./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_62f35655-d916-46c2-890d-e87c5856f332/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f35655-d916-46c2-890d-e87c5856f332/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f35655-d916-46c2-890d-e87c5856f332/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f35655-d916-46c2-890d-e87c5856f332/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f35655-d916-46c2-890d-e87c5856f332/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f35655-d916-46c2-890d-e87c5856f332/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3134c54bcf8aadaf562f6870f2277db1ec6f958b1ed6dba99e7410745dba79ba --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:54:33,404 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:54:33,483 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f35655-d916-46c2-890d-e87c5856f332/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:54:33,488 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:54:33,489 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:54:33,517 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:54:33,518 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:54:33,519 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:54:33,520 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:54:33,520 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:54:33,521 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:54:33,522 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:54:33,523 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:54:33,523 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:54:33,524 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:54:33,525 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:54:33,525 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:54:33,526 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:54:33,527 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:54:33,527 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:54:33,528 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:54:33,528 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:54:33,529 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:54:33,529 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:54:33,530 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:54:33,531 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:54:33,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:33,532 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:54:33,532 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:54:33,533 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:54:33,533 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:54:33,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:54:33,534 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:54:33,535 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_62f35655-d916-46c2-890d-e87c5856f332/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f35655-d916-46c2-890d-e87c5856f332/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3134c54bcf8aadaf562f6870f2277db1ec6f958b1ed6dba99e7410745dba79ba [2023-11-24 22:54:33,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:54:33,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:54:33,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:54:33,909 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:54:33,909 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:54:33,911 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f35655-d916-46c2-890d-e87c5856f332/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c [2023-11-24 22:54:37,058 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:54:37,373 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:54:37,374 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f35655-d916-46c2-890d-e87c5856f332/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c [2023-11-24 22:54:37,386 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f35655-d916-46c2-890d-e87c5856f332/bin/ukojak-verify-afCqCEvfdi/data/3193b6fab/1c67fbc00c3843f0a1381810a11a640e/FLAGd43711280 [2023-11-24 22:54:37,415 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f35655-d916-46c2-890d-e87c5856f332/bin/ukojak-verify-afCqCEvfdi/data/3193b6fab/1c67fbc00c3843f0a1381810a11a640e [2023-11-24 22:54:37,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:54:37,426 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:54:37,429 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:37,429 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:54:37,435 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:54:37,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:37" (1/1) ... [2023-11-24 22:54:37,441 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@226ea3db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:37, skipping insertion in model container [2023-11-24 22:54:37,442 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:37" (1/1) ... [2023-11-24 22:54:37,473 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:54:37,675 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_62f35655-d916-46c2-890d-e87c5856f332/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c[489,502] [2023-11-24 22:54:37,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:37,732 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:54:37,749 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_62f35655-d916-46c2-890d-e87c5856f332/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c[489,502] [2023-11-24 22:54:37,783 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:37,808 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:54:37,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:37 WrapperNode [2023-11-24 22:54:37,809 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:37,812 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:37,812 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:54:37,813 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:54:37,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:37" (1/1) ... [2023-11-24 22:54:37,832 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:37" (1/1) ... [2023-11-24 22:54:37,866 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57 [2023-11-24 22:54:37,867 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:37,868 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:54:37,869 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:54:37,869 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:54:37,879 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:37" (1/1) ... [2023-11-24 22:54:37,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:37" (1/1) ... [2023-11-24 22:54:37,881 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:37" (1/1) ... [2023-11-24 22:54:37,881 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:37" (1/1) ... [2023-11-24 22:54:37,885 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:37" (1/1) ... [2023-11-24 22:54:37,889 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:37" (1/1) ... [2023-11-24 22:54:37,890 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:37" (1/1) ... [2023-11-24 22:54:37,892 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:37" (1/1) ... [2023-11-24 22:54:37,894 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:54:37,895 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:54:37,895 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:54:37,896 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:54:37,897 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:37" (1/1) ... [2023-11-24 22:54:37,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:37,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f35655-d916-46c2-890d-e87c5856f332/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:54:37,947 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f35655-d916-46c2-890d-e87c5856f332/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:54:37,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f35655-d916-46c2-890d-e87c5856f332/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:54:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:54:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:54:37,987 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:54:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:54:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:54:37,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:54:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:54:37,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:54:38,075 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:54:38,078 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:54:38,377 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:54:38,467 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:54:38,468 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:54:38,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:38 BoogieIcfgContainer [2023-11-24 22:54:38,471 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:54:38,473 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:54:38,473 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:54:38,486 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:54:38,487 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:38" (1/1) ... [2023-11-24 22:54:38,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:54:38,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:38,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-11-24 22:54:38,584 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-11-24 22:54:38,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:54:38,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:38,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:38,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 22:54:38,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:38,973 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:54:39,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:39,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2023-11-24 22:54:39,147 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2023-11-24 22:54:39,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:54:39,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:39,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:39,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:54:39,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:39,562 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:54:40,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:40,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 72 transitions. [2023-11-24 22:54:40,061 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 72 transitions. [2023-11-24 22:54:40,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:54:40,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:40,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:40,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 22:54:40,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:40,213 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:54:40,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:40,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 41 states and 80 transitions. [2023-11-24 22:54:40,643 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 80 transitions. [2023-11-24 22:54:40,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:54:40,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:40,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:40,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-24 22:54:40,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:41,110 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 22:54:42,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:42,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 42 states and 84 transitions. [2023-11-24 22:54:42,559 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 84 transitions. [2023-11-24 22:54:42,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:54:42,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:42,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:42,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:54:42,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:42,811 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:54:44,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:44,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 46 states and 94 transitions. [2023-11-24 22:54:44,258 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 94 transitions. [2023-11-24 22:54:44,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:54:44,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:44,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:44,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:54:44,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:44,401 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-24 22:54:44,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:44,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 46 states and 92 transitions. [2023-11-24 22:54:44,502 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 92 transitions. [2023-11-24 22:54:44,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:54:44,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:44,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:44,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:44,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 22:54:44,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:45,052 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-24 22:54:46,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:46,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 50 states and 107 transitions. [2023-11-24 22:54:46,011 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 107 transitions. [2023-11-24 22:54:46,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 22:54:46,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:46,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:46,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 22:54:46,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:46,375 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-24 22:54:47,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:47,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 54 states and 118 transitions. [2023-11-24 22:54:47,567 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 118 transitions. [2023-11-24 22:54:47,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 22:54:47,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:47,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:47,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:47,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-24 22:54:47,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:48,503 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-24 22:54:50,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:50,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 58 states and 132 transitions. [2023-11-24 22:54:50,249 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 132 transitions. [2023-11-24 22:54:50,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 22:54:50,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:50,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:50,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-24 22:54:50,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:51,966 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:54:53,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:53,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 61 states and 140 transitions. [2023-11-24 22:54:53,653 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 140 transitions. [2023-11-24 22:54:53,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 22:54:53,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:53,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:53,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:54:53,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:53,951 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-24 22:54:55,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:55,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 64 states and 146 transitions. [2023-11-24 22:54:55,809 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 146 transitions. [2023-11-24 22:54:55,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:54:55,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:55,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:55,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:55,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 22:54:55,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:57,263 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-24 22:54:59,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:59,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 68 states and 160 transitions. [2023-11-24 22:54:59,779 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 160 transitions. [2023-11-24 22:54:59,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:54:59,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:59,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:59,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 22:54:59,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:00,844 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-24 22:55:02,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:02,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 71 states and 167 transitions. [2023-11-24 22:55:02,270 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 167 transitions. [2023-11-24 22:55:02,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:55:02,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:02,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:02,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 22:55:02,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:03,222 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-24 22:55:04,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:04,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 72 states and 169 transitions. [2023-11-24 22:55:04,134 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 169 transitions. [2023-11-24 22:55:04,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 22:55:04,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:04,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:04,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:55:04,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:04,567 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-24 22:55:14,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:14,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 76 states and 179 transitions. [2023-11-24 22:55:14,277 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 179 transitions. [2023-11-24 22:55:14,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:55:14,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:14,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:14,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 22:55:14,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:15,302 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-24 22:55:17,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:17,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 80 states and 198 transitions. [2023-11-24 22:55:17,846 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 198 transitions. [2023-11-24 22:55:17,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:55:17,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:17,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:17,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 22:55:17,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:18,336 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 14 proven. 22 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-24 22:55:20,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:20,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 82 states and 203 transitions. [2023-11-24 22:55:20,116 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 203 transitions. [2023-11-24 22:55:20,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:55:20,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:20,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:20,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 22:55:20,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:20,594 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 11 proven. 25 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-24 22:55:21,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:21,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 83 states and 204 transitions. [2023-11-24 22:55:21,230 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 204 transitions. [2023-11-24 22:55:21,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 22:55:21,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:21,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:21,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 22:55:21,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:21,306 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-24 22:55:23,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:23,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 85 states and 212 transitions. [2023-11-24 22:55:23,168 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 212 transitions. [2023-11-24 22:55:23,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 22:55:23,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:23,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:23,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:23,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 22:55:23,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:23,238 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-24 22:55:23,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:23,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 86 states and 213 transitions. [2023-11-24 22:55:23,753 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 213 transitions. [2023-11-24 22:55:23,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 22:55:23,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:23,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:23,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:23,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-24 22:55:23,820 INFO L285 TraceCheckSpWp]: Computing forward predicates...