./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_e1269f78-b7d7-4869-9d15-4df369af0ce9/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1269f78-b7d7-4869-9d15-4df369af0ce9/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1269f78-b7d7-4869-9d15-4df369af0ce9/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1269f78-b7d7-4869-9d15-4df369af0ce9/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1269f78-b7d7-4869-9d15-4df369af0ce9/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1269f78-b7d7-4869-9d15-4df369af0ce9/bin/ukojak-verify-i0I2FZA1j2 --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 c7f1683dc0c60d20b83300f79a9b15e37cd1fd05703e492aec10298f1b5a1afa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:31:13,886 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:31:13,967 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1269f78-b7d7-4869-9d15-4df369af0ce9/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:31:13,973 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:31:13,974 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:31:14,000 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:31:14,002 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:31:14,002 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:31:14,003 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:31:14,004 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:31:14,005 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:31:14,006 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:31:14,007 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:31:14,007 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:31:14,008 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:31:14,009 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:31:14,010 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:31:14,010 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:31:14,011 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:31:14,012 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:31:14,013 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:31:14,014 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:31:14,014 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:31:14,015 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:31:14,016 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:31:14,017 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:31:14,017 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:31:14,018 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:31:14,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:14,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:31:14,020 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:31:14,021 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:31:14,021 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:31:14,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:31:14,023 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:31:14,023 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_e1269f78-b7d7-4869-9d15-4df369af0ce9/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1269f78-b7d7-4869-9d15-4df369af0ce9/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7f1683dc0c60d20b83300f79a9b15e37cd1fd05703e492aec10298f1b5a1afa [2023-11-21 18:31:14,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:31:14,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:31:14,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:31:14,384 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:31:14,384 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:31:14,386 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1269f78-b7d7-4869-9d15-4df369af0ce9/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound1.c [2023-11-21 18:31:17,947 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:31:18,218 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:31:18,219 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1269f78-b7d7-4869-9d15-4df369af0ce9/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound1.c [2023-11-21 18:31:18,229 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1269f78-b7d7-4869-9d15-4df369af0ce9/bin/ukojak-verify-i0I2FZA1j2/data/e7e9e24f1/bffc8072877544b092edfe24092aa4c3/FLAGaa6e23860 [2023-11-21 18:31:18,248 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1269f78-b7d7-4869-9d15-4df369af0ce9/bin/ukojak-verify-i0I2FZA1j2/data/e7e9e24f1/bffc8072877544b092edfe24092aa4c3 [2023-11-21 18:31:18,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:31:18,254 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:31:18,256 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:18,256 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:31:18,268 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:31:18,273 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:18" (1/1) ... [2023-11-21 18:31:18,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4143a87d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:18, skipping insertion in model container [2023-11-21 18:31:18,275 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:18" (1/1) ... [2023-11-21 18:31:18,311 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:31:18,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:18,539 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:31:18,569 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:18,585 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:31:18,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:18 WrapperNode [2023-11-21 18:31:18,586 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:18,588 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:18,588 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:31:18,588 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:31:18,599 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:18" (1/1) ... [2023-11-21 18:31:18,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:18" (1/1) ... [2023-11-21 18:31:18,678 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2023-11-21 18:31:18,679 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:18,680 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:31:18,680 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:31:18,680 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:31:18,696 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:18" (1/1) ... [2023-11-21 18:31:18,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:18" (1/1) ... [2023-11-21 18:31:18,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:18" (1/1) ... [2023-11-21 18:31:18,700 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:18" (1/1) ... [2023-11-21 18:31:18,710 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:18" (1/1) ... [2023-11-21 18:31:18,714 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:18" (1/1) ... [2023-11-21 18:31:18,716 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:18" (1/1) ... [2023-11-21 18:31:18,717 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:18" (1/1) ... [2023-11-21 18:31:18,720 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:31:18,721 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:31:18,721 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:31:18,722 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:31:18,723 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:18" (1/1) ... [2023-11-21 18:31:18,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:18,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1269f78-b7d7-4869-9d15-4df369af0ce9/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:31:18,768 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1269f78-b7d7-4869-9d15-4df369af0ce9/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:31:18,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1269f78-b7d7-4869-9d15-4df369af0ce9/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:31:18,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:31:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:31:18,822 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:31:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:31:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:31:18,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:31:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:31:18,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:31:18,913 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:31:18,917 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:31:19,508 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:31:19,580 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:31:19,580 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:31:19,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:19 BoogieIcfgContainer [2023-11-21 18:31:19,583 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:31:19,584 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:31:19,584 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:31:19,597 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:31:19,598 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:19" (1/1) ... [2023-11-21 18:31:19,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:31:19,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:19,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 104 states and 112 transitions. [2023-11-21 18:31:19,685 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 112 transitions. [2023-11-21 18:31:19,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:31:19,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:19,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:19,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:31:19,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:20,194 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:31:20,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:20,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 106 states and 117 transitions. [2023-11-21 18:31:20,413 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 117 transitions. [2023-11-21 18:31:20,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:31:20,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:20,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:20,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:31:20,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:20,637 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:21,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:21,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 109 states and 125 transitions. [2023-11-21 18:31:21,160 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2023-11-21 18:31:21,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:31:21,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:21,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:21,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:31:21,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:21,342 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:31:21,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:21,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 113 states and 134 transitions. [2023-11-21 18:31:21,694 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 134 transitions. [2023-11-21 18:31:21,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:31:21,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:21,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:21,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-21 18:31:21,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:21,902 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:22,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:22,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 118 states and 142 transitions. [2023-11-21 18:31:22,186 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 142 transitions. [2023-11-21 18:31:22,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:31:22,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:22,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:22,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:22,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:22,301 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:22,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:22,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 124 states and 152 transitions. [2023-11-21 18:31:22,632 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 152 transitions. [2023-11-21 18:31:22,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:31:22,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:22,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:22,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:22,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:22,879 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:23,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:23,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 131 states and 164 transitions. [2023-11-21 18:31:23,504 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 164 transitions. [2023-11-21 18:31:23,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:31:23,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:23,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:23,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:31:23,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:23,638 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:24,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:24,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 178 transitions. [2023-11-21 18:31:24,359 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 178 transitions. [2023-11-21 18:31:24,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:31:24,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:24,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:24,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:31:24,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:24,563 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:31:24,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:24,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 140 states and 180 transitions. [2023-11-21 18:31:24,711 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 180 transitions. [2023-11-21 18:31:24,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:31:24,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:24,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:24,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:24,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:31:24,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:24,840 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:25,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:25,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 143 states and 185 transitions. [2023-11-21 18:31:25,172 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 185 transitions. [2023-11-21 18:31:25,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:31:25,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:25,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:25,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:25,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:31:25,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:25,408 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:25,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:25,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 142 states and 184 transitions. [2023-11-21 18:31:25,625 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 184 transitions. [2023-11-21 18:31:25,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:31:25,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:25,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:25,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:25,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:25,825 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:27,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:27,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 150 states and 201 transitions. [2023-11-21 18:31:27,630 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 201 transitions. [2023-11-21 18:31:27,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:31:27,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:27,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:27,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:31:27,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:27,780 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:27,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:27,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 149 states and 200 transitions. [2023-11-21 18:31:27,908 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 200 transitions. [2023-11-21 18:31:27,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:31:27,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:27,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:27,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:31:27,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:28,193 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:30,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:30,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 158 states and 219 transitions. [2023-11-21 18:31:30,300 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 219 transitions. [2023-11-21 18:31:30,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:31:30,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:30,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:30,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:30,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:30,380 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:30,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:30,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 161 states and 223 transitions. [2023-11-21 18:31:30,441 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 223 transitions. [2023-11-21 18:31:30,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:31:30,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:30,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:30,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:31:30,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:30,545 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:30,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:30,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 160 states and 222 transitions. [2023-11-21 18:31:30,637 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 222 transitions. [2023-11-21 18:31:30,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:31:30,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:30,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:30,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:30,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:30,707 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:31,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:31,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 163 states and 226 transitions. [2023-11-21 18:31:31,143 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 226 transitions. [2023-11-21 18:31:31,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:31:31,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:31,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:31,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:31,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:31:31,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:31,503 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:35,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:35,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 173 states and 247 transitions. [2023-11-21 18:31:35,112 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 247 transitions. [2023-11-21 18:31:35,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:31:35,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:35,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:35,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:31:35,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:35,304 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:31:46,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:46,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 178 states and 258 transitions. [2023-11-21 18:31:46,837 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 258 transitions. [2023-11-21 18:31:46,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:31:46,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:46,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:46,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:46,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:46,908 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:46,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:46,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 181 states and 262 transitions. [2023-11-21 18:31:46,967 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 262 transitions. [2023-11-21 18:31:46,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:31:46,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:46,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:47,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:31:47,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:47,226 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:51,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:51,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 192 states and 286 transitions. [2023-11-21 18:31:51,427 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 286 transitions. [2023-11-21 18:31:51,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:31:51,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:51,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:51,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:31:51,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:51,705 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:56,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:56,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 203 states and 309 transitions. [2023-11-21 18:31:56,024 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 309 transitions. [2023-11-21 18:31:56,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:31:56,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:56,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:56,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:31:56,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:56,284 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:57,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:57,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 207 states and 316 transitions. [2023-11-21 18:31:57,823 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 316 transitions. [2023-11-21 18:31:57,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:31:57,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:57,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:57,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:57,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:31:57,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:58,255 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:32:00,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:00,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 206 states and 315 transitions. [2023-11-21 18:32:00,916 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 315 transitions. [2023-11-21 18:32:00,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:32:00,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:00,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:00,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:00,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:00,978 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:32:01,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:01,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 210 states and 322 transitions. [2023-11-21 18:32:01,783 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 322 transitions. [2023-11-21 18:32:01,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:32:01,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:01,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:01,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:32:01,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:02,037 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:32:03,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:03,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 214 states and 329 transitions. [2023-11-21 18:32:03,772 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 329 transitions. [2023-11-21 18:32:03,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:32:03,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:03,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:03,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:32:03,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:03,990 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:32:05,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:05,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 218 states and 335 transitions. [2023-11-21 18:32:05,613 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 335 transitions. [2023-11-21 18:32:05,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:32:05,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:05,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:05,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:05,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:32:05,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:05,806 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:32:08,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:08,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 223 states and 345 transitions. [2023-11-21 18:32:08,315 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 345 transitions. [2023-11-21 18:32:08,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:32:08,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:08,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:08,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:08,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:08,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:08,382 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:32:09,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:09,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 227 states and 351 transitions. [2023-11-21 18:32:09,068 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 351 transitions. [2023-11-21 18:32:09,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:32:09,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:09,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:09,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:32:09,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:09,377 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:32:11,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:11,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 231 states and 357 transitions. [2023-11-21 18:32:11,093 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 357 transitions. [2023-11-21 18:32:11,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:32:11,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:11,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:11,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:11,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:11,749 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.