./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aed0d510-510d-4149-b5e2-a367c2288a34/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aed0d510-510d-4149-b5e2-a367c2288a34/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_aed0d510-510d-4149-b5e2-a367c2288a34/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aed0d510-510d-4149-b5e2-a367c2288a34/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aed0d510-510d-4149-b5e2-a367c2288a34/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_aed0d510-510d-4149-b5e2-a367c2288a34/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 9f971bd1a6fba471cdece6d295ca31488341eb806ea8364f7549d05755c7a031 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:57:29,713 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:57:29,783 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aed0d510-510d-4149-b5e2-a367c2288a34/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:57:29,788 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:57:29,789 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:57:29,817 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:57:29,818 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:57:29,818 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:57:29,819 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:57:29,820 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:57:29,820 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:57:29,821 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:57:29,822 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:57:29,822 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:57:29,823 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:57:29,823 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:57:29,824 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:57:29,824 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:57:29,825 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:57:29,826 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:57:29,826 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:57:29,827 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:57:29,828 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:57:29,828 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:57:29,829 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:57:29,829 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:57:29,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:57:29,830 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:57:29,831 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:57:29,831 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:57:29,832 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:57:29,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:57:29,833 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:57:29,833 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_aed0d510-510d-4149-b5e2-a367c2288a34/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aed0d510-510d-4149-b5e2-a367c2288a34/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f971bd1a6fba471cdece6d295ca31488341eb806ea8364f7549d05755c7a031 [2023-11-19 02:57:30,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:57:30,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:57:30,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:57:30,115 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:57:30,116 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:57:30,117 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aed0d510-510d-4149-b5e2-a367c2288a34/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c [2023-11-19 02:57:33,182 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:57:33,418 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:57:33,419 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aed0d510-510d-4149-b5e2-a367c2288a34/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c [2023-11-19 02:57:33,427 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aed0d510-510d-4149-b5e2-a367c2288a34/bin/ukojak-verify-G8NBE6pJGL/data/7d4e4465b/591990fdf0b94fec8fef24cd70ad6174/FLAG6ac31d84f [2023-11-19 02:57:33,442 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aed0d510-510d-4149-b5e2-a367c2288a34/bin/ukojak-verify-G8NBE6pJGL/data/7d4e4465b/591990fdf0b94fec8fef24cd70ad6174 [2023-11-19 02:57:33,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:57:33,446 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:57:33,448 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:57:33,448 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:57:33,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:57:33,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:57:33" (1/1) ... [2023-11-19 02:57:33,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d95859f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:33, skipping insertion in model container [2023-11-19 02:57:33,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:57:33" (1/1) ... [2023-11-19 02:57:33,478 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:57:33,628 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_aed0d510-510d-4149-b5e2-a367c2288a34/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c[526,539] [2023-11-19 02:57:33,645 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:57:33,656 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:57:33,670 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_aed0d510-510d-4149-b5e2-a367c2288a34/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c[526,539] [2023-11-19 02:57:33,682 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:57:33,697 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:57:33,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:33 WrapperNode [2023-11-19 02:57:33,698 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:57:33,699 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:57:33,699 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:57:33,700 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:57:33,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:33" (1/1) ... [2023-11-19 02:57:33,717 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:33" (1/1) ... [2023-11-19 02:57:33,740 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 69 [2023-11-19 02:57:33,740 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:57:33,741 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:57:33,741 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:57:33,742 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:57:33,750 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:33" (1/1) ... [2023-11-19 02:57:33,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:33" (1/1) ... [2023-11-19 02:57:33,752 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:33" (1/1) ... [2023-11-19 02:57:33,752 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:33" (1/1) ... [2023-11-19 02:57:33,756 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:33" (1/1) ... [2023-11-19 02:57:33,760 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:33" (1/1) ... [2023-11-19 02:57:33,761 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:33" (1/1) ... [2023-11-19 02:57:33,762 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:33" (1/1) ... [2023-11-19 02:57:33,764 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:57:33,765 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:57:33,765 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:57:33,765 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:57:33,766 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:33" (1/1) ... [2023-11-19 02:57:33,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:57:33,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aed0d510-510d-4149-b5e2-a367c2288a34/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:57:33,805 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aed0d510-510d-4149-b5e2-a367c2288a34/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:57:33,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aed0d510-510d-4149-b5e2-a367c2288a34/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:57:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:57:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:57:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:57:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:57:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:57:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:57:33,910 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:57:33,912 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:57:34,085 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:57:34,123 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:57:34,123 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:57:34,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:34 BoogieIcfgContainer [2023-11-19 02:57:34,129 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:57:34,130 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:57:34,130 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:57:34,141 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:57:34,141 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:34" (1/1) ... [2023-11-19 02:57:34,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:57:34,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:34,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2023-11-19 02:57:34,210 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2023-11-19 02:57:34,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:57:34,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:34,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:34,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:57:34,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:34,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:34,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:34,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-11-19 02:57:34,501 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-11-19 02:57:34,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:57:34,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:34,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:34,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:34,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:34,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 43 transitions. [2023-11-19 02:57:34,894 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-11-19 02:57:34,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:57:34,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:34,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:34,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:34,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:57:34,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:35,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:35,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:35,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 46 transitions. [2023-11-19 02:57:35,231 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2023-11-19 02:57:35,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:57:35,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:35,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:35,412 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:35,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:35,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 52 transitions. [2023-11-19 02:57:35,777 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2023-11-19 02:57:35,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:57:35,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:35,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:35,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:57:35,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:35,988 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:57:36,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:36,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 61 transitions. [2023-11-19 02:57:36,672 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2023-11-19 02:57:36,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:57:36,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:36,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:36,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:57:36,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:36,806 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:57:37,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:37,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 71 transitions. [2023-11-19 02:57:37,028 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2023-11-19 02:57:37,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:57:37,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:37,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:37,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:57:37,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:37,183 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:57:38,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:38,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 52 states and 106 transitions. [2023-11-19 02:57:38,337 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 106 transitions. [2023-11-19 02:57:38,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:57:38,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:38,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:38,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:57:38,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:38,454 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:57:38,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:38,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 54 states and 112 transitions. [2023-11-19 02:57:38,872 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 112 transitions. [2023-11-19 02:57:38,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:57:38,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:38,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:38,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:57:38,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:38,996 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:57:39,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:39,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 59 states and 130 transitions. [2023-11-19 02:57:39,369 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 130 transitions. [2023-11-19 02:57:39,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:57:39,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:39,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:39,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:57:39,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:39,430 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 02:57:39,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:39,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 61 states and 131 transitions. [2023-11-19 02:57:39,804 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 131 transitions. [2023-11-19 02:57:39,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:57:39,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:39,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:39,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:39,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:57:39,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:40,032 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:57:41,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:41,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 66 states and 149 transitions. [2023-11-19 02:57:41,340 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 149 transitions. [2023-11-19 02:57:41,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:57:41,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:41,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:41,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:41,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:57:41,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:41,484 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:57:42,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:42,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 68 states and 150 transitions. [2023-11-19 02:57:42,024 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 150 transitions. [2023-11-19 02:57:42,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:57:42,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:42,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:42,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:57:42,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:42,114 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:57:42,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:42,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 71 states and 165 transitions. [2023-11-19 02:57:42,213 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 165 transitions. [2023-11-19 02:57:42,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:57:42,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:42,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:42,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:57:42,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:42,353 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:57:42,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:42,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 72 states and 167 transitions. [2023-11-19 02:57:42,658 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 167 transitions. [2023-11-19 02:57:42,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:57:42,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:42,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:42,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:57:42,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:42,783 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 02:57:43,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:43,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 75 states and 177 transitions. [2023-11-19 02:57:43,354 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 177 transitions. [2023-11-19 02:57:43,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:57:43,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:43,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:43,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:57:43,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:43,466 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-19 02:57:43,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:43,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 75 states and 175 transitions. [2023-11-19 02:57:43,774 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 175 transitions. [2023-11-19 02:57:43,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 02:57:43,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:43,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:43,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:43,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:57:43,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:44,009 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:57:46,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:46,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 85 states and 236 transitions. [2023-11-19 02:57:46,158 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 236 transitions. [2023-11-19 02:57:46,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 02:57:46,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:46,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:46,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:57:46,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:46,249 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:57:46,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:46,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 85 states and 235 transitions. [2023-11-19 02:57:46,543 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 235 transitions. [2023-11-19 02:57:46,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:57:46,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:46,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:46,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:57:46,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:46,684 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 02:57:47,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:47,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 90 states and 262 transitions. [2023-11-19 02:57:47,395 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 262 transitions. [2023-11-19 02:57:47,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:57:47,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:47,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:47,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:57:47,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:47,570 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 02:57:48,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:48,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 93 states and 270 transitions. [2023-11-19 02:57:48,475 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 270 transitions. [2023-11-19 02:57:48,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:57:48,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:48,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:48,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:48,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:57:48,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:48,660 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 36 proven. 42 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 02:57:49,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:49,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 95 states and 275 transitions. [2023-11-19 02:57:49,145 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 275 transitions. [2023-11-19 02:57:49,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:57:49,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:49,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:49,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:57:49,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:49,473 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 24 proven. 16 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 02:57:50,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:50,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 97 states and 276 transitions. [2023-11-19 02:57:50,312 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 276 transitions. [2023-11-19 02:57:50,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 02:57:50,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:50,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:50,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 02:57:50,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:50,582 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 02:57:52,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:52,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 102 states and 302 transitions. [2023-11-19 02:57:52,469 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 302 transitions. [2023-11-19 02:57:52,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 02:57:52,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:52,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:52,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:52,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 02:57:52,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:52,622 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 02:57:53,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:53,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 104 states and 303 transitions. [2023-11-19 02:57:53,484 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 303 transitions. [2023-11-19 02:57:53,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 02:57:53,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:53,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:53,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:53,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 02:57:53,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:53,640 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 02:57:54,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:54,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 106 states and 304 transitions. [2023-11-19 02:57:54,458 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 304 transitions. [2023-11-19 02:57:54,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:57:54,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:54,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:54,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:57:54,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:54,729 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 02:57:55,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:55,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 107 states and 310 transitions. [2023-11-19 02:57:55,275 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 310 transitions. [2023-11-19 02:57:55,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:57:55,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:55,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:55,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 02:57:55,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:55,869 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 24 proven. 22 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-19 02:57:59,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:59,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 119 states and 366 transitions. [2023-11-19 02:57:59,175 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 366 transitions. [2023-11-19 02:57:59,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:57:59,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:59,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:59,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:59,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:57:59,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:59,524 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 02:58:02,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:02,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 128 states and 447 transitions. [2023-11-19 02:58:02,284 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 447 transitions. [2023-11-19 02:58:02,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:58:02,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:02,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:02,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 02:58:02,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:02,599 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 24 proven. 22 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-19 02:58:03,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:03,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 131 states and 452 transitions. [2023-11-19 02:58:03,573 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 452 transitions. [2023-11-19 02:58:03,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:58:03,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:03,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:03,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 02:58:03,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:04,002 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 24 proven. 22 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-19 02:58:04,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:04,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 131 states and 451 transitions. [2023-11-19 02:58:04,877 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 451 transitions. [2023-11-19 02:58:04,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:58:04,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:04,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:04,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:04,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:58:04,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:04,987 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 02:58:05,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:05,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 131 states and 450 transitions. [2023-11-19 02:58:05,528 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 450 transitions. [2023-11-19 02:58:05,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:58:05,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:05,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:05,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:05,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 02:58:05,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:05,707 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 18 proven. 10 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 02:58:06,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:06,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 134 states and 460 transitions. [2023-11-19 02:58:06,934 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 460 transitions. [2023-11-19 02:58:06,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:58:06,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:06,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:06,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:58:07,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:07,078 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 02:58:09,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:09,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 138 states and 466 transitions. [2023-11-19 02:58:09,261 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 466 transitions. [2023-11-19 02:58:09,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:58:09,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:09,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:09,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:58:09,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:09,386 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-19 02:58:09,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:09,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 138 states and 463 transitions. [2023-11-19 02:58:09,909 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 463 transitions. [2023-11-19 02:58:09,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:58:09,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:09,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:09,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:58:09,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:10,033 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 02:58:10,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:10,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 138 states and 462 transitions. [2023-11-19 02:58:10,591 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 462 transitions. [2023-11-19 02:58:10,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:58:10,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:10,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:10,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:58:10,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:10,732 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 02:58:11,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:11,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 138 states and 461 transitions. [2023-11-19 02:58:11,286 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 461 transitions. [2023-11-19 02:58:11,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:58:11,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:11,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:11,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:58:11,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:11,547 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 02:58:13,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:13,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 141 states and 474 transitions. [2023-11-19 02:58:13,034 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 474 transitions. [2023-11-19 02:58:13,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 02:58:13,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:13,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:13,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:13,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 02:58:13,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:13,205 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 20 proven. 18 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 02:58:14,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:14,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 146 states and 513 transitions. [2023-11-19 02:58:14,795 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 513 transitions. [2023-11-19 02:58:14,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 02:58:14,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:14,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:14,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 02:58:14,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:14,975 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 20 proven. 18 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 02:58:16,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:16,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 149 states and 520 transitions. [2023-11-19 02:58:16,089 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 520 transitions. [2023-11-19 02:58:16,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 02:58:16,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:16,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:16,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:58:16,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:16,200 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 54 proven. 126 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-19 02:58:17,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:17,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 151 states and 525 transitions. [2023-11-19 02:58:17,114 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 525 transitions. [2023-11-19 02:58:17,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 02:58:17,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:17,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:17,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:58:17,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:17,343 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-11-19 02:58:21,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:21,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 154 states and 547 transitions. [2023-11-19 02:58:21,400 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 547 transitions. [2023-11-19 02:58:21,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 02:58:21,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:21,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:21,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:58:21,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:21,531 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 54 proven. 126 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-19 02:58:22,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:22,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 156 states and 554 transitions. [2023-11-19 02:58:22,635 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 554 transitions. [2023-11-19 02:58:22,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 02:58:22,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:22,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:22,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:58:22,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:22,751 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 54 proven. 126 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-19 02:58:24,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:24,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 158 states and 561 transitions. [2023-11-19 02:58:24,247 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 561 transitions. [2023-11-19 02:58:24,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 02:58:24,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:24,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:24,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:24,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:58:24,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:24,338 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-19 02:58:25,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:25,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 160 states and 562 transitions. [2023-11-19 02:58:25,216 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 562 transitions. [2023-11-19 02:58:25,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 02:58:25,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:25,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:25,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 02:58:25,276 INFO L285 TraceCheckSpWp]: Computing forward predicates...