and 137 transitions. [2021-11-25 07:18:33,149 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 137 transitions. [2021-11-25 07:18:33,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-25 07:18:33,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:33,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:33,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:33,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 1024 conjuncts, 104 conjunts are in the unsatisfiable core [2021-11-25 07:18:33,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:33,918 INFO L134 CoverageAnalysis]: Checked inductivity of 5153 backedges. 2 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:34,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:34,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 122 states and 138 transitions. [2021-11-25 07:18:34,293 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 138 transitions. [2021-11-25 07:18:34,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-25 07:18:34,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:34,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:34,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 105 conjunts are in the unsatisfiable core [2021-11-25 07:18:34,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:35,114 INFO L134 CoverageAnalysis]: Checked inductivity of 5255 backedges. 2 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:35,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:35,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 123 states and 139 transitions. [2021-11-25 07:18:35,504 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 139 transitions. [2021-11-25 07:18:35,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-25 07:18:35,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:35,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:35,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 1042 conjuncts, 106 conjunts are in the unsatisfiable core [2021-11-25 07:18:35,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:36,371 INFO L134 CoverageAnalysis]: Checked inductivity of 5358 backedges. 2 proven. 5356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:36,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:36,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 124 states and 140 transitions. [2021-11-25 07:18:36,763 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 140 transitions. [2021-11-25 07:18:36,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-25 07:18:36,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:36,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:36,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 1051 conjuncts, 107 conjunts are in the unsatisfiable core [2021-11-25 07:18:36,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:37,546 INFO L134 CoverageAnalysis]: Checked inductivity of 5462 backedges. 2 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:37,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:37,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 125 states and 141 transitions. [2021-11-25 07:18:37,918 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 141 transitions. [2021-11-25 07:18:37,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-25 07:18:37,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:37,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:38,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:38,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 1060 conjuncts, 108 conjunts are in the unsatisfiable core [2021-11-25 07:18:38,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:38,740 INFO L134 CoverageAnalysis]: Checked inductivity of 5567 backedges. 2 proven. 5565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:39,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:39,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 126 states and 142 transitions. [2021-11-25 07:18:39,131 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 142 transitions. [2021-11-25 07:18:39,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-25 07:18:39,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:39,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:39,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 1069 conjuncts, 109 conjunts are in the unsatisfiable core [2021-11-25 07:18:39,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:39,924 INFO L134 CoverageAnalysis]: Checked inductivity of 5673 backedges. 2 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:40,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:40,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 127 states and 143 transitions. [2021-11-25 07:18:40,298 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 143 transitions. [2021-11-25 07:18:40,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-25 07:18:40,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:40,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:40,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 1078 conjuncts, 110 conjunts are in the unsatisfiable core [2021-11-25 07:18:40,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:41,080 INFO L134 CoverageAnalysis]: Checked inductivity of 5780 backedges. 2 proven. 5778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:41,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:41,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 128 states and 144 transitions. [2021-11-25 07:18:41,472 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 144 transitions. [2021-11-25 07:18:41,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-25 07:18:41,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:41,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:41,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 1087 conjuncts, 111 conjunts are in the unsatisfiable core [2021-11-25 07:18:41,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:42,385 INFO L134 CoverageAnalysis]: Checked inductivity of 5888 backedges. 2 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:42,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:42,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 129 states and 145 transitions. [2021-11-25 07:18:42,786 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 145 transitions. [2021-11-25 07:18:42,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-25 07:18:42,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:42,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:42,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:42,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 1096 conjuncts, 112 conjunts are in the unsatisfiable core [2021-11-25 07:18:42,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:43,569 INFO L134 CoverageAnalysis]: Checked inductivity of 5997 backedges. 2 proven. 5995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:43,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:43,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 130 states and 146 transitions. [2021-11-25 07:18:43,985 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 146 transitions. [2021-11-25 07:18:43,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-25 07:18:43,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:43,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:44,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 1105 conjuncts, 113 conjunts are in the unsatisfiable core [2021-11-25 07:18:44,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:44,831 INFO L134 CoverageAnalysis]: Checked inductivity of 6107 backedges. 2 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:45,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:45,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 131 states and 147 transitions. [2021-11-25 07:18:45,230 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 147 transitions. [2021-11-25 07:18:45,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-25 07:18:45,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:45,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:45,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:45,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 1114 conjuncts, 114 conjunts are in the unsatisfiable core [2021-11-25 07:18:45,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:46,122 INFO L134 CoverageAnalysis]: Checked inductivity of 6218 backedges. 2 proven. 6216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:46,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:46,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 132 states and 148 transitions. [2021-11-25 07:18:46,599 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 148 transitions. [2021-11-25 07:18:46,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-25 07:18:46,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:46,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:46,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 1123 conjuncts, 115 conjunts are in the unsatisfiable core [2021-11-25 07:18:46,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:47,358 INFO L134 CoverageAnalysis]: Checked inductivity of 6330 backedges. 2 proven. 6328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:47,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:47,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 133 states and 149 transitions. [2021-11-25 07:18:47,778 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 149 transitions. [2021-11-25 07:18:47,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-25 07:18:47,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:47,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:47,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 1132 conjuncts, 116 conjunts are in the unsatisfiable core [2021-11-25 07:18:47,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:48,647 INFO L134 CoverageAnalysis]: Checked inductivity of 6443 backedges. 2 proven. 6441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:49,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:49,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 134 states and 150 transitions. [2021-11-25 07:18:49,068 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 150 transitions. [2021-11-25 07:18:49,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-25 07:18:49,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:49,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:49,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 1141 conjuncts, 117 conjunts are in the unsatisfiable core [2021-11-25 07:18:49,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:49,933 INFO L134 CoverageAnalysis]: Checked inductivity of 6557 backedges. 2 proven. 6555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:50,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:50,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 135 states and 151 transitions. [2021-11-25 07:18:50,442 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 151 transitions. [2021-11-25 07:18:50,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-25 07:18:50,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:50,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:50,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 1150 conjuncts, 118 conjunts are in the unsatisfiable core [2021-11-25 07:18:50,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:51,263 INFO L134 CoverageAnalysis]: Checked inductivity of 6672 backedges. 2 proven. 6670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:51,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:51,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 136 states and 152 transitions. [2021-11-25 07:18:51,698 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 152 transitions. [2021-11-25 07:18:51,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-25 07:18:51,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:51,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:51,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 1159 conjuncts, 119 conjunts are in the unsatisfiable core [2021-11-25 07:18:51,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:52,555 INFO L134 CoverageAnalysis]: Checked inductivity of 6788 backedges. 2 proven. 6786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:52,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:52,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 137 states and 153 transitions. [2021-11-25 07:18:52,983 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 153 transitions. [2021-11-25 07:18:52,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-25 07:18:52,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:52,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:53,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:53,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 1168 conjuncts, 120 conjunts are in the unsatisfiable core [2021-11-25 07:18:53,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:53,956 INFO L134 CoverageAnalysis]: Checked inductivity of 6905 backedges. 2 proven. 6903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:54,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:54,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 138 states and 154 transitions. [2021-11-25 07:18:54,429 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 154 transitions. [2021-11-25 07:18:54,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-25 07:18:54,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:54,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:54,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 1177 conjuncts, 121 conjunts are in the unsatisfiable core [2021-11-25 07:18:54,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:55,273 INFO L134 CoverageAnalysis]: Checked inductivity of 7023 backedges. 2 proven. 7021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:55,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:55,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 139 states and 155 transitions. [2021-11-25 07:18:55,718 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 155 transitions. [2021-11-25 07:18:55,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-25 07:18:55,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:55,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:55,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 1186 conjuncts, 122 conjunts are in the unsatisfiable core [2021-11-25 07:18:55,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:56,591 INFO L134 CoverageAnalysis]: Checked inductivity of 7142 backedges. 2 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:57,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:57,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 140 states and 156 transitions. [2021-11-25 07:18:57,043 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 156 transitions. [2021-11-25 07:18:57,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-25 07:18:57,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:57,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:57,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:57,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 1195 conjuncts, 123 conjunts are in the unsatisfiable core [2021-11-25 07:18:57,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:58,055 INFO L134 CoverageAnalysis]: Checked inductivity of 7262 backedges. 2 proven. 7260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:58,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:58,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 141 states and 157 transitions. [2021-11-25 07:18:58,504 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 157 transitions. [2021-11-25 07:18:58,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-25 07:18:58,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:58,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:18:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:18:58,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 1204 conjuncts, 124 conjunts are in the unsatisfiable core [2021-11-25 07:18:58,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:18:59,464 INFO L134 CoverageAnalysis]: Checked inductivity of 7383 backedges. 2 proven. 7381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:18:59,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:18:59,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 142 states and 158 transitions. [2021-11-25 07:18:59,906 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 158 transitions. [2021-11-25 07:18:59,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-25 07:18:59,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:18:59,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:00,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 1213 conjuncts, 125 conjunts are in the unsatisfiable core [2021-11-25 07:19:00,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:00,834 INFO L134 CoverageAnalysis]: Checked inductivity of 7505 backedges. 2 proven. 7503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:01,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:01,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 143 states and 159 transitions. [2021-11-25 07:19:01,301 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 159 transitions. [2021-11-25 07:19:01,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-25 07:19:01,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:01,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:01,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 1222 conjuncts, 126 conjunts are in the unsatisfiable core [2021-11-25 07:19:01,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:02,270 INFO L134 CoverageAnalysis]: Checked inductivity of 7628 backedges. 2 proven. 7626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:02,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:02,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 144 states and 160 transitions. [2021-11-25 07:19:02,812 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 160 transitions. [2021-11-25 07:19:02,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-25 07:19:02,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:02,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:03,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:03,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 1231 conjuncts, 127 conjunts are in the unsatisfiable core [2021-11-25 07:19:03,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:03,711 INFO L134 CoverageAnalysis]: Checked inductivity of 7752 backedges. 2 proven. 7750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:04,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:04,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 145 states and 161 transitions. [2021-11-25 07:19:04,181 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 161 transitions. [2021-11-25 07:19:04,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-25 07:19:04,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:04,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:04,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 1240 conjuncts, 128 conjunts are in the unsatisfiable core [2021-11-25 07:19:04,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:05,114 INFO L134 CoverageAnalysis]: Checked inductivity of 7877 backedges. 2 proven. 7875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:05,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:05,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 146 states and 162 transitions. [2021-11-25 07:19:05,582 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 162 transitions. [2021-11-25 07:19:05,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-25 07:19:05,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:05,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:05,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 1249 conjuncts, 129 conjunts are in the unsatisfiable core [2021-11-25 07:19:05,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:06,575 INFO L134 CoverageAnalysis]: Checked inductivity of 8003 backedges. 2 proven. 8001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:07,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:07,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 147 states and 163 transitions. [2021-11-25 07:19:07,193 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 163 transitions. [2021-11-25 07:19:07,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-25 07:19:07,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:07,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:07,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 1258 conjuncts, 130 conjunts are in the unsatisfiable core [2021-11-25 07:19:07,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:08,138 INFO L134 CoverageAnalysis]: Checked inductivity of 8130 backedges. 2 proven. 8128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:08,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:08,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 148 states and 164 transitions. [2021-11-25 07:19:08,615 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 164 transitions. [2021-11-25 07:19:08,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-25 07:19:08,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:08,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:08,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:08,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 1267 conjuncts, 131 conjunts are in the unsatisfiable core [2021-11-25 07:19:08,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:09,603 INFO L134 CoverageAnalysis]: Checked inductivity of 8258 backedges. 2 proven. 8256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:10,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:10,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 149 states and 165 transitions. [2021-11-25 07:19:10,099 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 165 transitions. [2021-11-25 07:19:10,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-25 07:19:10,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:10,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:10,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 1276 conjuncts, 132 conjunts are in the unsatisfiable core [2021-11-25 07:19:10,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:11,116 INFO L134 CoverageAnalysis]: Checked inductivity of 8387 backedges. 2 proven. 8385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:11,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:11,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 150 states and 166 transitions. [2021-11-25 07:19:11,586 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 166 transitions. [2021-11-25 07:19:11,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-25 07:19:11,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:11,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:11,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 1285 conjuncts, 133 conjunts are in the unsatisfiable core [2021-11-25 07:19:11,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:12,630 INFO L134 CoverageAnalysis]: Checked inductivity of 8517 backedges. 2 proven. 8515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:13,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:13,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 151 states and 167 transitions. [2021-11-25 07:19:13,123 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 167 transitions. [2021-11-25 07:19:13,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-25 07:19:13,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:13,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:13,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 1294 conjuncts, 134 conjunts are in the unsatisfiable core [2021-11-25 07:19:13,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:14,134 INFO L134 CoverageAnalysis]: Checked inductivity of 8648 backedges. 2 proven. 8646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:14,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:14,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 152 states and 168 transitions. [2021-11-25 07:19:14,606 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 168 transitions. [2021-11-25 07:19:14,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-25 07:19:14,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:14,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:14,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 1303 conjuncts, 135 conjunts are in the unsatisfiable core [2021-11-25 07:19:14,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:15,573 INFO L134 CoverageAnalysis]: Checked inductivity of 8780 backedges. 2 proven. 8778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:16,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:16,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 153 states and 169 transitions. [2021-11-25 07:19:16,079 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 169 transitions. [2021-11-25 07:19:16,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-25 07:19:16,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:16,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:16,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 1312 conjuncts, 136 conjunts are in the unsatisfiable core [2021-11-25 07:19:16,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:17,250 INFO L134 CoverageAnalysis]: Checked inductivity of 8913 backedges. 2 proven. 8911 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:17,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:17,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 154 states and 170 transitions. [2021-11-25 07:19:17,780 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 170 transitions. [2021-11-25 07:19:17,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-25 07:19:17,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:17,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:18,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 1321 conjuncts, 137 conjunts are in the unsatisfiable core [2021-11-25 07:19:18,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:18,858 INFO L134 CoverageAnalysis]: Checked inductivity of 9047 backedges. 2 proven. 9045 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:19,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:19,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 155 states and 171 transitions. [2021-11-25 07:19:19,373 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 171 transitions. [2021-11-25 07:19:19,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-25 07:19:19,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:19,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:19,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 1330 conjuncts, 138 conjunts are in the unsatisfiable core [2021-11-25 07:19:19,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:20,455 INFO L134 CoverageAnalysis]: Checked inductivity of 9182 backedges. 2 proven. 9180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:20,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:20,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 156 states and 172 transitions. [2021-11-25 07:19:20,950 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 172 transitions. [2021-11-25 07:19:20,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-25 07:19:20,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:20,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:21,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 1339 conjuncts, 139 conjunts are in the unsatisfiable core [2021-11-25 07:19:21,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:22,065 INFO L134 CoverageAnalysis]: Checked inductivity of 9318 backedges. 2 proven. 9316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:22,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:22,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 157 states and 173 transitions. [2021-11-25 07:19:22,563 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 173 transitions. [2021-11-25 07:19:22,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-25 07:19:22,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:22,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:22,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 1348 conjuncts, 140 conjunts are in the unsatisfiable core [2021-11-25 07:19:22,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:23,605 INFO L134 CoverageAnalysis]: Checked inductivity of 9455 backedges. 2 proven. 9453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:24,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:24,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 158 states and 174 transitions. [2021-11-25 07:19:24,125 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 174 transitions. [2021-11-25 07:19:24,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-25 07:19:24,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:24,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:24,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:24,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 1357 conjuncts, 141 conjunts are in the unsatisfiable core [2021-11-25 07:19:24,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:25,165 INFO L134 CoverageAnalysis]: Checked inductivity of 9593 backedges. 2 proven. 9591 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:25,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:25,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 159 states and 175 transitions. [2021-11-25 07:19:25,675 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 175 transitions. [2021-11-25 07:19:25,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-25 07:19:25,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:25,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:25,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:25,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 1366 conjuncts, 142 conjunts are in the unsatisfiable core [2021-11-25 07:19:25,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:26,784 INFO L134 CoverageAnalysis]: Checked inductivity of 9732 backedges. 2 proven. 9730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:27,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:27,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 160 states and 176 transitions. [2021-11-25 07:19:27,287 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 176 transitions. [2021-11-25 07:19:27,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-11-25 07:19:27,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:27,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:27,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 1375 conjuncts, 143 conjunts are in the unsatisfiable core [2021-11-25 07:19:27,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:28,457 INFO L134 CoverageAnalysis]: Checked inductivity of 9872 backedges. 2 proven. 9870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:29,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:29,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 161 states and 177 transitions. [2021-11-25 07:19:29,016 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 177 transitions. [2021-11-25 07:19:29,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-25 07:19:29,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:29,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:29,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 1384 conjuncts, 144 conjunts are in the unsatisfiable core [2021-11-25 07:19:29,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:30,121 INFO L134 CoverageAnalysis]: Checked inductivity of 10013 backedges. 2 proven. 10011 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:30,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:30,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 162 states and 178 transitions. [2021-11-25 07:19:30,653 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 178 transitions. [2021-11-25 07:19:30,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-25 07:19:30,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:30,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:30,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:30,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 1393 conjuncts, 145 conjunts are in the unsatisfiable core [2021-11-25 07:19:30,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:31,747 INFO L134 CoverageAnalysis]: Checked inductivity of 10155 backedges. 2 proven. 10153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:32,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:32,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 163 states and 179 transitions. [2021-11-25 07:19:32,289 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 179 transitions. [2021-11-25 07:19:32,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-25 07:19:32,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:32,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:32,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:32,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 1402 conjuncts, 146 conjunts are in the unsatisfiable core [2021-11-25 07:19:32,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:33,444 INFO L134 CoverageAnalysis]: Checked inductivity of 10298 backedges. 2 proven. 10296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:34,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:34,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 164 states and 180 transitions. [2021-11-25 07:19:34,032 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 180 transitions. [2021-11-25 07:19:34,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-25 07:19:34,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:34,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:34,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 1411 conjuncts, 147 conjunts are in the unsatisfiable core [2021-11-25 07:19:34,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:35,190 INFO L134 CoverageAnalysis]: Checked inductivity of 10442 backedges. 2 proven. 10440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:35,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:35,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 165 states and 181 transitions. [2021-11-25 07:19:35,752 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 181 transitions. [2021-11-25 07:19:35,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-11-25 07:19:35,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:35,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:36,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:36,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 1420 conjuncts, 148 conjunts are in the unsatisfiable core [2021-11-25 07:19:36,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:36,988 INFO L134 CoverageAnalysis]: Checked inductivity of 10587 backedges. 2 proven. 10585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:37,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:37,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 166 states and 182 transitions. [2021-11-25 07:19:37,606 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 182 transitions. [2021-11-25 07:19:37,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-25 07:19:37,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:37,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:37,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:37,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 1429 conjuncts, 149 conjunts are in the unsatisfiable core [2021-11-25 07:19:37,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:39,002 INFO L134 CoverageAnalysis]: Checked inductivity of 10733 backedges. 2 proven. 10731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:39,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:39,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 167 states and 183 transitions. [2021-11-25 07:19:39,611 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 183 transitions. [2021-11-25 07:19:39,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-25 07:19:39,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:39,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:39,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 1438 conjuncts, 150 conjunts are in the unsatisfiable core [2021-11-25 07:19:39,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:40,793 INFO L134 CoverageAnalysis]: Checked inductivity of 10880 backedges. 2 proven. 10878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:41,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:41,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 168 states and 184 transitions. [2021-11-25 07:19:41,376 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 184 transitions. [2021-11-25 07:19:41,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-25 07:19:41,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:41,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:41,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 1447 conjuncts, 151 conjunts are in the unsatisfiable core [2021-11-25 07:19:41,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:42,648 INFO L134 CoverageAnalysis]: Checked inductivity of 11028 backedges. 2 proven. 11026 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:43,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:43,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 169 states and 185 transitions. [2021-11-25 07:19:43,327 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 185 transitions. [2021-11-25 07:19:43,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-25 07:19:43,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:43,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:43,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 1456 conjuncts, 152 conjunts are in the unsatisfiable core [2021-11-25 07:19:43,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:44,735 INFO L134 CoverageAnalysis]: Checked inductivity of 11177 backedges. 2 proven. 11175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:45,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:45,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 170 states and 186 transitions. [2021-11-25 07:19:45,461 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 186 transitions. [2021-11-25 07:19:45,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-25 07:19:45,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:45,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:45,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 1465 conjuncts, 153 conjunts are in the unsatisfiable core [2021-11-25 07:19:45,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:47,025 INFO L134 CoverageAnalysis]: Checked inductivity of 11327 backedges. 2 proven. 11325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:47,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:47,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 171 states and 187 transitions. [2021-11-25 07:19:47,705 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 187 transitions. [2021-11-25 07:19:47,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-25 07:19:47,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:47,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:48,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 1474 conjuncts, 154 conjunts are in the unsatisfiable core [2021-11-25 07:19:48,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:49,040 INFO L134 CoverageAnalysis]: Checked inductivity of 11478 backedges. 2 proven. 11476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:49,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:49,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 172 states and 188 transitions. [2021-11-25 07:19:49,742 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 188 transitions. [2021-11-25 07:19:49,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-25 07:19:49,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:49,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:50,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 1483 conjuncts, 155 conjunts are in the unsatisfiable core [2021-11-25 07:19:50,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:50,993 INFO L134 CoverageAnalysis]: Checked inductivity of 11630 backedges. 2 proven. 11628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:51,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:51,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 173 states and 189 transitions. [2021-11-25 07:19:51,687 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 189 transitions. [2021-11-25 07:19:51,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-25 07:19:51,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:51,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:52,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 1492 conjuncts, 156 conjunts are in the unsatisfiable core [2021-11-25 07:19:52,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:53,169 INFO L134 CoverageAnalysis]: Checked inductivity of 11783 backedges. 2 proven. 11781 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:53,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:53,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 174 states and 190 transitions. [2021-11-25 07:19:53,872 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 190 transitions. [2021-11-25 07:19:53,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-25 07:19:53,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:53,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:54,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:54,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 1501 conjuncts, 157 conjunts are in the unsatisfiable core [2021-11-25 07:19:54,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:55,415 INFO L134 CoverageAnalysis]: Checked inductivity of 11937 backedges. 2 proven. 11935 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:55,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:55,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 175 states and 191 transitions. [2021-11-25 07:19:55,987 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 191 transitions. [2021-11-25 07:19:55,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-25 07:19:55,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:55,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:56,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 1510 conjuncts, 158 conjunts are in the unsatisfiable core [2021-11-25 07:19:56,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:57,146 INFO L134 CoverageAnalysis]: Checked inductivity of 12092 backedges. 2 proven. 12090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:57,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:57,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 176 states and 192 transitions. [2021-11-25 07:19:57,726 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 192 transitions. [2021-11-25 07:19:57,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-25 07:19:57,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:57,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:58,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 1519 conjuncts, 159 conjunts are in the unsatisfiable core [2021-11-25 07:19:58,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:19:58,933 INFO L134 CoverageAnalysis]: Checked inductivity of 12248 backedges. 2 proven. 12246 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:19:59,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:19:59,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 177 states and 193 transitions. [2021-11-25 07:19:59,517 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 193 transitions. [2021-11-25 07:19:59,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-25 07:19:59,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:19:59,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:19:59,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:19:59,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 1528 conjuncts, 160 conjunts are in the unsatisfiable core [2021-11-25 07:19:59,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:20:00,764 INFO L134 CoverageAnalysis]: Checked inductivity of 12405 backedges. 2 proven. 12403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:20:01,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:20:01,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 178 states and 194 transitions. [2021-11-25 07:20:01,510 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 194 transitions. [2021-11-25 07:20:01,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-25 07:20:01,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:20:01,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:20:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:20:01,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 1537 conjuncts, 161 conjunts are in the unsatisfiable core [2021-11-25 07:20:01,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:20:02,749 INFO L134 CoverageAnalysis]: Checked inductivity of 12563 backedges. 2 proven. 12561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:20:03,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:20:03,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 179 states and 195 transitions. [2021-11-25 07:20:03,409 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 195 transitions. [2021-11-25 07:20:03,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-25 07:20:03,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:20:03,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:20:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:20:03,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 1546 conjuncts, 162 conjunts are in the unsatisfiable core [2021-11-25 07:20:03,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:20:04,752 INFO L134 CoverageAnalysis]: Checked inductivity of 12722 backedges. 2 proven. 12720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:20:05,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:20:05,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 180 states and 196 transitions. [2021-11-25 07:20:05,381 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 196 transitions. [2021-11-25 07:20:05,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-25 07:20:05,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:20:05,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:20:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:20:05,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 1555 conjuncts, 163 conjunts are in the unsatisfiable core [2021-11-25 07:20:05,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:20:06,731 INFO L134 CoverageAnalysis]: Checked inductivity of 12882 backedges. 2 proven. 12880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:20:07,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:20:07,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 181 states and 197 transitions. [2021-11-25 07:20:07,364 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 197 transitions. [2021-11-25 07:20:07,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-25 07:20:07,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:20:07,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:20:07,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:20:07,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 1564 conjuncts, 164 conjunts are in the unsatisfiable core [2021-11-25 07:20:07,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:20:08,796 INFO L134 CoverageAnalysis]: Checked inductivity of 13043 backedges. 2 proven. 13041 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:20:09,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:20:09,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 182 states and 198 transitions. [2021-11-25 07:20:09,466 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 198 transitions. [2021-11-25 07:20:09,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-25 07:20:09,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:20:09,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:20:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:20:09,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 1573 conjuncts, 165 conjunts are in the unsatisfiable core [2021-11-25 07:20:09,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:20:10,821 INFO L134 CoverageAnalysis]: Checked inductivity of 13205 backedges. 2 proven. 13203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:20:11,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:20:11,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 183 states and 199 transitions. [2021-11-25 07:20:11,470 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 199 transitions. [2021-11-25 07:20:11,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-25 07:20:11,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:20:11,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:20:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:20:11,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 1582 conjuncts, 166 conjunts are in the unsatisfiable core [2021-11-25 07:20:11,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:20:12,816 INFO L134 CoverageAnalysis]: Checked inductivity of 13368 backedges. 2 proven. 13366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:20:13,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:20:13,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 184 states and 200 transitions. [2021-11-25 07:20:13,434 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 200 transitions. [2021-11-25 07:20:13,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-25 07:20:13,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:20:13,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:20:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:20:13,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 1591 conjuncts, 167 conjunts are in the unsatisfiable core [2021-11-25 07:20:13,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:20:14,915 INFO L134 CoverageAnalysis]: Checked inductivity of 13532 backedges. 2 proven. 13530 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:20:15,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:20:15,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 185 states and 201 transitions. [2021-11-25 07:20:15,582 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 201 transitions. [2021-11-25 07:20:15,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-11-25 07:20:15,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:20:15,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:20:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:20:16,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 1600 conjuncts, 168 conjunts are in the unsatisfiable core [2021-11-25 07:20:16,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:20:16,987 INFO L134 CoverageAnalysis]: Checked inductivity of 13697 backedges. 2 proven. 13695 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:20:17,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:20:17,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 186 states and 202 transitions. [2021-11-25 07:20:17,615 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 202 transitions. [2021-11-25 07:20:17,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-25 07:20:17,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:20:17,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:20:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:20:17,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 1609 conjuncts, 169 conjunts are in the unsatisfiable core [2021-11-25 07:20:17,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:20:18,954 INFO L134 CoverageAnalysis]: Checked inductivity of 13863 backedges. 2 proven. 13861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:20:19,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:20:19,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 187 states and 203 transitions. [2021-11-25 07:20:19,614 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 203 transitions. [2021-11-25 07:20:19,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-25 07:20:19,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:20:19,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:20:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:20:19,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 1618 conjuncts, 170 conjunts are in the unsatisfiable core [2021-11-25 07:20:19,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:20:21,035 INFO L134 CoverageAnalysis]: Checked inductivity of 14030 backedges. 2 proven. 14028 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:20:21,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:20:21,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 188 states and 204 transitions. [2021-11-25 07:20:21,726 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 204 transitions. [2021-11-25 07:20:21,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-11-25 07:20:21,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:20:21,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:20:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:20:22,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 1627 conjuncts, 171 conjunts are in the unsatisfiable core [2021-11-25 07:20:22,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:20:23,203 INFO L134 CoverageAnalysis]: Checked inductivity of 14198 backedges. 2 proven. 14196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:20:23,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:20:23,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 189 states and 205 transitions. [2021-11-25 07:20:23,867 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 205 transitions. [2021-11-25 07:20:23,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-11-25 07:20:23,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:20:23,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:20:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:20:24,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 1636 conjuncts, 172 conjunts are in the unsatisfiable core [2021-11-25 07:20:24,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:20:25,314 INFO L134 CoverageAnalysis]: Checked inductivity of 14367 backedges. 2 proven. 14365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:20:25,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:20:25,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 190 states and 206 transitions. [2021-11-25 07:20:25,986 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 206 transitions. [2021-11-25 07:20:25,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-25 07:20:25,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:20:25,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:20:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:20:26,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 1645 conjuncts, 173 conjunts are in the unsatisfiable core [2021-11-25 07:20:26,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:20:27,352 INFO L134 CoverageAnalysis]: Checked inductivity of 14537 backedges. 2 proven. 14535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:20:28,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:20:28,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 191 states and 207 transitions. [2021-11-25 07:20:28,015 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 207 transitions. [2021-11-25 07:20:28,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-11-25 07:20:28,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:20:28,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:20:28,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:20:28,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 1654 conjuncts, 174 conjunts are in the unsatisfiable core [2021-11-25 07:20:28,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:20:29,420 INFO L134 CoverageAnalysis]: Checked inductivity of 14708 backedges. 2 proven. 14706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:20:30,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:20:30,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 192 states and 208 transitions. [2021-11-25 07:20:30,090 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 208 transitions. [2021-11-25 07:20:30,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-25 07:20:30,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:20:30,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:20:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:20:30,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 1663 conjuncts, 175 conjunts are in the unsatisfiable core [2021-11-25 07:20:30,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:20:31,620 INFO L134 CoverageAnalysis]: Checked inductivity of 14880 backedges. 2 proven. 14878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:20:32,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:20:32,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 193 states and 209 transitions. [2021-11-25 07:20:32,278 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 209 transitions. [2021-11-25 07:20:32,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-11-25 07:20:32,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:20:32,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:20:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:20:32,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 1672 conjuncts, 176 conjunts are in the unsatisfiable core [2021-11-25 07:20:32,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:20:33,730 INFO L134 CoverageAnalysis]: Checked inductivity of 15053 backedges. 2 proven. 15051 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:20:34,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:20:34,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 194 states and 210 transitions. [2021-11-25 07:20:34,387 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 210 transitions. [2021-11-25 07:20:34,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-25 07:20:34,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:20:34,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:20:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:20:34,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 1681 conjuncts, 177 conjunts are in the unsatisfiable core [2021-11-25 07:20:34,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:20:35,821 INFO L134 CoverageAnalysis]: Checked inductivity of 15227 backedges. 2 proven. 15225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:20:36,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:20:36,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 195 states and 211 transitions. [2021-11-25 07:20:36,503 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 211 transitions. [2021-11-25 07:20:36,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-25 07:20:36,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:20:36,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:20:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:20:36,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 1690 conjuncts, 178 conjunts are in the unsatisfiable core [2021-11-25 07:20:36,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:20:37,987 INFO L134 CoverageAnalysis]: Checked inductivity of 15402 backedges. 2 proven. 15400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:20:38,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:20:38,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 196 states and 212 transitions. [2021-11-25 07:20:38,693 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 212 transitions. [2021-11-25 07:20:38,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-11-25 07:20:38,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:20:38,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:20:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:20:39,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 1699 conjuncts, 179 conjunts are in the unsatisfiable core [2021-11-25 07:20:39,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:20:40,266 INFO L134 CoverageAnalysis]: Checked inductivity of 15578 backedges. 2 proven. 15576 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:20:41,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:20:41,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 197 states and 213 transitions. [2021-11-25 07:20:41,133 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 213 transitions. [2021-11-25 07:20:41,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-25 07:20:41,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:20:41,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:20:41,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:20:41,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 1708 conjuncts, 180 conjunts are in the unsatisfiable core [2021-11-25 07:20:41,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:20:42,586 INFO L134 CoverageAnalysis]: Checked inductivity of 15755 backedges. 2 proven. 15753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:20:43,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:20:43,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 198 states and 214 transitions. [2021-11-25 07:20:43,328 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 214 transitions. [2021-11-25 07:20:43,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-11-25 07:20:43,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:20:43,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:20:43,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:20:43,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 1717 conjuncts, 181 conjunts are in the unsatisfiable core [2021-11-25 07:20:43,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:20:44,695 INFO L134 CoverageAnalysis]: Checked inductivity of 15933 backedges. 2 proven. 15931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:20:45,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:20:45,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 199 states and 215 transitions. [2021-11-25 07:20:45,478 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 215 transitions. [2021-11-25 07:20:45,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-25 07:20:45,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:20:45,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:20:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:20:45,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 1726 conjuncts, 182 conjunts are in the unsatisfiable core [2021-11-25 07:20:45,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:20:46,942 INFO L134 CoverageAnalysis]: Checked inductivity of 16112 backedges. 2 proven. 16110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:20:47,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:20:47,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 200 states and 216 transitions. [2021-11-25 07:20:47,706 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 216 transitions. [2021-11-25 07:20:47,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-11-25 07:20:47,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:20:47,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:20:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:20:48,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 1735 conjuncts, 183 conjunts are in the unsatisfiable core [2021-11-25 07:20:48,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:20:49,385 INFO L134 CoverageAnalysis]: Checked inductivity of 16292 backedges. 2 proven. 16290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:20:50,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:20:50,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 201 states and 217 transitions. [2021-11-25 07:20:50,143 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 217 transitions. [2021-11-25 07:20:50,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-25 07:20:50,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:20:50,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:20:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:20:50,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 1744 conjuncts, 184 conjunts are in the unsatisfiable core [2021-11-25 07:20:50,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:20:51,744 INFO L134 CoverageAnalysis]: Checked inductivity of 16473 backedges. 2 proven. 16471 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:20:52,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:20:52,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 202 states and 218 transitions. [2021-11-25 07:20:52,429 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 218 transitions. [2021-11-25 07:20:52,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-25 07:20:52,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:20:52,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:20:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:20:52,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 1753 conjuncts, 185 conjunts are in the unsatisfiable core [2021-11-25 07:20:52,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:20:53,857 INFO L134 CoverageAnalysis]: Checked inductivity of 16655 backedges. 2 proven. 16653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:20:54,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:20:54,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 203 states and 219 transitions. [2021-11-25 07:20:54,557 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 219 transitions. [2021-11-25 07:20:54,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-25 07:20:54,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:20:54,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:20:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:20:54,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 1762 conjuncts, 186 conjunts are in the unsatisfiable core [2021-11-25 07:20:54,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:20:56,111 INFO L134 CoverageAnalysis]: Checked inductivity of 16838 backedges. 2 proven. 16836 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:20:56,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:20:56,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 204 states and 220 transitions. [2021-11-25 07:20:56,830 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 220 transitions. [2021-11-25 07:20:56,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-11-25 07:20:56,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:20:56,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:20:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:20:57,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 1771 conjuncts, 187 conjunts are in the unsatisfiable core [2021-11-25 07:20:57,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:20:58,494 INFO L134 CoverageAnalysis]: Checked inductivity of 17022 backedges. 2 proven. 17020 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:20:59,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:20:59,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 205 states and 221 transitions. [2021-11-25 07:20:59,208 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 221 transitions. [2021-11-25 07:20:59,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-11-25 07:20:59,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:20:59,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:20:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:20:59,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 1780 conjuncts, 188 conjunts are in the unsatisfiable core [2021-11-25 07:20:59,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:21:00,777 INFO L134 CoverageAnalysis]: Checked inductivity of 17207 backedges. 2 proven. 17205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:21:01,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:21:01,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 206 states and 222 transitions. [2021-11-25 07:21:01,483 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 222 transitions. [2021-11-25 07:21:01,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-11-25 07:21:01,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:21:01,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:21:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:21:01,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 1789 conjuncts, 189 conjunts are in the unsatisfiable core [2021-11-25 07:21:01,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:21:02,897 INFO L134 CoverageAnalysis]: Checked inductivity of 17393 backedges. 2 proven. 17391 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:21:03,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:21:03,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 207 states and 223 transitions. [2021-11-25 07:21:03,610 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 223 transitions. [2021-11-25 07:21:03,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-25 07:21:03,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:21:03,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:21:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:21:03,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 1798 conjuncts, 190 conjunts are in the unsatisfiable core [2021-11-25 07:21:03,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:21:05,173 INFO L134 CoverageAnalysis]: Checked inductivity of 17580 backedges. 2 proven. 17578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:21:05,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:21:05,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 208 states and 224 transitions. [2021-11-25 07:21:05,894 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 224 transitions. [2021-11-25 07:21:05,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-25 07:21:05,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:21:05,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:21:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:21:06,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 1807 conjuncts, 191 conjunts are in the unsatisfiable core [2021-11-25 07:21:06,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:21:07,593 INFO L134 CoverageAnalysis]: Checked inductivity of 17768 backedges. 2 proven. 17766 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:21:08,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:21:08,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 209 states and 225 transitions. [2021-11-25 07:21:08,325 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 225 transitions. [2021-11-25 07:21:08,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-11-25 07:21:08,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:21:08,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:21:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:21:08,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 1816 conjuncts, 192 conjunts are in the unsatisfiable core [2021-11-25 07:21:08,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:21:09,822 INFO L134 CoverageAnalysis]: Checked inductivity of 17957 backedges. 2 proven. 17955 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:21:10,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:21:10,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 210 states and 226 transitions. [2021-11-25 07:21:10,695 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 226 transitions. [2021-11-25 07:21:10,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-11-25 07:21:10,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:21:10,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:21:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:21:11,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 193 conjunts are in the unsatisfiable core [2021-11-25 07:21:11,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:21:12,091 INFO L134 CoverageAnalysis]: Checked inductivity of 18147 backedges. 2 proven. 18145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:21:12,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:21:12,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 211 states and 227 transitions. [2021-11-25 07:21:12,852 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 227 transitions. [2021-11-25 07:21:12,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-25 07:21:12,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:21:12,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:21:13,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:21:13,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 1834 conjuncts, 194 conjunts are in the unsatisfiable core [2021-11-25 07:21:13,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:21:14,340 INFO L134 CoverageAnalysis]: Checked inductivity of 18338 backedges. 2 proven. 18336 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:21:15,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:21:15,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 212 states and 228 transitions. [2021-11-25 07:21:15,086 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 228 transitions. [2021-11-25 07:21:15,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-25 07:21:15,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:21:15,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:21:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:21:15,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 1843 conjuncts, 195 conjunts are in the unsatisfiable core [2021-11-25 07:21:15,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:21:16,739 INFO L134 CoverageAnalysis]: Checked inductivity of 18530 backedges. 2 proven. 18528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:21:17,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:21:17,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 213 states and 229 transitions. [2021-11-25 07:21:17,501 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 229 transitions. [2021-11-25 07:21:17,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-25 07:21:17,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:21:17,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:21:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:21:17,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 1852 conjuncts, 196 conjunts are in the unsatisfiable core [2021-11-25 07:21:17,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:21:19,231 INFO L134 CoverageAnalysis]: Checked inductivity of 18723 backedges. 2 proven. 18721 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:21:20,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:21:20,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 214 states and 230 transitions. [2021-11-25 07:21:20,000 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 230 transitions. [2021-11-25 07:21:20,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-25 07:21:20,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:21:20,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:21:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:21:20,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 1861 conjuncts, 197 conjunts are in the unsatisfiable core [2021-11-25 07:21:20,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:21:21,520 INFO L134 CoverageAnalysis]: Checked inductivity of 18917 backedges. 2 proven. 18915 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:21:22,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:21:22,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 215 states and 231 transitions. [2021-11-25 07:21:22,263 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 231 transitions. [2021-11-25 07:21:22,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-11-25 07:21:22,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:21:22,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:21:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:21:22,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 1870 conjuncts, 198 conjunts are in the unsatisfiable core [2021-11-25 07:21:22,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:21:23,857 INFO L134 CoverageAnalysis]: Checked inductivity of 19112 backedges. 2 proven. 19110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:21:24,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:21:24,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 216 states and 232 transitions. [2021-11-25 07:21:24,622 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 232 transitions. [2021-11-25 07:21:24,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-25 07:21:24,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:21:24,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:21:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:21:25,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 1879 conjuncts, 199 conjunts are in the unsatisfiable core [2021-11-25 07:21:25,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:21:26,303 INFO L134 CoverageAnalysis]: Checked inductivity of 19308 backedges. 2 proven. 19306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:21:27,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:21:27,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 217 states and 233 transitions. [2021-11-25 07:21:27,095 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 233 transitions. [2021-11-25 07:21:27,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-25 07:21:27,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:21:27,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:21:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:21:27,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 1888 conjuncts, 200 conjunts are in the unsatisfiable core [2021-11-25 07:21:27,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:21:28,919 INFO L134 CoverageAnalysis]: Checked inductivity of 19505 backedges. 2 proven. 19503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:21:29,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:21:29,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 218 states and 234 transitions. [2021-11-25 07:21:29,706 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 234 transitions. [2021-11-25 07:21:29,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-11-25 07:21:29,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:21:29,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:21:30,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:21:30,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 1897 conjuncts, 201 conjunts are in the unsatisfiable core [2021-11-25 07:21:30,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:21:31,360 INFO L134 CoverageAnalysis]: Checked inductivity of 19703 backedges. 2 proven. 19701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:21:32,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:21:32,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 219 states and 235 transitions. [2021-11-25 07:21:32,135 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 235 transitions. [2021-11-25 07:21:32,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-25 07:21:32,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:21:32,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:21:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:21:32,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 1906 conjuncts, 202 conjunts are in the unsatisfiable core [2021-11-25 07:21:32,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:21:33,728 INFO L134 CoverageAnalysis]: Checked inductivity of 19902 backedges. 2 proven. 19900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:21:34,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:21:34,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 220 states and 236 transitions. [2021-11-25 07:21:34,514 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 236 transitions. [2021-11-25 07:21:34,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-25 07:21:34,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:21:34,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:21:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:21:34,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 1915 conjuncts, 203 conjunts are in the unsatisfiable core [2021-11-25 07:21:34,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:21:36,340 INFO L134 CoverageAnalysis]: Checked inductivity of 20102 backedges. 2 proven. 20100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:21:37,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:21:37,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 221 states and 237 transitions. [2021-11-25 07:21:37,190 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 237 transitions. [2021-11-25 07:21:37,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-11-25 07:21:37,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:21:37,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:21:37,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:21:37,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 1924 conjuncts, 204 conjunts are in the unsatisfiable core [2021-11-25 07:21:37,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:21:38,996 INFO L134 CoverageAnalysis]: Checked inductivity of 20303 backedges. 2 proven. 20301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:21:39,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:21:39,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 222 states and 238 transitions. [2021-11-25 07:21:39,784 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 238 transitions. [2021-11-25 07:21:39,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-25 07:21:39,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:21:39,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:21:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:21:40,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 1933 conjuncts, 205 conjunts are in the unsatisfiable core [2021-11-25 07:21:40,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:21:41,398 INFO L134 CoverageAnalysis]: Checked inductivity of 20505 backedges. 2 proven. 20503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:21:42,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:21:42,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 223 states and 239 transitions. [2021-11-25 07:21:42,198 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 239 transitions. [2021-11-25 07:21:42,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-11-25 07:21:42,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:21:42,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:21:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:21:42,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 1942 conjuncts, 206 conjunts are in the unsatisfiable core [2021-11-25 07:21:42,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:21:43,866 INFO L134 CoverageAnalysis]: Checked inductivity of 20708 backedges. 2 proven. 20706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:21:44,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:21:44,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 224 states and 240 transitions. [2021-11-25 07:21:44,691 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 240 transitions. [2021-11-25 07:21:44,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-11-25 07:21:44,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:21:44,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:21:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:21:45,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 1951 conjuncts, 207 conjunts are in the unsatisfiable core [2021-11-25 07:21:45,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:21:46,576 INFO L134 CoverageAnalysis]: Checked inductivity of 20912 backedges. 2 proven. 20910 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:21:47,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:21:47,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 225 states and 241 transitions. [2021-11-25 07:21:47,379 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 241 transitions. [2021-11-25 07:21:47,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-11-25 07:21:47,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:21:47,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:21:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:21:47,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 1960 conjuncts, 208 conjunts are in the unsatisfiable core [2021-11-25 07:21:47,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:21:49,247 INFO L134 CoverageAnalysis]: Checked inductivity of 21117 backedges. 2 proven. 21115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:21:50,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:21:50,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 226 states and 242 transitions. [2021-11-25 07:21:50,184 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 242 transitions. [2021-11-25 07:21:50,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-11-25 07:21:50,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:21:50,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:21:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:21:50,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 1969 conjuncts, 209 conjunts are in the unsatisfiable core [2021-11-25 07:21:50,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:21:51,753 INFO L134 CoverageAnalysis]: Checked inductivity of 21323 backedges. 2 proven. 21321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:21:52,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:21:52,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 227 states and 243 transitions. [2021-11-25 07:21:52,554 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 243 transitions. [2021-11-25 07:21:52,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-11-25 07:21:52,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:21:52,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:21:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:21:52,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 1978 conjuncts, 210 conjunts are in the unsatisfiable core [2021-11-25 07:21:52,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:21:54,232 INFO L134 CoverageAnalysis]: Checked inductivity of 21530 backedges. 2 proven. 21528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:21:55,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:21:55,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 228 states and 244 transitions. [2021-11-25 07:21:55,069 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 244 transitions. [2021-11-25 07:21:55,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-25 07:21:55,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:21:55,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:21:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:21:55,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 1987 conjuncts, 211 conjunts are in the unsatisfiable core [2021-11-25 07:21:55,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:21:56,875 INFO L134 CoverageAnalysis]: Checked inductivity of 21738 backedges. 2 proven. 21736 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:21:57,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:21:57,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 229 states and 245 transitions. [2021-11-25 07:21:57,704 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 245 transitions. [2021-11-25 07:21:57,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-25 07:21:57,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:21:57,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:21:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:21:58,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 1996 conjuncts, 212 conjunts are in the unsatisfiable core [2021-11-25 07:21:58,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:21:59,717 INFO L134 CoverageAnalysis]: Checked inductivity of 21947 backedges. 2 proven. 21945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:22:00,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:00,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 230 states and 246 transitions. [2021-11-25 07:22:00,545 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 246 transitions. [2021-11-25 07:22:00,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-11-25 07:22:00,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:00,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:00,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 2005 conjuncts, 213 conjunts are in the unsatisfiable core [2021-11-25 07:22:00,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:22:02,148 INFO L134 CoverageAnalysis]: Checked inductivity of 22157 backedges. 2 proven. 22155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:22:03,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:03,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 231 states and 247 transitions. [2021-11-25 07:22:03,006 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 247 transitions. [2021-11-25 07:22:03,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-11-25 07:22:03,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:03,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:03,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:03,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 2014 conjuncts, 214 conjunts are in the unsatisfiable core [2021-11-25 07:22:03,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:22:04,870 INFO L134 CoverageAnalysis]: Checked inductivity of 22368 backedges. 2 proven. 22366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:22:05,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:05,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 232 states and 248 transitions. [2021-11-25 07:22:05,730 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 248 transitions. [2021-11-25 07:22:05,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-11-25 07:22:05,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:05,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:06,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 2023 conjuncts, 215 conjunts are in the unsatisfiable core [2021-11-25 07:22:06,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:22:07,623 INFO L134 CoverageAnalysis]: Checked inductivity of 22580 backedges. 2 proven. 22578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:22:08,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:08,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 233 states and 249 transitions. [2021-11-25 07:22:08,463 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 249 transitions. [2021-11-25 07:22:08,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-11-25 07:22:08,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:08,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:09,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:09,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 2032 conjuncts, 216 conjunts are in the unsatisfiable core [2021-11-25 07:22:09,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:22:10,282 INFO L134 CoverageAnalysis]: Checked inductivity of 22793 backedges. 2 proven. 22791 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:22:11,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:11,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 234 states and 250 transitions. [2021-11-25 07:22:11,130 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 250 transitions. [2021-11-25 07:22:11,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-11-25 07:22:11,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:11,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:11,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 217 conjunts are in the unsatisfiable core [2021-11-25 07:22:11,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:22:12,873 INFO L134 CoverageAnalysis]: Checked inductivity of 23007 backedges. 2 proven. 23005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:22:13,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:13,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 235 states and 251 transitions. [2021-11-25 07:22:13,738 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 251 transitions. [2021-11-25 07:22:13,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-25 07:22:13,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:13,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:14,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:14,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 2050 conjuncts, 218 conjunts are in the unsatisfiable core [2021-11-25 07:22:14,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:22:15,666 INFO L134 CoverageAnalysis]: Checked inductivity of 23222 backedges. 2 proven. 23220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:22:16,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:16,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 236 states and 252 transitions. [2021-11-25 07:22:16,519 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 252 transitions. [2021-11-25 07:22:16,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-11-25 07:22:16,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:16,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:16,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 2059 conjuncts, 219 conjunts are in the unsatisfiable core [2021-11-25 07:22:16,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:22:18,763 INFO L134 CoverageAnalysis]: Checked inductivity of 23438 backedges. 2 proven. 23436 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:22:19,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:19,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 237 states and 253 transitions. [2021-11-25 07:22:19,627 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 253 transitions. [2021-11-25 07:22:19,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-11-25 07:22:19,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:19,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:20,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:20,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 2068 conjuncts, 220 conjunts are in the unsatisfiable core [2021-11-25 07:22:20,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:22:21,326 INFO L134 CoverageAnalysis]: Checked inductivity of 23655 backedges. 2 proven. 23653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:22:22,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:22,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 238 states and 254 transitions. [2021-11-25 07:22:22,189 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 254 transitions. [2021-11-25 07:22:22,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-11-25 07:22:22,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:22,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:22,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 2077 conjuncts, 221 conjunts are in the unsatisfiable core [2021-11-25 07:22:22,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:22:24,126 INFO L134 CoverageAnalysis]: Checked inductivity of 23873 backedges. 2 proven. 23871 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:22:25,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:25,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 239 states and 255 transitions. [2021-11-25 07:22:25,007 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 255 transitions. [2021-11-25 07:22:25,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-11-25 07:22:25,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:25,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:25,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 2086 conjuncts, 222 conjunts are in the unsatisfiable core [2021-11-25 07:22:25,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:22:26,891 INFO L134 CoverageAnalysis]: Checked inductivity of 24092 backedges. 2 proven. 24090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:22:27,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:27,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 240 states and 256 transitions. [2021-11-25 07:22:27,758 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 256 transitions. [2021-11-25 07:22:27,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-25 07:22:27,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:27,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:28,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 2095 conjuncts, 223 conjunts are in the unsatisfiable core [2021-11-25 07:22:28,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:22:29,582 INFO L134 CoverageAnalysis]: Checked inductivity of 24312 backedges. 2 proven. 24310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:22:30,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:30,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 241 states and 257 transitions. [2021-11-25 07:22:30,461 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 257 transitions. [2021-11-25 07:22:30,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-11-25 07:22:30,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:30,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:31,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:31,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 2104 conjuncts, 224 conjunts are in the unsatisfiable core [2021-11-25 07:22:31,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:22:32,352 INFO L134 CoverageAnalysis]: Checked inductivity of 24533 backedges. 2 proven. 24531 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:22:33,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:33,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 242 states and 258 transitions. [2021-11-25 07:22:33,237 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 258 transitions. [2021-11-25 07:22:33,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-11-25 07:22:33,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:33,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:33,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:33,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 2113 conjuncts, 225 conjunts are in the unsatisfiable core [2021-11-25 07:22:33,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:22:34,968 INFO L134 CoverageAnalysis]: Checked inductivity of 24755 backedges. 2 proven. 24753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:22:36,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:36,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 243 states and 259 transitions. [2021-11-25 07:22:36,022 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 259 transitions. [2021-11-25 07:22:36,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-25 07:22:36,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:36,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:36,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 2122 conjuncts, 226 conjunts are in the unsatisfiable core [2021-11-25 07:22:36,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:22:37,803 INFO L134 CoverageAnalysis]: Checked inductivity of 24978 backedges. 2 proven. 24976 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:22:38,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:38,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 244 states and 260 transitions. [2021-11-25 07:22:38,725 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 260 transitions. [2021-11-25 07:22:38,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-25 07:22:38,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:38,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:39,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 2131 conjuncts, 227 conjunts are in the unsatisfiable core [2021-11-25 07:22:39,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:22:40,618 INFO L134 CoverageAnalysis]: Checked inductivity of 25202 backedges. 2 proven. 25200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:22:41,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:41,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 245 states and 261 transitions. [2021-11-25 07:22:41,670 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 261 transitions. [2021-11-25 07:22:41,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-11-25 07:22:41,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:41,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:42,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:42,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 2140 conjuncts, 228 conjunts are in the unsatisfiable core [2021-11-25 07:22:42,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:22:43,428 INFO L134 CoverageAnalysis]: Checked inductivity of 25427 backedges. 2 proven. 25425 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:22:44,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:44,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 246 states and 262 transitions. [2021-11-25 07:22:44,376 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 262 transitions. [2021-11-25 07:22:44,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-11-25 07:22:44,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:44,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:44,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:44,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 2149 conjuncts, 229 conjunts are in the unsatisfiable core [2021-11-25 07:22:44,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:22:46,493 INFO L134 CoverageAnalysis]: Checked inductivity of 25653 backedges. 2 proven. 25651 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:22:47,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:47,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 247 states and 263 transitions. [2021-11-25 07:22:47,432 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 263 transitions. [2021-11-25 07:22:47,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-11-25 07:22:47,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:47,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:47,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:47,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 2158 conjuncts, 230 conjunts are in the unsatisfiable core [2021-11-25 07:22:47,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:22:49,250 INFO L134 CoverageAnalysis]: Checked inductivity of 25880 backedges. 2 proven. 25878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:22:50,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:50,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 248 states and 264 transitions. [2021-11-25 07:22:50,188 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 264 transitions. [2021-11-25 07:22:50,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-25 07:22:50,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:50,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:50,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 2167 conjuncts, 231 conjunts are in the unsatisfiable core [2021-11-25 07:22:50,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:22:52,229 INFO L134 CoverageAnalysis]: Checked inductivity of 26108 backedges. 2 proven. 26106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:22:53,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:53,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 249 states and 265 transitions. [2021-11-25 07:22:53,122 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 265 transitions. [2021-11-25 07:22:53,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-11-25 07:22:53,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:53,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:53,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:53,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 2176 conjuncts, 232 conjunts are in the unsatisfiable core [2021-11-25 07:22:53,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:22:54,877 INFO L134 CoverageAnalysis]: Checked inductivity of 26337 backedges. 2 proven. 26335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:22:55,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:55,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 250 states and 266 transitions. [2021-11-25 07:22:55,843 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 266 transitions. [2021-11-25 07:22:55,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-11-25 07:22:55,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:55,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:56,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:56,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 2185 conjuncts, 233 conjunts are in the unsatisfiable core [2021-11-25 07:22:56,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:22:57,785 INFO L134 CoverageAnalysis]: Checked inductivity of 26567 backedges. 2 proven. 26565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:22:58,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:22:58,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 251 states and 267 transitions. [2021-11-25 07:22:58,693 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 267 transitions. [2021-11-25 07:22:58,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-11-25 07:22:58,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:22:58,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:22:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:22:59,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 2194 conjuncts, 234 conjunts are in the unsatisfiable core [2021-11-25 07:22:59,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:23:00,671 INFO L134 CoverageAnalysis]: Checked inductivity of 26798 backedges. 2 proven. 26796 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:01,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:01,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 252 states and 268 transitions. [2021-11-25 07:23:01,635 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 268 transitions. [2021-11-25 07:23:01,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-11-25 07:23:01,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:01,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:02,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 2203 conjuncts, 235 conjunts are in the unsatisfiable core [2021-11-25 07:23:02,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:23:03,651 INFO L134 CoverageAnalysis]: Checked inductivity of 27030 backedges. 2 proven. 27028 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:04,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:04,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 253 states and 269 transitions. [2021-11-25 07:23:04,666 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 269 transitions. [2021-11-25 07:23:04,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-11-25 07:23:04,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:04,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:05,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 2212 conjuncts, 236 conjunts are in the unsatisfiable core [2021-11-25 07:23:05,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:23:06,632 INFO L134 CoverageAnalysis]: Checked inductivity of 27263 backedges. 2 proven. 27261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:07,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:07,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 254 states and 270 transitions. [2021-11-25 07:23:07,584 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 270 transitions. [2021-11-25 07:23:07,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-11-25 07:23:07,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:07,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:08,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 2221 conjuncts, 237 conjunts are in the unsatisfiable core [2021-11-25 07:23:08,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:23:09,686 INFO L134 CoverageAnalysis]: Checked inductivity of 27497 backedges. 2 proven. 27495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:10,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:10,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 255 states and 271 transitions. [2021-11-25 07:23:10,690 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 271 transitions. [2021-11-25 07:23:10,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-25 07:23:10,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:10,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:11,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 2230 conjuncts, 238 conjunts are in the unsatisfiable core [2021-11-25 07:23:11,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:23:12,719 INFO L134 CoverageAnalysis]: Checked inductivity of 27732 backedges. 2 proven. 27730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:13,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:13,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 256 states and 272 transitions. [2021-11-25 07:23:13,706 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 272 transitions. [2021-11-25 07:23:13,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-11-25 07:23:13,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:13,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:14,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 2239 conjuncts, 239 conjunts are in the unsatisfiable core [2021-11-25 07:23:14,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:23:15,714 INFO L134 CoverageAnalysis]: Checked inductivity of 27968 backedges. 2 proven. 27966 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:16,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:16,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 257 states and 273 transitions. [2021-11-25 07:23:16,692 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 273 transitions. [2021-11-25 07:23:16,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-11-25 07:23:16,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:16,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:17,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 2248 conjuncts, 240 conjunts are in the unsatisfiable core [2021-11-25 07:23:17,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:23:18,704 INFO L134 CoverageAnalysis]: Checked inductivity of 28205 backedges. 2 proven. 28203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:19,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:19,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 258 states and 274 transitions. [2021-11-25 07:23:19,718 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 274 transitions. [2021-11-25 07:23:19,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-25 07:23:19,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:19,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:20,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 2257 conjuncts, 241 conjunts are in the unsatisfiable core [2021-11-25 07:23:20,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:23:21,784 INFO L134 CoverageAnalysis]: Checked inductivity of 28443 backedges. 2 proven. 28441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:22,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:22,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 259 states and 275 transitions. [2021-11-25 07:23:22,758 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 275 transitions. [2021-11-25 07:23:22,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-11-25 07:23:22,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:22,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:23,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 2266 conjuncts, 242 conjunts are in the unsatisfiable core [2021-11-25 07:23:23,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:23:24,787 INFO L134 CoverageAnalysis]: Checked inductivity of 28682 backedges. 2 proven. 28680 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:25,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:25,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 260 states and 276 transitions. [2021-11-25 07:23:25,864 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 276 transitions. [2021-11-25 07:23:25,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-11-25 07:23:25,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:25,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:26,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 2275 conjuncts, 243 conjunts are in the unsatisfiable core [2021-11-25 07:23:26,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:23:28,190 INFO L134 CoverageAnalysis]: Checked inductivity of 28922 backedges. 2 proven. 28920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:29,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:29,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 261 states and 277 transitions. [2021-11-25 07:23:29,344 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 277 transitions. [2021-11-25 07:23:29,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-11-25 07:23:29,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:29,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:29,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 2284 conjuncts, 244 conjunts are in the unsatisfiable core [2021-11-25 07:23:29,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:23:31,542 INFO L134 CoverageAnalysis]: Checked inductivity of 29163 backedges. 2 proven. 29161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:32,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:32,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 262 states and 278 transitions. [2021-11-25 07:23:32,821 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 278 transitions. [2021-11-25 07:23:32,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-11-25 07:23:32,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:32,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:33,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 2293 conjuncts, 245 conjunts are in the unsatisfiable core [2021-11-25 07:23:33,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:23:35,022 INFO L134 CoverageAnalysis]: Checked inductivity of 29405 backedges. 2 proven. 29403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:36,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:36,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 263 states and 279 transitions. [2021-11-25 07:23:36,097 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 279 transitions. [2021-11-25 07:23:36,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-11-25 07:23:36,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:36,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:36,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 2302 conjuncts, 246 conjunts are in the unsatisfiable core [2021-11-25 07:23:36,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:23:38,265 INFO L134 CoverageAnalysis]: Checked inductivity of 29648 backedges. 2 proven. 29646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:39,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:39,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 264 states and 280 transitions. [2021-11-25 07:23:39,312 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 280 transitions. [2021-11-25 07:23:39,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-11-25 07:23:39,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:39,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:39,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:39,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 2311 conjuncts, 247 conjunts are in the unsatisfiable core [2021-11-25 07:23:39,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:23:41,208 INFO L134 CoverageAnalysis]: Checked inductivity of 29892 backedges. 2 proven. 29890 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:42,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:42,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 265 states and 281 transitions. [2021-11-25 07:23:42,232 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 281 transitions. [2021-11-25 07:23:42,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-11-25 07:23:42,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:42,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:42,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 2320 conjuncts, 248 conjunts are in the unsatisfiable core [2021-11-25 07:23:42,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:23:44,230 INFO L134 CoverageAnalysis]: Checked inductivity of 30137 backedges. 2 proven. 30135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:45,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:45,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 266 states and 282 transitions. [2021-11-25 07:23:45,208 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 282 transitions. [2021-11-25 07:23:45,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-11-25 07:23:45,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:45,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:45,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 2329 conjuncts, 249 conjunts are in the unsatisfiable core [2021-11-25 07:23:45,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:23:47,243 INFO L134 CoverageAnalysis]: Checked inductivity of 30383 backedges. 2 proven. 30381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:48,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:48,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 267 states and 283 transitions. [2021-11-25 07:23:48,423 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 283 transitions. [2021-11-25 07:23:48,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-11-25 07:23:48,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:48,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:48,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 2338 conjuncts, 250 conjunts are in the unsatisfiable core [2021-11-25 07:23:48,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:23:50,301 INFO L134 CoverageAnalysis]: Checked inductivity of 30630 backedges. 2 proven. 30628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:51,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:51,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 268 states and 284 transitions. [2021-11-25 07:23:51,328 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 284 transitions. [2021-11-25 07:23:51,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-11-25 07:23:51,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:51,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:51,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 2347 conjuncts, 251 conjunts are in the unsatisfiable core [2021-11-25 07:23:51,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:23:53,488 INFO L134 CoverageAnalysis]: Checked inductivity of 30878 backedges. 2 proven. 30876 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:54,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:54,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 269 states and 285 transitions. [2021-11-25 07:23:54,589 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 285 transitions. [2021-11-25 07:23:54,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-11-25 07:23:54,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:54,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:55,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 2356 conjuncts, 252 conjunts are in the unsatisfiable core [2021-11-25 07:23:55,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:23:56,630 INFO L134 CoverageAnalysis]: Checked inductivity of 31127 backedges. 2 proven. 31125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:23:57,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:23:57,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 270 states and 286 transitions. [2021-11-25 07:23:57,709 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 286 transitions. [2021-11-25 07:23:57,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-11-25 07:23:57,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:23:57,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:23:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:23:58,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 2365 conjuncts, 253 conjunts are in the unsatisfiable core [2021-11-25 07:23:58,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:23:59,850 INFO L134 CoverageAnalysis]: Checked inductivity of 31377 backedges. 2 proven. 31375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:24:00,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:24:00,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 271 states and 287 transitions. [2021-11-25 07:24:00,895 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 287 transitions. [2021-11-25 07:24:00,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-25 07:24:00,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:24:00,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:24:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:24:01,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 2374 conjuncts, 254 conjunts are in the unsatisfiable core [2021-11-25 07:24:01,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:24:03,007 INFO L134 CoverageAnalysis]: Checked inductivity of 31628 backedges. 2 proven. 31626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:24:04,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:24:04,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 272 states and 288 transitions. [2021-11-25 07:24:04,277 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 288 transitions. [2021-11-25 07:24:04,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-11-25 07:24:04,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:24:04,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:24:04,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:24:04,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 2383 conjuncts, 255 conjunts are in the unsatisfiable core [2021-11-25 07:24:04,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:24:06,302 INFO L134 CoverageAnalysis]: Checked inductivity of 31880 backedges. 2 proven. 31878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:24:07,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:24:07,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 273 states and 289 transitions. [2021-11-25 07:24:07,351 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 289 transitions. [2021-11-25 07:24:07,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-25 07:24:07,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:24:07,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:24:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:24:07,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 2392 conjuncts, 256 conjunts are in the unsatisfiable core [2021-11-25 07:24:07,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:24:09,680 INFO L134 CoverageAnalysis]: Checked inductivity of 32133 backedges. 2 proven. 32131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:24:10,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:24:10,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 274 states and 290 transitions. [2021-11-25 07:24:10,809 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 290 transitions. [2021-11-25 07:24:10,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-11-25 07:24:10,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:24:10,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:24:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:24:11,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 2401 conjuncts, 257 conjunts are in the unsatisfiable core [2021-11-25 07:24:11,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:24:12,815 INFO L134 CoverageAnalysis]: Checked inductivity of 32387 backedges. 2 proven. 32385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:24:13,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:24:13,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 275 states and 291 transitions. [2021-11-25 07:24:13,864 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 291 transitions. [2021-11-25 07:24:13,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-25 07:24:13,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:24:13,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:24:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:24:14,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 2410 conjuncts, 258 conjunts are in the unsatisfiable core [2021-11-25 07:24:14,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:24:15,930 INFO L134 CoverageAnalysis]: Checked inductivity of 32642 backedges. 2 proven. 32640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:24:16,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:24:16,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 276 states and 292 transitions. [2021-11-25 07:24:16,927 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 292 transitions. [2021-11-25 07:24:16,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-25 07:24:16,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:24:16,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:24:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:24:17,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 2419 conjuncts, 259 conjunts are in the unsatisfiable core [2021-11-25 07:24:17,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:24:18,849 INFO L134 CoverageAnalysis]: Checked inductivity of 32898 backedges. 2 proven. 32896 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:24:19,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:24:19,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 277 states and 293 transitions. [2021-11-25 07:24:19,841 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 293 transitions. [2021-11-25 07:24:19,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-11-25 07:24:19,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:24:19,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:24:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:24:20,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 2428 conjuncts, 260 conjunts are in the unsatisfiable core [2021-11-25 07:24:20,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:24:21,860 INFO L134 CoverageAnalysis]: Checked inductivity of 33155 backedges. 2 proven. 33153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:24:22,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:24:22,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 278 states and 294 transitions. [2021-11-25 07:24:22,848 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 294 transitions. [2021-11-25 07:24:22,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-11-25 07:24:22,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:24:22,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:24:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:24:23,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 2437 conjuncts, 261 conjunts are in the unsatisfiable core [2021-11-25 07:24:23,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:24:24,821 INFO L134 CoverageAnalysis]: Checked inductivity of 33413 backedges. 2 proven. 33411 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:24:25,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:24:25,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 279 states and 295 transitions. [2021-11-25 07:24:25,982 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 295 transitions. [2021-11-25 07:24:25,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-11-25 07:24:25,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:24:25,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:24:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:24:26,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 2446 conjuncts, 262 conjunts are in the unsatisfiable core [2021-11-25 07:24:26,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:24:27,860 INFO L134 CoverageAnalysis]: Checked inductivity of 33672 backedges. 2 proven. 33670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:24:28,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:24:28,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 280 states and 296 transitions. [2021-11-25 07:24:28,868 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 296 transitions. [2021-11-25 07:24:28,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-11-25 07:24:28,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:24:28,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:24:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:24:29,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 2455 conjuncts, 263 conjunts are in the unsatisfiable core [2021-11-25 07:24:29,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:24:31,001 INFO L134 CoverageAnalysis]: Checked inductivity of 33932 backedges. 2 proven. 33930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:24:32,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:24:32,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 281 states and 297 transitions. [2021-11-25 07:24:32,035 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 297 transitions. [2021-11-25 07:24:32,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-11-25 07:24:32,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:24:32,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:24:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:24:32,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 2464 conjuncts, 264 conjunts are in the unsatisfiable core [2021-11-25 07:24:32,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:24:33,936 INFO L134 CoverageAnalysis]: Checked inductivity of 34193 backedges. 2 proven. 34191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:24:34,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:24:34,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 282 states and 298 transitions. [2021-11-25 07:24:34,959 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 298 transitions. [2021-11-25 07:24:34,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-11-25 07:24:34,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:24:34,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:24:35,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:24:35,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 2473 conjuncts, 265 conjunts are in the unsatisfiable core [2021-11-25 07:24:35,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:24:37,059 INFO L134 CoverageAnalysis]: Checked inductivity of 34455 backedges. 2 proven. 34453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:24:38,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:24:38,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 283 states and 299 transitions. [2021-11-25 07:24:38,085 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 299 transitions. [2021-11-25 07:24:38,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-11-25 07:24:38,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:24:38,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:24:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:24:38,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 2482 conjuncts, 266 conjunts are in the unsatisfiable core [2021-11-25 07:24:38,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:24:40,109 INFO L134 CoverageAnalysis]: Checked inductivity of 34718 backedges. 2 proven. 34716 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:24:41,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:24:41,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 284 states and 300 transitions. [2021-11-25 07:24:41,316 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 300 transitions. [2021-11-25 07:24:41,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2021-11-25 07:24:41,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:24:41,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:24:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:24:41,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 2491 conjuncts, 267 conjunts are in the unsatisfiable core [2021-11-25 07:24:41,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:24:43,240 INFO L134 CoverageAnalysis]: Checked inductivity of 34982 backedges. 2 proven. 34980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:24:44,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:24:44,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 285 states and 301 transitions. [2021-11-25 07:24:44,254 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 301 transitions. [2021-11-25 07:24:44,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-11-25 07:24:44,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:24:44,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:24:44,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:24:44,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 2500 conjuncts, 268 conjunts are in the unsatisfiable core [2021-11-25 07:24:44,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:24:46,394 INFO L134 CoverageAnalysis]: Checked inductivity of 35247 backedges. 2 proven. 35245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:24:47,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:24:47,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 286 states and 302 transitions. [2021-11-25 07:24:47,415 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 302 transitions. [2021-11-25 07:24:47,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-11-25 07:24:47,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:24:47,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:24:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:24:47,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 2509 conjuncts, 269 conjunts are in the unsatisfiable core [2021-11-25 07:24:47,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:24:49,391 INFO L134 CoverageAnalysis]: Checked inductivity of 35513 backedges. 2 proven. 35511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:24:50,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:24:50,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 287 states and 303 transitions. [2021-11-25 07:24:50,421 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 303 transitions. [2021-11-25 07:24:50,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-11-25 07:24:50,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:24:50,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:24:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:24:51,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 2518 conjuncts, 270 conjunts are in the unsatisfiable core [2021-11-25 07:24:51,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:24:52,514 INFO L134 CoverageAnalysis]: Checked inductivity of 35780 backedges. 2 proven. 35778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:24:53,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:24:53,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 288 states and 304 transitions. [2021-11-25 07:24:53,559 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 304 transitions. [2021-11-25 07:24:53,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-11-25 07:24:53,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:24:53,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:24:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:24:54,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 2527 conjuncts, 271 conjunts are in the unsatisfiable core [2021-11-25 07:24:54,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:24:55,678 INFO L134 CoverageAnalysis]: Checked inductivity of 36048 backedges. 2 proven. 36046 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:24:56,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:24:56,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 289 states and 305 transitions. [2021-11-25 07:24:56,851 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 305 transitions. [2021-11-25 07:24:56,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-11-25 07:24:56,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:24:56,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:24:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:24:57,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 2536 conjuncts, 272 conjunts are in the unsatisfiable core [2021-11-25 07:24:57,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:24:59,096 INFO L134 CoverageAnalysis]: Checked inductivity of 36317 backedges. 2 proven. 36315 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:25:00,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:25:00,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 290 states and 306 transitions. [2021-11-25 07:25:00,259 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 306 transitions. [2021-11-25 07:25:00,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-11-25 07:25:00,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:25:00,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:25:00,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:25:00,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 2545 conjuncts, 273 conjunts are in the unsatisfiable core [2021-11-25 07:25:00,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:25:02,626 INFO L134 CoverageAnalysis]: Checked inductivity of 36587 backedges. 2 proven. 36585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:25:03,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:25:03,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 291 states and 307 transitions. [2021-11-25 07:25:03,849 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 307 transitions. [2021-11-25 07:25:03,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-11-25 07:25:03,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:25:03,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:25:04,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:25:04,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 2554 conjuncts, 274 conjunts are in the unsatisfiable core [2021-11-25 07:25:04,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:25:06,235 INFO L134 CoverageAnalysis]: Checked inductivity of 36858 backedges. 2 proven. 36856 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:25:07,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:25:07,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 292 states and 308 transitions. [2021-11-25 07:25:07,395 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 308 transitions. [2021-11-25 07:25:07,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-11-25 07:25:07,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:25:07,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:25:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:25:07,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 2563 conjuncts, 275 conjunts are in the unsatisfiable core [2021-11-25 07:25:07,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:25:09,754 INFO L134 CoverageAnalysis]: Checked inductivity of 37130 backedges. 2 proven. 37128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:25:10,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:25:10,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 293 states and 309 transitions. [2021-11-25 07:25:10,905 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 309 transitions. [2021-11-25 07:25:10,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2021-11-25 07:25:10,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:25:10,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:25:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:25:11,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 2572 conjuncts, 276 conjunts are in the unsatisfiable core [2021-11-25 07:25:11,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:25:13,172 INFO L134 CoverageAnalysis]: Checked inductivity of 37403 backedges. 2 proven. 37401 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:25:14,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:25:14,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 294 states and 310 transitions. [2021-11-25 07:25:14,324 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 310 transitions. [2021-11-25 07:25:14,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-11-25 07:25:14,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:25:14,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:25:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:25:14,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 2581 conjuncts, 277 conjunts are in the unsatisfiable core [2021-11-25 07:25:14,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:25:16,469 INFO L134 CoverageAnalysis]: Checked inductivity of 37677 backedges. 2 proven. 37675 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:25:17,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:25:17,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 295 states and 311 transitions. [2021-11-25 07:25:17,758 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 311 transitions. [2021-11-25 07:25:17,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-11-25 07:25:17,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:25:17,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:25:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:25:18,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 2590 conjuncts, 278 conjunts are in the unsatisfiable core [2021-11-25 07:25:18,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:25:19,875 INFO L134 CoverageAnalysis]: Checked inductivity of 37952 backedges. 2 proven. 37950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:25:21,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:25:21,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 296 states and 312 transitions. [2021-11-25 07:25:21,218 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 312 transitions. [2021-11-25 07:25:21,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-11-25 07:25:21,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:25:21,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:25:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:25:21,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 2599 conjuncts, 279 conjunts are in the unsatisfiable core [2021-11-25 07:25:21,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:25:23,360 INFO L134 CoverageAnalysis]: Checked inductivity of 38228 backedges. 2 proven. 38226 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:25:24,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:25:24,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 297 states and 313 transitions. [2021-11-25 07:25:24,727 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 313 transitions. [2021-11-25 07:25:24,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-11-25 07:25:24,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:25:24,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:25:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:25:25,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 2608 conjuncts, 280 conjunts are in the unsatisfiable core [2021-11-25 07:25:25,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:25:27,163 INFO L134 CoverageAnalysis]: Checked inductivity of 38505 backedges. 2 proven. 38503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:25:28,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:25:28,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 298 states and 314 transitions. [2021-11-25 07:25:28,310 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 314 transitions. [2021-11-25 07:25:28,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-11-25 07:25:28,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:25:28,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:25:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:25:28,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 2617 conjuncts, 281 conjunts are in the unsatisfiable core [2021-11-25 07:25:28,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:25:30,693 INFO L134 CoverageAnalysis]: Checked inductivity of 38783 backedges. 2 proven. 38781 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:25:31,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:25:31,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 299 states and 315 transitions. [2021-11-25 07:25:31,861 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 315 transitions. [2021-11-25 07:25:31,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-11-25 07:25:31,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:25:31,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:25:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:25:32,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 2626 conjuncts, 282 conjunts are in the unsatisfiable core [2021-11-25 07:25:32,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:25:34,166 INFO L134 CoverageAnalysis]: Checked inductivity of 39062 backedges. 2 proven. 39060 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:25:35,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:25:35,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 300 states and 316 transitions. [2021-11-25 07:25:35,397 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 316 transitions. [2021-11-25 07:25:35,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-11-25 07:25:35,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:25:35,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:25:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:25:36,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 2635 conjuncts, 283 conjunts are in the unsatisfiable core [2021-11-25 07:25:36,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:25:37,755 INFO L134 CoverageAnalysis]: Checked inductivity of 39342 backedges. 2 proven. 39340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:25:38,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:25:38,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 301 states and 317 transitions. [2021-11-25 07:25:38,925 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 317 transitions. [2021-11-25 07:25:38,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2021-11-25 07:25:38,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:25:38,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:25:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:25:39,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 2644 conjuncts, 284 conjunts are in the unsatisfiable core [2021-11-25 07:25:39,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:25:41,092 INFO L134 CoverageAnalysis]: Checked inductivity of 39623 backedges. 2 proven. 39621 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:25:42,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:25:42,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 302 states and 318 transitions. [2021-11-25 07:25:42,398 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 318 transitions. [2021-11-25 07:25:42,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2021-11-25 07:25:42,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:25:42,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:25:42,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:25:42,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 2653 conjuncts, 285 conjunts are in the unsatisfiable core [2021-11-25 07:25:42,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:25:44,581 INFO L134 CoverageAnalysis]: Checked inductivity of 39905 backedges. 2 proven. 39903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:25:45,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:25:45,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 303 states and 319 transitions. [2021-11-25 07:25:45,967 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 319 transitions. [2021-11-25 07:25:45,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2021-11-25 07:25:45,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:25:45,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:25:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:25:46,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 2662 conjuncts, 286 conjunts are in the unsatisfiable core [2021-11-25 07:25:46,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:25:48,146 INFO L134 CoverageAnalysis]: Checked inductivity of 40188 backedges. 2 proven. 40186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:25:49,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:25:49,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 304 states and 320 transitions. [2021-11-25 07:25:49,517 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 320 transitions. [2021-11-25 07:25:49,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-11-25 07:25:49,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:25:49,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:25:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:25:50,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 2671 conjuncts, 287 conjunts are in the unsatisfiable core [2021-11-25 07:25:50,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:25:51,714 INFO L134 CoverageAnalysis]: Checked inductivity of 40472 backedges. 2 proven. 40470 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:25:53,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:25:53,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 305 states and 321 transitions. [2021-11-25 07:25:53,055 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 321 transitions. [2021-11-25 07:25:53,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-11-25 07:25:53,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:25:53,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:25:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:25:53,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 2680 conjuncts, 288 conjunts are in the unsatisfiable core [2021-11-25 07:25:53,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:25:55,505 INFO L134 CoverageAnalysis]: Checked inductivity of 40757 backedges. 2 proven. 40755 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:25:56,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:25:56,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 306 states and 322 transitions. [2021-11-25 07:25:56,910 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 322 transitions. [2021-11-25 07:25:56,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2021-11-25 07:25:56,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:25:56,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:25:57,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:25:57,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 2689 conjuncts, 289 conjunts are in the unsatisfiable core [2021-11-25 07:25:57,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:25:59,127 INFO L134 CoverageAnalysis]: Checked inductivity of 41043 backedges. 2 proven. 41041 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:26:00,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:26:00,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 307 states and 323 transitions. [2021-11-25 07:26:00,377 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 323 transitions. [2021-11-25 07:26:00,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-11-25 07:26:00,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:26:00,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:26:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:26:01,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 2698 conjuncts, 290 conjunts are in the unsatisfiable core [2021-11-25 07:26:01,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:26:02,732 INFO L134 CoverageAnalysis]: Checked inductivity of 41330 backedges. 2 proven. 41328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:26:04,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:26:04,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 308 states and 324 transitions. [2021-11-25 07:26:04,108 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 324 transitions. [2021-11-25 07:26:04,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-11-25 07:26:04,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:26:04,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:26:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:26:04,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 2707 conjuncts, 291 conjunts are in the unsatisfiable core [2021-11-25 07:26:04,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:26:06,413 INFO L134 CoverageAnalysis]: Checked inductivity of 41618 backedges. 2 proven. 41616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:26:07,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:26:07,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 309 states and 325 transitions. [2021-11-25 07:26:07,627 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 325 transitions. [2021-11-25 07:26:07,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-11-25 07:26:07,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:26:07,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:26:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:26:08,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 2716 conjuncts, 292 conjunts are in the unsatisfiable core [2021-11-25 07:26:08,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:26:10,036 INFO L134 CoverageAnalysis]: Checked inductivity of 41907 backedges. 2 proven. 41905 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:26:11,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:26:11,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 310 states and 326 transitions. [2021-11-25 07:26:11,269 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 326 transitions. [2021-11-25 07:26:11,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-11-25 07:26:11,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:26:11,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:26:12,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:26:12,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 2725 conjuncts, 293 conjunts are in the unsatisfiable core [2021-11-25 07:26:12,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:26:13,819 INFO L134 CoverageAnalysis]: Checked inductivity of 42197 backedges. 2 proven. 42195 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:26:15,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:26:15,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 311 states and 327 transitions. [2021-11-25 07:26:15,043 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 327 transitions. [2021-11-25 07:26:15,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-11-25 07:26:15,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:26:15,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:26:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:26:15,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 2734 conjuncts, 294 conjunts are in the unsatisfiable core [2021-11-25 07:26:15,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:26:17,474 INFO L134 CoverageAnalysis]: Checked inductivity of 42488 backedges. 2 proven. 42486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:26:18,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:26:18,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 312 states and 328 transitions. [2021-11-25 07:26:18,862 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 328 transitions. [2021-11-25 07:26:18,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-11-25 07:26:18,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:26:18,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:26:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:26:19,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 2743 conjuncts, 295 conjunts are in the unsatisfiable core [2021-11-25 07:26:19,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:26:21,138 INFO L134 CoverageAnalysis]: Checked inductivity of 42780 backedges. 2 proven. 42778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:26:22,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:26:22,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 313 states and 329 transitions. [2021-11-25 07:26:22,375 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 329 transitions. [2021-11-25 07:26:22,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-11-25 07:26:22,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:26:22,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:26:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:26:23,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 2752 conjuncts, 296 conjunts are in the unsatisfiable core [2021-11-25 07:26:23,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:26:24,845 INFO L134 CoverageAnalysis]: Checked inductivity of 43073 backedges. 2 proven. 43071 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:26:26,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:26:26,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 314 states and 330 transitions. [2021-11-25 07:26:26,084 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 330 transitions. [2021-11-25 07:26:26,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-11-25 07:26:26,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:26:26,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:26:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:26:26,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 2761 conjuncts, 297 conjunts are in the unsatisfiable core [2021-11-25 07:26:26,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:26:28,621 INFO L134 CoverageAnalysis]: Checked inductivity of 43367 backedges. 2 proven. 43365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:26:30,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:26:30,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 315 states and 331 transitions. [2021-11-25 07:26:30,107 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 331 transitions. [2021-11-25 07:26:30,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-11-25 07:26:30,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:26:30,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:26:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:26:30,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 2770 conjuncts, 298 conjunts are in the unsatisfiable core [2021-11-25 07:26:30,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:26:32,738 INFO L134 CoverageAnalysis]: Checked inductivity of 43662 backedges. 2 proven. 43660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:26:34,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:26:34,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 316 states and 332 transitions. [2021-11-25 07:26:34,020 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 332 transitions. [2021-11-25 07:26:34,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2021-11-25 07:26:34,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:26:34,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:26:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:26:34,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 2779 conjuncts, 299 conjunts are in the unsatisfiable core [2021-11-25 07:26:34,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:26:36,516 INFO L134 CoverageAnalysis]: Checked inductivity of 43958 backedges. 2 proven. 43956 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:26:37,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:26:37,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 317 states and 333 transitions. [2021-11-25 07:26:37,781 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 333 transitions. [2021-11-25 07:26:37,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2021-11-25 07:26:37,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:26:37,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:26:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:26:38,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 2788 conjuncts, 300 conjunts are in the unsatisfiable core [2021-11-25 07:26:38,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:26:40,307 INFO L134 CoverageAnalysis]: Checked inductivity of 44255 backedges. 2 proven. 44253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:26:41,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:26:41,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 318 states and 334 transitions. [2021-11-25 07:26:41,732 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 334 transitions. [2021-11-25 07:26:41,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-11-25 07:26:41,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:26:41,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:26:42,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:26:42,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 2797 conjuncts, 301 conjunts are in the unsatisfiable core [2021-11-25 07:26:42,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:26:44,099 INFO L134 CoverageAnalysis]: Checked inductivity of 44553 backedges. 2 proven. 44551 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:26:45,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:26:45,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 319 states and 335 transitions. [2021-11-25 07:26:45,557 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 335 transitions. [2021-11-25 07:26:45,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-11-25 07:26:45,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:26:45,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:26:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:26:46,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 2806 conjuncts, 302 conjunts are in the unsatisfiable core [2021-11-25 07:26:46,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:26:47,918 INFO L134 CoverageAnalysis]: Checked inductivity of 44852 backedges. 2 proven. 44850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:26:49,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:26:49,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 320 states and 336 transitions. [2021-11-25 07:26:49,456 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 336 transitions. [2021-11-25 07:26:49,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-11-25 07:26:49,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:26:49,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:26:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:26:50,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 2815 conjuncts, 303 conjunts are in the unsatisfiable core [2021-11-25 07:26:50,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:26:51,805 INFO L134 CoverageAnalysis]: Checked inductivity of 45152 backedges. 2 proven. 45150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:26:53,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:26:53,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 321 states and 337 transitions. [2021-11-25 07:26:53,223 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 337 transitions. [2021-11-25 07:26:53,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2021-11-25 07:26:53,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:26:53,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:26:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:26:53,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 2824 conjuncts, 304 conjunts are in the unsatisfiable core [2021-11-25 07:26:53,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:26:55,598 INFO L134 CoverageAnalysis]: Checked inductivity of 45453 backedges. 2 proven. 45451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:26:56,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:26:56,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 322 states and 338 transitions. [2021-11-25 07:26:56,906 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 338 transitions. [2021-11-25 07:26:56,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2021-11-25 07:26:56,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:26:57,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:26:57,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:26:57,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 2833 conjuncts, 305 conjunts are in the unsatisfiable core [2021-11-25 07:26:57,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:26:59,417 INFO L134 CoverageAnalysis]: Checked inductivity of 45755 backedges. 2 proven. 45753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:27:00,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:27:00,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 323 states and 339 transitions. [2021-11-25 07:27:00,698 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 339 transitions. [2021-11-25 07:27:00,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-11-25 07:27:00,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:27:00,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:27:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:27:01,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 2842 conjuncts, 306 conjunts are in the unsatisfiable core [2021-11-25 07:27:01,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:27:03,277 INFO L134 CoverageAnalysis]: Checked inductivity of 46058 backedges. 2 proven. 46056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:27:04,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:27:04,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 324 states and 340 transitions. [2021-11-25 07:27:04,612 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 340 transitions. [2021-11-25 07:27:04,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-11-25 07:27:04,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:27:04,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:27:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:27:05,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 2851 conjuncts, 307 conjunts are in the unsatisfiable core [2021-11-25 07:27:05,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:27:07,229 INFO L134 CoverageAnalysis]: Checked inductivity of 46362 backedges. 2 proven. 46360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:27:08,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:27:08,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 325 states and 341 transitions. [2021-11-25 07:27:08,544 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 341 transitions. [2021-11-25 07:27:08,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2021-11-25 07:27:08,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:27:08,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:27:09,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:27:09,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 2860 conjuncts, 308 conjunts are in the unsatisfiable core [2021-11-25 07:27:09,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:27:11,291 INFO L134 CoverageAnalysis]: Checked inductivity of 46667 backedges. 2 proven. 46665 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:27:12,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:27:12,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 326 states and 342 transitions. [2021-11-25 07:27:12,810 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 342 transitions. [2021-11-25 07:27:12,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2021-11-25 07:27:12,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:27:12,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:27:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:27:13,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 2869 conjuncts, 309 conjunts are in the unsatisfiable core [2021-11-25 07:27:13,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:27:15,261 INFO L134 CoverageAnalysis]: Checked inductivity of 46973 backedges. 2 proven. 46971 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:27:16,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:27:16,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 327 states and 343 transitions. [2021-11-25 07:27:16,617 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 343 transitions. [2021-11-25 07:27:16,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-11-25 07:27:16,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:27:16,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:27:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:27:17,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 2878 conjuncts, 310 conjunts are in the unsatisfiable core [2021-11-25 07:27:17,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:27:19,262 INFO L134 CoverageAnalysis]: Checked inductivity of 47280 backedges. 2 proven. 47278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:27:20,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:27:20,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 328 states and 344 transitions. [2021-11-25 07:27:20,791 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 344 transitions. [2021-11-25 07:27:20,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-11-25 07:27:20,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:27:20,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:27:21,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:27:21,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 2887 conjuncts, 311 conjunts are in the unsatisfiable core [2021-11-25 07:27:21,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:27:23,220 INFO L134 CoverageAnalysis]: Checked inductivity of 47588 backedges. 2 proven. 47586 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:27:24,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:27:24,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 329 states and 345 transitions. [2021-11-25 07:27:24,725 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 345 transitions. [2021-11-25 07:27:24,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2021-11-25 07:27:24,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:27:24,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:27:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:27:25,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 2896 conjuncts, 312 conjunts are in the unsatisfiable core [2021-11-25 07:27:25,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:27:27,216 INFO L134 CoverageAnalysis]: Checked inductivity of 47897 backedges. 2 proven. 47895 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:27:28,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:27:28,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 330 states and 346 transitions. [2021-11-25 07:27:28,725 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 346 transitions. [2021-11-25 07:27:28,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2021-11-25 07:27:28,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:27:28,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:27:29,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:27:29,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 2905 conjuncts, 313 conjunts are in the unsatisfiable core [2021-11-25 07:27:29,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:27:31,178 INFO L134 CoverageAnalysis]: Checked inductivity of 48207 backedges. 2 proven. 48205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:27:32,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:27:32,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 331 states and 347 transitions. [2021-11-25 07:27:32,681 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 347 transitions. [2021-11-25 07:27:32,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-11-25 07:27:32,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:27:32,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:27:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:27:33,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 2914 conjuncts, 314 conjunts are in the unsatisfiable core [2021-11-25 07:27:33,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:27:35,227 INFO L134 CoverageAnalysis]: Checked inductivity of 48518 backedges. 2 proven. 48516 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:27:36,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:27:36,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 332 states and 348 transitions. [2021-11-25 07:27:36,715 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 348 transitions. [2021-11-25 07:27:36,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-11-25 07:27:36,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:27:36,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:27:37,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:27:37,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 2923 conjuncts, 315 conjunts are in the unsatisfiable core [2021-11-25 07:27:37,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:27:40,035 INFO L134 CoverageAnalysis]: Checked inductivity of 48830 backedges. 2 proven. 48828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:27:41,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:27:41,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 333 states and 349 transitions. [2021-11-25 07:27:41,505 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 349 transitions. [2021-11-25 07:27:41,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-11-25 07:27:41,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:27:41,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:27:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:27:42,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 2932 conjuncts, 316 conjunts are in the unsatisfiable core [2021-11-25 07:27:42,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:27:44,258 INFO L134 CoverageAnalysis]: Checked inductivity of 49143 backedges. 2 proven. 49141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:27:45,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:27:45,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 334 states and 350 transitions. [2021-11-25 07:27:45,731 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 350 transitions. [2021-11-25 07:27:45,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-11-25 07:27:45,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:27:45,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:27:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:27:46,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 2941 conjuncts, 317 conjunts are in the unsatisfiable core [2021-11-25 07:27:46,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:27:48,622 INFO L134 CoverageAnalysis]: Checked inductivity of 49457 backedges. 2 proven. 49455 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:27:50,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:27:50,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 335 states and 351 transitions. [2021-11-25 07:27:50,015 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 351 transitions. [2021-11-25 07:27:50,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-11-25 07:27:50,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:27:50,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:27:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:27:50,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 2950 conjuncts, 318 conjunts are in the unsatisfiable core [2021-11-25 07:27:50,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:27:52,754 INFO L134 CoverageAnalysis]: Checked inductivity of 49772 backedges. 2 proven. 49770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:27:54,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:27:54,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 336 states and 352 transitions. [2021-11-25 07:27:54,240 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 352 transitions. [2021-11-25 07:27:54,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-11-25 07:27:54,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:27:54,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:27:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:27:54,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 2959 conjuncts, 319 conjunts are in the unsatisfiable core [2021-11-25 07:27:54,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:27:56,956 INFO L134 CoverageAnalysis]: Checked inductivity of 50088 backedges. 2 proven. 50086 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:27:58,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:27:58,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 337 states and 353 transitions. [2021-11-25 07:27:58,369 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 353 transitions. [2021-11-25 07:27:58,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-11-25 07:27:58,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:27:58,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:27:59,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:27:59,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 2968 conjuncts, 320 conjunts are in the unsatisfiable core [2021-11-25 07:27:59,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:28:01,170 INFO L134 CoverageAnalysis]: Checked inductivity of 50405 backedges. 2 proven. 50403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:28:02,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:28:02,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 338 states and 354 transitions. [2021-11-25 07:28:02,649 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 354 transitions. [2021-11-25 07:28:02,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2021-11-25 07:28:02,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:28:02,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:28:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:28:03,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 2977 conjuncts, 321 conjunts are in the unsatisfiable core [2021-11-25 07:28:03,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:28:05,488 INFO L134 CoverageAnalysis]: Checked inductivity of 50723 backedges. 2 proven. 50721 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:28:07,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:28:07,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 339 states and 355 transitions. [2021-11-25 07:28:07,017 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 355 transitions. [2021-11-25 07:28:07,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-11-25 07:28:07,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:28:07,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:28:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:28:07,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 2986 conjuncts, 322 conjunts are in the unsatisfiable core [2021-11-25 07:28:07,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:28:09,823 INFO L134 CoverageAnalysis]: Checked inductivity of 51042 backedges. 2 proven. 51040 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:28:11,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:28:11,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 340 states and 356 transitions. [2021-11-25 07:28:11,246 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 356 transitions. [2021-11-25 07:28:11,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2021-11-25 07:28:11,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:28:11,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:28:11,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:28:11,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 2995 conjuncts, 323 conjunts are in the unsatisfiable core [2021-11-25 07:28:11,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:28:13,998 INFO L134 CoverageAnalysis]: Checked inductivity of 51362 backedges. 2 proven. 51360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:28:15,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:28:15,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 341 states and 357 transitions. [2021-11-25 07:28:15,423 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 357 transitions. [2021-11-25 07:28:15,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2021-11-25 07:28:15,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:28:15,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:28:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:28:16,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 3004 conjuncts, 324 conjunts are in the unsatisfiable core [2021-11-25 07:28:16,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:28:18,257 INFO L134 CoverageAnalysis]: Checked inductivity of 51683 backedges. 2 proven. 51681 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:28:19,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:28:19,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 342 states and 358 transitions. [2021-11-25 07:28:19,706 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 358 transitions. [2021-11-25 07:28:19,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-11-25 07:28:19,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:28:19,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:28:20,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:28:20,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 3013 conjuncts, 325 conjunts are in the unsatisfiable core [2021-11-25 07:28:20,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:28:22,457 INFO L134 CoverageAnalysis]: Checked inductivity of 52005 backedges. 2 proven. 52003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:28:23,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:28:23,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 343 states and 359 transitions. [2021-11-25 07:28:23,924 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 359 transitions. [2021-11-25 07:28:23,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-11-25 07:28:23,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:28:23,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:28:24,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:28:24,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 3022 conjuncts, 326 conjunts are in the unsatisfiable core [2021-11-25 07:28:24,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:28:26,691 INFO L134 CoverageAnalysis]: Checked inductivity of 52328 backedges. 2 proven. 52326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:28:28,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:28:28,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 344 states and 360 transitions. [2021-11-25 07:28:28,330 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 360 transitions. [2021-11-25 07:28:28,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2021-11-25 07:28:28,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:28:28,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:28:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:28:29,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 3031 conjuncts, 327 conjunts are in the unsatisfiable core [2021-11-25 07:28:29,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:28:31,033 INFO L134 CoverageAnalysis]: Checked inductivity of 52652 backedges. 2 proven. 52650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.