./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-manipulation/merge_sort-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ab11b5-571f-45c4-a1dd-bcfb6aa820b4/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ab11b5-571f-45c4-a1dd-bcfb6aa820b4/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ab11b5-571f-45c4-a1dd-bcfb6aa820b4/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ab11b5-571f-45c4-a1dd-bcfb6aa820b4/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-manipulation/merge_sort-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ab11b5-571f-45c4-a1dd-bcfb6aa820b4/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ab11b5-571f-45c4-a1dd-bcfb6aa820b4/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e47f94c757882803b8e19e21a897c3f5ab1653c3391e3b246153a1c416bdab7c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 18:21:06,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:21:06,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:21:06,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:21:06,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:21:06,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:21:06,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:21:06,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:21:06,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:21:06,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:21:06,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:21:06,631 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:21:06,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:21:06,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:21:06,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:21:06,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:21:06,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:21:06,635 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:21:06,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:21:06,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:21:06,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:21:06,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:21:06,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:21:06,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:21:06,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:21:06,644 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:21:06,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:21:06,646 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:21:06,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:21:06,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:21:06,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:21:06,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:21:06,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:21:06,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:21:06,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:21:06,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:21:06,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:21:06,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:21:06,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:21:06,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:21:06,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:21:06,657 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ab11b5-571f-45c4-a1dd-bcfb6aa820b4/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 18:21:06,671 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:21:06,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:21:06,672 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:21:06,672 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:21:06,673 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:21:06,673 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:21:06,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:21:06,673 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 18:21:06,673 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:21:06,674 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 18:21:06,674 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:21:06,674 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:21:06,674 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:21:06,674 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:21:06,674 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 18:21:06,675 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:21:06,675 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:21:06,675 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:21:06,675 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:21:06,675 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:21:06,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:21:06,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:21:06,676 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:21:06,676 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:21:06,676 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:21:06,676 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:21:06,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:21:06,677 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:21:06,677 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_42ab11b5-571f-45c4-a1dd-bcfb6aa820b4/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ab11b5-571f-45c4-a1dd-bcfb6aa820b4/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e47f94c757882803b8e19e21a897c3f5ab1653c3391e3b246153a1c416bdab7c [2022-12-14 18:21:06,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:21:06,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:21:06,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:21:06,879 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:21:06,879 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:21:06,880 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ab11b5-571f-45c4-a1dd-bcfb6aa820b4/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/heap-manipulation/merge_sort-2.i [2022-12-14 18:21:09,564 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:21:09,749 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:21:09,749 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ab11b5-571f-45c4-a1dd-bcfb6aa820b4/sv-benchmarks/c/heap-manipulation/merge_sort-2.i [2022-12-14 18:21:09,761 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ab11b5-571f-45c4-a1dd-bcfb6aa820b4/bin/ukojak-rkRKPMF4O4/data/bdd585236/47cf792f90e940679d575b10ccb9508c/FLAG4cf0cdf3b [2022-12-14 18:21:09,774 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ab11b5-571f-45c4-a1dd-bcfb6aa820b4/bin/ukojak-rkRKPMF4O4/data/bdd585236/47cf792f90e940679d575b10ccb9508c [2022-12-14 18:21:09,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:21:09,777 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:21:09,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:21:09,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:21:09,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:21:09,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:21:09" (1/1) ... [2022-12-14 18:21:09,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56a7fc1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:09, skipping insertion in model container [2022-12-14 18:21:09,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:21:09" (1/1) ... [2022-12-14 18:21:09,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:21:09,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:21:10,042 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ab11b5-571f-45c4-a1dd-bcfb6aa820b4/sv-benchmarks/c/heap-manipulation/merge_sort-2.i[22632,22645] [2022-12-14 18:21:10,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:21:10,090 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:21:10,123 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ab11b5-571f-45c4-a1dd-bcfb6aa820b4/sv-benchmarks/c/heap-manipulation/merge_sort-2.i[22632,22645] [2022-12-14 18:21:10,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:21:10,157 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:21:10,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:10 WrapperNode [2022-12-14 18:21:10,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:21:10,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:21:10,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:21:10,159 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:21:10,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:10" (1/1) ... [2022-12-14 18:21:10,178 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:10" (1/1) ... [2022-12-14 18:21:10,202 INFO L138 Inliner]: procedures = 125, calls = 83, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 285 [2022-12-14 18:21:10,203 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:21:10,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:21:10,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:21:10,204 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:21:10,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:10" (1/1) ... [2022-12-14 18:21:10,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:10" (1/1) ... [2022-12-14 18:21:10,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:10" (1/1) ... [2022-12-14 18:21:10,215 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:10" (1/1) ... [2022-12-14 18:21:10,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:10" (1/1) ... [2022-12-14 18:21:10,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:10" (1/1) ... [2022-12-14 18:21:10,234 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:10" (1/1) ... [2022-12-14 18:21:10,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:10" (1/1) ... [2022-12-14 18:21:10,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:21:10,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:21:10,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:21:10,240 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:21:10,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:10" (1/1) ... [2022-12-14 18:21:10,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:21:10,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ab11b5-571f-45c4-a1dd-bcfb6aa820b4/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:21:10,265 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ab11b5-571f-45c4-a1dd-bcfb6aa820b4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:21:10,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ab11b5-571f-45c4-a1dd-bcfb6aa820b4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:21:10,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 18:21:10,312 INFO L130 BoogieDeclarations]: Found specification of procedure merge_single_node [2022-12-14 18:21:10,312 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_single_node [2022-12-14 18:21:10,312 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2022-12-14 18:21:10,312 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2022-12-14 18:21:10,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 18:21:10,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 18:21:10,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:21:10,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 18:21:10,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 18:21:10,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 18:21:10,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:21:10,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:21:10,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:21:10,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:21:10,422 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:21:10,424 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:21:10,743 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:21:10,818 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:21:10,818 INFO L300 CfgBuilder]: Removed 33 assume(true) statements. [2022-12-14 18:21:10,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:21:10 BoogieIcfgContainer [2022-12-14 18:21:10,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:21:10,822 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:21:10,822 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:21:10,831 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:21:10,831 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:21:10" (1/1) ... [2022-12-14 18:21:10,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:21:10,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:21:10,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 80 states and 146 transitions. [2022-12-14 18:21:10,892 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 146 transitions. [2022-12-14 18:21:10,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 18:21:10,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:21:10,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:21:10,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:21:11,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:21:11,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:21:11,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 79 states and 129 transitions. [2022-12-14 18:21:11,024 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 129 transitions. [2022-12-14 18:21:11,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 18:21:11,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:21:11,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:21:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:21:11,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:21:11,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:21:11,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 82 states and 132 transitions. [2022-12-14 18:21:11,121 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 132 transitions. [2022-12-14 18:21:11,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 18:21:11,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:21:11,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:21:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:21:11,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:21:11,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:21:11,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 81 states and 130 transitions. [2022-12-14 18:21:11,335 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 130 transitions. [2022-12-14 18:21:11,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 18:21:11,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:21:11,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:21:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:21:11,369 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:21:11,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:21:11,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 81 states and 127 transitions. [2022-12-14 18:21:11,377 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 127 transitions. [2022-12-14 18:21:11,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 18:21:11,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:21:11,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:21:11,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:21:11,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:21:11,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:21:11,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 84 states and 130 transitions. [2022-12-14 18:21:11,482 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 130 transitions. [2022-12-14 18:21:11,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 18:21:11,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:21:11,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:21:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:21:11,556 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:21:11,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:21:11,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 85 states and 131 transitions. [2022-12-14 18:21:11,573 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 131 transitions. [2022-12-14 18:21:11,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 18:21:11,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:21:11,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:21:11,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:21:11,683 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:21:11,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:21:11,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 88 states and 132 transitions. [2022-12-14 18:21:11,907 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 132 transitions. [2022-12-14 18:21:11,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 18:21:11,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:21:11,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:21:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:21:11,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:21:12,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:21:12,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 91 states and 133 transitions. [2022-12-14 18:21:12,042 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 133 transitions. [2022-12-14 18:21:12,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 18:21:12,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:21:12,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:21:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:21:12,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:21:12,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:21:12,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 100 states and 143 transitions. [2022-12-14 18:21:12,984 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 143 transitions. [2022-12-14 18:21:12,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 18:21:12,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:21:12,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:21:12,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:21:13,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:21:13,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:21:13,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 107 states and 149 transitions. [2022-12-14 18:21:13,570 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 149 transitions. [2022-12-14 18:21:13,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 18:21:13,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:21:13,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:21:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:21:13,922 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:21:15,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:21:15,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 119 states and 162 transitions. [2022-12-14 18:21:15,532 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 162 transitions. [2022-12-14 18:21:15,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 18:21:15,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:21:15,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:21:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:21:15,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:21:16,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:21:16,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 129 states and 171 transitions. [2022-12-14 18:21:16,892 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 171 transitions. [2022-12-14 18:21:16,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 18:21:16,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:21:16,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:21:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:21:17,016 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:21:18,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:21:18,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 137 states and 180 transitions. [2022-12-14 18:21:18,389 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 180 transitions. [2022-12-14 18:21:18,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 18:21:18,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:21:18,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:21:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:21:18,447 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:21:18,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:21:18,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 138 states and 180 transitions. [2022-12-14 18:21:18,469 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 180 transitions. [2022-12-14 18:21:18,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 18:21:18,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:21:18,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:21:18,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:21:18,486 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:21:18,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:21:18,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 138 states and 177 transitions. [2022-12-14 18:21:18,493 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 177 transitions. [2022-12-14 18:21:18,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 18:21:18,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:21:18,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:21:18,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:21:18,588 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:21:21,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:21:21,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 156 states and 201 transitions. [2022-12-14 18:21:21,192 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 201 transitions. [2022-12-14 18:21:21,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 18:21:21,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:21:21,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:21:21,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:21:21,242 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 18:21:21,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:21:21,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 152 states and 196 transitions. [2022-12-14 18:21:21,856 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 196 transitions. [2022-12-14 18:21:21,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 18:21:21,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:21:21,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:21:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:21:21,920 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 18:21:21,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:21:21,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 148 states and 191 transitions. [2022-12-14 18:21:21,941 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 191 transitions. [2022-12-14 18:21:21,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 18:21:21,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:21:21,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:21:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:21:22,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:21:27,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:21:27,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 174 states and 222 transitions. [2022-12-14 18:21:27,987 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 222 transitions. [2022-12-14 18:21:27,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 18:21:27,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:21:27,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:21:28,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:21:28,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:21:28,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:21:28,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 175 states and 224 transitions. [2022-12-14 18:21:28,259 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 224 transitions. [2022-12-14 18:21:28,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 18:21:28,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:21:28,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:21:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:21:28,598 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:21:29,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:21:29,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 173 states and 221 transitions. [2022-12-14 18:21:29,194 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 221 transitions. [2022-12-14 18:21:29,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 18:21:29,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:21:29,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:21:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:21:29,680 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 18:21:31,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:21:31,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 175 states and 223 transitions. [2022-12-14 18:21:31,499 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 223 transitions. [2022-12-14 18:21:31,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 18:21:31,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:21:31,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:21:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:21:31,670 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:21:31,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:21:31,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 177 states and 226 transitions. [2022-12-14 18:21:31,786 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 226 transitions. [2022-12-14 18:21:31,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 18:21:31,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:21:31,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:21:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:21:32,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:21:39,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:21:39,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 201 states and 254 transitions. [2022-12-14 18:21:39,483 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 254 transitions. [2022-12-14 18:21:39,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 18:21:39,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:21:39,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:21:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:21:40,406 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:21:49,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:21:49,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 223 states and 285 transitions. [2022-12-14 18:21:49,731 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 285 transitions. [2022-12-14 18:21:49,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 18:21:49,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:21:49,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:21:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:21:49,991 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:21:50,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:21:50,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 224 states and 285 transitions. [2022-12-14 18:21:50,561 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 285 transitions. [2022-12-14 18:21:50,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 18:21:50,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:21:50,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:21:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:21:50,579 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:21:50,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:21:50,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 224 states and 284 transitions. [2022-12-14 18:21:50,588 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 284 transitions. [2022-12-14 18:21:50,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 18:21:50,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:21:50,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:21:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:21:50,898 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:21:51,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:21:51,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 219 states and 276 transitions. [2022-12-14 18:21:51,717 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 276 transitions. [2022-12-14 18:21:51,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 18:21:51,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:21:51,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:21:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:21:51,801 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:21:52,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:21:52,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 223 states and 284 transitions. [2022-12-14 18:21:52,276 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 284 transitions. [2022-12-14 18:21:52,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 18:21:52,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:21:52,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:21:52,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:21:54,543 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:22:06,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:22:06,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 242 states and 312 transitions. [2022-12-14 18:22:06,870 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 312 transitions. [2022-12-14 18:22:06,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 18:22:06,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:22:06,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:22:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:22:09,455 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:22:25,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:22:25,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 264 states and 353 transitions. [2022-12-14 18:22:25,939 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 353 transitions. [2022-12-14 18:22:25,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 18:22:25,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:22:25,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:22:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:22:27,533 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:22:29,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:22:29,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 265 states and 353 transitions. [2022-12-14 18:22:29,103 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 353 transitions. [2022-12-14 18:22:29,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 18:22:29,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:22:29,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:22:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:22:29,757 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 18:22:31,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:22:31,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 270 states and 360 transitions. [2022-12-14 18:22:31,547 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 360 transitions. [2022-12-14 18:22:31,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 18:22:31,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:22:31,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:22:31,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:22:31,570 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:22:31,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:22:31,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 270 states and 357 transitions. [2022-12-14 18:22:31,591 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 357 transitions. [2022-12-14 18:22:31,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 18:22:31,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:22:31,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:22:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:22:32,114 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:22:34,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:22:34,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 273 states and 365 transitions. [2022-12-14 18:22:34,071 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 365 transitions. [2022-12-14 18:22:34,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 18:22:34,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:22:34,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:22:34,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:22:36,584 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:22:39,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:22:39,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 263 states and 347 transitions. [2022-12-14 18:22:39,250 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 347 transitions. [2022-12-14 18:22:39,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 18:22:39,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:22:39,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:22:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:22:39,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:22:40,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:22:40,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 262 states and 345 transitions. [2022-12-14 18:22:40,816 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 345 transitions. [2022-12-14 18:22:40,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 18:22:40,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:22:40,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:22:40,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:22:40,960 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 18:22:48,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:22:48,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 271 states and 357 transitions. [2022-12-14 18:22:48,148 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 357 transitions. [2022-12-14 18:22:48,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 18:22:48,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:22:48,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:22:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:22:48,864 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:22:50,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:22:50,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 273 states and 362 transitions. [2022-12-14 18:22:50,691 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 362 transitions. [2022-12-14 18:22:50,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 18:22:50,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:22:50,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:22:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:22:50,801 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 18:22:50,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:22:50,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 275 states and 365 transitions. [2022-12-14 18:22:50,835 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 365 transitions. [2022-12-14 18:22:50,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 18:22:50,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:22:50,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:22:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:22:50,948 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 18:22:50,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:22:50,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 276 states and 366 transitions. [2022-12-14 18:22:50,974 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 366 transitions. [2022-12-14 18:22:50,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 18:22:50,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:22:50,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:22:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:22:51,010 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 18:22:58,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:22:58,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 288 states and 380 transitions. [2022-12-14 18:22:58,568 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 380 transitions. [2022-12-14 18:22:58,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 18:22:58,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:22:58,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:22:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:22:58,606 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 18:23:01,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:23:01,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 291 states and 384 transitions. [2022-12-14 18:23:01,761 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 384 transitions. [2022-12-14 18:23:01,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 18:23:01,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:23:01,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:23:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:23:03,810 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:23:15,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:23:15,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 309 states and 411 transitions. [2022-12-14 18:23:15,996 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 411 transitions. [2022-12-14 18:23:15,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-14 18:23:15,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:23:15,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:23:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:23:18,001 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 18:23:37,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:23:37,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 328 states and 441 transitions. [2022-12-14 18:23:37,128 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 441 transitions. [2022-12-14 18:23:37,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-14 18:23:37,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:23:37,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:23:37,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:23:39,241 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 18:23:43,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:23:43,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 330 states and 444 transitions. [2022-12-14 18:23:43,111 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 444 transitions. [2022-12-14 18:23:43,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-14 18:23:43,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:23:43,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:23:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:23:43,216 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:24:03,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:24:03,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 353 states and 475 transitions. [2022-12-14 18:24:03,305 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 475 transitions. [2022-12-14 18:24:03,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-14 18:24:03,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:24:03,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:24:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:24:06,406 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 6 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:24:31,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:24:31,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 372 states and 512 transitions. [2022-12-14 18:24:31,680 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 512 transitions. [2022-12-14 18:24:31,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-14 18:24:31,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:24:31,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:24:31,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:24:32,508 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 6 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:24:35,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:24:35,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 374 states and 518 transitions. [2022-12-14 18:24:35,658 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 518 transitions. [2022-12-14 18:24:35,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-14 18:24:35,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:24:35,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:24:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:24:36,946 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 6 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:24:41,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:24:41,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 377 states and 528 transitions. [2022-12-14 18:24:41,795 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 528 transitions. [2022-12-14 18:24:41,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 18:24:41,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:24:41,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:24:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:24:45,632 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 18:24:53,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:24:53,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 380 states and 533 transitions. [2022-12-14 18:24:53,808 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 533 transitions. [2022-12-14 18:24:53,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 18:24:53,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:24:53,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:24:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:24:53,925 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:25:12,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:12,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 395 states and 558 transitions. [2022-12-14 18:25:12,465 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 558 transitions. [2022-12-14 18:25:12,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 18:25:12,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:25:12,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:25:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:25:12,773 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 18:25:15,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:15,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 397 states and 562 transitions. [2022-12-14 18:25:15,734 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 562 transitions. [2022-12-14 18:25:15,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-14 18:25:15,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:25:15,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:25:15,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:25:20,061 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 38 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:25:26,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:26,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 392 states and 554 transitions. [2022-12-14 18:25:26,036 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 554 transitions. [2022-12-14 18:25:26,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 18:25:26,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:25:26,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:25:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:25:37,753 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:26:15,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:26:15,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 411 states and 580 transitions. [2022-12-14 18:26:15,925 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 580 transitions. [2022-12-14 18:26:15,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-14 18:26:15,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:26:15,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:26:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:26:16,099 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 18:26:29,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:26:29,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 422 states and 597 transitions. [2022-12-14 18:26:29,855 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 597 transitions. [2022-12-14 18:26:29,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-14 18:26:29,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:26:29,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:26:29,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:26:30,028 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 18:26:34,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:26:34,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 424 states and 605 transitions. [2022-12-14 18:26:34,534 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 605 transitions. [2022-12-14 18:26:34,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-14 18:26:34,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:26:34,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:26:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:26:34,701 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 18:26:37,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:26:37,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 426 states and 609 transitions. [2022-12-14 18:26:37,920 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 609 transitions. [2022-12-14 18:26:37,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-14 18:26:37,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:26:37,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:26:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:26:38,114 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 18:26:42,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:26:42,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 428 states and 615 transitions. [2022-12-14 18:26:42,514 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 615 transitions. [2022-12-14 18:26:42,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-14 18:26:42,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:26:42,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:26:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:26:54,338 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 12 proven. 44 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:27:44,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:27:44,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 440 states and 632 transitions. [2022-12-14 18:27:44,574 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 632 transitions. [2022-12-14 18:27:44,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-14 18:27:44,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:27:44,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:27:44,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:27:44,610 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 18:27:59,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:27:59,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 452 states and 646 transitions. [2022-12-14 18:27:59,544 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 646 transitions. [2022-12-14 18:27:59,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-14 18:27:59,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:27:59,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:27:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:28:24,610 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:30:01,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:30:01,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 490 states and 721 transitions. [2022-12-14 18:30:01,662 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 721 transitions. [2022-12-14 18:30:01,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-14 18:30:01,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:30:01,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:30:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:30:27,877 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:32:16,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:32:16,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 497 states and 745 transitions. [2022-12-14 18:32:16,971 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 745 transitions. [2022-12-14 18:32:16,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-14 18:32:16,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:32:16,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:32:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:32:48,072 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:34:49,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:34:49,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 503 states and 768 transitions. [2022-12-14 18:34:49,863 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 768 transitions. [2022-12-14 18:34:49,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-14 18:34:49,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:34:49,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:34:49,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:35:24,298 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.