./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7510d5-fe1d-4369-9bb1-3b21b985fefb/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7510d5-fe1d-4369-9bb1-3b21b985fefb/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7510d5-fe1d-4369-9bb1-3b21b985fefb/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7510d5-fe1d-4369-9bb1-3b21b985fefb/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7510d5-fe1d-4369-9bb1-3b21b985fefb/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7510d5-fe1d-4369-9bb1-3b21b985fefb/bin/ukojak-verify-ENZ3QT5qd3 --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 acfb876dde79fce1275c4e206713974ad548aff8bf1022b4ac21a21145aaa523 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:27:32,593 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:27:32,689 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7510d5-fe1d-4369-9bb1-3b21b985fefb/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:27:32,696 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:27:32,696 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:27:32,720 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:27:32,723 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:27:32,723 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:27:32,724 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:27:32,724 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:27:32,725 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:27:32,725 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:27:32,725 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:27:32,725 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:27:32,725 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:27:32,725 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:27:32,725 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:27:32,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:27:32,726 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:27:32,726 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:27:32,726 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:27:32,726 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:27:32,726 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:27:32,726 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:27:32,726 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:27:32,726 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:27:32,726 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:27:32,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:27:32,727 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:27:32,728 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:27:32,728 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:27:32,728 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:27:32,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:27:32,729 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_0b7510d5-fe1d-4369-9bb1-3b21b985fefb/bin/ukojak-verify-ENZ3QT5qd3 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 -> acfb876dde79fce1275c4e206713974ad548aff8bf1022b4ac21a21145aaa523 [2024-11-25 02:27:33,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:27:33,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:27:33,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:27:33,095 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:27:33,096 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:27:33,098 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7510d5-fe1d-4369-9bb1-3b21b985fefb/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound10.c [2024-11-25 02:27:36,158 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7510d5-fe1d-4369-9bb1-3b21b985fefb/bin/ukojak-verify-ENZ3QT5qd3/data/04bbaed67/768faef0ae8f4600a4d9db5247d4d3cd/FLAGb3c5101b4 [2024-11-25 02:27:36,432 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:27:36,445 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7510d5-fe1d-4369-9bb1-3b21b985fefb/sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound10.c [2024-11-25 02:27:36,457 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7510d5-fe1d-4369-9bb1-3b21b985fefb/bin/ukojak-verify-ENZ3QT5qd3/data/04bbaed67/768faef0ae8f4600a4d9db5247d4d3cd/FLAGb3c5101b4 [2024-11-25 02:27:36,714 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7510d5-fe1d-4369-9bb1-3b21b985fefb/bin/ukojak-verify-ENZ3QT5qd3/data/04bbaed67/768faef0ae8f4600a4d9db5247d4d3cd [2024-11-25 02:27:36,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:27:36,718 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:27:36,719 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:27:36,720 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:27:36,724 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:27:36,725 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:27:36" (1/1) ... [2024-11-25 02:27:36,726 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ded057b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:36, skipping insertion in model container [2024-11-25 02:27:36,726 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:27:36" (1/1) ... [2024-11-25 02:27:36,740 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:27:36,899 WARN L250 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_0b7510d5-fe1d-4369-9bb1-3b21b985fefb/sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound10.c[537,550] [2024-11-25 02:27:36,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:27:36,937 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:27:36,947 WARN L250 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_0b7510d5-fe1d-4369-9bb1-3b21b985fefb/sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound10.c[537,550] [2024-11-25 02:27:36,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:27:36,967 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:27:36,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:36 WrapperNode [2024-11-25 02:27:36,967 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:27:36,968 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:27:36,968 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:27:36,969 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:27:36,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:36" (1/1) ... [2024-11-25 02:27:36,982 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:36" (1/1) ... [2024-11-25 02:27:37,006 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2024-11-25 02:27:37,007 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:27:37,007 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:27:37,007 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:27:37,007 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:27:37,015 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:36" (1/1) ... [2024-11-25 02:27:37,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:36" (1/1) ... [2024-11-25 02:27:37,020 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:36" (1/1) ... [2024-11-25 02:27:37,021 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:36" (1/1) ... [2024-11-25 02:27:37,027 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:36" (1/1) ... [2024-11-25 02:27:37,028 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:36" (1/1) ... [2024-11-25 02:27:37,035 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:36" (1/1) ... [2024-11-25 02:27:37,036 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:36" (1/1) ... [2024-11-25 02:27:37,037 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:36" (1/1) ... [2024-11-25 02:27:37,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:27:37,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:27:37,039 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:27:37,039 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:27:37,040 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:36" (1/1) ... [2024-11-25 02:27:37,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:27:37,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7510d5-fe1d-4369-9bb1-3b21b985fefb/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:27:37,082 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7510d5-fe1d-4369-9bb1-3b21b985fefb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:27:37,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7510d5-fe1d-4369-9bb1-3b21b985fefb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:27:37,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:27:37,112 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 02:27:37,112 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 02:27:37,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:27:37,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:27:37,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:27:37,113 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:27:37,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:27:37,177 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:27:37,178 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:27:37,366 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-25 02:27:37,366 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:27:37,422 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:27:37,425 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-25 02:27:37,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:27:37 BoogieIcfgContainer [2024-11-25 02:27:37,425 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:27:37,426 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:27:37,426 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:27:37,433 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:27:37,434 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:27:37" (1/1) ... [2024-11-25 02:27:37,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:27:37,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:37,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2024-11-25 02:27:37,487 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2024-11-25 02:27:37,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 02:27:37,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:37,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:37,973 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 02:27:38,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:38,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 46 transitions. [2024-11-25 02:27:38,121 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 46 transitions. [2024-11-25 02:27:38,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 02:27:38,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:38,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:38,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:38,634 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 02:27:38,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:38,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2024-11-25 02:27:38,854 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2024-11-25 02:27:38,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 02:27:38,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:38,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:27:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:38,942 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 02:27:38,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:27:39,297 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 02:27:49,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 02:27:50,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:50,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 65 transitions. [2024-11-25 02:27:50,056 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 65 transitions. [2024-11-25 02:27:50,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 02:27:50,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:50,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:27:50,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:50,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 02:27:50,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:27:50,242 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 02:27:50,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:50,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 65 transitions. [2024-11-25 02:27:50,272 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 65 transitions. [2024-11-25 02:27:50,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 02:27:50,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:50,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:27:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:50,316 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 02:27:50,318 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:27:50,402 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 02:27:50,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:50,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 65 transitions. [2024-11-25 02:27:50,428 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 65 transitions. [2024-11-25 02:27:50,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 02:27:50,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:50,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:27:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:50,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 02:27:50,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:27:50,583 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 02:27:50,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:50,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 65 transitions. [2024-11-25 02:27:50,613 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 65 transitions. [2024-11-25 02:27:50,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 02:27:50,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:50,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:27:50,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:50,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 02:27:50,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:27:50,759 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 02:27:50,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:50,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 65 transitions. [2024-11-25 02:27:50,795 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 65 transitions. [2024-11-25 02:27:50,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 02:27:50,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:50,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:27:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:50,861 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 02:27:50,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:27:50,969 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 02:27:50,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:51,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 65 transitions. [2024-11-25 02:27:51,001 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 65 transitions. [2024-11-25 02:27:51,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 02:27:51,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:51,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:27:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:51,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 02:27:51,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:27:51,145 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-25 02:27:51,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:51,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 73 transitions. [2024-11-25 02:27:51,921 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 73 transitions. [2024-11-25 02:27:51,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-25 02:27:51,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:51,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:27:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:51,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-25 02:27:51,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:27:52,435 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-25 02:27:53,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:53,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 44 states and 89 transitions. [2024-11-25 02:27:53,904 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 89 transitions. [2024-11-25 02:27:53,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-25 02:27:53,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:53,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:27:53,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:53,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 02:27:53,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:27:54,421 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-25 02:27:54,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:54,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 44 states and 89 transitions. [2024-11-25 02:27:54,779 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 89 transitions. [2024-11-25 02:27:54,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-25 02:27:54,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:54,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:27:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:54,819 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 02:27:54,822 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:27:54,956 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-25 02:27:55,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:55,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 46 states and 93 transitions. [2024-11-25 02:27:55,679 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 93 transitions. [2024-11-25 02:27:55,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-25 02:27:55,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:55,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:27:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:55,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 02:27:55,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:27:55,848 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-25 02:27:55,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:55,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 46 states and 93 transitions. [2024-11-25 02:27:55,876 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 93 transitions. [2024-11-25 02:27:55,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-25 02:27:55,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:55,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:27:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:55,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 02:27:55,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:27:56,049 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-25 02:27:56,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:56,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 46 states and 93 transitions. [2024-11-25 02:27:56,076 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 93 transitions. [2024-11-25 02:27:56,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-25 02:27:56,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:56,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:27:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:56,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 02:27:56,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:27:56,222 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-25 02:27:56,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:56,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 46 states and 93 transitions. [2024-11-25 02:27:56,248 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 93 transitions. [2024-11-25 02:27:56,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-25 02:27:56,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:56,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:56,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:27:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:56,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 02:27:56,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:27:56,387 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-25 02:27:56,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:56,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 46 states and 93 transitions. [2024-11-25 02:27:56,410 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 93 transitions. [2024-11-25 02:27:56,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-25 02:27:56,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:56,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:56,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:27:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:56,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 02:27:56,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:27:56,568 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-25 02:27:56,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:56,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 46 states and 93 transitions. [2024-11-25 02:27:56,592 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 93 transitions. [2024-11-25 02:27:56,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-25 02:27:56,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:56,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:27:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:56,629 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 02:27:56,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:27:56,727 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-25 02:27:58,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:58,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 50 states and 104 transitions. [2024-11-25 02:27:58,083 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 104 transitions. [2024-11-25 02:27:58,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-25 02:27:58,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:58,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:12,180 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-25 02:29:42,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:42,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 53 states and 115 transitions. [2024-11-25 02:29:42,452 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 115 transitions. [2024-11-25 02:29:42,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-25 02:29:42,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:42,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:29:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:42,545 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-25 02:31:25,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:31:25,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 55 states and 120 transitions. [2024-11-25 02:31:25,285 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 120 transitions. [2024-11-25 02:31:25,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-25 02:31:25,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:31:25,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:31:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:31:25,481 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-25 02:31:26,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:31:26,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 57 states and 124 transitions. [2024-11-25 02:31:26,430 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 124 transitions. [2024-11-25 02:31:26,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-25 02:31:26,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:31:26,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:31:26,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:31:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:31:26,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-25 02:31:26,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:31:27,721 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 26 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 02:32:55,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:32:55,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 52 states and 119 transitions. [2024-11-25 02:32:55,195 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 119 transitions. [2024-11-25 02:32:55,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-25 02:32:55,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:32:55,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:32:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:32:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:32:55,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-25 02:32:55,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:32:55,433 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-25 02:33:36,024 WARN L286 SmtUtils]: Spent 40.17s on a formula simplification. DAG size of input: 27 DAG size of output: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:33:48,574 WARN L286 SmtUtils]: Spent 10.36s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:34:00,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:34:00,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 55 states and 126 transitions. [2024-11-25 02:34:00,150 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 126 transitions. [2024-11-25 02:34:00,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-25 02:34:00,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:34:00,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:34:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:34:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:00,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-25 02:34:00,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:34:00,465 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:34:02,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:34:02,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 57 states and 130 transitions. [2024-11-25 02:34:02,374 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 130 transitions. [2024-11-25 02:34:02,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:34:02,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:34:02,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:34:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:34:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:02,414 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 02:34:02,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:34:02,457 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-25 02:34:37,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:34:37,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 62 states and 147 transitions. [2024-11-25 02:34:37,576 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 147 transitions. [2024-11-25 02:34:37,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:34:37,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:34:37,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:34:37,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:37,930 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-25 02:34:41,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:34:41,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 65 states and 156 transitions. [2024-11-25 02:34:41,528 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 156 transitions. [2024-11-25 02:34:41,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 02:34:41,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:34:41,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:34:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:44,131 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-25 02:34:48,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:34:48,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 70 states and 170 transitions. [2024-11-25 02:34:48,747 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 170 transitions. [2024-11-25 02:34:48,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 02:34:48,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:34:48,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:34:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:34:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:48,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:34:48,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:34:48,972 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-25 02:34:51,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:34:51,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 74 states and 183 transitions. [2024-11-25 02:34:51,004 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 183 transitions. [2024-11-25 02:34:51,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 02:34:51,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:34:51,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:34:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:34:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:51,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 02:34:51,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:34:52,274 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 26 proven. 16 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 02:35:50,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:50,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 74 states and 182 transitions. [2024-11-25 02:35:50,279 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 182 transitions. [2024-11-25 02:35:50,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-25 02:35:50,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:50,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:35:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:50,356 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-25 02:36:57,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 02:37:07,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 02:38:04,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:04,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 76 states and 188 transitions. [2024-11-25 02:38:04,258 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 188 transitions. [2024-11-25 02:38:04,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-25 02:38:04,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:04,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:38:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:38:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:04,338 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-25 02:38:04,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:05,276 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 47 proven. 26 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-25 02:40:20,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:20,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 81 states and 207 transitions. [2024-11-25 02:40:20,775 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 207 transitions. [2024-11-25 02:40:20,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-25 02:40:20,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:20,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:40:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:40:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:20,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 02:40:20,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:21,359 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 10 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-25 02:41:06,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:06,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 84 states and 220 transitions. [2024-11-25 02:41:06,202 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 220 transitions. [2024-11-25 02:41:06,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-25 02:41:06,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:06,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:41:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:41:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:06,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 02:41:06,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:06,365 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 30 proven. 17 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-25 02:42:12,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:12,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 87 states and 230 transitions. [2024-11-25 02:42:12,400 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 230 transitions. [2024-11-25 02:42:12,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-25 02:42:12,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:12,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:42:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:42:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:12,552 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-25 02:42:12,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:21,321 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 35 proven. 33 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-25 02:42:48,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 02:42:49,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:49,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 94 states and 247 transitions. [2024-11-25 02:42:49,006 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 247 transitions. [2024-11-25 02:42:49,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-25 02:42:49,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:49,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:42:49,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:42:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:49,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-25 02:42:49,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:49,898 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 44 proven. 24 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-25 02:42:52,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:52,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 95 states and 250 transitions. [2024-11-25 02:42:52,193 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 250 transitions. [2024-11-25 02:42:52,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-25 02:42:52,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:52,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:42:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:42:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:52,833 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-25 02:42:52,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:53,522 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 38 proven. 19 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:42:53,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:53,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 95 states and 250 transitions. [2024-11-25 02:42:53,616 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 250 transitions. [2024-11-25 02:42:53,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-25 02:42:53,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:53,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:42:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown