./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8b6066-572a-4c3f-b0f0-cb0afe61ec60/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8b6066-572a-4c3f-b0f0-cb0afe61ec60/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8b6066-572a-4c3f-b0f0-cb0afe61ec60/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8b6066-572a-4c3f-b0f0-cb0afe61ec60/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8b6066-572a-4c3f-b0f0-cb0afe61ec60/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8b6066-572a-4c3f-b0f0-cb0afe61ec60/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0d6528b7cc69fe4ab1ae178e84639571fa28bd084493b226ea467e9ac1e22d5f --- 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-dbf71c6-m [2022-10-17 16:57:40,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:57:40,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:57:40,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:57:40,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:57:40,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:57:40,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:57:40,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:57:40,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:57:40,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:57:40,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:57:40,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:57:40,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:57:40,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:57:40,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:57:40,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:57:40,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:57:40,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:57:40,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:57:40,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:57:40,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:57:40,124 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:57:40,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:57:40,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:57:40,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:57:40,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:57:40,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:57:40,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:57:40,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:57:40,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:57:40,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:57:40,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:57:40,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:57:40,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:57:40,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:57:40,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:57:40,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:57:40,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:57:40,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:57:40,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:57:40,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:57:40,153 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8b6066-572a-4c3f-b0f0-cb0afe61ec60/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-10-17 16:57:40,192 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:57:40,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:57:40,194 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:57:40,194 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:57:40,194 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:57:40,195 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:57:40,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:57:40,195 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:57:40,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:57:40,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:57:40,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:57:40,197 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:57:40,197 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:57:40,197 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 16:57:40,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:57:40,197 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:57:40,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:57:40,198 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:57:40,198 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:57:40,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:57:40,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:57:40,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:57:40,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:57:40,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:57:40,199 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:57:40,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:57:40,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:57:40,200 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_4c8b6066-572a-4c3f-b0f0-cb0afe61ec60/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8b6066-572a-4c3f-b0f0-cb0afe61ec60/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d6528b7cc69fe4ab1ae178e84639571fa28bd084493b226ea467e9ac1e22d5f [2022-10-17 16:57:40,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:57:40,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:57:40,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:57:40,512 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:57:40,513 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:57:40,515 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8b6066-572a-4c3f-b0f0-cb0afe61ec60/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig2.c [2022-10-17 16:57:40,592 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8b6066-572a-4c3f-b0f0-cb0afe61ec60/bin/ukojak-92XMlrwhuB/data/2acb8d7af/a52f5e49d4334d509880d306e7888402/FLAGcd8d5a7f2 [2022-10-17 16:57:40,984 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:57:40,985 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8b6066-572a-4c3f-b0f0-cb0afe61ec60/sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig2.c [2022-10-17 16:57:40,991 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8b6066-572a-4c3f-b0f0-cb0afe61ec60/bin/ukojak-92XMlrwhuB/data/2acb8d7af/a52f5e49d4334d509880d306e7888402/FLAGcd8d5a7f2 [2022-10-17 16:57:41,401 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8b6066-572a-4c3f-b0f0-cb0afe61ec60/bin/ukojak-92XMlrwhuB/data/2acb8d7af/a52f5e49d4334d509880d306e7888402 [2022-10-17 16:57:41,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:57:41,405 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:57:41,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:57:41,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:57:41,411 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:57:41,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:57:41" (1/1) ... [2022-10-17 16:57:41,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e0dcf57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:41, skipping insertion in model container [2022-10-17 16:57:41,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:57:41" (1/1) ... [2022-10-17 16:57:41,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:57:41,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:57:41,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:57:41,615 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:57:41,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:57:41,640 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:57:41,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:41 WrapperNode [2022-10-17 16:57:41,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:57:41,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:57:41,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:57:41,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:57:41,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:41" (1/1) ... [2022-10-17 16:57:41,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:41" (1/1) ... [2022-10-17 16:57:41,672 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2022-10-17 16:57:41,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:57:41,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:57:41,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:57:41,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:57:41,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:41" (1/1) ... [2022-10-17 16:57:41,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:41" (1/1) ... [2022-10-17 16:57:41,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:41" (1/1) ... [2022-10-17 16:57:41,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:41" (1/1) ... [2022-10-17 16:57:41,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:41" (1/1) ... [2022-10-17 16:57:41,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:41" (1/1) ... [2022-10-17 16:57:41,690 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:41" (1/1) ... [2022-10-17 16:57:41,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:41" (1/1) ... [2022-10-17 16:57:41,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:57:41,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:57:41,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:57:41,693 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:57:41,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:41" (1/1) ... [2022-10-17 16:57:41,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:57:41,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8b6066-572a-4c3f-b0f0-cb0afe61ec60/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:57:41,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8b6066-572a-4c3f-b0f0-cb0afe61ec60/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:57:41,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c8b6066-572a-4c3f-b0f0-cb0afe61ec60/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:57:41,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:57:41,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:57:41,849 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:57:41,851 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:57:41,999 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:57:42,025 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:57:42,026 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:57:42,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:57:42 BoogieIcfgContainer [2022-10-17 16:57:42,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:57:42,031 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:57:42,031 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:57:42,042 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:57:42,042 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:57:42" (1/1) ... [2022-10-17 16:57:42,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:57:42,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:42,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2022-10-17 16:57:42,114 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-10-17 16:57:42,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:57:42,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:42,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:42,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:42,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:42,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2022-10-17 16:57:42,353 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2022-10-17 16:57:42,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:57:42,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:42,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:42,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:42,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:42,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2022-10-17 16:57:42,596 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2022-10-17 16:57:42,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:57:42,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:42,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:42,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:42,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:42,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2022-10-17 16:57:42,854 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2022-10-17 16:57:42,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:57:42,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:42,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:42,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:43,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:43,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2022-10-17 16:57:43,093 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2022-10-17 16:57:43,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:57:43,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:43,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:43,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:43,170 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:43,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:43,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2022-10-17 16:57:43,257 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2022-10-17 16:57:43,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:57:43,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:43,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:43,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:57:43,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:43,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2022-10-17 16:57:43,473 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2022-10-17 16:57:43,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:57:43,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:43,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:43,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:57:43,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:43,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2022-10-17 16:57:43,624 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2022-10-17 16:57:43,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:57:43,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:43,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:43,720 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 16:57:44,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:44,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2022-10-17 16:57:44,112 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2022-10-17 16:57:44,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:57:44,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:44,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:44,136 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 16:57:44,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:44,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2022-10-17 16:57:44,342 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2022-10-17 16:57:44,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:57:44,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:44,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:44,385 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:57:44,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:44,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2022-10-17 16:57:44,480 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2022-10-17 16:57:44,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:57:44,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:44,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:44,504 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:57:44,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:44,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2022-10-17 16:57:44,608 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-10-17 16:57:44,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:57:44,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:44,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:44,665 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:57:44,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:44,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2022-10-17 16:57:44,810 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2022-10-17 16:57:44,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:57:44,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:44,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:44,939 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:57:45,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:45,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2022-10-17 16:57:45,152 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2022-10-17 16:57:45,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:57:45,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:45,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:45,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:45,217 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 15 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:57:45,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:45,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2022-10-17 16:57:45,432 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2022-10-17 16:57:45,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:57:45,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:45,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:45,548 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 19 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:57:45,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:45,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 36 states and 43 transitions. [2022-10-17 16:57:45,786 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2022-10-17 16:57:45,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:57:45,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:45,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:45,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:45,896 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 23 proven. 40 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:57:46,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:46,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 39 states and 46 transitions. [2022-10-17 16:57:46,135 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2022-10-17 16:57:46,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:57:46,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:46,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:46,242 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 27 proven. 57 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:57:46,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:46,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 42 states and 49 transitions. [2022-10-17 16:57:46,534 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2022-10-17 16:57:46,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:57:46,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:46,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:46,658 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 31 proven. 77 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:57:46,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:46,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 45 states and 52 transitions. [2022-10-17 16:57:46,979 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2022-10-17 16:57:46,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:57:46,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:46,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:46,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:47,106 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 35 proven. 100 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:57:47,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:47,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 48 states and 55 transitions. [2022-10-17 16:57:47,423 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2022-10-17 16:57:47,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:57:47,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:47,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:47,567 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 39 proven. 126 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:57:47,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:47,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 51 states and 58 transitions. [2022-10-17 16:57:47,912 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2022-10-17 16:57:47,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:57:47,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:47,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:48,072 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 43 proven. 155 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:57:48,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:48,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 54 states and 61 transitions. [2022-10-17 16:57:48,434 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2022-10-17 16:57:48,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:57:48,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:48,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:48,599 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 47 proven. 187 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:57:48,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:48,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 57 states and 64 transitions. [2022-10-17 16:57:48,999 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2022-10-17 16:57:48,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:57:48,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:49,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:49,191 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 51 proven. 222 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:57:49,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:49,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 60 states and 67 transitions. [2022-10-17 16:57:49,599 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 67 transitions. [2022-10-17 16:57:49,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:57:49,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:49,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:49,799 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 55 proven. 260 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:57:50,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:50,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 63 states and 70 transitions. [2022-10-17 16:57:50,257 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 70 transitions. [2022-10-17 16:57:50,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:57:50,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:50,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:50,456 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 59 proven. 301 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:57:50,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:50,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 66 states and 73 transitions. [2022-10-17 16:57:50,898 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 73 transitions. [2022-10-17 16:57:50,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:57:50,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:50,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:51,138 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 63 proven. 345 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:57:51,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:51,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 69 states and 76 transitions. [2022-10-17 16:57:51,616 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 76 transitions. [2022-10-17 16:57:51,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:57:51,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:51,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:51,847 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 67 proven. 392 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:57:52,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:52,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 72 states and 79 transitions. [2022-10-17 16:57:52,356 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 79 transitions. [2022-10-17 16:57:52,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 16:57:52,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:52,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:52,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:52,583 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 71 proven. 442 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:57:53,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:53,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 75 states and 82 transitions. [2022-10-17 16:57:53,089 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 82 transitions. [2022-10-17 16:57:53,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-17 16:57:53,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:53,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:53,341 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 75 proven. 495 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:57:53,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:53,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 78 states and 85 transitions. [2022-10-17 16:57:53,894 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 85 transitions. [2022-10-17 16:57:53,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-17 16:57:53,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:53,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:54,132 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 79 proven. 551 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:57:54,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:54,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 81 states and 88 transitions. [2022-10-17 16:57:54,701 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 88 transitions. [2022-10-17 16:57:54,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-17 16:57:54,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:54,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:54,944 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 83 proven. 610 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:57:55,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:55,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 84 states and 91 transitions. [2022-10-17 16:57:55,557 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 91 transitions. [2022-10-17 16:57:55,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 16:57:55,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:55,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:55,824 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 87 proven. 672 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:57:56,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:56,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 87 states and 94 transitions. [2022-10-17 16:57:56,423 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 94 transitions. [2022-10-17 16:57:56,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-17 16:57:56,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:56,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:56,690 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 91 proven. 737 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:57:57,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:57,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 90 states and 97 transitions. [2022-10-17 16:57:57,340 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 97 transitions. [2022-10-17 16:57:57,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-17 16:57:57,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:57,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:57,615 INFO L134 CoverageAnalysis]: Checked inductivity of 902 backedges. 95 proven. 805 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:57:58,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:58,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 93 states and 100 transitions. [2022-10-17 16:57:58,290 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 100 transitions. [2022-10-17 16:57:58,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-17 16:57:58,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:58,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:58,595 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 99 proven. 876 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:57:59,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:59,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 96 states and 103 transitions. [2022-10-17 16:57:59,218 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 103 transitions. [2022-10-17 16:57:59,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-17 16:57:59,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:59,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:59,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 103 proven. 950 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:58:00,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:00,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 99 states and 106 transitions. [2022-10-17 16:58:00,132 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 106 transitions. [2022-10-17 16:58:00,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-17 16:58:00,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:00,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:00,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 107 proven. 1027 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:58:01,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:01,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 102 states and 109 transitions. [2022-10-17 16:58:01,118 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 109 transitions. [2022-10-17 16:58:01,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-17 16:58:01,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:01,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:01,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 111 proven. 1107 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:58:02,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:02,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 105 states and 112 transitions. [2022-10-17 16:58:02,173 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 112 transitions. [2022-10-17 16:58:02,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-17 16:58:02,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:02,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:02,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 115 proven. 1190 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:58:03,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:03,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 108 states and 115 transitions. [2022-10-17 16:58:03,145 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 115 transitions. [2022-10-17 16:58:03,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-17 16:58:03,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:03,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:03,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1397 backedges. 119 proven. 1276 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:58:04,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:04,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 111 states and 118 transitions. [2022-10-17 16:58:04,152 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 118 transitions. [2022-10-17 16:58:04,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-17 16:58:04,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:04,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:04,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1490 backedges. 123 proven. 1365 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:58:05,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:05,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 114 states and 121 transitions. [2022-10-17 16:58:05,202 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 121 transitions. [2022-10-17 16:58:05,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-17 16:58:05,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:05,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:05,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1586 backedges. 127 proven. 1457 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:58:06,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:06,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 117 states and 124 transitions. [2022-10-17 16:58:06,282 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 124 transitions. [2022-10-17 16:58:06,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-17 16:58:06,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:06,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:06,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1685 backedges. 131 proven. 1552 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:58:07,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:07,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 120 states and 127 transitions. [2022-10-17 16:58:07,541 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 127 transitions. [2022-10-17 16:58:07,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-17 16:58:07,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:07,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:08,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1787 backedges. 135 proven. 1650 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:58:08,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:08,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 123 states and 130 transitions. [2022-10-17 16:58:08,870 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 130 transitions. [2022-10-17 16:58:08,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-17 16:58:08,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:08,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:09,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 139 proven. 1751 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.