./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/sanfoundry_02_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fc4c8e0-7a2e-4fa6-ae61-8585dc104a00/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fc4c8e0-7a2e-4fa6-ae61-8585dc104a00/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fc4c8e0-7a2e-4fa6-ae61-8585dc104a00/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fc4c8e0-7a2e-4fa6-ae61-8585dc104a00/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/array-examples/sanfoundry_02_ground.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fc4c8e0-7a2e-4fa6-ae61-8585dc104a00/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fc4c8e0-7a2e-4fa6-ae61-8585dc104a00/bin/ukojak-verify-afCqCEvfdi --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 3a6236bdd88fd6afaea18904cacfb3d20cec5c672e4775ed237e350d1a6fc96b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:52:20,764 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:52:20,832 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fc4c8e0-7a2e-4fa6-ae61-8585dc104a00/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:52:20,837 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:52:20,838 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:52:20,878 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:52:20,879 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:52:20,879 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:52:20,880 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:52:20,881 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:52:20,882 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:52:20,882 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:52:20,883 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:52:20,883 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:52:20,884 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:52:20,884 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:52:20,885 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:52:20,885 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:52:20,886 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:52:20,887 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:52:20,887 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:52:20,888 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:52:20,888 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:52:20,889 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:52:20,889 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:52:20,890 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:52:20,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:20,890 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:52:20,891 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:52:20,891 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:52:20,892 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:52:20,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:52:20,892 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:52:20,893 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_0fc4c8e0-7a2e-4fa6-ae61-8585dc104a00/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fc4c8e0-7a2e-4fa6-ae61-8585dc104a00/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a6236bdd88fd6afaea18904cacfb3d20cec5c672e4775ed237e350d1a6fc96b [2023-11-24 22:52:21,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:52:21,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:52:21,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:52:21,221 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:52:21,222 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:52:21,223 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fc4c8e0-7a2e-4fa6-ae61-8585dc104a00/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/array-examples/sanfoundry_02_ground.i [2023-11-24 22:52:24,396 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:52:24,715 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:52:24,717 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fc4c8e0-7a2e-4fa6-ae61-8585dc104a00/sv-benchmarks/c/array-examples/sanfoundry_02_ground.i [2023-11-24 22:52:24,726 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fc4c8e0-7a2e-4fa6-ae61-8585dc104a00/bin/ukojak-verify-afCqCEvfdi/data/cf1322ab8/7005367333204f9c9c365411460a1b76/FLAGac287eee7 [2023-11-24 22:52:24,744 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fc4c8e0-7a2e-4fa6-ae61-8585dc104a00/bin/ukojak-verify-afCqCEvfdi/data/cf1322ab8/7005367333204f9c9c365411460a1b76 [2023-11-24 22:52:24,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:52:24,754 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:52:24,759 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:24,759 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:52:24,764 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:52:24,767 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:24" (1/1) ... [2023-11-24 22:52:24,769 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@625ccec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:24, skipping insertion in model container [2023-11-24 22:52:24,770 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:24" (1/1) ... [2023-11-24 22:52:24,800 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:52:25,004 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_0fc4c8e0-7a2e-4fa6-ae61-8585dc104a00/sv-benchmarks/c/array-examples/sanfoundry_02_ground.i[813,826] [2023-11-24 22:52:25,024 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:25,035 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:52:25,048 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_0fc4c8e0-7a2e-4fa6-ae61-8585dc104a00/sv-benchmarks/c/array-examples/sanfoundry_02_ground.i[813,826] [2023-11-24 22:52:25,059 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:25,076 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:52:25,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:25 WrapperNode [2023-11-24 22:52:25,077 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:25,078 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:25,078 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:52:25,078 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:52:25,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:25" (1/1) ... [2023-11-24 22:52:25,091 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:25" (1/1) ... [2023-11-24 22:52:25,115 INFO L138 Inliner]: procedures = 16, calls = 21, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 93 [2023-11-24 22:52:25,115 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:25,116 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:52:25,116 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:52:25,116 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:52:25,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:25" (1/1) ... [2023-11-24 22:52:25,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:25" (1/1) ... [2023-11-24 22:52:25,130 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:25" (1/1) ... [2023-11-24 22:52:25,131 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:25" (1/1) ... [2023-11-24 22:52:25,138 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:25" (1/1) ... [2023-11-24 22:52:25,142 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:25" (1/1) ... [2023-11-24 22:52:25,144 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:25" (1/1) ... [2023-11-24 22:52:25,145 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:25" (1/1) ... [2023-11-24 22:52:25,148 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:52:25,149 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:52:25,149 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:52:25,149 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:52:25,150 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:25" (1/1) ... [2023-11-24 22:52:25,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:25,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fc4c8e0-7a2e-4fa6-ae61-8585dc104a00/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:52:25,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fc4c8e0-7a2e-4fa6-ae61-8585dc104a00/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:52:25,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fc4c8e0-7a2e-4fa6-ae61-8585dc104a00/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:52:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:52:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:52:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:52:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:52:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:52:25,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:52:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:52:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:52:25,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:52:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:52:25,338 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:52:25,341 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:52:25,614 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:52:25,717 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:52:25,718 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-24 22:52:25,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:25 BoogieIcfgContainer [2023-11-24 22:52:25,720 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:52:25,721 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:52:25,721 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:52:25,732 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:52:25,732 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:25" (1/1) ... [2023-11-24 22:52:25,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:52:25,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:25,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2023-11-24 22:52:25,798 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2023-11-24 22:52:25,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:52:25,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:25,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:26,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:26,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:26,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2023-11-24 22:52:26,053 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2023-11-24 22:52:26,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:52:26,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:26,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:26,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:26,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:26,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2023-11-24 22:52:26,265 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2023-11-24 22:52:26,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:52:26,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:26,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:26,361 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:52:26,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:26,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2023-11-24 22:52:26,402 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2023-11-24 22:52:26,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:52:26,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:26,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:26,552 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:52:26,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:26,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-24 22:52:26,630 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-24 22:52:26,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:52:26,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:26,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:26,774 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:52:26,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:26,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2023-11-24 22:52:26,854 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2023-11-24 22:52:26,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:52:26,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:26,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:26,960 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:26,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:26,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2023-11-24 22:52:26,999 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2023-11-24 22:52:27,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:52:27,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:27,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:27,130 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:27,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:27,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2023-11-24 22:52:27,191 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2023-11-24 22:52:27,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:52:27,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:27,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:27,336 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:27,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:27,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2023-11-24 22:52:27,368 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2023-11-24 22:52:27,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:52:27,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:27,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:27,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:27,491 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:27,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:27,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2023-11-24 22:52:27,557 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2023-11-24 22:52:27,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:52:27,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:27,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:27,696 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:27,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:27,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2023-11-24 22:52:27,773 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2023-11-24 22:52:27,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:52:27,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:27,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:27,889 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:27,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:27,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2023-11-24 22:52:27,966 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2023-11-24 22:52:27,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:52:27,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:27,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:28,093 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:28,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:28,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2023-11-24 22:52:28,177 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2023-11-24 22:52:28,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:52:28,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:28,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:28,353 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:28,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:28,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2023-11-24 22:52:28,459 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2023-11-24 22:52:28,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:52:28,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:28,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:28,634 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:28,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:28,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 38 transitions. [2023-11-24 22:52:28,731 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2023-11-24 22:52:28,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:52:28,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:28,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:28,916 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:29,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:29,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2023-11-24 22:52:29,018 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2023-11-24 22:52:29,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:52:29,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:29,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:29,252 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:29,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:29,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2023-11-24 22:52:29,360 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2023-11-24 22:52:29,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:52:29,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:29,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:29,617 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:29,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:29,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 33 states and 41 transitions. [2023-11-24 22:52:29,745 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2023-11-24 22:52:29,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:52:29,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:29,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:30,045 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:30,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:30,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2023-11-24 22:52:30,184 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2023-11-24 22:52:30,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:52:30,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:30,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:30,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:30,407 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:30,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:30,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 43 transitions. [2023-11-24 22:52:30,513 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2023-11-24 22:52:30,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:52:30,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:30,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:30,771 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:30,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:30,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 36 states and 44 transitions. [2023-11-24 22:52:30,882 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2023-11-24 22:52:30,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:52:30,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:30,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:31,198 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:31,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:31,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 37 states and 45 transitions. [2023-11-24 22:52:31,331 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2023-11-24 22:52:31,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:52:31,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:31,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:31,627 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:31,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:31,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 46 transitions. [2023-11-24 22:52:31,748 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2023-11-24 22:52:31,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:52:31,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:31,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:31,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:32,043 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:32,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:32,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 47 transitions. [2023-11-24 22:52:32,179 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2023-11-24 22:52:32,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:52:32,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:32,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:32,495 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:32,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:32,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 48 transitions. [2023-11-24 22:52:32,625 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2023-11-24 22:52:32,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:52:32,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:32,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:32,940 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:33,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:33,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 49 transitions. [2023-11-24 22:52:33,076 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2023-11-24 22:52:33,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:52:33,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:33,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:33,394 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:33,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:33,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 42 states and 50 transitions. [2023-11-24 22:52:33,535 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2023-11-24 22:52:33,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:52:33,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:33,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:33,854 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:34,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:34,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 43 states and 51 transitions. [2023-11-24 22:52:34,023 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2023-11-24 22:52:34,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:52:34,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:34,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:34,354 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:34,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:34,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 44 states and 52 transitions. [2023-11-24 22:52:34,522 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2023-11-24 22:52:34,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:52:34,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:34,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:34,917 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:35,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:35,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 45 states and 53 transitions. [2023-11-24 22:52:35,090 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2023-11-24 22:52:35,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:52:35,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:35,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:35,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:35,469 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:35,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:35,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 46 states and 54 transitions. [2023-11-24 22:52:35,645 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2023-11-24 22:52:35,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:52:35,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:35,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:36,032 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:36,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:36,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 47 states and 55 transitions. [2023-11-24 22:52:36,218 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2023-11-24 22:52:36,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:52:36,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:36,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:36,613 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:36,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:36,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 48 states and 56 transitions. [2023-11-24 22:52:36,801 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2023-11-24 22:52:36,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 22:52:36,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:36,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:37,218 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:37,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:37,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 49 states and 57 transitions. [2023-11-24 22:52:37,411 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 57 transitions. [2023-11-24 22:52:37,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 22:52:37,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:37,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:37,925 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:38,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:38,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 50 states and 58 transitions. [2023-11-24 22:52:38,127 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2023-11-24 22:52:38,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 22:52:38,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:38,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:38,579 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:38,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:38,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 51 states and 59 transitions. [2023-11-24 22:52:38,772 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2023-11-24 22:52:38,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:52:38,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:38,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:39,237 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:39,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:39,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 52 states and 60 transitions. [2023-11-24 22:52:39,437 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2023-11-24 22:52:39,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 22:52:39,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:39,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:40,008 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:40,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:40,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 53 states and 61 transitions. [2023-11-24 22:52:40,220 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 61 transitions. [2023-11-24 22:52:40,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 22:52:40,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:40,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:40,773 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:40,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:40,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 54 states and 62 transitions. [2023-11-24 22:52:40,992 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2023-11-24 22:52:40,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 22:52:40,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:40,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:41,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:41,534 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:41,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:41,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 55 states and 63 transitions. [2023-11-24 22:52:41,774 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2023-11-24 22:52:41,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:52:41,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:41,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:42,384 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:42,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:42,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 56 states and 64 transitions. [2023-11-24 22:52:42,606 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 64 transitions. [2023-11-24 22:52:42,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 22:52:42,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:42,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:42,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:43,185 INFO L134 CoverageAnalysis]: Checked inductivity of 709 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:43,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:43,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 57 states and 65 transitions. [2023-11-24 22:52:43,409 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 65 transitions. [2023-11-24 22:52:43,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 22:52:43,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:43,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:43,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:43,985 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:44,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:44,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 58 states and 66 transitions. [2023-11-24 22:52:44,216 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2023-11-24 22:52:44,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:52:44,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:44,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:44,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:44,914 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:45,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:45,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 59 states and 67 transitions. [2023-11-24 22:52:45,160 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 67 transitions. [2023-11-24 22:52:45,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 22:52:45,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:45,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:45,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:45,810 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:46,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:46,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 60 states and 68 transitions. [2023-11-24 22:52:46,056 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2023-11-24 22:52:46,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-24 22:52:46,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:46,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:46,724 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:46,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:46,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 61 states and 69 transitions. [2023-11-24 22:52:46,989 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2023-11-24 22:52:46,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 22:52:46,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:46,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:47,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:47,647 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:47,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:47,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 62 states and 70 transitions. [2023-11-24 22:52:47,930 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2023-11-24 22:52:47,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:52:47,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:47,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:48,682 INFO L134 CoverageAnalysis]: Checked inductivity of 952 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:48,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:48,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 63 states and 71 transitions. [2023-11-24 22:52:48,948 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2023-11-24 22:52:48,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:52:48,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:48,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:49,713 INFO L134 CoverageAnalysis]: Checked inductivity of 996 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:50,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:50,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 64 states and 72 transitions. [2023-11-24 22:52:50,058 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2023-11-24 22:52:50,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:52:50,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:50,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:50,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:51,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:51,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2023-11-24 22:52:51,100 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2023-11-24 22:52:51,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 22:52:51,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:51,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:51,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1087 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:52,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:52,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 66 states and 74 transitions. [2023-11-24 22:52:52,137 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 74 transitions. [2023-11-24 22:52:52,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 22:52:52,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:52,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:52,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:53,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:53,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2023-11-24 22:52:53,220 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2023-11-24 22:52:53,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 22:52:53,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:53,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:54,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1182 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:54,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:54,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2023-11-24 22:52:54,357 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2023-11-24 22:52:54,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 22:52:54,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:54,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:55,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1231 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:55,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:55,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 69 states and 77 transitions. [2023-11-24 22:52:55,444 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2023-11-24 22:52:55,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 22:52:55,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:55,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:56,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1281 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:56,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:56,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2023-11-24 22:52:56,382 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2023-11-24 22:52:56,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 22:52:56,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:56,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:57,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:57,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:57,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 79 transitions. [2023-11-24 22:52:57,557 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2023-11-24 22:52:57,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 22:52:57,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:57,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:57,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:58,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1384 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:58,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:58,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 72 states and 80 transitions. [2023-11-24 22:52:58,609 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2023-11-24 22:52:58,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 22:52:58,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:58,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:59,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1437 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:59,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:59,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 73 states and 81 transitions. [2023-11-24 22:52:59,922 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2023-11-24 22:52:59,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-24 22:52:59,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:59,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:00,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1491 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:53:01,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:01,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 74 states and 82 transitions. [2023-11-24 22:53:01,034 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2023-11-24 22:53:01,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-24 22:53:01,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:01,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:01,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1546 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:53:02,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:02,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 75 states and 83 transitions. [2023-11-24 22:53:02,203 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 83 transitions. [2023-11-24 22:53:02,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-24 22:53:02,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:02,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:02,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:03,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1602 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:53:03,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:03,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 76 states and 84 transitions. [2023-11-24 22:53:03,312 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2023-11-24 22:53:03,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-24 22:53:03,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:03,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:04,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1659 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:53:04,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:04,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 77 states and 85 transitions. [2023-11-24 22:53:04,420 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2023-11-24 22:53:04,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-24 22:53:04,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:04,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:04,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:05,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1717 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:53:05,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:05,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 78 states and 86 transitions. [2023-11-24 22:53:05,515 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 86 transitions. [2023-11-24 22:53:05,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-24 22:53:05,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:05,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:05,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:06,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1776 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:53:06,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:06,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 79 states and 87 transitions. [2023-11-24 22:53:06,726 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2023-11-24 22:53:06,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-24 22:53:06,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:06,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:07,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1836 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:53:07,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:07,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 80 states and 88 transitions. [2023-11-24 22:53:07,868 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2023-11-24 22:53:07,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-24 22:53:07,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:07,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms