./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e92aac8-cf78-40cb-84e0-375ade6cb453/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e92aac8-cf78-40cb-84e0-375ade6cb453/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_4e92aac8-cf78-40cb-84e0-375ade6cb453/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e92aac8-cf78-40cb-84e0-375ade6cb453/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e92aac8-cf78-40cb-84e0-375ade6cb453/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_4e92aac8-cf78-40cb-84e0-375ade6cb453/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 8d4ed8c57ce722a6c7368f844e0bd557207245c570ed48ded2021df85adb4676 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:04:10,466 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:04:10,584 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e92aac8-cf78-40cb-84e0-375ade6cb453/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:04:10,589 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:04:10,590 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:04:10,616 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:04:10,617 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:04:10,618 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:04:10,619 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:04:10,619 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:04:10,620 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:04:10,621 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:04:10,622 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:04:10,622 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:04:10,623 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:04:10,624 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:04:10,624 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:04:10,625 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:04:10,626 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:04:10,626 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:04:10,627 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:04:10,628 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:04:10,628 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:04:10,629 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:04:10,629 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:04:10,630 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:04:10,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:10,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:04:10,632 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:04:10,632 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:04:10,633 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:04:10,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:04:10,634 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:04:10,634 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_4e92aac8-cf78-40cb-84e0-375ade6cb453/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e92aac8-cf78-40cb-84e0-375ade6cb453/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d4ed8c57ce722a6c7368f844e0bd557207245c570ed48ded2021df85adb4676 [2023-11-24 23:04:10,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:04:10,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:04:10,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:04:10,989 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:04:10,989 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:04:10,991 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e92aac8-cf78-40cb-84e0-375ade6cb453/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound10.c [2023-11-24 23:04:14,128 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:04:14,342 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:04:14,343 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e92aac8-cf78-40cb-84e0-375ade6cb453/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound10.c [2023-11-24 23:04:14,351 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e92aac8-cf78-40cb-84e0-375ade6cb453/bin/ukojak-verify-afCqCEvfdi/data/b45f9dde7/7947425f40f14def93a8d4d338e95abd/FLAG560d12ee5 [2023-11-24 23:04:14,367 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e92aac8-cf78-40cb-84e0-375ade6cb453/bin/ukojak-verify-afCqCEvfdi/data/b45f9dde7/7947425f40f14def93a8d4d338e95abd [2023-11-24 23:04:14,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:04:14,372 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:04:14,373 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:14,374 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:04:14,378 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:04:14,379 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:14" (1/1) ... [2023-11-24 23:04:14,380 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b25da31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:14, skipping insertion in model container [2023-11-24 23:04:14,381 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:14" (1/1) ... [2023-11-24 23:04:14,403 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:04:14,574 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_4e92aac8-cf78-40cb-84e0-375ade6cb453/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound10.c[588,601] [2023-11-24 23:04:14,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:14,608 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:04:14,620 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_4e92aac8-cf78-40cb-84e0-375ade6cb453/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound10.c[588,601] [2023-11-24 23:04:14,638 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:14,653 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:04:14,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:14 WrapperNode [2023-11-24 23:04:14,654 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:14,655 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:14,655 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:04:14,656 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:04:14,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:14" (1/1) ... [2023-11-24 23:04:14,682 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:14" (1/1) ... [2023-11-24 23:04:14,705 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2023-11-24 23:04:14,705 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:14,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:04:14,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:04:14,707 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:04:14,717 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:14" (1/1) ... [2023-11-24 23:04:14,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:14" (1/1) ... [2023-11-24 23:04:14,719 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:14" (1/1) ... [2023-11-24 23:04:14,719 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:14" (1/1) ... [2023-11-24 23:04:14,723 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:14" (1/1) ... [2023-11-24 23:04:14,726 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:14" (1/1) ... [2023-11-24 23:04:14,727 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:14" (1/1) ... [2023-11-24 23:04:14,728 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:14" (1/1) ... [2023-11-24 23:04:14,730 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:04:14,731 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:04:14,731 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:04:14,732 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:04:14,733 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:14" (1/1) ... [2023-11-24 23:04:14,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:14,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e92aac8-cf78-40cb-84e0-375ade6cb453/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:04:14,771 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e92aac8-cf78-40cb-84e0-375ade6cb453/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:04:14,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e92aac8-cf78-40cb-84e0-375ade6cb453/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:04:14,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:04:14,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:04:14,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:04:14,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:04:14,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:04:14,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:04:14,859 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:04:14,861 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:04:15,032 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:04:15,057 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:04:15,057 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:04:15,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:15 BoogieIcfgContainer [2023-11-24 23:04:15,059 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:04:15,060 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:04:15,060 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:04:15,069 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:04:15,070 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:15" (1/1) ... [2023-11-24 23:04:15,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:04:15,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:15,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2023-11-24 23:04:15,154 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2023-11-24 23:04:15,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:04:15,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:15,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:15,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:15,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:15,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2023-11-24 23:04:15,326 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2023-11-24 23:04:15,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:04:15,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:15,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:15,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:15,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:15,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:15,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2023-11-24 23:04:15,610 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2023-11-24 23:04:15,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:04:15,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:15,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:15,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:16,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:16,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 53 transitions. [2023-11-24 23:04:16,041 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2023-11-24 23:04:16,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:04:16,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:16,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:16,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 23:04:16,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:16,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:17,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:17,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2023-11-24 23:04:17,070 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2023-11-24 23:04:17,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:04:17,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:17,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:17,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 23:04:17,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:17,232 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:04:18,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:18,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 39 states and 71 transitions. [2023-11-24 23:04:18,068 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 71 transitions. [2023-11-24 23:04:18,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:04:18,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:18,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:18,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 23:04:18,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:18,257 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:04:18,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:18,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 40 states and 73 transitions. [2023-11-24 23:04:18,574 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 73 transitions. [2023-11-24 23:04:18,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:04:18,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:18,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:18,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 23:04:18,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:18,710 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:04:18,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:18,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 41 states and 75 transitions. [2023-11-24 23:04:18,805 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 75 transitions. [2023-11-24 23:04:18,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:04:18,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:18,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:18,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:04:18,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:18,893 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 23:04:19,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:19,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 79 transitions. [2023-11-24 23:04:19,164 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2023-11-24 23:04:19,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 23:04:19,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:19,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:19,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:19,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:04:19,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:19,371 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-24 23:04:21,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:21,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 55 states and 129 transitions. [2023-11-24 23:04:21,055 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 129 transitions. [2023-11-24 23:04:21,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 23:04:21,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:21,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:21,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:04:21,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:21,313 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-24 23:04:22,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:22,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 58 states and 134 transitions. [2023-11-24 23:04:22,096 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 134 transitions. [2023-11-24 23:04:22,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:04:22,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:22,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:22,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 23:04:22,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:22,275 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 23:04:22,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:22,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 60 states and 144 transitions. [2023-11-24 23:04:22,927 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 144 transitions. [2023-11-24 23:04:22,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 23:04:22,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:22,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:22,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 23:04:22,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:23,157 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 11 proven. 20 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 23:04:24,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:24,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 64 states and 156 transitions. [2023-11-24 23:04:24,394 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 156 transitions. [2023-11-24 23:04:24,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 23:04:24,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:24,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:24,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 23:04:24,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:24,529 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 11 proven. 20 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 23:04:25,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:25,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 64 states and 155 transitions. [2023-11-24 23:04:25,087 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 155 transitions. [2023-11-24 23:04:25,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 23:04:25,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:25,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:25,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:25,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 23:04:25,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:25,225 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-24 23:04:25,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:25,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 67 states and 171 transitions. [2023-11-24 23:04:25,585 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 171 transitions. [2023-11-24 23:04:25,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 23:04:25,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:25,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:25,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 23:04:25,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:25,809 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 13 proven. 24 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-24 23:04:27,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:27,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 70 states and 185 transitions. [2023-11-24 23:04:27,164 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 185 transitions. [2023-11-24 23:04:27,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 23:04:27,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:27,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:27,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 23:04:27,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:27,313 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 13 proven. 24 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-24 23:04:27,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:27,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 70 states and 184 transitions. [2023-11-24 23:04:27,863 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 184 transitions. [2023-11-24 23:04:27,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 23:04:27,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:27,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:27,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 23:04:27,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:28,022 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 15 proven. 22 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-24 23:04:28,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:28,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 72 states and 192 transitions. [2023-11-24 23:04:28,247 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 192 transitions. [2023-11-24 23:04:28,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 23:04:28,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:28,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:28,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 23:04:28,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:28,521 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 15 proven. 28 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-24 23:04:29,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:29,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 73 states and 196 transitions. [2023-11-24 23:04:29,318 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 196 transitions. [2023-11-24 23:04:29,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 23:04:29,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:29,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:29,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:04:29,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:29,578 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 29 proven. 13 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-24 23:04:29,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:29,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 74 states and 198 transitions. [2023-11-24 23:04:29,795 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 198 transitions. [2023-11-24 23:04:29,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 23:04:29,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:29,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:29,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 23:04:29,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:30,027 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 17 proven. 32 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-24 23:04:30,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:30,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 75 states and 204 transitions. [2023-11-24 23:04:30,928 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 204 transitions. [2023-11-24 23:04:30,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 23:04:30,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:30,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:30,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:30,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:04:30,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:31,681 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 28 proven. 19 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-24 23:04:33,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:33,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 77 states and 210 transitions. [2023-11-24 23:04:33,611 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 210 transitions. [2023-11-24 23:04:33,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 23:04:33,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:33,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:33,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:33,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:04:33,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:33,687 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-11-24 23:04:34,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:34,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 77 states and 208 transitions. [2023-11-24 23:04:34,050 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 208 transitions. [2023-11-24 23:04:34,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 23:04:34,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:34,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:34,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:34,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:04:34,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:34,344 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 20 proven. 112 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-11-24 23:04:36,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:36,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 89 states and 297 transitions. [2023-11-24 23:04:36,961 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 297 transitions. [2023-11-24 23:04:36,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 23:04:36,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:36,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:37,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:37,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 23:04:37,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:37,191 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-24 23:04:38,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:38,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 92 states and 301 transitions. [2023-11-24 23:04:38,364 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 301 transitions. [2023-11-24 23:04:38,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 23:04:38,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:38,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:38,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 23:04:38,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:38,491 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-24 23:04:39,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:39,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 95 states and 306 transitions. [2023-11-24 23:04:39,643 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 306 transitions. [2023-11-24 23:04:39,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 23:04:39,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:39,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:39,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:04:39,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:39,763 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 20 proven. 112 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-11-24 23:04:40,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:40,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 95 states and 305 transitions. [2023-11-24 23:04:40,204 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 305 transitions. [2023-11-24 23:04:40,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-24 23:04:40,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:40,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:40,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:40,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 23:04:40,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:40,771 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 21 proven. 39 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-24 23:04:44,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:44,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 103 states and 345 transitions. [2023-11-24 23:04:44,375 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 345 transitions. [2023-11-24 23:04:44,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-24 23:04:44,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:44,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:44,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:44,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 23:04:44,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:44,587 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 21 proven. 39 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-24 23:04:45,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:45,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 104 states and 346 transitions. [2023-11-24 23:04:45,815 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 346 transitions. [2023-11-24 23:04:45,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-24 23:04:45,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:45,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:45,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:04:45,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:46,571 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 21 proven. 47 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-24 23:04:49,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:49,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 108 states and 364 transitions. [2023-11-24 23:04:49,223 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 364 transitions. [2023-11-24 23:04:49,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-24 23:04:49,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:49,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:49,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:04:49,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:49,841 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 21 proven. 47 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-24 23:04:51,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:51,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 110 states and 366 transitions. [2023-11-24 23:04:51,213 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 366 transitions. [2023-11-24 23:04:51,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-24 23:04:51,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:51,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:51,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:04:51,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:51,929 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 21 proven. 47 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-24 23:04:52,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:52,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 112 states and 368 transitions. [2023-11-24 23:04:52,828 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 368 transitions. [2023-11-24 23:04:52,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-24 23:04:52,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:52,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:52,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 23:04:52,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:53,323 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 23 proven. 42 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-24 23:04:54,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:54,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 115 states and 391 transitions. [2023-11-24 23:04:54,922 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 391 transitions. [2023-11-24 23:04:54,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-24 23:04:54,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:54,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:54,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 23:04:54,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:55,268 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 23 proven. 52 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-24 23:04:58,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:58,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 120 states and 414 transitions. [2023-11-24 23:04:58,305 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 414 transitions. [2023-11-24 23:04:58,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-24 23:04:58,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:58,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:58,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:58,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 23:04:58,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:58,528 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 23 proven. 52 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-24 23:04:59,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:59,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 122 states and 415 transitions. [2023-11-24 23:04:59,499 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 415 transitions. [2023-11-24 23:04:59,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-24 23:04:59,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:59,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:59,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 23:04:59,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:59,701 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 23 proven. 52 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-24 23:05:01,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:01,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 124 states and 416 transitions. [2023-11-24 23:05:01,209 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 416 transitions. [2023-11-24 23:05:01,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-24 23:05:01,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:01,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:01,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-24 23:05:01,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:01,602 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 25 proven. 45 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-24 23:05:03,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:03,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 128 states and 448 transitions. [2023-11-24 23:05:03,764 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 448 transitions. [2023-11-24 23:05:03,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-24 23:05:03,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:03,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:03,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:05:03,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:04,184 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 25 proven. 57 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-24 23:05:05,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:05,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 129 states and 454 transitions. [2023-11-24 23:05:05,608 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 454 transitions. [2023-11-24 23:05:05,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-24 23:05:05,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:05,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:05,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:05,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:05:05,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:05,711 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 55 proven. 13 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2023-11-24 23:05:07,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:07,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 130 states and 457 transitions. [2023-11-24 23:05:07,383 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 457 transitions. [2023-11-24 23:05:07,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-24 23:05:07,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:07,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:07,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:07,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 23:05:07,441 INFO L285 TraceCheckSpWp]: Computing forward predicates...