./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_470c2e27-155a-4f4d-8948-375db66ac998/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_470c2e27-155a-4f4d-8948-375db66ac998/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_470c2e27-155a-4f4d-8948-375db66ac998/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_470c2e27-155a-4f4d-8948-375db66ac998/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_470c2e27-155a-4f4d-8948-375db66ac998/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_470c2e27-155a-4f4d-8948-375db66ac998/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 45ff7b74faf4250f77b788e07275d725ea3dbcc73af0b2b0d64dcf5aa7f7b78a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:29:24,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:29:24,723 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_470c2e27-155a-4f4d-8948-375db66ac998/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:29:24,734 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:29:24,736 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:29:24,805 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:29:24,807 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:29:24,808 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:29:24,809 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:29:24,815 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:29:24,816 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:29:24,816 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:29:24,817 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:29:24,819 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:29:24,819 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:29:24,820 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:29:24,820 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:29:24,821 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:29:24,821 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:29:24,822 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:29:24,823 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:29:24,823 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:29:24,824 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:29:24,824 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:29:24,826 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:29:24,826 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:29:24,827 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:29:24,827 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:29:24,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:29:24,829 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:29:24,830 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:29:24,831 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:29:24,831 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:29:24,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:29:24,832 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:29:24,832 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_470c2e27-155a-4f4d-8948-375db66ac998/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_470c2e27-155a-4f4d-8948-375db66ac998/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45ff7b74faf4250f77b788e07275d725ea3dbcc73af0b2b0d64dcf5aa7f7b78a [2023-11-23 20:29:25,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:29:25,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:29:25,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:29:25,265 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:29:25,265 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:29:25,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_470c2e27-155a-4f4d-8948-375db66ac998/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound1.c [2023-11-23 20:29:28,323 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:29:28,562 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:29:28,565 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_470c2e27-155a-4f4d-8948-375db66ac998/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound1.c [2023-11-23 20:29:28,577 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_470c2e27-155a-4f4d-8948-375db66ac998/bin/ukojak-verify-1t5iHCbJaC/data/875be2bda/a1013a3a00b243c78511e2bf5c2f63da/FLAGfead81a83 [2023-11-23 20:29:28,596 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_470c2e27-155a-4f4d-8948-375db66ac998/bin/ukojak-verify-1t5iHCbJaC/data/875be2bda/a1013a3a00b243c78511e2bf5c2f63da [2023-11-23 20:29:28,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:29:28,604 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:29:28,608 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:29:28,609 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:29:28,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:29:28,623 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:29:28" (1/1) ... [2023-11-23 20:29:28,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aec2298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:28, skipping insertion in model container [2023-11-23 20:29:28,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:29:28" (1/1) ... [2023-11-23 20:29:28,652 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:29:28,862 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:29:28,876 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:29:28,911 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:29:28,929 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:29:28,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:28 WrapperNode [2023-11-23 20:29:28,930 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:29:28,932 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:29:28,932 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:29:28,932 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:29:28,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:28" (1/1) ... [2023-11-23 20:29:28,957 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:28" (1/1) ... [2023-11-23 20:29:28,994 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2023-11-23 20:29:28,995 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:29:28,995 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:29:28,996 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:29:28,996 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:29:29,006 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:28" (1/1) ... [2023-11-23 20:29:29,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:28" (1/1) ... [2023-11-23 20:29:29,014 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:28" (1/1) ... [2023-11-23 20:29:29,014 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:28" (1/1) ... [2023-11-23 20:29:29,027 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:28" (1/1) ... [2023-11-23 20:29:29,035 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:28" (1/1) ... [2023-11-23 20:29:29,037 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:28" (1/1) ... [2023-11-23 20:29:29,049 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:28" (1/1) ... [2023-11-23 20:29:29,051 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:29:29,052 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:29:29,053 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:29:29,053 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:29:29,054 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:28" (1/1) ... [2023-11-23 20:29:29,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:29:29,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_470c2e27-155a-4f4d-8948-375db66ac998/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:29:29,092 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_470c2e27-155a-4f4d-8948-375db66ac998/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:29:29,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_470c2e27-155a-4f4d-8948-375db66ac998/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:29:29,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:29:29,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:29:29,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:29:29,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:29:29,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:29:29,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:29:29,256 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:29:29,259 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:29:29,528 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:29:29,598 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:29:29,598 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:29:29,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:29:29 BoogieIcfgContainer [2023-11-23 20:29:29,600 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:29:29,601 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:29:29,601 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:29:29,611 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:29:29,611 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:29:29" (1/1) ... [2023-11-23 20:29:29,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:29:29,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:29,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 65 states and 75 transitions. [2023-11-23 20:29:29,679 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2023-11-23 20:29:29,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:29:29,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:29,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:29,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:29,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:29:29,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:29,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:29,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:29,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2023-11-23 20:29:29,909 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2023-11-23 20:29:29,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:29:29,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:29,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:29,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:29:29,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:30,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:29:30,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:30,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 69 states and 79 transitions. [2023-11-23 20:29:30,083 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2023-11-23 20:29:30,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:29:30,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:30,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:30,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:29:30,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:30,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:29:30,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:30,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 70 states and 80 transitions. [2023-11-23 20:29:30,193 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 80 transitions. [2023-11-23 20:29:30,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:29:30,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:30,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:30,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:29:30,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:30,277 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:29:30,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:30,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 73 states and 86 transitions. [2023-11-23 20:29:30,397 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 86 transitions. [2023-11-23 20:29:30,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:29:30,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:30,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:30,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:29:30,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:30,466 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:29:30,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:30,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 77 states and 96 transitions. [2023-11-23 20:29:30,695 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 96 transitions. [2023-11-23 20:29:30,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:29:30,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:30,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:30,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:29:30,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:30,793 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:29:31,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:31,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 81 states and 104 transitions. [2023-11-23 20:29:31,123 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 104 transitions. [2023-11-23 20:29:31,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:29:31,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:31,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:31,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:31,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:29:31,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:31,178 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:29:31,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:31,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 82 states and 105 transitions. [2023-11-23 20:29:31,202 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2023-11-23 20:29:31,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:29:31,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:31,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:31,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:31,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:29:31,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:31,297 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:29:31,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:31,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 87 states and 116 transitions. [2023-11-23 20:29:31,632 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 116 transitions. [2023-11-23 20:29:31,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:29:31,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:31,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:31,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:31,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:29:31,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:31,755 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:29:32,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:32,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 93 states and 129 transitions. [2023-11-23 20:29:32,314 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 129 transitions. [2023-11-23 20:29:32,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:29:32,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:32,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:32,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:32,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:29:32,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:32,406 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:29:32,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:32,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 99 states and 141 transitions. [2023-11-23 20:29:32,882 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2023-11-23 20:29:32,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:29:32,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:32,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:32,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:29:32,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:33,087 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:29:33,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:33,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 106 states and 157 transitions. [2023-11-23 20:29:33,769 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 157 transitions. [2023-11-23 20:29:33,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:29:33,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:33,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:33,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:29:33,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:33,901 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:29:34,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:34,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 113 states and 171 transitions. [2023-11-23 20:29:34,574 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 171 transitions. [2023-11-23 20:29:34,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:29:34,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:34,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:34,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:29:34,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:34,695 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:29:35,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:35,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 121 states and 186 transitions. [2023-11-23 20:29:35,520 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 186 transitions. [2023-11-23 20:29:35,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:29:35,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:35,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:35,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:29:35,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:35,733 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:29:36,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:36,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 129 states and 200 transitions. [2023-11-23 20:29:36,619 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 200 transitions. [2023-11-23 20:29:36,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:29:36,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:36,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:36,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:29:36,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:36,856 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:29:37,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:37,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 134 states and 213 transitions. [2023-11-23 20:29:37,293 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 213 transitions. [2023-11-23 20:29:37,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:29:37,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:37,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:37,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:29:37,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:37,389 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:29:38,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:38,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 142 states and 226 transitions. [2023-11-23 20:29:38,230 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 226 transitions. [2023-11-23 20:29:38,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:29:38,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:38,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:38,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:29:38,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:38,735 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:29:39,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:39,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 152 states and 242 transitions. [2023-11-23 20:29:39,864 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 242 transitions. [2023-11-23 20:29:39,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:29:39,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:39,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:39,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:29:39,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:39,939 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:29:39,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:39,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 153 states and 243 transitions. [2023-11-23 20:29:39,966 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 243 transitions. [2023-11-23 20:29:39,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:29:39,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:39,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:39,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:29:39,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:40,106 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:29:41,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:41,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 162 states and 256 transitions. [2023-11-23 20:29:41,006 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 256 transitions. [2023-11-23 20:29:41,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:29:41,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:41,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:41,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:29:41,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:41,108 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:29:41,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:41,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 170 states and 267 transitions. [2023-11-23 20:29:41,723 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 267 transitions. [2023-11-23 20:29:41,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:29:41,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:41,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:41,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:29:41,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:42,031 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:29:43,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:43,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 184 states and 288 transitions. [2023-11-23 20:29:43,610 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 288 transitions. [2023-11-23 20:29:43,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:29:43,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:43,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:43,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:29:43,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:43,674 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-23 20:29:44,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:44,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 193 states and 300 transitions. [2023-11-23 20:29:44,316 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 300 transitions. [2023-11-23 20:29:44,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:29:44,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:44,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:44,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:29:44,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:44,457 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:29:45,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:45,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 204 states and 327 transitions. [2023-11-23 20:29:45,488 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 327 transitions. [2023-11-23 20:29:45,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:29:45,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:45,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:45,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:29:45,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:45,582 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:29:46,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:46,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 209 states and 337 transitions. [2023-11-23 20:29:46,202 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 337 transitions. [2023-11-23 20:29:46,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:29:46,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:46,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:46,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:29:46,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:46,567 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:29:47,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:47,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 211 states and 342 transitions. [2023-11-23 20:29:47,928 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 342 transitions. [2023-11-23 20:29:47,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:29:47,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:47,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:47,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:47,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:29:47,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:48,072 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:29:48,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:48,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 217 states and 356 transitions. [2023-11-23 20:29:48,741 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 356 transitions. [2023-11-23 20:29:48,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:29:48,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:48,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:48,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:48,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:29:48,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:48,954 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-23 20:29:51,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:51,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 140 states and 197 transitions. [2023-11-23 20:29:51,042 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 197 transitions. [2023-11-23 20:29:51,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:29:51,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:51,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:51,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:29:51,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:51,123 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-23 20:29:51,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:51,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 145 states and 204 transitions. [2023-11-23 20:29:51,904 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 204 transitions. [2023-11-23 20:29:51,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:29:51,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:51,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:51,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:29:51,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:51,967 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-23 20:29:52,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:52,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 150 states and 211 transitions. [2023-11-23 20:29:52,697 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 211 transitions. [2023-11-23 20:29:52,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:29:52,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:52,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:52,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:29:52,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:52,796 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 20:29:54,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:54,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 161 states and 232 transitions. [2023-11-23 20:29:54,383 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 232 transitions. [2023-11-23 20:29:54,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:29:54,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:54,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:54,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:29:54,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:55,682 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 20:29:57,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:57,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 173 states and 254 transitions. [2023-11-23 20:29:57,512 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 254 transitions. [2023-11-23 20:29:57,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:29:57,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:57,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:57,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:29:57,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:57,624 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 20:29:58,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:58,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 178 states and 262 transitions. [2023-11-23 20:29:58,426 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 262 transitions. [2023-11-23 20:29:58,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:29:58,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:58,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:58,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:29:58,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:58,526 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 20:29:59,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:59,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 186 states and 276 transitions. [2023-11-23 20:29:59,542 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 276 transitions. [2023-11-23 20:29:59,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:29:59,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:59,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:59,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:29:59,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:01,292 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 20:30:03,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:03,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 200 states and 299 transitions. [2023-11-23 20:30:03,283 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 299 transitions. [2023-11-23 20:30:03,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:30:03,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:03,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:03,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:03,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:03,409 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-23 20:30:03,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:03,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 199 states and 298 transitions. [2023-11-23 20:30:03,543 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 298 transitions. [2023-11-23 20:30:03,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:30:03,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:03,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:03,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:03,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:03,690 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-23 20:30:04,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:04,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 206 states and 309 transitions. [2023-11-23 20:30:04,758 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 309 transitions. [2023-11-23 20:30:04,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:30:04,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:04,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:04,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:04,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:30:04,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:05,140 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 20:30:08,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:08,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 218 states and 329 transitions. [2023-11-23 20:30:08,042 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 329 transitions. [2023-11-23 20:30:08,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 20:30:08,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:08,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:08,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:08,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:08,204 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-23 20:30:09,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:09,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 226 states and 342 transitions. [2023-11-23 20:30:09,860 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 342 transitions. [2023-11-23 20:30:09,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 20:30:09,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:09,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:09,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:09,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:30:09,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:10,809 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-23 20:30:14,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:14,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 234 states and 363 transitions. [2023-11-23 20:30:14,574 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 363 transitions. [2023-11-23 20:30:14,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:30:14,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:14,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:14,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:14,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:14,748 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-23 20:30:19,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:19,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 248 states and 387 transitions. [2023-11-23 20:30:19,108 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 387 transitions. [2023-11-23 20:30:19,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:30:19,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:19,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:19,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:19,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:19,175 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-23 20:30:19,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:19,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 251 states and 392 transitions. [2023-11-23 20:30:19,575 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 392 transitions. [2023-11-23 20:30:19,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:30:19,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:19,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:19,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:30:19,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:20,017 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked.