./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.5_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_1c23a78a-b69f-4841-baf5-acb2cc11db7c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c23a78a-b69f-4841-baf5-acb2cc11db7c/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_1c23a78a-b69f-4841-baf5-acb2cc11db7c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c23a78a-b69f-4841-baf5-acb2cc11db7c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.5_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c23a78a-b69f-4841-baf5-acb2cc11db7c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c23a78a-b69f-4841-baf5-acb2cc11db7c/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --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 944b5ec42c2162154ede6c802018109a010424c3110973822c2880295480d39e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:08:06,636 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:08:06,701 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c23a78a-b69f-4841-baf5-acb2cc11db7c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:08:06,705 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:08:06,706 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:08:06,728 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:08:06,729 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:08:06,729 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:08:06,730 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:08:06,731 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:08:06,732 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:08:06,732 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:08:06,733 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:08:06,733 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:08:06,734 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:08:06,734 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:08:06,735 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:08:06,735 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:08:06,736 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:08:06,736 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:08:06,737 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:08:06,737 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:08:06,738 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:08:06,738 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:08:06,739 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:08:06,739 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:08:06,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:08:06,740 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:08:06,740 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:08:06,741 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:08:06,741 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:08:06,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:08:06,742 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:08:06,754 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_1c23a78a-b69f-4841-baf5-acb2cc11db7c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c23a78a-b69f-4841-baf5-acb2cc11db7c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 944b5ec42c2162154ede6c802018109a010424c3110973822c2880295480d39e [2023-12-02 23:08:06,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:08:07,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:08:07,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:08:07,013 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:08:07,014 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:08:07,015 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c23a78a-b69f-4841-baf5-acb2cc11db7c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.5_overflow.ufo.UNBOUNDED.pals.c [2023-12-02 23:08:09,841 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:08:10,097 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:08:10,098 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c23a78a-b69f-4841-baf5-acb2cc11db7c/sv-benchmarks/c/seq-mthreaded/pals_floodmax.5_overflow.ufo.UNBOUNDED.pals.c [2023-12-02 23:08:10,116 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c23a78a-b69f-4841-baf5-acb2cc11db7c/bin/ukojak-verify-Qdu7aM0XO9/data/16f239356/18a856ee25334a5cb235a67257ff94af/FLAG92895ff94 [2023-12-02 23:08:10,131 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c23a78a-b69f-4841-baf5-acb2cc11db7c/bin/ukojak-verify-Qdu7aM0XO9/data/16f239356/18a856ee25334a5cb235a67257ff94af [2023-12-02 23:08:10,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:08:10,135 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:08:10,136 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:08:10,136 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:08:10,141 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:08:10,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:08:10" (1/1) ... [2023-12-02 23:08:10,142 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65ca4361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:10, skipping insertion in model container [2023-12-02 23:08:10,143 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:08:10" (1/1) ... [2023-12-02 23:08:10,217 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:08:10,550 WARN L240 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_1c23a78a-b69f-4841-baf5-acb2cc11db7c/sv-benchmarks/c/seq-mthreaded/pals_floodmax.5_overflow.ufo.UNBOUNDED.pals.c[61047,61060] [2023-12-02 23:08:10,554 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:08:10,569 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:08:10,671 WARN L240 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_1c23a78a-b69f-4841-baf5-acb2cc11db7c/sv-benchmarks/c/seq-mthreaded/pals_floodmax.5_overflow.ufo.UNBOUNDED.pals.c[61047,61060] [2023-12-02 23:08:10,672 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:08:10,691 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:08:10,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:10 WrapperNode [2023-12-02 23:08:10,692 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:08:10,693 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:08:10,693 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:08:10,693 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:08:10,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:10" (1/1) ... [2023-12-02 23:08:10,727 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:10" (1/1) ... [2023-12-02 23:08:10,799 INFO L138 Inliner]: procedures = 25, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 2017 [2023-12-02 23:08:10,800 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:08:10,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:08:10,801 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:08:10,801 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:08:10,811 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:10" (1/1) ... [2023-12-02 23:08:10,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:10" (1/1) ... [2023-12-02 23:08:10,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:10" (1/1) ... [2023-12-02 23:08:10,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:10" (1/1) ... [2023-12-02 23:08:10,849 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:10" (1/1) ... [2023-12-02 23:08:10,877 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:10" (1/1) ... [2023-12-02 23:08:10,883 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:10" (1/1) ... [2023-12-02 23:08:10,891 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:10" (1/1) ... [2023-12-02 23:08:10,902 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:08:10,903 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:08:10,903 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:08:10,903 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:08:10,904 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:08:10" (1/1) ... [2023-12-02 23:08:10,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:08:10,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c23a78a-b69f-4841-baf5-acb2cc11db7c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:08:10,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c23a78a-b69f-4841-baf5-acb2cc11db7c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:08:10,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c23a78a-b69f-4841-baf5-acb2cc11db7c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:08:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:08:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:08:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:08:11,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:08:11,187 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:08:11,190 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:08:12,726 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:08:14,252 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:08:14,252 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:08:14,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:08:14 BoogieIcfgContainer [2023-12-02 23:08:14,254 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:08:14,255 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:08:14,255 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:08:14,265 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:08:14,265 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:08:14" (1/1) ... [2023-12-02 23:08:14,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:08:14,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:14,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 441 states and 754 transitions. [2023-12-02 23:08:14,351 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 754 transitions. [2023-12-02 23:08:14,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-02 23:08:14,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:14,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:20,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:08:21,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:21,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 442 states and 756 transitions. [2023-12-02 23:08:21,277 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 756 transitions. [2023-12-02 23:08:21,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-12-02 23:08:21,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:21,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:24,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:08:24,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:24,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 445 states and 762 transitions. [2023-12-02 23:08:24,902 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 762 transitions. [2023-12-02 23:08:24,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-02 23:08:24,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:24,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:27,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:08:28,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:28,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 449 states and 770 transitions. [2023-12-02 23:08:28,154 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 770 transitions. [2023-12-02 23:08:28,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-02 23:08:28,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:28,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:28,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:31,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:08:31,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:31,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 454 states and 780 transitions. [2023-12-02 23:08:31,953 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 780 transitions. [2023-12-02 23:08:31,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-12-02 23:08:31,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:31,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:32,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:34,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:08:35,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:35,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 460 states and 792 transitions. [2023-12-02 23:08:35,869 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 792 transitions. [2023-12-02 23:08:35,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 23:08:35,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:35,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:38,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:08:39,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:39,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 467 states and 806 transitions. [2023-12-02 23:08:39,851 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 806 transitions. [2023-12-02 23:08:39,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-02 23:08:39,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:39,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:43,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:08:44,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:44,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 476 states and 822 transitions. [2023-12-02 23:08:44,670 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 822 transitions. [2023-12-02 23:08:44,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-12-02 23:08:44,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:44,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:45,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:48,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:08:50,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:50,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 484 states and 837 transitions. [2023-12-02 23:08:50,454 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 837 transitions. [2023-12-02 23:08:50,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-12-02 23:08:50,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:50,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:50,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:08:50,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:50,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 485 states and 837 transitions. [2023-12-02 23:08:50,903 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 837 transitions. [2023-12-02 23:08:50,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-12-02 23:08:50,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:50,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:51,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:08:51,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:51,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 486 states and 838 transitions. [2023-12-02 23:08:51,033 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 838 transitions. [2023-12-02 23:08:51,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-12-02 23:08:51,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:51,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:55,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:08:57,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:57,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 498 states and 858 transitions. [2023-12-02 23:08:57,907 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 858 transitions. [2023-12-02 23:08:57,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-12-02 23:08:57,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:57,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:58,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:08:58,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:58,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 501 states and 863 transitions. [2023-12-02 23:08:58,763 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 863 transitions. [2023-12-02 23:08:58,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-02 23:08:58,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:58,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:59,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:07,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:09:14,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:14,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 519 states and 899 transitions. [2023-12-02 23:09:14,673 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 899 transitions. [2023-12-02 23:09:14,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-02 23:09:14,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:14,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:09:14,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:18,870 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:09:25,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:25,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 538 states and 937 transitions. [2023-12-02 23:09:25,506 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 937 transitions. [2023-12-02 23:09:25,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-02 23:09:25,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:25,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:09:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:29,340 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:09:29,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:29,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 539 states and 939 transitions. [2023-12-02 23:09:29,796 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 939 transitions. [2023-12-02 23:09:29,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-12-02 23:09:29,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:29,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:09:30,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:34,209 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:09:41,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:41,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 559 states and 978 transitions. [2023-12-02 23:09:41,697 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 978 transitions. [2023-12-02 23:09:41,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-12-02 23:09:41,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:41,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:09:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:45,784 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:09:46,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:46,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 561 states and 983 transitions. [2023-12-02 23:09:46,627 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 983 transitions. [2023-12-02 23:09:46,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-02 23:09:46,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:46,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:09:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:51,748 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:10:00,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:00,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 582 states and 1024 transitions. [2023-12-02 23:10:00,546 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 1024 transitions. [2023-12-02 23:10:00,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-02 23:10:00,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:00,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:10:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:04,542 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:10:05,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:05,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 583 states and 1029 transitions. [2023-12-02 23:10:05,207 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 1029 transitions. [2023-12-02 23:10:05,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-02 23:10:05,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:05,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:10:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:09,732 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:10:10,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:10,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 585 states and 1032 transitions. [2023-12-02 23:10:10,601 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 1032 transitions. [2023-12-02 23:10:10,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-02 23:10:10,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:10,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:10:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:14,568 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:10:15,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:15,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 586 states and 1033 transitions. [2023-12-02 23:10:15,047 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 1033 transitions. [2023-12-02 23:10:15,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-02 23:10:15,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:15,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:10:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:19,607 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:10:28,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:28,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 608 states and 1075 transitions. [2023-12-02 23:10:28,712 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 1075 transitions. [2023-12-02 23:10:28,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-02 23:10:28,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:28,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:10:28,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:32,861 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:10:35,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:35,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 612 states and 1087 transitions. [2023-12-02 23:10:35,206 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 1087 transitions. [2023-12-02 23:10:35,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-02 23:10:35,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:35,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:10:35,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:39,555 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:10:40,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:40,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 614 states and 1090 transitions. [2023-12-02 23:10:40,618 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 1090 transitions. [2023-12-02 23:10:40,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-02 23:10:40,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:40,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:10:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:44,870 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:10:45,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:45,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 615 states and 1091 transitions. [2023-12-02 23:10:45,527 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 1091 transitions. [2023-12-02 23:10:45,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-12-02 23:10:45,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:45,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:10:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:50,672 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:10:58,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:58,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 631 states and 1126 transitions. [2023-12-02 23:10:58,798 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 1126 transitions. [2023-12-02 23:10:58,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-12-02 23:10:58,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:58,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:10:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:03,019 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:11:05,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:05,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 635 states and 1141 transitions. [2023-12-02 23:11:05,518 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 1141 transitions. [2023-12-02 23:11:05,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-12-02 23:11:05,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:05,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:11:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:09,752 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:11:10,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:10,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 636 states and 1144 transitions. [2023-12-02 23:11:10,447 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 1144 transitions. [2023-12-02 23:11:10,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-12-02 23:11:10,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:10,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:11:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:14,788 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:11:16,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:16,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 639 states and 1147 transitions. [2023-12-02 23:11:16,596 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 1147 transitions. [2023-12-02 23:11:16,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-12-02 23:11:16,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:16,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:11:16,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:21,492 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:11:23,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:23,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 642 states and 1150 transitions. [2023-12-02 23:11:23,474 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 1150 transitions. [2023-12-02 23:11:23,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-12-02 23:11:23,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:23,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:11:24,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:33,400 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:11:45,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:45,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 666 states and 1184 transitions. [2023-12-02 23:11:45,297 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 1184 transitions. [2023-12-02 23:11:45,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-12-02 23:11:45,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:45,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:11:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:51,711 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:11:56,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:56,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 673 states and 1199 transitions. [2023-12-02 23:11:56,646 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 1199 transitions. [2023-12-02 23:11:56,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-12-02 23:11:56,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:56,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:11:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:06,759 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:12:15,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:15,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 683 states and 1223 transitions. [2023-12-02 23:12:15,987 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 1223 transitions. [2023-12-02 23:12:15,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-02 23:12:15,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:15,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:12:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:25,695 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:12:41,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:41,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 699 states and 1287 transitions. [2023-12-02 23:12:41,956 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1287 transitions. [2023-12-02 23:12:41,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-12-02 23:12:41,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:41,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:12:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:47,743 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 23:13:01,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:01,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 715 states and 1340 transitions. [2023-12-02 23:13:01,999 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 1340 transitions. [2023-12-02 23:13:01,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-02 23:13:01,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:02,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:13:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:08,364 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:13:21,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:21,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1360 states to 727 states and 1360 transitions. [2023-12-02 23:13:21,772 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1360 transitions. [2023-12-02 23:13:21,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-02 23:13:21,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:21,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:13:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:27,370 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:13:28,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:28,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 728 states and 1363 transitions. [2023-12-02 23:13:28,546 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 1363 transitions. [2023-12-02 23:13:28,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-12-02 23:13:28,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:28,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:13:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:40,922 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:13:59,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:59,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 744 states and 1409 transitions. [2023-12-02 23:13:59,310 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1409 transitions. [2023-12-02 23:13:59,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-12-02 23:13:59,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:59,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:13:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:06,677 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:14:10,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:10,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 746 states and 1420 transitions. [2023-12-02 23:14:10,259 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1420 transitions. [2023-12-02 23:14:10,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-02 23:14:10,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:10,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:14:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:16,936 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:14:34,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:34,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 763 states and 1464 transitions. [2023-12-02 23:14:34,266 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1464 transitions. [2023-12-02 23:14:34,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-02 23:14:34,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:34,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:14:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:39,767 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:14:42,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:42,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 765 states and 1477 transitions. [2023-12-02 23:14:42,385 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1477 transitions. [2023-12-02 23:14:42,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-02 23:14:42,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:42,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:14:42,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:47,902 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:14:49,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:49,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 766 states and 1489 transitions. [2023-12-02 23:14:49,698 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1489 transitions. [2023-12-02 23:14:49,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 23:14:49,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:49,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:14:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:56,773 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 5 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:15:17,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:17,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 783 states and 1537 transitions. [2023-12-02 23:15:17,505 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1537 transitions. [2023-12-02 23:15:17,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 23:15:17,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:17,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:15:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:24,990 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:15:45,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:45,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 800 states and 1585 transitions. [2023-12-02 23:15:45,120 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1585 transitions. [2023-12-02 23:15:45,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 23:15:45,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:45,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:15:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:05,001 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:16:35,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:35,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 817 states and 1631 transitions. [2023-12-02 23:16:35,869 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1631 transitions. [2023-12-02 23:16:35,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-12-02 23:16:35,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:35,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:46,812 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:16:57,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:57,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 820 states and 1638 transitions. [2023-12-02 23:16:57,502 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1638 transitions. [2023-12-02 23:16:57,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-12-02 23:16:57,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:57,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:06,085 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:17:17,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:17,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 827 states and 1668 transitions. [2023-12-02 23:17:17,980 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1668 transitions. [2023-12-02 23:17:17,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-12-02 23:17:17,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:17,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:18,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:28,247 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:17:38,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:38,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 832 states and 1690 transitions. [2023-12-02 23:17:38,556 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1690 transitions. [2023-12-02 23:17:38,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-12-02 23:17:38,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:38,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:47,026 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:17:57,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:57,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 838 states and 1714 transitions. [2023-12-02 23:17:57,088 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1714 transitions. [2023-12-02 23:17:57,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-12-02 23:17:57,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:57,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:05,570 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:18:11,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:11,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 842 states and 1731 transitions. [2023-12-02 23:18:11,696 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1731 transitions. [2023-12-02 23:18:11,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-12-02 23:18:11,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:11,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:18:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:19,502 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:18:44,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:44,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 862 states and 1805 transitions. [2023-12-02 23:18:44,133 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1805 transitions. [2023-12-02 23:18:44,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-12-02 23:18:44,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:44,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:18:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:51,571 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:19:02,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:02,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 869 states and 1838 transitions. [2023-12-02 23:19:02,980 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1838 transitions. [2023-12-02 23:19:02,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-12-02 23:19:02,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:02,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:19:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:13,121 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:19:18,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:18,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 870 states and 1857 transitions. [2023-12-02 23:19:18,199 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1857 transitions. [2023-12-02 23:19:18,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-12-02 23:19:18,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:18,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:19:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:25,415 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:19:27,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:27,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 871 states and 1859 transitions. [2023-12-02 23:19:27,768 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1859 transitions. [2023-12-02 23:19:27,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-12-02 23:19:27,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:27,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:19:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:34,537 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:19:36,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:36,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1869 states to 872 states and 1869 transitions. [2023-12-02 23:19:36,717 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1869 transitions. [2023-12-02 23:19:36,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-12-02 23:19:36,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:36,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:19:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:43,216 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:19:54,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:54,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1894 states to 877 states and 1894 transitions. [2023-12-02 23:19:54,292 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1894 transitions. [2023-12-02 23:19:54,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-12-02 23:19:54,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:54,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:19:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:05,291 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 5 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:20:13,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:13,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1908 states to 880 states and 1908 transitions. [2023-12-02 23:20:13,858 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1908 transitions. [2023-12-02 23:20:13,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-12-02 23:20:13,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:13,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:20:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:24,400 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 5 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:20:34,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:34,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1939 states to 886 states and 1939 transitions. [2023-12-02 23:20:34,910 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1939 transitions. [2023-12-02 23:20:34,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-12-02 23:20:34,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:34,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:20:35,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:45,482 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 5 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:20:59,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:59,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1970 states to 893 states and 1970 transitions. [2023-12-02 23:20:59,042 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1970 transitions. [2023-12-02 23:20:59,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-12-02 23:20:59,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:59,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:20:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:08,378 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 5 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:21:10,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:10,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1971 states to 894 states and 1971 transitions. [2023-12-02 23:21:10,468 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1971 transitions. [2023-12-02 23:21:10,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-12-02 23:21:10,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:10,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:21:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:21,585 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 5 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:21:28,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:28,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1991 states to 898 states and 1991 transitions. [2023-12-02 23:21:28,573 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1991 transitions. [2023-12-02 23:21:28,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-12-02 23:21:28,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:28,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:21:29,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:39,157 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 5 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:21:41,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:41,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 899 states and 1992 transitions. [2023-12-02 23:21:41,210 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1992 transitions. [2023-12-02 23:21:41,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-12-02 23:21:41,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:41,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:21:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat