./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_9072ed0b-f86d-4bc9-8e5d-8dfb03f291aa/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9072ed0b-f86d-4bc9-8e5d-8dfb03f291aa/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_9072ed0b-f86d-4bc9-8e5d-8dfb03f291aa/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9072ed0b-f86d-4bc9-8e5d-8dfb03f291aa/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9072ed0b-f86d-4bc9-8e5d-8dfb03f291aa/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9072ed0b-f86d-4bc9-8e5d-8dfb03f291aa/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 32bit --witnessprinter.graph.data.programhash 0a6d36c45579adaf3871b264b96aba9fa14294bc645c23d191a4e77c149500df --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:12:15,944 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:12:16,099 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9072ed0b-f86d-4bc9-8e5d-8dfb03f291aa/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:12:16,114 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:12:16,115 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:12:16,158 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:12:16,159 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:12:16,159 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:12:16,160 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:12:16,161 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:12:16,161 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:12:16,162 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:12:16,163 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:12:16,163 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:12:16,164 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:12:16,164 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:12:16,165 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:12:16,166 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:12:16,166 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:12:16,167 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:12:16,167 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:12:16,174 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:12:16,174 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:12:16,174 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:12:16,175 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:12:16,175 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:12:16,176 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:12:16,176 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:12:16,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:12:16,177 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:12:16,178 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:12:16,178 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:12:16,179 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:12:16,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:12:16,179 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:12:16,180 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_9072ed0b-f86d-4bc9-8e5d-8dfb03f291aa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9072ed0b-f86d-4bc9-8e5d-8dfb03f291aa/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a6d36c45579adaf3871b264b96aba9fa14294bc645c23d191a4e77c149500df [2023-11-19 03:12:16,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:12:16,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:12:16,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:12:16,595 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:12:16,596 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:12:16,598 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9072ed0b-f86d-4bc9-8e5d-8dfb03f291aa/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound10.c [2023-11-19 03:12:19,770 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:12:20,021 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:12:20,021 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9072ed0b-f86d-4bc9-8e5d-8dfb03f291aa/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound10.c [2023-11-19 03:12:20,029 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9072ed0b-f86d-4bc9-8e5d-8dfb03f291aa/bin/ukojak-verify-G8NBE6pJGL/data/d15a844b2/83a46bfb15aa4cbaab01011455515c79/FLAGdc603ae23 [2023-11-19 03:12:20,042 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9072ed0b-f86d-4bc9-8e5d-8dfb03f291aa/bin/ukojak-verify-G8NBE6pJGL/data/d15a844b2/83a46bfb15aa4cbaab01011455515c79 [2023-11-19 03:12:20,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:12:20,046 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:12:20,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:12:20,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:12:20,052 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:12:20,053 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:12:20" (1/1) ... [2023-11-19 03:12:20,054 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b4d82e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:20, skipping insertion in model container [2023-11-19 03:12:20,054 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:12:20" (1/1) ... [2023-11-19 03:12:20,077 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:12:20,282 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:12:20,295 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:12:20,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:12:20,344 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:12:20,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:20 WrapperNode [2023-11-19 03:12:20,345 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:12:20,347 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:12:20,347 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:12:20,347 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:12:20,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:20" (1/1) ... [2023-11-19 03:12:20,377 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:20" (1/1) ... [2023-11-19 03:12:20,420 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 124 [2023-11-19 03:12:20,421 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:12:20,423 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:12:20,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:12:20,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:12:20,435 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:20" (1/1) ... [2023-11-19 03:12:20,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:20" (1/1) ... [2023-11-19 03:12:20,444 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:20" (1/1) ... [2023-11-19 03:12:20,445 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:20" (1/1) ... [2023-11-19 03:12:20,449 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:20" (1/1) ... [2023-11-19 03:12:20,453 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:20" (1/1) ... [2023-11-19 03:12:20,455 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:20" (1/1) ... [2023-11-19 03:12:20,456 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:20" (1/1) ... [2023-11-19 03:12:20,458 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:12:20,460 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:12:20,460 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:12:20,460 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:12:20,461 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:20" (1/1) ... [2023-11-19 03:12:20,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:12:20,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9072ed0b-f86d-4bc9-8e5d-8dfb03f291aa/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:12:20,503 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9072ed0b-f86d-4bc9-8e5d-8dfb03f291aa/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:12:20,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9072ed0b-f86d-4bc9-8e5d-8dfb03f291aa/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:12:20,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:12:20,548 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:12:20,549 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:12:20,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:12:20,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:12:20,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:12:20,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:12:20,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:12:20,619 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:12:20,622 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:12:21,163 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:12:21,205 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:12:21,205 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:12:21,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:12:21 BoogieIcfgContainer [2023-11-19 03:12:21,211 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:12:21,212 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:12:21,212 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:12:21,220 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:12:21,220 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:12:21" (1/1) ... [2023-11-19 03:12:21,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:12:21,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:21,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 137 states and 147 transitions. [2023-11-19 03:12:21,282 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 147 transitions. [2023-11-19 03:12:21,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:12:21,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:21,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:21,611 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 03:12:21,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:21,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 139 states and 150 transitions. [2023-11-19 03:12:21,709 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 150 transitions. [2023-11-19 03:12:21,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:12:21,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:21,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:21,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:12:21,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:21,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 140 states and 151 transitions. [2023-11-19 03:12:21,823 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 151 transitions. [2023-11-19 03:12:21,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:12:21,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:21,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:21,888 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 03:12:21,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:21,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 141 states and 152 transitions. [2023-11-19 03:12:21,910 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 152 transitions. [2023-11-19 03:12:21,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:12:21,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:21,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:21,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:12:21,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:22,012 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 03:12:22,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:22,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 146 states and 160 transitions. [2023-11-19 03:12:22,191 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 160 transitions. [2023-11-19 03:12:22,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:12:22,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:22,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:22,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:22,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:12:22,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:22,320 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 03:12:22,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:22,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 147 states and 161 transitions. [2023-11-19 03:12:22,372 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 161 transitions. [2023-11-19 03:12:22,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:12:22,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:22,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:22,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:22,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:12:22,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:22,481 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 03:12:22,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:22,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 154 states and 172 transitions. [2023-11-19 03:12:22,865 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 172 transitions. [2023-11-19 03:12:22,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:12:22,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:22,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:22,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:12:22,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:22,944 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 03:12:22,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:22,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 155 states and 173 transitions. [2023-11-19 03:12:22,970 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 173 transitions. [2023-11-19 03:12:22,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:12:22,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:22,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:23,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:23,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:12:23,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:23,143 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 03:12:23,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:23,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 158 states and 176 transitions. [2023-11-19 03:12:23,246 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 176 transitions. [2023-11-19 03:12:23,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:12:23,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:23,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:23,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:12:23,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:23,408 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 03:12:23,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:23,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 159 states and 177 transitions. [2023-11-19 03:12:23,453 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 177 transitions. [2023-11-19 03:12:23,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:12:23,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:23,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:23,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:23,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:12:23,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:23,582 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 03:12:24,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:24,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 171 states and 194 transitions. [2023-11-19 03:12:24,100 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 194 transitions. [2023-11-19 03:12:24,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:12:24,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:24,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:24,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:12:24,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:24,169 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 03:12:24,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:24,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 172 states and 195 transitions. [2023-11-19 03:12:24,193 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 195 transitions. [2023-11-19 03:12:24,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:12:24,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:24,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:24,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:12:24,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:24,401 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 03:12:25,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:25,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 186 states and 215 transitions. [2023-11-19 03:12:25,515 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 215 transitions. [2023-11-19 03:12:25,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:12:25,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:25,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:25,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:12:25,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:25,738 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 03:12:27,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:27,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 201 states and 237 transitions. [2023-11-19 03:12:27,312 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 237 transitions. [2023-11-19 03:12:27,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:12:27,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:27,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:27,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:12:27,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:27,463 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 03:12:28,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:28,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 204 states and 242 transitions. [2023-11-19 03:12:28,030 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 242 transitions. [2023-11-19 03:12:28,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:12:28,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:28,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:28,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:28,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:12:28,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:28,241 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 03:12:28,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:28,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 205 states and 243 transitions. [2023-11-19 03:12:28,989 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 243 transitions. [2023-11-19 03:12:28,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:12:28,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:28,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:29,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:12:29,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:29,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:12:30,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:30,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 214 states and 258 transitions. [2023-11-19 03:12:30,671 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 258 transitions. [2023-11-19 03:12:30,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:12:30,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:30,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:30,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:12:30,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:30,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:12:30,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:30,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 215 states and 259 transitions. [2023-11-19 03:12:30,764 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 259 transitions. [2023-11-19 03:12:30,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:12:30,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:30,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:30,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:30,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:12:30,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:31,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:12:33,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:33,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 236 states and 289 transitions. [2023-11-19 03:12:33,957 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 289 transitions. [2023-11-19 03:12:33,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:12:33,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:33,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:33,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:12:33,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:34,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:12:37,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:37,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 258 states and 321 transitions. [2023-11-19 03:12:37,227 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 321 transitions. [2023-11-19 03:12:37,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:12:37,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:37,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:37,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:12:37,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:37,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:12:38,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:38,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 261 states and 326 transitions. [2023-11-19 03:12:38,037 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 326 transitions. [2023-11-19 03:12:38,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:12:38,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:38,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:38,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:38,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:12:38,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:38,251 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:12:38,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:38,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 262 states and 327 transitions. [2023-11-19 03:12:38,975 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 327 transitions. [2023-11-19 03:12:38,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:12:38,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:38,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:39,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:39,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:12:39,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:39,078 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:12:39,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:39,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 263 states and 329 transitions. [2023-11-19 03:12:39,167 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 329 transitions. [2023-11-19 03:12:39,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:12:39,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:39,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:39,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:12:39,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:39,277 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:12:39,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:39,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 265 states and 332 transitions. [2023-11-19 03:12:39,478 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 332 transitions. [2023-11-19 03:12:39,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:12:39,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:39,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:39,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:12:39,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:39,511 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:12:39,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:39,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 264 states and 331 transitions. [2023-11-19 03:12:39,536 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 331 transitions. [2023-11-19 03:12:39,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:12:39,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:39,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:39,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:39,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:12:39,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:39,568 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:12:39,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:39,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 263 states and 330 transitions. [2023-11-19 03:12:39,592 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 330 transitions. [2023-11-19 03:12:39,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:12:39,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:39,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:39,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:12:39,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:39,953 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:12:44,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:44,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 292 states and 373 transitions. [2023-11-19 03:12:44,840 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 373 transitions. [2023-11-19 03:12:44,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:12:44,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:44,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:44,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:12:44,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:45,202 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:12:50,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:50,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 321 states and 414 transitions. [2023-11-19 03:12:50,321 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 414 transitions. [2023-11-19 03:12:50,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:12:50,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:50,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:50,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:12:50,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:50,580 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:12:55,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:55,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 336 states and 439 transitions. [2023-11-19 03:12:55,550 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 439 transitions. [2023-11-19 03:12:55,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:12:55,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:55,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:55,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:12:55,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:55,789 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:13:00,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:00,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 351 states and 464 transitions. [2023-11-19 03:13:00,569 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 464 transitions. [2023-11-19 03:13:00,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:13:00,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:00,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:00,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:00,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:13:00,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:00,841 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:13:04,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:04,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 364 states and 489 transitions. [2023-11-19 03:13:04,769 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 489 transitions. [2023-11-19 03:13:04,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:13:04,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:04,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:04,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:04,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:13:04,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:04,935 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:13:06,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:06,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 368 states and 495 transitions. [2023-11-19 03:13:06,190 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 495 transitions. [2023-11-19 03:13:06,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:13:06,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:06,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:06,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:13:06,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:06,326 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:13:07,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:07,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 372 states and 501 transitions. [2023-11-19 03:13:07,360 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 501 transitions. [2023-11-19 03:13:07,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:13:07,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:07,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:07,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:07,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:13:07,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:07,633 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.