./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/rec_counter3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_249389f4-9728-49ae-9c70-1512c190b944/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249389f4-9728-49ae-9c70-1512c190b944/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249389f4-9728-49ae-9c70-1512c190b944/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249389f4-9728-49ae-9c70-1512c190b944/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/rec_counter3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249389f4-9728-49ae-9c70-1512c190b944/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249389f4-9728-49ae-9c70-1512c190b944/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d7b4f33979632a981e739ff06b52fe01aa9fb175d5e5193b145052887f22f8a3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:25:05,970 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:25:06,062 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249389f4-9728-49ae-9c70-1512c190b944/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:25:06,068 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:25:06,069 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:25:06,119 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:25:06,120 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:25:06,120 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:25:06,121 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:25:06,122 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:25:06,122 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:25:06,123 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:25:06,124 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:25:06,125 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:25:06,126 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:25:06,126 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:25:06,127 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:25:06,127 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:25:06,128 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:25:06,128 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:25:06,129 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:25:06,134 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:25:06,135 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:25:06,135 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:25:06,159 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:25:06,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:25:06,160 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:25:06,161 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:25:06,161 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:25:06,162 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:25:06,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:25:06,163 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:25:06,163 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_249389f4-9728-49ae-9c70-1512c190b944/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249389f4-9728-49ae-9c70-1512c190b944/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7b4f33979632a981e739ff06b52fe01aa9fb175d5e5193b145052887f22f8a3 [2023-11-19 03:25:06,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:25:06,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:25:06,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:25:06,525 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:25:06,525 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:25:06,527 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249389f4-9728-49ae-9c70-1512c190b944/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/termination-numeric/rec_counter3.c [2023-11-19 03:25:09,566 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:25:09,808 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:25:09,809 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249389f4-9728-49ae-9c70-1512c190b944/sv-benchmarks/c/termination-numeric/rec_counter3.c [2023-11-19 03:25:09,820 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249389f4-9728-49ae-9c70-1512c190b944/bin/ukojak-verify-G8NBE6pJGL/data/c48895b7a/20c9f4f60d694e5c97bcad46ecc2e0e1/FLAG61f65fe89 [2023-11-19 03:25:09,840 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249389f4-9728-49ae-9c70-1512c190b944/bin/ukojak-verify-G8NBE6pJGL/data/c48895b7a/20c9f4f60d694e5c97bcad46ecc2e0e1 [2023-11-19 03:25:09,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:25:09,848 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:25:09,851 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:25:09,852 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:25:09,857 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:25:09,858 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:25:09" (1/1) ... [2023-11-19 03:25:09,859 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f17b7de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:09, skipping insertion in model container [2023-11-19 03:25:09,860 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:25:09" (1/1) ... [2023-11-19 03:25:09,880 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:25:10,035 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:25:10,042 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:25:10,058 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:25:10,072 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:25:10,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:10 WrapperNode [2023-11-19 03:25:10,073 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:25:10,074 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:25:10,074 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:25:10,074 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:25:10,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:10" (1/1) ... [2023-11-19 03:25:10,087 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:10" (1/1) ... [2023-11-19 03:25:10,105 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 17 [2023-11-19 03:25:10,105 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:25:10,106 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:25:10,106 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:25:10,107 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:25:10,116 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:10" (1/1) ... [2023-11-19 03:25:10,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:10" (1/1) ... [2023-11-19 03:25:10,118 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:10" (1/1) ... [2023-11-19 03:25:10,118 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:10" (1/1) ... [2023-11-19 03:25:10,120 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:10" (1/1) ... [2023-11-19 03:25:10,125 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:10" (1/1) ... [2023-11-19 03:25:10,132 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:10" (1/1) ... [2023-11-19 03:25:10,133 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:10" (1/1) ... [2023-11-19 03:25:10,141 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:25:10,142 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:25:10,143 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:25:10,143 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:25:10,145 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:10" (1/1) ... [2023-11-19 03:25:10,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:25:10,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249389f4-9728-49ae-9c70-1512c190b944/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:25:10,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249389f4-9728-49ae-9c70-1512c190b944/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:25:10,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249389f4-9728-49ae-9c70-1512c190b944/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:25:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2023-11-19 03:25:10,263 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2023-11-19 03:25:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:25:10,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:25:10,377 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:25:10,381 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:25:10,566 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:25:10,598 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:25:10,598 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:25:10,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:25:10 BoogieIcfgContainer [2023-11-19 03:25:10,605 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:25:10,608 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:25:10,608 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:25:10,619 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:25:10,619 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:25:10" (1/1) ... [2023-11-19 03:25:10,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:25:10,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:10,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2023-11-19 03:25:10,717 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-11-19 03:25:10,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:25:10,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:10,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:11,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:25:11,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:11,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 34 transitions. [2023-11-19 03:25:11,118 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2023-11-19 03:25:11,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:25:11,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:11,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:11,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:25:11,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:11,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 33 states and 39 transitions. [2023-11-19 03:25:11,437 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2023-11-19 03:25:11,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:25:11,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:11,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:11,575 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:25:11,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:11,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 36 transitions. [2023-11-19 03:25:11,758 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2023-11-19 03:25:11,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:25:11,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:11,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:11,874 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:25:11,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:11,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 30 transitions. [2023-11-19 03:25:11,955 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-11-19 03:25:11,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:25:11,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:11,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:12,061 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:25:12,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:12,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 29 transitions. [2023-11-19 03:25:12,115 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2023-11-19 03:25:12,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:25:12,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:12,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:12,195 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:25:12,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:12,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 33 transitions. [2023-11-19 03:25:12,258 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2023-11-19 03:25:12,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:25:12,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:12,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:12,531 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:25:12,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:12,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 39 transitions. [2023-11-19 03:25:12,858 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2023-11-19 03:25:12,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:25:12,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:12,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:12,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:13,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:25:13,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:13,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 44 transitions. [2023-11-19 03:25:13,334 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2023-11-19 03:25:13,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:25:13,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:13,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:13,602 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:25:14,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:14,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 40 states and 53 transitions. [2023-11-19 03:25:14,284 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2023-11-19 03:25:14,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:25:14,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:14,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:14,415 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:25:14,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:14,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 43 states and 58 transitions. [2023-11-19 03:25:14,987 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2023-11-19 03:25:14,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:25:14,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:14,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:15,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:15,195 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:25:16,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:16,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 48 states and 66 transitions. [2023-11-19 03:25:16,066 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 66 transitions. [2023-11-19 03:25:16,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:25:16,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:16,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:16,511 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-11-19 03:25:17,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:17,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 54 states and 75 transitions. [2023-11-19 03:25:17,309 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2023-11-19 03:25:17,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:25:17,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:17,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:17,381 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-19 03:25:17,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:17,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 57 states and 80 transitions. [2023-11-19 03:25:17,908 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2023-11-19 03:25:17,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:25:17,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:17,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:17,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:18,009 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-19 03:25:18,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:18,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 58 states and 80 transitions. [2023-11-19 03:25:18,284 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 80 transitions. [2023-11-19 03:25:18,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:25:18,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:18,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:18,463 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-19 03:25:20,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:20,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 66 states and 89 transitions. [2023-11-19 03:25:20,002 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 89 transitions. [2023-11-19 03:25:20,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:25:20,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:20,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:20,602 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-19 03:25:21,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:21,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 72 states and 98 transitions. [2023-11-19 03:25:21,804 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 98 transitions. [2023-11-19 03:25:21,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:25:21,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:21,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:21,884 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-11-19 03:25:22,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:22,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 75 states and 103 transitions. [2023-11-19 03:25:22,489 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2023-11-19 03:25:22,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:25:22,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:22,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:22,589 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-11-19 03:25:22,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:22,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 76 states and 103 transitions. [2023-11-19 03:25:22,917 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 103 transitions. [2023-11-19 03:25:22,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 03:25:22,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:22,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:23,229 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-11-19 03:25:25,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:25,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 87 states and 115 transitions. [2023-11-19 03:25:25,588 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 115 transitions. [2023-11-19 03:25:25,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 03:25:25,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:25,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:26,278 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-19 03:25:27,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:27,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 93 states and 124 transitions. [2023-11-19 03:25:27,657 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 124 transitions. [2023-11-19 03:25:27,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 03:25:27,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:27,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:27,735 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2023-11-19 03:25:28,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:28,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 96 states and 129 transitions. [2023-11-19 03:25:28,418 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 129 transitions. [2023-11-19 03:25:28,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 03:25:28,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:28,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:28,499 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 03:25:28,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:28,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 97 states and 129 transitions. [2023-11-19 03:25:28,850 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 129 transitions. [2023-11-19 03:25:28,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-19 03:25:28,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:28,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:29,142 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 205 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2023-11-19 03:25:32,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:32,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 111 states and 144 transitions. [2023-11-19 03:25:32,562 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 144 transitions. [2023-11-19 03:25:32,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-19 03:25:32,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:32,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:33,408 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2023-11-19 03:25:35,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:35,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 117 states and 153 transitions. [2023-11-19 03:25:35,092 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 153 transitions. [2023-11-19 03:25:35,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-19 03:25:35,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:35,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:35,189 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2023-11-19 03:25:36,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:36,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 120 states and 158 transitions. [2023-11-19 03:25:36,013 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 158 transitions. [2023-11-19 03:25:36,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-19 03:25:36,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:36,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:36,104 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 90 proven. 2 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2023-11-19 03:25:36,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:36,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 121 states and 158 transitions. [2023-11-19 03:25:36,614 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 158 transitions. [2023-11-19 03:25:36,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-19 03:25:36,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:36,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:38,318 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 200 proven. 35 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2023-11-19 03:25:44,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:44,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 138 states and 177 transitions. [2023-11-19 03:25:44,618 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 177 transitions. [2023-11-19 03:25:44,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-19 03:25:44,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:44,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:44,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:45,781 INFO L134 CoverageAnalysis]: Checked inductivity of 683 backedges. 0 proven. 494 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2023-11-19 03:25:47,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:47,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 144 states and 186 transitions. [2023-11-19 03:25:47,895 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 186 transitions. [2023-11-19 03:25:47,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-19 03:25:47,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:47,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:47,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:47,992 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 78 proven. 1 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2023-11-19 03:25:48,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:48,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 147 states and 191 transitions. [2023-11-19 03:25:48,952 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 191 transitions. [2023-11-19 03:25:48,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-19 03:25:48,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:48,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:49,048 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 129 proven. 2 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2023-11-19 03:25:49,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:49,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 148 states and 191 transitions. [2023-11-19 03:25:49,665 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 191 transitions. [2023-11-19 03:25:49,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-19 03:25:49,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:49,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:50,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 0 proven. 782 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-19 03:25:57,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:57,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 168 states and 212 transitions. [2023-11-19 03:25:57,224 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 212 transitions. [2023-11-19 03:25:57,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-19 03:25:57,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:57,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:58,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1150 backedges. 0 proven. 873 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked.