./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff4295-7891-4787-a551-745b084ffc63/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff4295-7891-4787-a551-745b084ffc63/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff4295-7891-4787-a551-745b084ffc63/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff4295-7891-4787-a551-745b084ffc63/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff4295-7891-4787-a551-745b084ffc63/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff4295-7891-4787-a551-745b084ffc63/bin/ukojak-2xVlg8857e --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 17c1b3adab900925d0968acf284c9fae9bc7d0ec39197e53dc7bd6b93c5a8558 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 21:58:29,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 21:58:29,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 21:58:29,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 21:58:29,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 21:58:29,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 21:58:29,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 21:58:29,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 21:58:29,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 21:58:29,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 21:58:29,812 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 21:58:29,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 21:58:29,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 21:58:29,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 21:58:29,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 21:58:29,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 21:58:29,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 21:58:29,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 21:58:29,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 21:58:29,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 21:58:29,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 21:58:29,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 21:58:29,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 21:58:29,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 21:58:29,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 21:58:29,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 21:58:29,847 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 21:58:29,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 21:58:29,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 21:58:29,854 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 21:58:29,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 21:58:29,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 21:58:29,858 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 21:58:29,859 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 21:58:29,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 21:58:29,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 21:58:29,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 21:58:29,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 21:58:29,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 21:58:29,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 21:58:29,865 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 21:58:29,866 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff4295-7891-4787-a551-745b084ffc63/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 21:58:29,902 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 21:58:29,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 21:58:29,903 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 21:58:29,904 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 21:58:29,904 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 21:58:29,905 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 21:58:29,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 21:58:29,905 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 21:58:29,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 21:58:29,906 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 21:58:29,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 21:58:29,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 21:58:29,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 21:58:29,907 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 21:58:29,907 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 21:58:29,907 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 21:58:29,907 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 21:58:29,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 21:58:29,908 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 21:58:29,908 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 21:58:29,908 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 21:58:29,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:58:29,909 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 21:58:29,909 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 21:58:29,909 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 21:58:29,910 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 21:58:29,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 21:58:29,910 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 21:58:29,910 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_cbff4295-7891-4787-a551-745b084ffc63/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff4295-7891-4787-a551-745b084ffc63/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17c1b3adab900925d0968acf284c9fae9bc7d0ec39197e53dc7bd6b93c5a8558 [2021-11-13 21:58:30,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 21:58:30,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 21:58:30,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 21:58:30,186 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 21:58:30,187 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 21:58:30,190 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff4295-7891-4787-a551-745b084ffc63/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2021-11-13 21:58:30,278 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff4295-7891-4787-a551-745b084ffc63/bin/ukojak-2xVlg8857e/data/76f3c9a4d/4c3d725a2b5049c5a6c1a9bcc996968f/FLAGbb2a6421a [2021-11-13 21:58:30,724 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 21:58:30,731 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff4295-7891-4787-a551-745b084ffc63/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2021-11-13 21:58:30,744 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff4295-7891-4787-a551-745b084ffc63/bin/ukojak-2xVlg8857e/data/76f3c9a4d/4c3d725a2b5049c5a6c1a9bcc996968f/FLAGbb2a6421a [2021-11-13 21:58:31,084 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff4295-7891-4787-a551-745b084ffc63/bin/ukojak-2xVlg8857e/data/76f3c9a4d/4c3d725a2b5049c5a6c1a9bcc996968f [2021-11-13 21:58:31,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 21:58:31,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 21:58:31,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 21:58:31,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 21:58:31,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 21:58:31,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:58:31" (1/1) ... [2021-11-13 21:58:31,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a12f03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:31, skipping insertion in model container [2021-11-13 21:58:31,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:58:31" (1/1) ... [2021-11-13 21:58:31,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 21:58:31,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 21:58:31,346 WARN L228 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_cbff4295-7891-4787-a551-745b084ffc63/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[4105,4118] [2021-11-13 21:58:31,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:58:31,390 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 21:58:31,420 WARN L228 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_cbff4295-7891-4787-a551-745b084ffc63/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[4105,4118] [2021-11-13 21:58:31,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:58:31,448 INFO L208 MainTranslator]: Completed translation [2021-11-13 21:58:31,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:31 WrapperNode [2021-11-13 21:58:31,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 21:58:31,450 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 21:58:31,450 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 21:58:31,451 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 21:58:31,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:31" (1/1) ... [2021-11-13 21:58:31,468 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:31" (1/1) ... [2021-11-13 21:58:31,495 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 21:58:31,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 21:58:31,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 21:58:31,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 21:58:31,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:31" (1/1) ... [2021-11-13 21:58:31,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:31" (1/1) ... [2021-11-13 21:58:31,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:31" (1/1) ... [2021-11-13 21:58:31,509 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:31" (1/1) ... [2021-11-13 21:58:31,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:31" (1/1) ... [2021-11-13 21:58:31,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:31" (1/1) ... [2021-11-13 21:58:31,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:31" (1/1) ... [2021-11-13 21:58:31,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 21:58:31,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 21:58:31,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 21:58:31,525 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 21:58:31,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:31" (1/1) ... [2021-11-13 21:58:31,555 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:58:31,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff4295-7891-4787-a551-745b084ffc63/bin/ukojak-2xVlg8857e/z3 [2021-11-13 21:58:31,585 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff4295-7891-4787-a551-745b084ffc63/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 21:58:31,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbff4295-7891-4787-a551-745b084ffc63/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 21:58:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 21:58:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 21:58:31,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 21:58:31,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 21:58:32,244 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 21:58:32,249 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 21:58:32,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:58:32 BoogieIcfgContainer [2021-11-13 21:58:32,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 21:58:32,253 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 21:58:32,253 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 21:58:32,265 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 21:58:32,266 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:58:32" (1/1) ... [2021-11-13 21:58:32,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:58:32,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:32,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 47 states and 76 transitions. [2021-11-13 21:58:32,377 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2021-11-13 21:58:32,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:58:32,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:32,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:32,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:32,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:32,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 49 states and 77 transitions. [2021-11-13 21:58:32,768 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 77 transitions. [2021-11-13 21:58:32,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 21:58:32,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:32,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:32,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:33,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:33,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 56 states and 88 transitions. [2021-11-13 21:58:33,061 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 88 transitions. [2021-11-13 21:58:33,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 21:58:33,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:33,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:33,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:33,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:33,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 57 states and 88 transitions. [2021-11-13 21:58:33,203 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 88 transitions. [2021-11-13 21:58:33,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 21:58:33,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:33,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:33,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:33,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:33,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 69 states and 108 transitions. [2021-11-13 21:58:33,490 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 108 transitions. [2021-11-13 21:58:33,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 21:58:33,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:33,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:33,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:33,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:33,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 70 states and 108 transitions. [2021-11-13 21:58:33,553 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 108 transitions. [2021-11-13 21:58:33,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 21:58:33,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:33,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:33,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:33,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:33,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 71 states and 108 transitions. [2021-11-13 21:58:33,626 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 108 transitions. [2021-11-13 21:58:33,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 21:58:33,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:33,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:33,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:33,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:34,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:34,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 88 states and 138 transitions. [2021-11-13 21:58:34,859 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 138 transitions. [2021-11-13 21:58:34,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 21:58:34,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:34,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:34,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:34,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:34,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 89 states and 138 transitions. [2021-11-13 21:58:34,940 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 138 transitions. [2021-11-13 21:58:34,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 21:58:34,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:34,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:35,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:35,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:35,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 90 states and 138 transitions. [2021-11-13 21:58:35,034 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 138 transitions. [2021-11-13 21:58:35,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 21:58:35,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:35,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:35,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:35,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:35,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 91 states and 138 transitions. [2021-11-13 21:58:35,130 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 138 transitions. [2021-11-13 21:58:35,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 21:58:35,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:35,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:35,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:36,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:36,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 109 states and 169 transitions. [2021-11-13 21:58:36,932 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 169 transitions. [2021-11-13 21:58:36,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 21:58:36,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:36,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:36,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:37,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:39,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:39,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 128 states and 200 transitions. [2021-11-13 21:58:39,775 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 200 transitions. [2021-11-13 21:58:39,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 21:58:39,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:39,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:39,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:39,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:39,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 129 states and 200 transitions. [2021-11-13 21:58:39,845 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 200 transitions. [2021-11-13 21:58:39,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 21:58:39,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:39,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:39,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:39,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:39,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:39,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 130 states and 200 transitions. [2021-11-13 21:58:39,963 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 200 transitions. [2021-11-13 21:58:39,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 21:58:39,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:39,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:40,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:40,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:40,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 131 states and 203 transitions. [2021-11-13 21:58:40,361 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 203 transitions. [2021-11-13 21:58:40,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 21:58:40,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:40,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:40,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:40,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:40,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 132 states and 203 transitions. [2021-11-13 21:58:40,543 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 203 transitions. [2021-11-13 21:58:40,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 21:58:40,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:40,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:40,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:40,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:40,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 133 states and 203 transitions. [2021-11-13 21:58:40,618 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 203 transitions. [2021-11-13 21:58:40,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 21:58:40,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:40,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:40,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:40,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:40,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 134 states and 203 transitions. [2021-11-13 21:58:40,723 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 203 transitions. [2021-11-13 21:58:40,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 21:58:40,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:40,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:40,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:44,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:44,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 137 states and 207 transitions. [2021-11-13 21:58:44,433 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 207 transitions. [2021-11-13 21:58:44,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 21:58:44,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:44,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:44,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:44,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:50,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:50,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 145 states and 219 transitions. [2021-11-13 21:58:50,199 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 219 transitions. [2021-11-13 21:58:50,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 21:58:50,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:50,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:50,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:51,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:51,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 149 states and 231 transitions. [2021-11-13 21:58:51,915 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 231 transitions. [2021-11-13 21:58:51,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 21:58:51,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:51,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:56,254 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:30,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:30,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 179 states and 301 transitions. [2021-11-13 21:59:30,876 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 301 transitions. [2021-11-13 21:59:30,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 21:59:30,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:30,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:31,139 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 21:59:41,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:41,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 193 states and 327 transitions. [2021-11-13 21:59:41,465 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 327 transitions. [2021-11-13 21:59:41,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 21:59:41,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:41,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:41,717 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:59:51,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:51,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 202 states and 344 transitions. [2021-11-13 21:59:51,176 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 344 transitions. [2021-11-13 21:59:51,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 21:59:51,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:51,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:51,443 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 21:59:56,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:56,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 206 states and 351 transitions. [2021-11-13 21:59:56,067 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 351 transitions. [2021-11-13 21:59:56,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 21:59:56,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:56,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:56,346 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:00:01,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:01,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 217 states and 377 transitions. [2021-11-13 22:00:01,482 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 377 transitions. [2021-11-13 22:00:01,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 22:00:01,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:01,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:12,382 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:01:32,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:32,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 245 states and 451 transitions. [2021-11-13 22:01:32,588 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 451 transitions. [2021-11-13 22:01:32,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 22:01:32,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:32,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:34,057 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:01:35,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:35,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 248 states and 456 transitions. [2021-11-13 22:01:35,313 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 456 transitions. [2021-11-13 22:01:35,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-13 22:01:35,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:35,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:35,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:35,801 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:01:58,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:58,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 266 states and 496 transitions. [2021-11-13 22:01:58,443 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 496 transitions. [2021-11-13 22:01:58,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-13 22:01:58,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:58,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:58,980 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:02:27,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:27,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 287 states and 540 transitions. [2021-11-13 22:02:27,630 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 540 transitions. [2021-11-13 22:02:27,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-13 22:02:27,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:27,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:27,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:28,070 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:02:53,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:53,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 301 states and 567 transitions. [2021-11-13 22:02:53,330 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 567 transitions. [2021-11-13 22:02:53,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-13 22:02:53,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:53,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:54,384 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 22:02:56,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:56,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 302 states and 568 transitions. [2021-11-13 22:02:56,561 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 568 transitions. [2021-11-13 22:02:56,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-13 22:02:56,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:56,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:57,030 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:13,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:13,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 316 states and 591 transitions. [2021-11-13 22:03:13,372 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 591 transitions. [2021-11-13 22:03:13,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-13 22:03:13,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:13,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:13,883 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:26,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:26,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 327 states and 610 transitions. [2021-11-13 22:03:26,319 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 610 transitions. [2021-11-13 22:03:26,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-13 22:03:26,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:26,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:26,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:26,895 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:03:38,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:38,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 338 states and 650 transitions. [2021-11-13 22:03:38,548 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 650 transitions. [2021-11-13 22:03:38,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-13 22:03:38,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:38,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:38,591 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:03:45,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:45,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 343 states and 657 transitions. [2021-11-13 22:03:45,093 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 657 transitions. [2021-11-13 22:03:45,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-13 22:03:45,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:45,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:45,129 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:03:57,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:57,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 350 states and 679 transitions. [2021-11-13 22:03:57,672 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 679 transitions. [2021-11-13 22:03:57,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-13 22:03:57,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:57,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:57,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:57,707 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:04:00,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:00,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 352 states and 684 transitions. [2021-11-13 22:04:00,677 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 684 transitions. [2021-11-13 22:04:00,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-13 22:04:00,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:00,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:00,722 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:04:09,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:09,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 359 states and 700 transitions. [2021-11-13 22:04:09,185 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 700 transitions. [2021-11-13 22:04:09,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-13 22:04:09,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:09,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:09,816 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:04:23,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:23,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 368 states and 730 transitions. [2021-11-13 22:04:23,241 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 730 transitions. [2021-11-13 22:04:23,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-13 22:04:23,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:23,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:23,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:23,276 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:04:31,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:31,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 375 states and 744 transitions. [2021-11-13 22:04:31,984 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 744 transitions. [2021-11-13 22:04:31,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-13 22:04:31,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:31,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:32,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:32,019 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:04:38,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:38,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 382 states and 756 transitions. [2021-11-13 22:04:38,450 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 756 transitions. [2021-11-13 22:04:38,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-13 22:04:38,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:38,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:38,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:38,484 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:04:49,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:49,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 389 states and 777 transitions. [2021-11-13 22:04:49,423 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 777 transitions. [2021-11-13 22:04:49,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-13 22:04:49,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:49,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:49,457 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:05:00,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:00,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 396 states and 797 transitions. [2021-11-13 22:05:00,095 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 797 transitions. [2021-11-13 22:05:00,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-13 22:05:00,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:00,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:00,128 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:05:09,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:09,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 403 states and 812 transitions. [2021-11-13 22:05:09,230 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 812 transitions. [2021-11-13 22:05:09,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-13 22:05:09,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:09,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:09,263 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:05:18,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:18,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 410 states and 825 transitions. [2021-11-13 22:05:18,569 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 825 transitions. [2021-11-13 22:05:18,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-13 22:05:18,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:18,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:18,600 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:05:32,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:32,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 417 states and 845 transitions. [2021-11-13 22:05:32,569 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 845 transitions. [2021-11-13 22:05:32,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-13 22:05:32,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:32,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:33,349 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:05:43,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:43,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 424 states and 853 transitions. [2021-11-13 22:05:43,551 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 853 transitions. [2021-11-13 22:05:43,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-13 22:05:43,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:43,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:43,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:43,583 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:05:56,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:56,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 431 states and 872 transitions. [2021-11-13 22:05:56,166 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 872 transitions. [2021-11-13 22:05:56,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-13 22:05:56,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:56,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:56,198 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:06:10,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:10,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 438 states and 887 transitions. [2021-11-13 22:06:10,900 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 887 transitions. [2021-11-13 22:06:10,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-13 22:06:10,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:10,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:10,937 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:06:22,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:22,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 445 states and 901 transitions. [2021-11-13 22:06:22,859 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 901 transitions. [2021-11-13 22:06:22,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-13 22:06:22,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:22,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:22,891 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:06:30,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:30,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 452 states and 909 transitions. [2021-11-13 22:06:30,393 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 909 transitions. [2021-11-13 22:06:30,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-13 22:06:30,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:30,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:30,425 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:06:40,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:40,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 459 states and 916 transitions. [2021-11-13 22:06:40,591 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 916 transitions. [2021-11-13 22:06:40,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-13 22:06:40,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:40,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:40,619 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 22:06:50,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:50,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 476 states and 948 transitions. [2021-11-13 22:06:50,783 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 948 transitions. [2021-11-13 22:06:50,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-13 22:06:50,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:50,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:50,812 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 22:06:50,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:50,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 477 states and 948 transitions. [2021-11-13 22:06:50,857 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 948 transitions. [2021-11-13 22:06:50,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-13 22:06:50,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:50,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:50,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:50,885 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 22:06:50,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:50,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 478 states and 948 transitions. [2021-11-13 22:06:50,932 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 948 transitions. [2021-11-13 22:06:50,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-13 22:06:50,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:50,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:50,967 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 22:06:51,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:51,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 479 states and 948 transitions. [2021-11-13 22:06:51,013 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 948 transitions. [2021-11-13 22:06:51,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-13 22:06:51,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:51,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:51,042 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 22:06:53,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:53,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 477 states and 945 transitions. [2021-11-13 22:06:53,238 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 945 transitions. [2021-11-13 22:06:53,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-13 22:06:53,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:53,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:53,270 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 22:07:04,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:04,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 495 states and 989 transitions. [2021-11-13 22:07:04,608 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 989 transitions. [2021-11-13 22:07:04,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-13 22:07:04,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:04,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:04,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:04,698 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 22:07:11,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:11,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 498 states and 994 transitions. [2021-11-13 22:07:11,919 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 994 transitions. [2021-11-13 22:07:11,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-13 22:07:11,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:11,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:11,994 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 22:07:18,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:18,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 498 states and 993 transitions. [2021-11-13 22:07:18,786 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 993 transitions. [2021-11-13 22:07:18,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-13 22:07:18,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:18,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:18,875 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 22:07:26,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:26,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 513 states and 1027 transitions. [2021-11-13 22:07:26,034 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 1027 transitions. [2021-11-13 22:07:26,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-13 22:07:26,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:26,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:26,121 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 22:07:27,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:27,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 515 states and 1030 transitions. [2021-11-13 22:07:27,035 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 1030 transitions. [2021-11-13 22:07:27,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-13 22:07:27,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:27,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:27,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:27,063 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 22:07:31,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:31,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 516 states and 1029 transitions. [2021-11-13 22:07:31,784 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 1029 transitions. [2021-11-13 22:07:31,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-13 22:07:31,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:31,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:31,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:31,868 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 22:07:31,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:31,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 517 states and 1029 transitions. [2021-11-13 22:07:31,920 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 1029 transitions. [2021-11-13 22:07:31,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-13 22:07:31,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:31,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:31,948 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 22:07:32,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:32,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 518 states and 1029 transitions. [2021-11-13 22:07:32,785 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 1029 transitions. [2021-11-13 22:07:32,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-13 22:07:32,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:32,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:32,820 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 22:07:32,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:32,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 519 states and 1029 transitions. [2021-11-13 22:07:32,871 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 1029 transitions. [2021-11-13 22:07:32,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-13 22:07:32,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:32,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:32,953 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 22:07:33,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:33,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 520 states and 1029 transitions. [2021-11-13 22:07:33,002 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 1029 transitions. [2021-11-13 22:07:33,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-13 22:07:33,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:33,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:33,072 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 22:07:36,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:36,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 520 states and 1028 transitions. [2021-11-13 22:07:36,944 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 1028 transitions. [2021-11-13 22:07:36,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-13 22:07:36,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:36,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:37,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:29,301 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 6 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.