./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstpncpy-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1327799-a9f8-43cb-8e82-3e50d201c894/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1327799-a9f8-43cb-8e82-3e50d201c894/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1327799-a9f8-43cb-8e82-3e50d201c894/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1327799-a9f8-43cb-8e82-3e50d201c894/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstpncpy-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1327799-a9f8-43cb-8e82-3e50d201c894/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1327799-a9f8-43cb-8e82-3e50d201c894/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ddb0eb207fb72f46b2f9a0f11e334a77be9b4b455314fd1b26a90347e4178746 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:45:39,016 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:45:39,081 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1327799-a9f8-43cb-8e82-3e50d201c894/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-12-03 04:45:39,085 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:45:39,085 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:45:39,107 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:45:39,108 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:45:39,108 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:45:39,109 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:45:39,109 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:45:39,110 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:45:39,110 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 04:45:39,111 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 04:45:39,111 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-03 04:45:39,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:45:39,112 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:45:39,113 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:45:39,113 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:45:39,114 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:45:39,114 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:45:39,115 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:45:39,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:45:39,117 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:45:39,117 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:45:39,118 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:45:39,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:45:39,118 INFO L153 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_c1327799-a9f8-43cb-8e82-3e50d201c894/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1327799-a9f8-43cb-8e82-3e50d201c894/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddb0eb207fb72f46b2f9a0f11e334a77be9b4b455314fd1b26a90347e4178746 [2023-12-03 04:45:39,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:45:39,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:45:39,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:45:39,360 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:45:39,361 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:45:39,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1327799-a9f8-43cb-8e82-3e50d201c894/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstpncpy-alloca-2.i [2023-12-03 04:45:42,072 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:45:42,277 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:45:42,278 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1327799-a9f8-43cb-8e82-3e50d201c894/sv-benchmarks/c/termination-memory-alloca/openbsd_cstpncpy-alloca-2.i [2023-12-03 04:45:42,293 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1327799-a9f8-43cb-8e82-3e50d201c894/bin/ukojak-verify-Qdu7aM0XO9/data/754ddeb46/bbef2a4689e3452e9305b9e3af9947b4/FLAG80adce153 [2023-12-03 04:45:42,308 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1327799-a9f8-43cb-8e82-3e50d201c894/bin/ukojak-verify-Qdu7aM0XO9/data/754ddeb46/bbef2a4689e3452e9305b9e3af9947b4 [2023-12-03 04:45:42,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:45:42,313 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:45:42,314 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:45:42,314 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:45:42,319 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:45:42,320 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:45:42" (1/1) ... [2023-12-03 04:45:42,321 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@650a9cbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:42, skipping insertion in model container [2023-12-03 04:45:42,322 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:45:42" (1/1) ... [2023-12-03 04:45:42,368 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:45:42,632 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:45:42,644 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:45:42,683 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:45:42,712 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:45:42,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:42 WrapperNode [2023-12-03 04:45:42,713 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:45:42,714 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:45:42,714 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:45:42,714 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:45:42,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:42" (1/1) ... [2023-12-03 04:45:42,735 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:42" (1/1) ... [2023-12-03 04:45:42,758 INFO L138 Inliner]: procedures = 113, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2023-12-03 04:45:42,758 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:45:42,759 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:45:42,759 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:45:42,759 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:45:42,768 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:42" (1/1) ... [2023-12-03 04:45:42,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:42" (1/1) ... [2023-12-03 04:45:42,772 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:42" (1/1) ... [2023-12-03 04:45:42,772 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:42" (1/1) ... [2023-12-03 04:45:42,779 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:42" (1/1) ... [2023-12-03 04:45:42,782 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:42" (1/1) ... [2023-12-03 04:45:42,784 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:42" (1/1) ... [2023-12-03 04:45:42,786 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:42" (1/1) ... [2023-12-03 04:45:42,788 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:45:42,789 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:45:42,789 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:45:42,790 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:45:42,790 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:45:42" (1/1) ... [2023-12-03 04:45:42,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:45:42,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1327799-a9f8-43cb-8e82-3e50d201c894/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:45:42,819 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1327799-a9f8-43cb-8e82-3e50d201c894/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:45:42,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1327799-a9f8-43cb-8e82-3e50d201c894/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:45:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 04:45:42,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 04:45:42,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 04:45:42,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:45:42,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 04:45:42,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:45:42,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:45:42,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:45:42,954 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:45:42,956 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:45:43,172 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:45:43,231 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:45:43,232 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 04:45:43,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:45:43 BoogieIcfgContainer [2023-12-03 04:45:43,233 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:45:43,234 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:45:43,234 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:45:43,242 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:45:43,242 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:45:43" (1/1) ... [2023-12-03 04:45:43,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:45:43,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:43,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 41 states and 46 transitions. [2023-12-03 04:45:43,298 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2023-12-03 04:45:43,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-03 04:45:43,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:43,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:43,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:43,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:43,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:43,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 40 states and 45 transitions. [2023-12-03 04:45:43,555 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2023-12-03 04:45:43,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-03 04:45:43,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:43,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:43,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:43,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:43,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 39 states and 44 transitions. [2023-12-03 04:45:43,934 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2023-12-03 04:45:43,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 04:45:43,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:43,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:44,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:44,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:44,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 38 states and 43 transitions. [2023-12-03 04:45:44,034 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2023-12-03 04:45:44,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 04:45:44,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:44,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:44,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:44,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:44,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 37 states and 42 transitions. [2023-12-03 04:45:44,236 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2023-12-03 04:45:44,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 04:45:44,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:44,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:44,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:44,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:44,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 38 states and 44 transitions. [2023-12-03 04:45:44,290 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2023-12-03 04:45:44,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 04:45:44,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:44,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:44,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:44,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:44,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 39 states and 46 transitions. [2023-12-03 04:45:44,532 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2023-12-03 04:45:44,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 04:45:44,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:44,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:44,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:44,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:44,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:44,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 38 states and 45 transitions. [2023-12-03 04:45:44,572 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2023-12-03 04:45:44,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 04:45:44,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:44,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:44,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:44,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:44,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:44,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 37 states and 44 transitions. [2023-12-03 04:45:44,628 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2023-12-03 04:45:44,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 04:45:44,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:44,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:44,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:44,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:45,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:45,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 37 states and 43 transitions. [2023-12-03 04:45:45,490 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2023-12-03 04:45:45,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 04:45:45,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:45,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:45,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:45,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:45,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:45,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 36 states and 42 transitions. [2023-12-03 04:45:45,530 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2023-12-03 04:45:45,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 04:45:45,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:45,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:45,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:45,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:45,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 35 states and 41 transitions. [2023-12-03 04:45:45,591 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2023-12-03 04:45:45,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:45:45,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:45,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:45,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:45,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:45,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 34 states and 40 transitions. [2023-12-03 04:45:45,631 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2023-12-03 04:45:45,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:45:45,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:45,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:45,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:45,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:45,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2023-12-03 04:45:45,690 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2023-12-03 04:45:45,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 04:45:45,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:45,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:45,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:45,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:46,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:46,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 35 states and 41 transitions. [2023-12-03 04:45:46,980 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2023-12-03 04:45:46,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 04:45:46,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:46,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:47,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:49,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:49,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 37 states and 44 transitions. [2023-12-03 04:45:49,911 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2023-12-03 04:45:49,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:45:49,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:49,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:50,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:53,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:53,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 40 states and 49 transitions. [2023-12-03 04:45:53,341 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2023-12-03 04:45:53,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:45:53,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:53,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:54,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:58,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:58,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 43 states and 54 transitions. [2023-12-03 04:45:58,555 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2023-12-03 04:45:58,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 04:45:58,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:58,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:58,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:59,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:59,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2023-12-03 04:45:59,755 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2023-12-03 04:45:59,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 04:45:59,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:59,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:59,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:46:00,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:00,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 53 states and 72 transitions. [2023-12-03 04:46:00,857 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2023-12-03 04:46:00,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 04:46:00,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:00,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:46:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:00,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:46:00,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:00,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 55 states and 77 transitions. [2023-12-03 04:46:00,921 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2023-12-03 04:46:00,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 04:46:00,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:00,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:46:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:00,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:46:00,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:00,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 83 transitions. [2023-12-03 04:46:00,997 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 83 transitions. [2023-12-03 04:46:00,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 04:46:00,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:00,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:46:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:02,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:46:10,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:10,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 64 states and 97 transitions. [2023-12-03 04:46:10,548 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 97 transitions. [2023-12-03 04:46:10,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 04:46:10,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:10,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:46:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:10,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:46:13,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:13,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 67 states and 104 transitions. [2023-12-03 04:46:13,683 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 104 transitions. [2023-12-03 04:46:13,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 04:46:13,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:13,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:46:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:14,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:46:17,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:17,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 73 states and 121 transitions. [2023-12-03 04:46:17,070 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 121 transitions. [2023-12-03 04:46:17,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 04:46:17,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:17,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:46:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:19,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:46:34,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:34,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 81 states and 146 transitions. [2023-12-03 04:46:34,719 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 146 transitions. [2023-12-03 04:46:34,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 04:46:34,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:34,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:46:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:35,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:46:49,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:49,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 89 states and 169 transitions. [2023-12-03 04:46:49,152 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 169 transitions. [2023-12-03 04:46:49,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 04:46:49,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:49,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:46:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:52,241 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:47:10,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:10,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 97 states and 191 transitions. [2023-12-03 04:47:10,016 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 191 transitions. [2023-12-03 04:47:10,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 04:47:10,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:10,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:47:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:10,070 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:47:13,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:13,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 100 states and 198 transitions. [2023-12-03 04:47:13,681 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 198 transitions. [2023-12-03 04:47:13,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 04:47:13,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:13,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:47:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:13,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:47:16,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:16,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 102 states and 203 transitions. [2023-12-03 04:47:16,283 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 203 transitions. [2023-12-03 04:47:16,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 04:47:16,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:16,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:47:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:16,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:47:18,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:18,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 104 states and 208 transitions. [2023-12-03 04:47:18,674 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 208 transitions. [2023-12-03 04:47:18,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 04:47:18,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:18,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:47:18,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:19,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:47:26,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:26,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 107 states and 216 transitions. [2023-12-03 04:47:26,264 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 216 transitions. [2023-12-03 04:47:26,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 04:47:26,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:26,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:47:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:26,306 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:47:29,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:29,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 110 states and 221 transitions. [2023-12-03 04:47:29,251 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 221 transitions. [2023-12-03 04:47:29,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 04:47:29,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:29,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:47:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:29,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:47:32,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:32,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 113 states and 224 transitions. [2023-12-03 04:47:32,630 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 224 transitions. [2023-12-03 04:47:32,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 04:47:32,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:32,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:47:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:38,775 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:48:10,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:10,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 121 states and 261 transitions. [2023-12-03 04:48:10,225 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 261 transitions. [2023-12-03 04:48:10,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 04:48:10,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:10,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:48:10,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:10,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:48:13,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:13,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 123 states and 267 transitions. [2023-12-03 04:48:13,756 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 267 transitions. [2023-12-03 04:48:13,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 04:48:13,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:13,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:48:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:13,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:48:17,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:17,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 125 states and 273 transitions. [2023-12-03 04:48:17,560 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 273 transitions. [2023-12-03 04:48:17,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 04:48:17,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:17,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:48:17,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:17,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:48:19,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:19,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 126 states and 278 transitions. [2023-12-03 04:48:19,525 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 278 transitions. [2023-12-03 04:48:19,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 04:48:19,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:19,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:48:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:19,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:48:21,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:21,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 127 states and 280 transitions. [2023-12-03 04:48:21,480 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 280 transitions. [2023-12-03 04:48:21,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 04:48:21,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:21,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:48:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:21,533 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:48:24,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:24,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 128 states and 282 transitions. [2023-12-03 04:48:24,090 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 282 transitions. [2023-12-03 04:48:24,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 04:48:24,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:24,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:48:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:29,851 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:49:00,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:00,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 136 states and 310 transitions. [2023-12-03 04:49:00,738 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 310 transitions. [2023-12-03 04:49:00,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 04:49:00,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:00,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:49:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:01,081 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:49:03,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:03,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 137 states and 313 transitions. [2023-12-03 04:49:03,716 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 313 transitions. [2023-12-03 04:49:03,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 04:49:03,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:03,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:49:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:03,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:49:08,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:08,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 139 states and 319 transitions. [2023-12-03 04:49:08,831 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 319 transitions. [2023-12-03 04:49:08,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 04:49:08,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:08,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:49:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:09,506 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 04:49:14,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:14,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 142 states and 325 transitions. [2023-12-03 04:49:14,984 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 325 transitions. [2023-12-03 04:49:14,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 04:49:14,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:14,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:49:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:15,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:49:18,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:18,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 143 states and 331 transitions. [2023-12-03 04:49:18,936 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 331 transitions. [2023-12-03 04:49:18,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 04:49:18,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:18,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:49:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:24,481 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:50:12,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:12,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 153 states and 367 transitions. [2023-12-03 04:50:12,324 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 367 transitions. [2023-12-03 04:50:12,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 04:50:12,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:12,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:50:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:19,336 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:50:46,470 WARN L293 SmtUtils]: Spent 7.71s on a formula simplification. DAG size of input: 86 DAG size of output: 76 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:51:02,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:02,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 157 states and 380 transitions. [2023-12-03 04:51:02,275 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 380 transitions. [2023-12-03 04:51:02,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 04:51:02,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:02,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:51:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:02,315 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:51:05,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:05,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 158 states and 380 transitions. [2023-12-03 04:51:05,235 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 380 transitions. [2023-12-03 04:51:05,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 04:51:05,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:05,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:51:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:05,437 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 04:51:08,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:08,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 159 states and 384 transitions. [2023-12-03 04:51:08,680 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 384 transitions. [2023-12-03 04:51:08,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 04:51:08,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:08,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:51:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:09,320 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:51:12,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:12,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 159 states and 383 transitions. [2023-12-03 04:51:12,233 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 383 transitions. [2023-12-03 04:51:12,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 04:51:12,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:12,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:51:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:20,921 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:52:03,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:52:03,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 168 states and 440 transitions. [2023-12-03 04:52:03,300 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 440 transitions. [2023-12-03 04:52:03,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 04:52:03,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:52:03,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:52:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:03,339 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 04:52:06,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:52:06,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 169 states and 446 transitions. [2023-12-03 04:52:06,677 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 446 transitions. [2023-12-03 04:52:06,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 04:52:06,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:52:06,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:52:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:06,705 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 04:52:10,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:52:10,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 170 states and 449 transitions. [2023-12-03 04:52:10,157 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 449 transitions. [2023-12-03 04:52:10,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 04:52:10,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:52:10,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:52:10,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:10,397 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:52:10,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:52:10,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 171 states and 450 transitions. [2023-12-03 04:52:10,500 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 450 transitions. [2023-12-03 04:52:10,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 04:52:10,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:52:10,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:52:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:11,071 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 04:52:15,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:52:15,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 172 states and 453 transitions. [2023-12-03 04:52:15,070 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 453 transitions. [2023-12-03 04:52:15,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 04:52:15,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:52:15,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:52:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:20,160 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:52:48,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:52:48,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 175 states and 467 transitions. [2023-12-03 04:52:48,481 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 467 transitions. [2023-12-03 04:52:48,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 04:52:48,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:52:48,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:52:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:53:04,900 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:53:49,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:53:49,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 180 states and 489 transitions. [2023-12-03 04:53:49,359 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 489 transitions. [2023-12-03 04:53:49,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 04:53:49,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:53:49,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:53:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:53:51,874 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:53:56,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:53:56,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 181 states and 496 transitions. [2023-12-03 04:53:56,641 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 496 transitions. [2023-12-03 04:53:56,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 04:53:56,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:53:56,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:53:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:06,140 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:54:37,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:54:37,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 186 states and 525 transitions. [2023-12-03 04:54:37,763 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 525 transitions. [2023-12-03 04:54:37,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 04:54:37,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:54:37,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:54:37,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:37,821 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 04:54:42,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:54:42,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 188 states and 529 transitions. [2023-12-03 04:54:42,397 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 529 transitions. [2023-12-03 04:54:42,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 04:54:42,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:54:42,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:54:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:56,318 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:56:28,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:56:28,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 201 states and 597 transitions. [2023-12-03 04:56:28,798 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 597 transitions. [2023-12-03 04:56:28,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 04:56:28,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:56:28,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:56:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:56:35,380 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:56:47,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:56:47,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 202 states and 606 transitions. [2023-12-03 04:56:47,087 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 606 transitions. [2023-12-03 04:56:47,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 04:56:47,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:56:47,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:56:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:56:55,414 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:57:30,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:57:30,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 207 states and 627 transitions. [2023-12-03 04:57:30,231 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 627 transitions. [2023-12-03 04:57:30,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 04:57:30,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:57:30,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:57:30,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:57:30,820 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:57:36,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:57:36,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 208 states and 627 transitions. [2023-12-03 04:57:36,037 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 627 transitions. [2023-12-03 04:57:36,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 04:57:36,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:57:36,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:57:36,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:57:36,067 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 04:57:45,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:57:45,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 211 states and 634 transitions. [2023-12-03 04:57:45,399 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 634 transitions. [2023-12-03 04:57:45,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 04:57:45,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:57:45,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:57:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:57:45,455 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 04:57:52,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:57:52,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 213 states and 636 transitions. [2023-12-03 04:57:52,008 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 636 transitions. [2023-12-03 04:57:52,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 04:57:52,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:57:52,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:57:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:57:52,079 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:57:58,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:57:58,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 214 states and 638 transitions. [2023-12-03 04:57:58,627 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 638 transitions. [2023-12-03 04:57:58,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 04:57:58,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:57:58,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:57:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:16,118 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:00:11,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:00:11,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 229 states and 706 transitions. [2023-12-03 05:00:11,347 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 706 transitions. [2023-12-03 05:00:11,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 05:00:11,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:00:11,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:00:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:00:11,399 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.