./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1624e7df-db38-415a-86d4-7f420c6145bb/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1624e7df-db38-415a-86d4-7f420c6145bb/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_1624e7df-db38-415a-86d4-7f420c6145bb/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1624e7df-db38-415a-86d4-7f420c6145bb/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1624e7df-db38-415a-86d4-7f420c6145bb/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_1624e7df-db38-415a-86d4-7f420c6145bb/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 ce152ab821d49eb9acb39ce161d7ea2c6b8a3d3fa002051e62cb16783ef9575a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:26:43,843 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:26:43,968 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1624e7df-db38-415a-86d4-7f420c6145bb/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:26:43,980 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:26:43,981 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:26:44,023 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:26:44,025 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:26:44,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:26:44,027 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:26:44,034 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:26:44,035 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:26:44,036 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:26:44,037 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:26:44,039 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:26:44,039 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:26:44,040 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:26:44,040 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:26:44,040 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:26:44,041 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:26:44,041 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:26:44,042 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:26:44,042 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:26:44,043 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:26:44,045 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:26:44,046 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:26:44,046 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:26:44,047 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:26:44,047 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:26:44,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:26:44,048 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:26:44,050 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:26:44,050 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:26:44,050 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:26:44,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:26:44,051 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:26:44,051 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_1624e7df-db38-415a-86d4-7f420c6145bb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1624e7df-db38-415a-86d4-7f420c6145bb/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce152ab821d49eb9acb39ce161d7ea2c6b8a3d3fa002051e62cb16783ef9575a [2023-11-23 20:26:44,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:26:44,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:26:44,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:26:44,356 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:26:44,360 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:26:44,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1624e7df-db38-415a-86d4-7f420c6145bb/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.c [2023-11-23 20:26:47,452 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:26:47,677 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:26:47,677 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1624e7df-db38-415a-86d4-7f420c6145bb/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.c [2023-11-23 20:26:47,684 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1624e7df-db38-415a-86d4-7f420c6145bb/bin/ukojak-verify-1t5iHCbJaC/data/8df5ac72b/85c27b8de9cc48149252bdbacfa22e67/FLAGc0bccdc2f [2023-11-23 20:26:47,699 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1624e7df-db38-415a-86d4-7f420c6145bb/bin/ukojak-verify-1t5iHCbJaC/data/8df5ac72b/85c27b8de9cc48149252bdbacfa22e67 [2023-11-23 20:26:47,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:26:47,703 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:26:47,705 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:26:47,705 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:26:47,710 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:26:47,711 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:26:47" (1/1) ... [2023-11-23 20:26:47,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b39e3a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:47, skipping insertion in model container [2023-11-23 20:26:47,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:26:47" (1/1) ... [2023-11-23 20:26:47,736 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:26:47,926 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:26:47,937 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:26:47,957 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:26:47,971 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:26:47,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:47 WrapperNode [2023-11-23 20:26:47,972 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:26:47,974 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:26:47,974 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:26:47,974 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:26:47,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:47" (1/1) ... [2023-11-23 20:26:47,991 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:47" (1/1) ... [2023-11-23 20:26:48,025 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2023-11-23 20:26:48,025 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:26:48,026 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:26:48,026 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:26:48,026 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:26:48,037 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:47" (1/1) ... [2023-11-23 20:26:48,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:47" (1/1) ... [2023-11-23 20:26:48,039 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:47" (1/1) ... [2023-11-23 20:26:48,039 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:47" (1/1) ... [2023-11-23 20:26:48,043 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:47" (1/1) ... [2023-11-23 20:26:48,047 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:47" (1/1) ... [2023-11-23 20:26:48,049 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:47" (1/1) ... [2023-11-23 20:26:48,050 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:47" (1/1) ... [2023-11-23 20:26:48,061 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:26:48,063 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:26:48,063 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:26:48,063 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:26:48,064 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:47" (1/1) ... [2023-11-23 20:26:48,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:26:48,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1624e7df-db38-415a-86d4-7f420c6145bb/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:26:48,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1624e7df-db38-415a-86d4-7f420c6145bb/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:26:48,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1624e7df-db38-415a-86d4-7f420c6145bb/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:26:48,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:26:48,144 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:26:48,144 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:26:48,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:26:48,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:26:48,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:26:48,145 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:26:48,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:26:48,217 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:26:48,219 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:26:48,449 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:26:48,499 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:26:48,500 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 20:26:48,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:26:48 BoogieIcfgContainer [2023-11-23 20:26:48,501 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:26:48,502 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:26:48,503 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:26:48,511 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:26:48,512 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:26:48" (1/1) ... [2023-11-23 20:26:48,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:26:48,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:48,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2023-11-23 20:26:48,574 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2023-11-23 20:26:48,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:26:48,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:48,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:49,038 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 20:26:49,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:49,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 55 transitions. [2023-11-23 20:26:49,208 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2023-11-23 20:26:49,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:26:49,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:49,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:49,392 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 20:26:49,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:49,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 56 transitions. [2023-11-23 20:26:49,424 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2023-11-23 20:26:49,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:26:49,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:49,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:49,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:26:49,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:49,746 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 20:26:50,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:50,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 74 transitions. [2023-11-23 20:26:50,054 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2023-11-23 20:26:50,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:26:50,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:50,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:50,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:26:50,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:50,328 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 20:26:50,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:50,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 56 states and 93 transitions. [2023-11-23 20:26:50,664 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 93 transitions. [2023-11-23 20:26:50,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:26:50,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:50,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:50,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:26:50,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:50,892 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 20:26:50,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:50,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 57 states and 94 transitions. [2023-11-23 20:26:50,947 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 94 transitions. [2023-11-23 20:26:50,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:26:50,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:50,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:51,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:26:51,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:51,130 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:51,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:51,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 63 states and 102 transitions. [2023-11-23 20:26:51,390 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 102 transitions. [2023-11-23 20:26:51,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:26:51,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:51,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:51,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:26:51,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:51,606 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:52,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:52,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 70 states and 121 transitions. [2023-11-23 20:26:52,043 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 121 transitions. [2023-11-23 20:26:52,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:26:52,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:52,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:52,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:26:52,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:52,353 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:52,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:52,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 73 states and 126 transitions. [2023-11-23 20:26:52,950 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 126 transitions. [2023-11-23 20:26:52,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:26:52,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:52,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:53,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:26:53,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:53,128 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:53,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:53,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 74 states and 127 transitions. [2023-11-23 20:26:53,216 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 127 transitions. [2023-11-23 20:26:53,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:26:53,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:53,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:53,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:26:53,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:53,432 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:53,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:53,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 78 states and 134 transitions. [2023-11-23 20:26:53,825 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 134 transitions. [2023-11-23 20:26:53,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:26:53,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:53,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:53,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:26:53,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:54,208 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:26:56,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:56,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 90 states and 160 transitions. [2023-11-23 20:26:56,316 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 160 transitions. [2023-11-23 20:26:56,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:26:56,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:56,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:56,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:26:56,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:56,946 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:58,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:58,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 96 states and 172 transitions. [2023-11-23 20:26:58,975 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 172 transitions. [2023-11-23 20:26:58,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:26:58,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:58,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:59,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:59,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:26:59,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:59,179 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:59,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:59,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 98 states and 177 transitions. [2023-11-23 20:26:59,665 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 177 transitions. [2023-11-23 20:26:59,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:26:59,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:59,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:59,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:26:59,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:59,865 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:00,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:00,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 100 states and 180 transitions. [2023-11-23 20:27:00,292 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 180 transitions. [2023-11-23 20:27:00,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:27:00,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:00,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:00,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:27:00,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:00,666 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:02,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:02,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 105 states and 189 transitions. [2023-11-23 20:27:02,266 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 189 transitions. [2023-11-23 20:27:02,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:27:02,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:02,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:02,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:27:02,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:02,366 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:02,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:02,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 109 states and 202 transitions. [2023-11-23 20:27:02,764 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 202 transitions. [2023-11-23 20:27:02,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:27:02,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:02,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:02,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:27:02,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:02,936 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:03,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:03,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 112 states and 206 transitions. [2023-11-23 20:27:03,346 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 206 transitions. [2023-11-23 20:27:03,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:27:03,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:03,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:03,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:27:03,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:03,640 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:05,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:05,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 118 states and 220 transitions. [2023-11-23 20:27:05,233 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 220 transitions. [2023-11-23 20:27:05,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:27:05,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:05,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:05,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:27:05,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:05,377 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:05,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:05,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 122 states and 233 transitions. [2023-11-23 20:27:05,782 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 233 transitions. [2023-11-23 20:27:05,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:27:05,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:05,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:05,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:27:05,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:05,961 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:06,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:06,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 126 states and 244 transitions. [2023-11-23 20:27:06,538 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 244 transitions. [2023-11-23 20:27:06,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:27:06,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:06,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:06,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:06,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:27:06,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:06,872 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:09,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:09,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 134 states and 254 transitions. [2023-11-23 20:27:09,205 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 254 transitions. [2023-11-23 20:27:09,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:27:09,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:09,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:09,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:27:09,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:09,552 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:09,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:09,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 134 states and 250 transitions. [2023-11-23 20:27:09,914 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 250 transitions. [2023-11-23 20:27:09,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:27:09,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:09,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:09,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:09,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:27:09,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:10,249 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:12,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:12,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 140 states and 259 transitions. [2023-11-23 20:27:12,315 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 259 transitions. [2023-11-23 20:27:12,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:27:12,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:12,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:12,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:27:12,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:12,661 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:13,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:13,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 140 states and 256 transitions. [2023-11-23 20:27:13,029 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 256 transitions. [2023-11-23 20:27:13,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:27:13,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:13,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:13,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:27:13,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:13,242 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:13,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:13,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 142 states and 266 transitions. [2023-11-23 20:27:13,894 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 266 transitions. [2023-11-23 20:27:13,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:27:13,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:13,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:13,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:27:13,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:14,244 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:14,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:14,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 142 states and 265 transitions. [2023-11-23 20:27:14,863 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 265 transitions. [2023-11-23 20:27:14,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:27:14,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:14,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:14,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:27:14,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:15,192 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:16,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:16,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 147 states and 273 transitions. [2023-11-23 20:27:16,626 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 273 transitions. [2023-11-23 20:27:16,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:27:16,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:16,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:16,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:27:16,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:16,833 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:17,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:17,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 154 states and 292 transitions. [2023-11-23 20:27:17,771 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 292 transitions. [2023-11-23 20:27:17,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:27:17,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:17,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:17,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:27:17,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:17,994 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:18,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:18,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 154 states and 291 transitions. [2023-11-23 20:27:18,513 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 291 transitions. [2023-11-23 20:27:18,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:27:18,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:18,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:18,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:27:18,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:18,678 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:19,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:19,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 162 states and 321 transitions. [2023-11-23 20:27:19,963 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 321 transitions. [2023-11-23 20:27:19,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:27:19,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:19,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:20,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:27:20,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:20,112 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:20,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:20,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 164 states and 323 transitions. [2023-11-23 20:27:20,192 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 323 transitions. [2023-11-23 20:27:20,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:27:20,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:20,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:20,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:27:20,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:20,334 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:21,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:21,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 168 states and 336 transitions. [2023-11-23 20:27:21,053 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 336 transitions. [2023-11-23 20:27:21,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:27:21,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:21,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:21,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:27:21,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:21,490 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:21,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:21,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 169 states and 337 transitions. [2023-11-23 20:27:21,662 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 337 transitions. [2023-11-23 20:27:21,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:27:21,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:21,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:21,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:27:21,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:22,193 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:22,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:22,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 169 states and 331 transitions. [2023-11-23 20:27:22,698 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 331 transitions. [2023-11-23 20:27:22,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:27:22,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:22,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:22,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:27:22,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:23,171 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:24,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:24,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 175 states and 341 transitions. [2023-11-23 20:27:24,840 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 341 transitions. [2023-11-23 20:27:24,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:27:24,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:24,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:24,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:27:24,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:24,993 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:25,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:25,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 175 states and 339 transitions. [2023-11-23 20:27:25,441 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 339 transitions. [2023-11-23 20:27:25,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:27:25,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:25,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:25,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:27:25,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:26,041 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:28,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:28,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 183 states and 351 transitions. [2023-11-23 20:27:28,279 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 351 transitions. [2023-11-23 20:27:28,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:27:28,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:28,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:28,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:27:28,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:28,666 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 3 proven. 38 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:30,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:30,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 190 states and 370 transitions. [2023-11-23 20:27:30,374 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 370 transitions. [2023-11-23 20:27:30,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:27:30,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:30,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:30,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:27:30,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:30,621 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:31,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:31,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 195 states and 377 transitions. [2023-11-23 20:27:31,537 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 377 transitions. [2023-11-23 20:27:31,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:27:31,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:31,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:31,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:27:31,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:31,930 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:33,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:33,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 198 states and 382 transitions. [2023-11-23 20:27:33,174 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 382 transitions. [2023-11-23 20:27:33,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:27:33,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:33,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:33,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:33,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:27:33,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:33,295 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:33,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:33,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 200 states and 383 transitions. [2023-11-23 20:27:33,370 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 383 transitions. [2023-11-23 20:27:33,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:27:33,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:33,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:33,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:27:33,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:33,534 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:34,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:34,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 204 states and 398 transitions. [2023-11-23 20:27:34,539 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 398 transitions. [2023-11-23 20:27:34,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:27:34,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:34,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:34,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:27:34,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:34,858 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 2 proven. 50 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:35,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:35,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 205 states and 410 transitions. [2023-11-23 20:27:35,813 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 410 transitions. [2023-11-23 20:27:35,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:27:35,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:35,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:35,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:35,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:27:35,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:35,949 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 2 proven. 50 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.