./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_ground-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28602b4d-7604-4255-b64c-0a4a66a1734c/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28602b4d-7604-4255-b64c-0a4a66a1734c/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_28602b4d-7604-4255-b64c-0a4a66a1734c/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28602b4d-7604-4255-b64c-0a4a66a1734c/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_ground-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28602b4d-7604-4255-b64c-0a4a66a1734c/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28602b4d-7604-4255-b64c-0a4a66a1734c/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4c9c46abbea18888bba6501dfe6c704a11e8fe399c985999e1e07c66bb12b728 --- 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 16:37:50,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:37:50,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:37:50,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:37:50,387 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:37:50,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:37:50,390 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:37:50,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:37:50,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:37:50,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:37:50,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:37:50,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:37:50,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:37:50,401 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:37:50,402 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:37:50,404 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:37:50,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:37:50,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:37:50,408 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:37:50,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:37:50,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:37:50,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:37:50,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:37:50,416 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:37:50,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:37:50,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:37:50,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:37:50,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:37:50,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:37:50,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:37:50,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:37:50,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:37:50,428 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:37:50,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:37:50,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:37:50,431 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:37:50,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:37:50,432 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:37:50,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:37:50,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:37:50,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:37:50,435 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28602b4d-7604-4255-b64c-0a4a66a1734c/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:37:50,481 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:37:50,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:37:50,486 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:37:50,486 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:37:50,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:37:50,487 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:37:50,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:37:50,488 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:37:50,488 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:37:50,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:37:50,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:37:50,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:37:50,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:37:50,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:37:50,491 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:37:50,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:37:50,491 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:37:50,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:37:50,492 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:37:50,492 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:37:50,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:37:50,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:37:50,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:37:50,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:37:50,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:37:50,502 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:37:50,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:37:50,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:37:50,503 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_28602b4d-7604-4255-b64c-0a4a66a1734c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28602b4d-7604-4255-b64c-0a4a66a1734c/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c9c46abbea18888bba6501dfe6c704a11e8fe399c985999e1e07c66bb12b728 [2022-10-17 16:37:50,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:37:50,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:37:50,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:37:50,825 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:37:50,827 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:37:50,828 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28602b4d-7604-4255-b64c-0a4a66a1734c/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_ground-1.i [2022-10-17 16:37:50,901 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28602b4d-7604-4255-b64c-0a4a66a1734c/bin/ukojak-92XMlrwhuB/data/5bc28a005/3150494a26f34d3994d2f5aa6337ce93/FLAG7bf2a9a41 [2022-10-17 16:37:51,336 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:37:51,337 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28602b4d-7604-4255-b64c-0a4a66a1734c/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_ground-1.i [2022-10-17 16:37:51,356 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28602b4d-7604-4255-b64c-0a4a66a1734c/bin/ukojak-92XMlrwhuB/data/5bc28a005/3150494a26f34d3994d2f5aa6337ce93/FLAG7bf2a9a41 [2022-10-17 16:37:51,723 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28602b4d-7604-4255-b64c-0a4a66a1734c/bin/ukojak-92XMlrwhuB/data/5bc28a005/3150494a26f34d3994d2f5aa6337ce93 [2022-10-17 16:37:51,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:37:51,729 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:37:51,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:37:51,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:37:51,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:37:51,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:37:51" (1/1) ... [2022-10-17 16:37:51,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74682f29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:51, skipping insertion in model container [2022-10-17 16:37:51,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:37:51" (1/1) ... [2022-10-17 16:37:51,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:37:51,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:37:51,964 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28602b4d-7604-4255-b64c-0a4a66a1734c/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_ground-1.i[832,845] [2022-10-17 16:37:52,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:37:52,009 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:37:52,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28602b4d-7604-4255-b64c-0a4a66a1734c/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_ground-1.i[832,845] [2022-10-17 16:37:52,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:37:52,048 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:37:52,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:52 WrapperNode [2022-10-17 16:37:52,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:37:52,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:37:52,050 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:37:52,050 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:37:52,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:52" (1/1) ... [2022-10-17 16:37:52,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:52" (1/1) ... [2022-10-17 16:37:52,091 INFO L138 Inliner]: procedures = 18, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 137 [2022-10-17 16:37:52,094 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:37:52,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:37:52,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:37:52,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:37:52,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:52" (1/1) ... [2022-10-17 16:37:52,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:52" (1/1) ... [2022-10-17 16:37:52,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:52" (1/1) ... [2022-10-17 16:37:52,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:52" (1/1) ... [2022-10-17 16:37:52,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:52" (1/1) ... [2022-10-17 16:37:52,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:52" (1/1) ... [2022-10-17 16:37:52,137 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:52" (1/1) ... [2022-10-17 16:37:52,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:52" (1/1) ... [2022-10-17 16:37:52,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:37:52,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:37:52,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:37:52,143 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:37:52,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:52" (1/1) ... [2022-10-17 16:37:52,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:37:52,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28602b4d-7604-4255-b64c-0a4a66a1734c/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:37:52,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28602b4d-7604-4255-b64c-0a4a66a1734c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:37:52,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28602b4d-7604-4255-b64c-0a4a66a1734c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:37:52,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:37:52,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:37:52,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:37:52,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:37:52,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:37:52,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:37:52,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:37:52,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:37:52,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:37:52,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:37:52,373 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:37:52,375 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:37:52,700 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:37:52,811 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:37:52,811 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-10-17 16:37:52,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:37:52 BoogieIcfgContainer [2022-10-17 16:37:52,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:37:52,816 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:37:52,816 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:37:52,827 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:37:52,828 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:37:52" (1/1) ... [2022-10-17 16:37:52,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:37:52,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:52,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2022-10-17 16:37:52,916 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2022-10-17 16:37:52,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:37:52,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:52,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:53,104 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 16:37:53,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:53,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2022-10-17 16:37:53,159 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2022-10-17 16:37:53,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:37:53,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:53,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:53,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:53,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:53,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2022-10-17 16:37:53,364 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2022-10-17 16:37:53,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:37:53,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:53,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:53,534 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:37:53,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:53,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 21 states and 29 transitions. [2022-10-17 16:37:53,732 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2022-10-17 16:37:53,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:37:53,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:53,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:53,797 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:37:53,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:53,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 31 transitions. [2022-10-17 16:37:53,839 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2022-10-17 16:37:53,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:37:53,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:53,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:53,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:37:54,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:54,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 23 states and 33 transitions. [2022-10-17 16:37:54,042 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2022-10-17 16:37:54,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:37:54,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:54,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:54,138 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:37:54,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:54,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 24 states and 35 transitions. [2022-10-17 16:37:54,182 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2022-10-17 16:37:54,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:37:54,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:54,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:54,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:54,261 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:37:54,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:54,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 27 states and 42 transitions. [2022-10-17 16:37:54,291 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2022-10-17 16:37:54,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:37:54,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:54,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:54,448 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:37:54,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:54,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 29 states and 46 transitions. [2022-10-17 16:37:54,856 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2022-10-17 16:37:54,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:37:54,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:54,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:54,984 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:37:55,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:55,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 30 states and 47 transitions. [2022-10-17 16:37:55,135 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2022-10-17 16:37:55,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:37:55,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:55,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:55,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:55,268 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:37:55,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:55,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 31 states and 48 transitions. [2022-10-17 16:37:55,417 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2022-10-17 16:37:55,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:37:55,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:55,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:55,560 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:37:55,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:55,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 32 states and 49 transitions. [2022-10-17 16:37:55,722 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2022-10-17 16:37:55,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:37:55,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:55,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:55,855 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:37:56,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:56,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 33 states and 50 transitions. [2022-10-17 16:37:56,050 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2022-10-17 16:37:56,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:37:56,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:56,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:56,188 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:37:56,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:56,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 51 transitions. [2022-10-17 16:37:56,375 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 51 transitions. [2022-10-17 16:37:56,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:37:56,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:56,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:56,542 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:37:56,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:56,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 35 states and 52 transitions. [2022-10-17 16:37:56,741 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2022-10-17 16:37:56,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:37:56,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:56,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:56,909 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:37:57,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:57,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 36 states and 53 transitions. [2022-10-17 16:37:57,115 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2022-10-17 16:37:57,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:37:57,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:57,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:57,294 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:37:57,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:57,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 54 transitions. [2022-10-17 16:37:57,508 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2022-10-17 16:37:57,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:37:57,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:57,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:57,708 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:37:57,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:57,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 38 states and 55 transitions. [2022-10-17 16:37:57,965 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 55 transitions. [2022-10-17 16:37:57,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:37:57,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:57,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:58,186 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:37:58,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:58,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 39 states and 56 transitions. [2022-10-17 16:37:58,427 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2022-10-17 16:37:58,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:37:58,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:58,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:58,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:58,662 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:37:58,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:58,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 40 states and 57 transitions. [2022-10-17 16:37:58,938 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2022-10-17 16:37:58,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:37:58,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:58,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:59,228 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:37:59,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:59,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 41 states and 58 transitions. [2022-10-17 16:37:59,501 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2022-10-17 16:37:59,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:37:59,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:59,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:59,759 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:38:00,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:00,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 42 states and 59 transitions. [2022-10-17 16:38:00,042 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2022-10-17 16:38:00,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:38:00,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:00,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:00,305 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:38:00,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:00,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 43 states and 60 transitions. [2022-10-17 16:38:00,591 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2022-10-17 16:38:00,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:38:00,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:00,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:00,913 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:38:01,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:01,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 44 states and 61 transitions. [2022-10-17 16:38:01,231 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 61 transitions. [2022-10-17 16:38:01,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:38:01,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:01,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:01,579 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:38:01,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:01,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 45 states and 62 transitions. [2022-10-17 16:38:01,894 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 62 transitions. [2022-10-17 16:38:01,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:38:01,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:01,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:02,223 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:38:02,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:02,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 46 states and 63 transitions. [2022-10-17 16:38:02,538 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2022-10-17 16:38:02,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:38:02,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:02,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:02,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:02,866 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:38:03,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:03,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 64 transitions. [2022-10-17 16:38:03,211 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 64 transitions. [2022-10-17 16:38:03,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:38:03,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:03,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:03,610 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:38:03,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:03,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 48 states and 65 transitions. [2022-10-17 16:38:03,941 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2022-10-17 16:38:03,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:38:03,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:03,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:04,296 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:38:04,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:04,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 49 states and 66 transitions. [2022-10-17 16:38:04,633 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 66 transitions. [2022-10-17 16:38:04,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:38:04,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:04,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:05,064 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:38:05,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:05,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 50 states and 67 transitions. [2022-10-17 16:38:05,423 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-10-17 16:38:05,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:38:05,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:05,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:05,864 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:38:06,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:06,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 51 states and 68 transitions. [2022-10-17 16:38:06,222 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2022-10-17 16:38:06,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:38:06,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:06,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:06,665 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:38:07,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:07,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 52 states and 69 transitions. [2022-10-17 16:38:07,050 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2022-10-17 16:38:07,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:38:07,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:07,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:07,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:07,445 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:38:07,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:07,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 53 states and 70 transitions. [2022-10-17 16:38:07,837 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2022-10-17 16:38:07,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:38:07,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:07,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:08,240 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:38:08,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:08,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 54 states and 71 transitions. [2022-10-17 16:38:08,641 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2022-10-17 16:38:08,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:38:08,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:08,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:09,107 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:38:09,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:09,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 55 states and 72 transitions. [2022-10-17 16:38:09,532 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2022-10-17 16:38:09,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:38:09,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:09,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:10,002 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:38:10,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:10,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 56 states and 73 transitions. [2022-10-17 16:38:10,430 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2022-10-17 16:38:10,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:38:10,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:10,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:10,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:10,919 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:38:11,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:11,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 57 states and 74 transitions. [2022-10-17 16:38:11,338 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2022-10-17 16:38:11,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:38:11,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:11,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:11,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:11,856 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:38:12,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:12,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 58 states and 75 transitions. [2022-10-17 16:38:12,323 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2022-10-17 16:38:12,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:38:12,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:12,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:12,868 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:38:13,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:13,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 59 states and 76 transitions. [2022-10-17 16:38:13,324 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2022-10-17 16:38:13,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:38:13,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:13,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:13,885 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:38:14,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:14,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 60 states and 77 transitions. [2022-10-17 16:38:14,357 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2022-10-17 16:38:14,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:38:14,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:14,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:14,936 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:38:15,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:15,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 61 states and 78 transitions. [2022-10-17 16:38:15,422 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2022-10-17 16:38:15,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:38:15,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:15,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:15,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:15,999 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:38:16,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:16,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 62 states and 79 transitions. [2022-10-17 16:38:16,441 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2022-10-17 16:38:16,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:38:16,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:16,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:17,027 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:38:17,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:17,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 63 states and 80 transitions. [2022-10-17 16:38:17,494 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2022-10-17 16:38:17,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:38:17,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:17,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:18,160 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:38:18,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:18,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 64 states and 81 transitions. [2022-10-17 16:38:18,619 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2022-10-17 16:38:18,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:38:18,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:18,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:19,188 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.