./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrpbrk-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f173fc-d5a6-4efd-8aac-44ffb426df73/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f173fc-d5a6-4efd-8aac-44ffb426df73/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f173fc-d5a6-4efd-8aac-44ffb426df73/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f173fc-d5a6-4efd-8aac-44ffb426df73/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrpbrk-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f173fc-d5a6-4efd-8aac-44ffb426df73/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f173fc-d5a6-4efd-8aac-44ffb426df73/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d450427152972d80716d02c80706dd3b248a3fc7c05c71ffd29d66e32e1e82f2 --- 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-6b4ec56 [2022-11-20 18:18:05,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:18:05,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:18:05,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:18:05,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:18:05,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:18:05,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:18:05,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:18:05,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:18:05,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:18:05,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:18:05,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:18:05,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:18:05,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:18:05,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:18:05,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:18:05,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:18:05,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:18:05,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:18:05,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:18:05,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:18:05,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:18:05,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:18:05,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:18:05,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:18:05,111 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:18:05,111 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:18:05,113 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:18:05,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:18:05,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:18:05,115 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:18:05,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:18:05,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:18:05,118 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:18:05,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:18:05,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:18:05,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:18:05,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:18:05,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:18:05,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:18:05,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:18:05,125 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f173fc-d5a6-4efd-8aac-44ffb426df73/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-11-20 18:18:05,159 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:18:05,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:18:05,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:18:05,162 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:18:05,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:18:05,162 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:18:05,163 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:18:05,163 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:18:05,163 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:18:05,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:18:05,165 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 18:18:05,165 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 18:18:05,165 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 18:18:05,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:18:05,166 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:18:05,166 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:18:05,166 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:18:05,167 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:18:05,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:18:05,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:18:05,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:18:05,168 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:18:05,168 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:18:05,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:18:05,169 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_a4f173fc-d5a6-4efd-8aac-44ffb426df73/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f173fc-d5a6-4efd-8aac-44ffb426df73/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d450427152972d80716d02c80706dd3b248a3fc7c05c71ffd29d66e32e1e82f2 [2022-11-20 18:18:05,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:18:05,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:18:05,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:18:05,534 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:18:05,534 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:18:05,536 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f173fc-d5a6-4efd-8aac-44ffb426df73/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/array-memsafety/openbsd_cstrpbrk-alloca-2.i [2022-11-20 18:18:08,774 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:18:09,014 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:18:09,015 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f173fc-d5a6-4efd-8aac-44ffb426df73/sv-benchmarks/c/array-memsafety/openbsd_cstrpbrk-alloca-2.i [2022-11-20 18:18:09,027 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f173fc-d5a6-4efd-8aac-44ffb426df73/bin/ukojak-pZX7IvK2PQ/data/86407e19a/0f7a63ba16d64affa606a45ea4d6feb3/FLAGe1295868e [2022-11-20 18:18:09,042 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f173fc-d5a6-4efd-8aac-44ffb426df73/bin/ukojak-pZX7IvK2PQ/data/86407e19a/0f7a63ba16d64affa606a45ea4d6feb3 [2022-11-20 18:18:09,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:18:09,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:18:09,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:18:09,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:18:09,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:18:09,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:18:09" (1/1) ... [2022-11-20 18:18:09,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ddf3a21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:09, skipping insertion in model container [2022-11-20 18:18:09,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:18:09" (1/1) ... [2022-11-20 18:18:09,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:18:09,095 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:18:09,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:18:09,494 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:18:09,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:18:09,569 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:18:09,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:09 WrapperNode [2022-11-20 18:18:09,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:18:09,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:18:09,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:18:09,571 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:18:09,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:09" (1/1) ... [2022-11-20 18:18:09,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:09" (1/1) ... [2022-11-20 18:18:09,610 INFO L138 Inliner]: procedures = 117, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2022-11-20 18:18:09,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:18:09,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:18:09,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:18:09,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:18:09,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:09" (1/1) ... [2022-11-20 18:18:09,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:09" (1/1) ... [2022-11-20 18:18:09,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:09" (1/1) ... [2022-11-20 18:18:09,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:09" (1/1) ... [2022-11-20 18:18:09,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:09" (1/1) ... [2022-11-20 18:18:09,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:09" (1/1) ... [2022-11-20 18:18:09,641 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:09" (1/1) ... [2022-11-20 18:18:09,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:09" (1/1) ... [2022-11-20 18:18:09,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:18:09,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:18:09,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:18:09,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:18:09,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:09" (1/1) ... [2022-11-20 18:18:09,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:18:09,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f173fc-d5a6-4efd-8aac-44ffb426df73/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:18:09,678 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f173fc-d5a6-4efd-8aac-44ffb426df73/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:18:09,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f173fc-d5a6-4efd-8aac-44ffb426df73/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:18:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 18:18:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 18:18:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:18:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:18:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:18:09,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:18:09,826 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:18:09,828 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:18:10,062 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:18:10,141 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:18:10,141 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 18:18:10,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:18:10 BoogieIcfgContainer [2022-11-20 18:18:10,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:18:10,145 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:18:10,145 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:18:10,155 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:18:10,155 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:18:10" (1/1) ... [2022-11-20 18:18:10,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:18:10,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:10,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2022-11-20 18:18:10,227 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2022-11-20 18:18:10,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 18:18:10,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:10,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:10,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:10,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:18:10,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:10,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2022-11-20 18:18:10,700 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2022-11-20 18:18:10,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 18:18:10,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:10,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:11,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:18:11,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:11,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2022-11-20 18:18:11,448 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2022-11-20 18:18:11,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 18:18:11,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:11,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:11,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:18:11,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:11,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2022-11-20 18:18:11,577 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2022-11-20 18:18:11,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 18:18:11,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:11,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:11,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:18:12,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:12,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 35 states and 47 transitions. [2022-11-20 18:18:12,062 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2022-11-20 18:18:12,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 18:18:12,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:12,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:12,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:18:12,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:12,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 37 states and 52 transitions. [2022-11-20 18:18:12,556 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2022-11-20 18:18:12,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 18:18:12,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:12,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:12,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:18:12,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:12,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 37 states and 51 transitions. [2022-11-20 18:18:12,959 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2022-11-20 18:18:12,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 18:18:12,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:12,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:13,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:18:14,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:14,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 40 states and 59 transitions. [2022-11-20 18:18:14,114 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 59 transitions. [2022-11-20 18:18:14,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 18:18:14,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:14,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:14,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:18:16,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:16,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 43 states and 70 transitions. [2022-11-20 18:18:16,352 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 70 transitions. [2022-11-20 18:18:16,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 18:18:16,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:16,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:16,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:18:18,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:18,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 46 states and 82 transitions. [2022-11-20 18:18:18,691 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 82 transitions. [2022-11-20 18:18:18,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 18:18:18,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:18,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:19,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:18:20,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:20,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 90 transitions. [2022-11-20 18:18:20,968 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 90 transitions. [2022-11-20 18:18:20,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 18:18:20,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:20,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:20,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:21,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:18:21,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:21,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 49 states and 92 transitions. [2022-11-20 18:18:21,668 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 92 transitions. [2022-11-20 18:18:21,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 18:18:21,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:21,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:21,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:18:23,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:23,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 51 states and 94 transitions. [2022-11-20 18:18:23,109 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 94 transitions. [2022-11-20 18:18:23,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 18:18:23,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:23,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:23,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:18:23,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:23,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 51 states and 93 transitions. [2022-11-20 18:18:23,992 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 93 transitions. [2022-11-20 18:18:23,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 18:18:23,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:23,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:24,800 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:18:26,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:26,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2022-11-20 18:18:26,978 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2022-11-20 18:18:26,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:18:26,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:26,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:27,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:18:27,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:27,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2022-11-20 18:18:27,356 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2022-11-20 18:18:27,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:18:27,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:27,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:27,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:18:28,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:28,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 50 states and 82 transitions. [2022-11-20 18:18:28,405 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 82 transitions. [2022-11-20 18:18:28,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:18:28,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:28,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:29,199 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:18:31,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:31,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 53 states and 92 transitions. [2022-11-20 18:18:31,609 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 92 transitions. [2022-11-20 18:18:31,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:18:31,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:31,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:31,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:18:32,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:32,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 85 transitions. [2022-11-20 18:18:32,374 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 85 transitions. [2022-11-20 18:18:32,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:18:32,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:32,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:32,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:18:33,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:33,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 54 states and 89 transitions. [2022-11-20 18:18:33,654 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 89 transitions. [2022-11-20 18:18:33,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:18:33,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:33,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:33,878 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:18:34,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:34,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 47 states and 75 transitions. [2022-11-20 18:18:34,728 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 75 transitions. [2022-11-20 18:18:34,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:18:34,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:34,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:35,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:18:36,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:36,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 45 states and 69 transitions. [2022-11-20 18:18:36,958 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 69 transitions. [2022-11-20 18:18:36,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 18:18:36,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:36,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:37,762 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:18:40,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:40,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 48 states and 74 transitions. [2022-11-20 18:18:40,908 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2022-11-20 18:18:40,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 18:18:40,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:40,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:40,955 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:18:42,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:42,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 47 states and 72 transitions. [2022-11-20 18:18:42,443 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 72 transitions. [2022-11-20 18:18:42,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:18:42,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:42,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:42,463 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:18:42,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:42,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 48 states and 72 transitions. [2022-11-20 18:18:42,966 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions. [2022-11-20 18:18:42,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:18:42,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:42,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:43,793 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:18:45,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:45,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 49 states and 75 transitions. [2022-11-20 18:18:45,209 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 75 transitions. [2022-11-20 18:18:45,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:18:45,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:45,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:45,262 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:18:46,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:46,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 41 transitions. [2022-11-20 18:18:46,067 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2022-11-20 18:18:46,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 18:18:46,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:46,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:46,458 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:18:47,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:47,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2022-11-20 18:18:47,377 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2022-11-20 18:18:47,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 18:18:47,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:47,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:48,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:18:53,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:53,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 39 states and 52 transitions. [2022-11-20 18:18:53,404 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2022-11-20 18:18:53,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 18:18:53,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:53,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:53,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:54,322 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:18:56,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:56,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 43 transitions. [2022-11-20 18:18:56,147 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2022-11-20 18:18:56,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 18:18:56,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:56,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:56,426 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:18:57,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:57,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2022-11-20 18:18:57,637 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2022-11-20 18:18:57,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 18:18:57,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:57,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:58,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:19:00,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:00,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2022-11-20 18:19:00,446 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2022-11-20 18:19:00,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 18:19:00,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:00,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:01,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:19:06,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:06,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 42 states and 54 transitions. [2022-11-20 18:19:06,512 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2022-11-20 18:19:06,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 18:19:06,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:06,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:07,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:19:20,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:20,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-11-20 18:19:20,000 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-11-20 18:19:20,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 18:19:20,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:20,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:20,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:20,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:19:24,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:24,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 56 states and 79 transitions. [2022-11-20 18:19:24,353 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 79 transitions. [2022-11-20 18:19:24,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 18:19:24,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:24,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:27,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:19:44,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:44,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 64 states and 91 transitions. [2022-11-20 18:19:44,254 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 91 transitions. [2022-11-20 18:19:44,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 18:19:44,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:44,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:44,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:44,633 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:19:46,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:46,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 65 states and 91 transitions. [2022-11-20 18:19:46,423 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 91 transitions. [2022-11-20 18:19:46,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 18:19:46,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:46,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:46,531 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 18:19:49,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:49,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 59 states and 83 transitions. [2022-11-20 18:19:49,971 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 83 transitions. [2022-11-20 18:19:49,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 18:19:49,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:49,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:51,698 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:19:55,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:55,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 60 states and 83 transitions. [2022-11-20 18:19:55,255 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2022-11-20 18:19:55,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 18:19:55,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:55,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:57,333 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:20:16,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:16,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 69 states and 106 transitions. [2022-11-20 18:20:16,116 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 106 transitions. [2022-11-20 18:20:16,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 18:20:16,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:16,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:16,515 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:20:21,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:21,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 73 states and 119 transitions. [2022-11-20 18:20:21,089 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 119 transitions. [2022-11-20 18:20:21,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 18:20:21,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:21,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:21,143 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 18:20:25,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:25,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 75 states and 128 transitions. [2022-11-20 18:20:25,909 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 128 transitions. [2022-11-20 18:20:25,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 18:20:25,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:25,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:29,172 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:20:49,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:49,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 84 states and 144 transitions. [2022-11-20 18:20:49,680 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 144 transitions. [2022-11-20 18:20:49,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 18:20:49,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:49,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:51,886 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:21:07,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:07,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 86 states and 149 transitions. [2022-11-20 18:21:07,921 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 149 transitions. [2022-11-20 18:21:07,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 18:21:07,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:07,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:10,195 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 18:21:39,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:39,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 89 states and 153 transitions. [2022-11-20 18:21:39,683 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 153 transitions. [2022-11-20 18:21:39,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 18:21:39,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:39,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:39,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:39,731 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 18:21:46,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:46,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 92 states and 157 transitions. [2022-11-20 18:21:46,600 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 157 transitions. [2022-11-20 18:21:46,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 18:21:46,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:46,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:50,765 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:22:27,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:22:27,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 105 states and 185 transitions. [2022-11-20 18:22:27,438 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 185 transitions. [2022-11-20 18:22:27,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 18:22:27,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:22:27,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:22:27,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:22:27,617 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:22:41,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:22:41,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 103 states and 179 transitions. [2022-11-20 18:22:41,698 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 179 transitions. [2022-11-20 18:22:41,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 18:22:41,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:22:41,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:22:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:22:48,578 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:23:38,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:23:38,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 116 states and 201 transitions. [2022-11-20 18:23:38,326 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 201 transitions. [2022-11-20 18:23:38,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 18:23:38,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:23:38,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:23:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:23:39,048 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 18:23:46,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:23:46,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 119 states and 208 transitions. [2022-11-20 18:23:46,739 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 208 transitions. [2022-11-20 18:23:46,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 18:23:46,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:23:46,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:23:46,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:23:47,450 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-20 18:23:55,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:23:55,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 122 states and 213 transitions. [2022-11-20 18:23:55,203 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 213 transitions. [2022-11-20 18:23:55,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 18:23:55,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:23:55,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:23:55,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:23:55,338 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 18:23:58,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:23:58,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 124 states and 215 transitions. [2022-11-20 18:23:58,868 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 215 transitions. [2022-11-20 18:23:58,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 18:23:58,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:23:58,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:23:58,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:23:58,934 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-20 18:24:01,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:24:01,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 123 states and 207 transitions. [2022-11-20 18:24:01,701 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 207 transitions. [2022-11-20 18:24:01,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 18:24:01,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:24:01,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:24:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:24:08,964 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:24:54,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:24:54,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 136 states and 234 transitions. [2022-11-20 18:24:54,788 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 234 transitions. [2022-11-20 18:24:54,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 18:24:54,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:24:54,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:24:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:24:57,651 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:25:17,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:17,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 141 states and 243 transitions. [2022-11-20 18:25:17,137 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 243 transitions. [2022-11-20 18:25:17,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 18:25:17,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:25:17,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:25:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:25:26,374 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:26:17,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:17,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 151 states and 262 transitions. [2022-11-20 18:26:17,037 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 262 transitions. [2022-11-20 18:26:17,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 18:26:17,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:17,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:23,226 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:27:14,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:27:14,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 157 states and 275 transitions. [2022-11-20 18:27:14,919 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 275 transitions. [2022-11-20 18:27:14,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 18:27:14,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:27:14,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:27:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:27:15,022 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-20 18:27:33,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:27:33,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 163 states and 284 transitions. [2022-11-20 18:27:33,150 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 284 transitions. [2022-11-20 18:27:33,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 18:27:33,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:27:33,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:27:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:27:34,265 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 18:27:54,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:27:54,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 169 states and 296 transitions. [2022-11-20 18:27:54,964 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 296 transitions. [2022-11-20 18:27:54,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 18:27:54,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:27:54,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:27:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:02,799 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:28:41,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:41,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 178 states and 316 transitions. [2022-11-20 18:28:41,848 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 316 transitions. [2022-11-20 18:28:41,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 18:28:41,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:41,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:44,535 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:28:54,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:54,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 180 states and 321 transitions. [2022-11-20 18:28:54,989 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 321 transitions. [2022-11-20 18:28:54,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 18:28:54,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:54,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:55,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:57,966 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 18:29:21,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:29:21,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 185 states and 332 transitions. [2022-11-20 18:29:21,613 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 332 transitions. [2022-11-20 18:29:21,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 18:29:21,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:29:21,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:29:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:29:26,818 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 18:29:51,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:29:51,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 189 states and 340 transitions. [2022-11-20 18:29:51,443 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 340 transitions. [2022-11-20 18:29:51,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 18:29:51,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:29:51,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:29:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:29:55,598 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:30:05,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:30:05,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 186 states and 333 transitions. [2022-11-20 18:30:05,053 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 333 transitions. [2022-11-20 18:30:05,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 18:30:05,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:30:05,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:30:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:30:05,368 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:30:19,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:30:19,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 186 states and 331 transitions. [2022-11-20 18:30:19,987 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 331 transitions. [2022-11-20 18:30:19,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 18:30:19,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:30:19,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:30:20,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:30:20,065 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 18:31:09,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:31:09,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 199 states and 358 transitions. [2022-11-20 18:31:09,288 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 358 transitions. [2022-11-20 18:31:09,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 18:31:09,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:31:09,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:31:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:31:09,425 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 18:31:38,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:31:38,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 201 states and 363 transitions. [2022-11-20 18:31:38,185 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 363 transitions. [2022-11-20 18:31:38,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 18:31:38,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:31:38,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:31:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:31:38,346 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 18:31:43,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:31:43,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 201 states and 362 transitions. [2022-11-20 18:31:43,563 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 362 transitions. [2022-11-20 18:31:43,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 18:31:43,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:31:43,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:31:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:31:43,721 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 18:31:52,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:31:52,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 203 states and 367 transitions. [2022-11-20 18:31:52,811 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 367 transitions. [2022-11-20 18:31:52,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 18:31:52,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:31:52,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:31:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:31:54,045 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.