./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound50.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a9d799-4d3b-472a-9388-3995840150d8/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a9d799-4d3b-472a-9388-3995840150d8/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a9d799-4d3b-472a-9388-3995840150d8/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a9d799-4d3b-472a-9388-3995840150d8/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a9d799-4d3b-472a-9388-3995840150d8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a9d799-4d3b-472a-9388-3995840150d8/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 698c604312f3eb09bef7f8f6e092d43de99877a411ec8f3c76598811466d02b7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:42:59,903 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:42:59,963 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a9d799-4d3b-472a-9388-3995840150d8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:42:59,974 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:42:59,974 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:43:00,011 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:43:00,012 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:43:00,012 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:43:00,013 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:43:00,013 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:43:00,013 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:43:00,013 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:43:00,013 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:43:00,013 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:43:00,014 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:43:00,014 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:43:00,014 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:43:00,014 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:43:00,014 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:43:00,014 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:43:00,016 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:43:00,016 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:43:00,016 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:43:00,017 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:43:00,017 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:43:00,017 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:43:00,017 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:43:00,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:43:00,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:43:00,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:43:00,018 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:43:00,018 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:43:00,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:43:00,018 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a9d799-4d3b-472a-9388-3995840150d8/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 698c604312f3eb09bef7f8f6e092d43de99877a411ec8f3c76598811466d02b7 [2024-11-25 03:43:00,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:43:00,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:43:00,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:43:00,344 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:43:00,344 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:43:00,345 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a9d799-4d3b-472a-9388-3995840150d8/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound50.i [2024-11-25 03:43:03,403 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a9d799-4d3b-472a-9388-3995840150d8/bin/ukojak-verify-ENZ3QT5qd3/data/c0884ac98/b38864b95f7846d5bc187dd2e8dbfcda/FLAGb4049139d [2024-11-25 03:43:03,675 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:43:03,676 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a9d799-4d3b-472a-9388-3995840150d8/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound50.i [2024-11-25 03:43:03,684 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a9d799-4d3b-472a-9388-3995840150d8/bin/ukojak-verify-ENZ3QT5qd3/data/c0884ac98/b38864b95f7846d5bc187dd2e8dbfcda/FLAGb4049139d [2024-11-25 03:43:03,717 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a9d799-4d3b-472a-9388-3995840150d8/bin/ukojak-verify-ENZ3QT5qd3/data/c0884ac98/b38864b95f7846d5bc187dd2e8dbfcda [2024-11-25 03:43:03,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:43:03,723 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:43:03,725 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:43:03,726 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:43:03,731 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:43:03,732 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:43:03" (1/1) ... [2024-11-25 03:43:03,733 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@371ec088 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:03, skipping insertion in model container [2024-11-25 03:43:03,733 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:43:03" (1/1) ... [2024-11-25 03:43:03,752 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:43:03,928 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a9d799-4d3b-472a-9388-3995840150d8/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound50.i[951,964] [2024-11-25 03:43:03,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:43:03,961 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:43:03,972 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a9d799-4d3b-472a-9388-3995840150d8/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound50.i[951,964] [2024-11-25 03:43:03,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:43:04,000 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:43:04,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:04 WrapperNode [2024-11-25 03:43:04,002 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:43:04,003 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:43:04,004 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:43:04,004 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:43:04,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:04" (1/1) ... [2024-11-25 03:43:04,019 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:04" (1/1) ... [2024-11-25 03:43:04,038 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2024-11-25 03:43:04,038 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:43:04,039 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:43:04,039 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:43:04,039 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:43:04,046 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:04" (1/1) ... [2024-11-25 03:43:04,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:04" (1/1) ... [2024-11-25 03:43:04,050 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:04" (1/1) ... [2024-11-25 03:43:04,051 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:04" (1/1) ... [2024-11-25 03:43:04,053 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:04" (1/1) ... [2024-11-25 03:43:04,054 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:04" (1/1) ... [2024-11-25 03:43:04,063 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:04" (1/1) ... [2024-11-25 03:43:04,066 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:04" (1/1) ... [2024-11-25 03:43:04,066 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:04" (1/1) ... [2024-11-25 03:43:04,068 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:43:04,071 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:43:04,071 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:43:04,071 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:43:04,076 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:43:04" (1/1) ... [2024-11-25 03:43:04,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:43:04,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a9d799-4d3b-472a-9388-3995840150d8/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:43:04,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a9d799-4d3b-472a-9388-3995840150d8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:43:04,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a9d799-4d3b-472a-9388-3995840150d8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:43:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:43:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:43:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:43:04,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:43:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 03:43:04,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 03:43:04,206 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:43:04,209 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:43:04,329 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 03:43:04,329 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:43:04,376 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:43:04,376 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-25 03:43:04,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:43:04 BoogieIcfgContainer [2024-11-25 03:43:04,377 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:43:04,378 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:43:04,378 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:43:04,391 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:43:04,391 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:43:04" (1/1) ... [2024-11-25 03:43:04,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:43:04,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:04,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2024-11-25 03:43:04,447 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-11-25 03:43:04,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 03:43:04,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:04,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:43:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:43:04,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:04,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 03:43:04,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:04,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:43:04,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:04,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2024-11-25 03:43:04,931 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2024-11-25 03:43:04,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 03:43:04,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:04,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:43:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:05,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:43:05,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:05,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-11-25 03:43:05,745 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-11-25 03:43:05,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 03:43:05,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:05,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:43:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:06,041 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:43:06,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:06,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-11-25 03:43:06,520 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-11-25 03:43:06,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 03:43:06,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:06,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:43:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:43:06,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:06,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:43:06,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:07,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:43:08,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:08,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 24 states and 44 transitions. [2024-11-25 03:43:08,882 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 44 transitions. [2024-11-25 03:43:08,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 03:43:08,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:08,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:43:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:43:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:09,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-25 03:43:09,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:09,522 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:43:11,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:11,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 28 states and 58 transitions. [2024-11-25 03:43:11,382 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 58 transitions. [2024-11-25 03:43:11,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 03:43:11,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:11,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:43:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:43:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:11,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 03:43:11,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:12,098 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:43:14,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:14,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 33 states and 72 transitions. [2024-11-25 03:43:14,540 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 72 transitions. [2024-11-25 03:43:14,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 03:43:14,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:14,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:43:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:43:14,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:14,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 03:43:14,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:15,857 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:43:19,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:19,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 36 states and 82 transitions. [2024-11-25 03:43:19,547 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 82 transitions. [2024-11-25 03:43:19,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:43:19,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:19,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:43:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:20,509 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 03:43:25,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:25,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 39 states and 88 transitions. [2024-11-25 03:43:25,117 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 88 transitions. [2024-11-25 03:43:25,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 03:43:25,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:25,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:43:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:43:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:25,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-25 03:43:25,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:26,267 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 03:43:30,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:30,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 45 states and 102 transitions. [2024-11-25 03:43:30,186 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 102 transitions. [2024-11-25 03:43:30,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 03:43:30,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:30,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:43:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:43:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:30,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-25 03:43:30,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:31,410 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 03:43:37,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:37,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 51 states and 117 transitions. [2024-11-25 03:43:37,167 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 117 transitions. [2024-11-25 03:43:37,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 03:43:37,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:37,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:43:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:43:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:37,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-25 03:43:37,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:40,735 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 03:43:46,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:46,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 56 states and 133 transitions. [2024-11-25 03:43:46,585 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 133 transitions. [2024-11-25 03:43:46,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 03:43:46,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:46,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:43:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:43:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:46,965 WARN L254 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-25 03:43:46,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:48,119 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 03:43:50,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:50,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 60 states and 143 transitions. [2024-11-25 03:43:50,231 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 143 transitions. [2024-11-25 03:43:50,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 03:43:50,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:50,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:43:50,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:43:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:50,566 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-25 03:43:50,568 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:52,644 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 03:43:59,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:59,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 65 states and 159 transitions. [2024-11-25 03:43:59,815 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 159 transitions. [2024-11-25 03:43:59,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 03:43:59,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:59,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:43:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:44:00,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:00,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-25 03:44:00,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:44:00,763 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 03:44:01,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:01,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 66 states and 163 transitions. [2024-11-25 03:44:01,794 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 163 transitions. [2024-11-25 03:44:01,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 03:44:01,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:01,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:44:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:44:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:02,086 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-25 03:44:02,088 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:44:03,395 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 03:44:11,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:11,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 67 states and 158 transitions. [2024-11-25 03:44:11,393 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 158 transitions. [2024-11-25 03:44:11,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 03:44:11,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:11,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:44:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:13,250 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:44:15,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:15,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 68 states and 160 transitions. [2024-11-25 03:44:15,494 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 160 transitions. [2024-11-25 03:44:15,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 03:44:15,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:15,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:44:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:44:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:17,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-25 03:44:17,007 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:44:29,079 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 03:45:10,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:45:10,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 71 states and 168 transitions. [2024-11-25 03:45:10,615 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 168 transitions. [2024-11-25 03:45:10,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 03:45:10,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:45:10,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:45:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:45:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:45:11,172 WARN L254 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-25 03:45:11,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:45:13,873 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 03:45:50,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:45:50,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 75 states and 177 transitions. [2024-11-25 03:45:50,426 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 177 transitions. [2024-11-25 03:45:50,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 03:45:50,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:45:50,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:45:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:45:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:45:50,756 WARN L254 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-25 03:45:50,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:46:02,710 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 32 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 03:46:39,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:46:39,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 77 states and 183 transitions. [2024-11-25 03:46:39,078 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 183 transitions. [2024-11-25 03:46:39,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 03:46:39,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:46:39,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:46:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:46:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:46:39,311 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-25 03:46:39,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:46:51,725 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 03:47:01,743 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 03:47:21,764 WARN L286 SmtUtils]: Spent 20.02s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 03:47:31,780 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 03:48:40,333 WARN L286 SmtUtils]: Spent 50.75s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:48:41,026 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 5 proven. 37 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 03:49:05,126 WARN L286 SmtUtils]: Spent 18.57s on a formula simplification that was a NOOP. DAG size: 153 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:49:34,670 WARN L286 SmtUtils]: Spent 24.40s on a formula simplification that was a NOOP. DAG size: 154 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:50:41,651 WARN L286 SmtUtils]: Spent 52.57s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:52:28,285 WARN L286 SmtUtils]: Spent 1.76m on a formula simplification that was a NOOP. DAG size: 250 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:54:16,565 WARN L286 SmtUtils]: Spent 1.73m on a formula simplification that was a NOOP. DAG size: 251 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:54:18,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:18,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 79 states and 189 transitions. [2024-11-25 03:54:18,610 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 189 transitions. [2024-11-25 03:54:18,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-25 03:54:18,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:18,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:54:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:26,748 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 12 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-25 03:55:40,694 WARN L286 SmtUtils]: Spent 5.37s on a formula simplification. DAG size of input: 154 DAG size of output: 105 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:56:09,982 WARN L286 SmtUtils]: Spent 27.74s on a formula simplification. DAG size of input: 156 DAG size of output: 153 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:56:39,841 WARN L286 SmtUtils]: Spent 24.96s on a formula simplification that was a NOOP. DAG size: 154 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:56:41,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:56:41,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 81 states and 205 transitions. [2024-11-25 03:56:41,130 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 205 transitions. [2024-11-25 03:56:41,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 03:56:41,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:56:41,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:56:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:56:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:56:42,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-25 03:56:42,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:58:06,504 WARN L286 SmtUtils]: Spent 26.94s on a formula simplification that was a NOOP. DAG size: 65 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)