./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_b3a8aeb8-fb08-4a98-bc13-90822d6bc53e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a8aeb8-fb08-4a98-bc13-90822d6bc53e/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_b3a8aeb8-fb08-4a98-bc13-90822d6bc53e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a8aeb8-fb08-4a98-bc13-90822d6bc53e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a8aeb8-fb08-4a98-bc13-90822d6bc53e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a8aeb8-fb08-4a98-bc13-90822d6bc53e/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30672bd579b7f25ffa685cb80d8a419cb542781c19afe0226ba5d9d3cf26984c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:15:40,500 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:15:40,612 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a8aeb8-fb08-4a98-bc13-90822d6bc53e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:15:40,616 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:15:40,616 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:15:40,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:15:40,641 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:15:40,641 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:15:40,642 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:15:40,642 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:15:40,643 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:15:40,644 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:15:40,644 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:15:40,645 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:15:40,645 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:15:40,646 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:15:40,646 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:15:40,647 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:15:40,648 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:15:40,648 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:15:40,649 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:15:40,649 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:15:40,650 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:15:40,650 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:15:40,651 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:15:40,651 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:15:40,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:40,653 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:15:40,653 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:15:40,653 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:15:40,654 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:15:40,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:15:40,655 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:15:40,655 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_b3a8aeb8-fb08-4a98-bc13-90822d6bc53e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a8aeb8-fb08-4a98-bc13-90822d6bc53e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30672bd579b7f25ffa685cb80d8a419cb542781c19afe0226ba5d9d3cf26984c [2023-11-19 03:15:40,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:15:40,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:15:40,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:15:40,960 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:15:40,960 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:15:40,962 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a8aeb8-fb08-4a98-bc13-90822d6bc53e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound100.c [2023-11-19 03:15:44,061 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:15:44,309 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:15:44,311 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a8aeb8-fb08-4a98-bc13-90822d6bc53e/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound100.c [2023-11-19 03:15:44,319 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a8aeb8-fb08-4a98-bc13-90822d6bc53e/bin/ukojak-verify-G8NBE6pJGL/data/adb41c33f/528e1e133f384c19b2b4bd4c85d4638b/FLAG82d5d8392 [2023-11-19 03:15:44,333 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a8aeb8-fb08-4a98-bc13-90822d6bc53e/bin/ukojak-verify-G8NBE6pJGL/data/adb41c33f/528e1e133f384c19b2b4bd4c85d4638b [2023-11-19 03:15:44,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:15:44,337 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:15:44,338 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:44,338 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:15:44,343 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:15:44,344 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:44" (1/1) ... [2023-11-19 03:15:44,345 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f0f5786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44, skipping insertion in model container [2023-11-19 03:15:44,345 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:44" (1/1) ... [2023-11-19 03:15:44,370 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:15:44,557 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a8aeb8-fb08-4a98-bc13-90822d6bc53e/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound100.c[490,503] [2023-11-19 03:15:44,606 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:44,619 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:15:44,634 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a8aeb8-fb08-4a98-bc13-90822d6bc53e/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound100.c[490,503] [2023-11-19 03:15:44,645 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:44,670 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:15:44,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44 WrapperNode [2023-11-19 03:15:44,671 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:44,672 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:44,672 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:15:44,672 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:15:44,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44" (1/1) ... [2023-11-19 03:15:44,686 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44" (1/1) ... [2023-11-19 03:15:44,708 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 86 [2023-11-19 03:15:44,709 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:44,709 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:15:44,709 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:15:44,710 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:15:44,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44" (1/1) ... [2023-11-19 03:15:44,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44" (1/1) ... [2023-11-19 03:15:44,721 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44" (1/1) ... [2023-11-19 03:15:44,721 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44" (1/1) ... [2023-11-19 03:15:44,725 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44" (1/1) ... [2023-11-19 03:15:44,729 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44" (1/1) ... [2023-11-19 03:15:44,730 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44" (1/1) ... [2023-11-19 03:15:44,731 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44" (1/1) ... [2023-11-19 03:15:44,733 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:15:44,734 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:15:44,734 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:15:44,735 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:15:44,735 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:44" (1/1) ... [2023-11-19 03:15:44,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:44,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a8aeb8-fb08-4a98-bc13-90822d6bc53e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:15:44,769 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a8aeb8-fb08-4a98-bc13-90822d6bc53e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:15:44,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a8aeb8-fb08-4a98-bc13-90822d6bc53e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:15:44,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:15:44,813 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:15:44,814 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:15:44,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:15:44,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:15:44,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:15:44,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:15:44,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:15:44,889 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:15:44,891 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:15:45,071 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:15:45,103 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:15:45,103 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:15:45,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:45 BoogieIcfgContainer [2023-11-19 03:15:45,108 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:15:45,109 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:15:45,109 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:15:45,119 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:15:45,119 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:45" (1/1) ... [2023-11-19 03:15:45,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:15:45,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:45,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2023-11-19 03:15:45,202 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2023-11-19 03:15:45,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:15:45,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:45,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:45,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:15:45,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:45,395 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:45,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:45,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2023-11-19 03:15:45,419 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2023-11-19 03:15:45,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:15:45,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:45,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:45,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:45,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:15:45,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:45,600 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:45,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:45,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2023-11-19 03:15:45,681 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2023-11-19 03:15:45,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:15:45,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:45,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:45,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:15:45,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:45,775 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:15:46,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:46,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 55 transitions. [2023-11-19 03:15:46,233 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 55 transitions. [2023-11-19 03:15:46,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:15:46,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:46,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:46,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:15:46,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:46,565 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:47,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:47,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 43 states and 72 transitions. [2023-11-19 03:15:47,219 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 72 transitions. [2023-11-19 03:15:47,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:15:47,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:47,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:47,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:15:47,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:47,353 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:47,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:47,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 46 states and 77 transitions. [2023-11-19 03:15:47,441 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 77 transitions. [2023-11-19 03:15:47,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:15:47,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:47,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:47,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:15:47,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:47,661 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:48,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:48,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 51 states and 89 transitions. [2023-11-19 03:15:48,572 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 89 transitions. [2023-11-19 03:15:48,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:15:48,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:48,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:48,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:15:48,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:48,787 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:49,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:49,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 54 states and 98 transitions. [2023-11-19 03:15:49,701 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 98 transitions. [2023-11-19 03:15:49,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:15:49,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:49,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:49,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:15:49,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:49,821 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:50,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:50,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 55 states and 99 transitions. [2023-11-19 03:15:50,191 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2023-11-19 03:15:50,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:15:50,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:50,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:50,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:15:50,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:50,344 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:51,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:51,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 62 states and 114 transitions. [2023-11-19 03:15:51,724 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 114 transitions. [2023-11-19 03:15:51,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:15:51,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:51,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:51,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:15:51,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:51,967 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 03:15:54,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:54,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 70 states and 131 transitions. [2023-11-19 03:15:54,072 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 131 transitions. [2023-11-19 03:15:54,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:15:54,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:54,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:54,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:15:54,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:54,370 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:15:57,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:57,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 79 states and 151 transitions. [2023-11-19 03:15:57,355 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 151 transitions. [2023-11-19 03:15:57,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:15:57,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:57,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:57,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:15:57,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:57,584 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:15:58,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:58,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 82 states and 156 transitions. [2023-11-19 03:15:58,686 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 156 transitions. [2023-11-19 03:15:58,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:15:58,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:58,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:58,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:15:58,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:58,904 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 03:15:59,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:59,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 89 states and 174 transitions. [2023-11-19 03:15:59,762 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 174 transitions. [2023-11-19 03:15:59,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:15:59,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:59,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:59,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:15:59,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:00,048 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 03:16:02,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:02,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 101 states and 254 transitions. [2023-11-19 03:16:02,747 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 254 transitions. [2023-11-19 03:16:02,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:16:02,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:02,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:02,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:16:02,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:03,154 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-19 03:16:09,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:09,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 111 states and 278 transitions. [2023-11-19 03:16:09,396 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 278 transitions. [2023-11-19 03:16:09,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:16:09,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:09,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:09,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:16:09,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:09,470 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-19 03:16:11,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:11,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 114 states and 283 transitions. [2023-11-19 03:16:11,366 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 283 transitions. [2023-11-19 03:16:11,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:16:11,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:11,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:11,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:16:11,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:11,614 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 03:16:12,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:12,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 116 states and 285 transitions. [2023-11-19 03:16:12,650 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 285 transitions. [2023-11-19 03:16:12,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:16:12,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:12,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:12,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:16:12,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:13,157 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 16 proven. 10 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:16:17,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:17,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 123 states and 313 transitions. [2023-11-19 03:16:17,062 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 313 transitions. [2023-11-19 03:16:17,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 03:16:17,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:17,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:17,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:16:17,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:17,444 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 03:16:19,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:19,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 126 states and 326 transitions. [2023-11-19 03:16:19,406 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 326 transitions. [2023-11-19 03:16:19,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:16:19,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:19,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:19,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:16:19,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:20,552 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-11-19 03:16:28,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:28,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 136 states and 357 transitions. [2023-11-19 03:16:28,213 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 357 transitions. [2023-11-19 03:16:28,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:16:28,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:28,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:28,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 03:16:28,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:30,000 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked.