./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-34.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_98d27417-fc35-4f3c-9c0b-9a553ab9ef2d/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d27417-fc35-4f3c-9c0b-9a553ab9ef2d/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_98d27417-fc35-4f3c-9c0b-9a553ab9ef2d/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d27417-fc35-4f3c-9c0b-9a553ab9ef2d/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-34.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d27417-fc35-4f3c-9c0b-9a553ab9ef2d/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_98d27417-fc35-4f3c-9c0b-9a553ab9ef2d/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 6879d183ea614705b8dec9095f843a55526481f961ca46c6ec00dfff8309d4ce --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:37:59,889 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:37:59,987 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d27417-fc35-4f3c-9c0b-9a553ab9ef2d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:37:59,993 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:37:59,994 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:38:00,041 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:38:00,043 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:38:00,043 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:38:00,044 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:38:00,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:38:00,046 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:38:00,047 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:38:00,047 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:38:00,047 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:38:00,047 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:38:00,047 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:38:00,047 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:38:00,047 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:38:00,047 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:38:00,047 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:38:00,047 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:38:00,048 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:38:00,048 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:38:00,048 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:38:00,048 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:38:00,048 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:38:00,048 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:38:00,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:38:00,048 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:38:00,049 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:38:00,049 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:38:00,049 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:38:00,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:38:00,049 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_98d27417-fc35-4f3c-9c0b-9a553ab9ef2d/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 -> 6879d183ea614705b8dec9095f843a55526481f961ca46c6ec00dfff8309d4ce [2024-11-25 03:38:00,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:38:00,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:38:00,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:38:00,408 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:38:00,409 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:38:00,410 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d27417-fc35-4f3c-9c0b-9a553ab9ef2d/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-34.i [2024-11-25 03:38:03,413 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d27417-fc35-4f3c-9c0b-9a553ab9ef2d/bin/ukojak-verify-ENZ3QT5qd3/data/1f776abcf/3764c1020c9249f8b79d8f0ef77cbde3/FLAG5e92954a6 [2024-11-25 03:38:03,723 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:38:03,724 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d27417-fc35-4f3c-9c0b-9a553ab9ef2d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-34.i [2024-11-25 03:38:03,757 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d27417-fc35-4f3c-9c0b-9a553ab9ef2d/bin/ukojak-verify-ENZ3QT5qd3/data/1f776abcf/3764c1020c9249f8b79d8f0ef77cbde3/FLAG5e92954a6 [2024-11-25 03:38:03,795 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d27417-fc35-4f3c-9c0b-9a553ab9ef2d/bin/ukojak-verify-ENZ3QT5qd3/data/1f776abcf/3764c1020c9249f8b79d8f0ef77cbde3 [2024-11-25 03:38:03,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:38:03,800 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:38:03,802 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:38:03,802 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:38:03,807 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:38:03,808 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:38:03" (1/1) ... [2024-11-25 03:38:03,810 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@388c48c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:03, skipping insertion in model container [2024-11-25 03:38:03,810 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:38:03" (1/1) ... [2024-11-25 03:38:03,840 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:38:03,994 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_98d27417-fc35-4f3c-9c0b-9a553ab9ef2d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-34.i[915,928] [2024-11-25 03:38:04,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:38:04,067 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:38:04,078 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_98d27417-fc35-4f3c-9c0b-9a553ab9ef2d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-34.i[915,928] [2024-11-25 03:38:04,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:38:04,126 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:38:04,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:04 WrapperNode [2024-11-25 03:38:04,127 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:38:04,128 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:38:04,128 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:38:04,129 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:38:04,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:04" (1/1) ... [2024-11-25 03:38:04,145 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:04" (1/1) ... [2024-11-25 03:38:04,193 INFO L138 Inliner]: procedures = 26, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 175 [2024-11-25 03:38:04,194 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:38:04,194 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:38:04,195 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:38:04,195 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:38:04,203 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:04" (1/1) ... [2024-11-25 03:38:04,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:04" (1/1) ... [2024-11-25 03:38:04,206 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:04" (1/1) ... [2024-11-25 03:38:04,206 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:04" (1/1) ... [2024-11-25 03:38:04,213 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:04" (1/1) ... [2024-11-25 03:38:04,215 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:04" (1/1) ... [2024-11-25 03:38:04,219 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:04" (1/1) ... [2024-11-25 03:38:04,226 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:04" (1/1) ... [2024-11-25 03:38:04,227 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:04" (1/1) ... [2024-11-25 03:38:04,231 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:38:04,238 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:38:04,239 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:38:04,239 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:38:04,240 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:04" (1/1) ... [2024-11-25 03:38:04,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:38:04,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d27417-fc35-4f3c-9c0b-9a553ab9ef2d/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:38:04,279 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d27417-fc35-4f3c-9c0b-9a553ab9ef2d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:38:04,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98d27417-fc35-4f3c-9c0b-9a553ab9ef2d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:38:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:38:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 03:38:04,313 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 03:38:04,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:38:04,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:38:04,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:38:04,412 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:38:04,414 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:38:04,916 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-25 03:38:04,916 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:38:05,352 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:38:05,353 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:38:05,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:38:05 BoogieIcfgContainer [2024-11-25 03:38:05,353 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:38:05,354 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:38:05,354 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:38:05,367 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:38:05,367 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:38:05" (1/1) ... [2024-11-25 03:38:05,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:38:05,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:38:05,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2024-11-25 03:38:05,461 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2024-11-25 03:38:05,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-25 03:38:05,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:38:05,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:38:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:38:14,034 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-25 03:38:14,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:38:14,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 48 states and 75 transitions. [2024-11-25 03:38:14,649 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 75 transitions. [2024-11-25 03:38:14,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-25 03:38:14,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:38:14,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:38:16,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:38:48,301 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 32 proven. 94 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2024-11-25 03:38:55,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:38:55,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 90 states and 153 transitions. [2024-11-25 03:38:55,668 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 153 transitions. [2024-11-25 03:38:55,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-25 03:38:55,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:38:55,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:38:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:39:02,075 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 24 proven. 66 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2024-11-25 03:39:05,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:39:05,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 97 states and 161 transitions. [2024-11-25 03:39:05,442 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 161 transitions. [2024-11-25 03:39:05,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-25 03:39:05,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:39:05,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:39:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:39:28,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1546 backedges. 40 proven. 132 refuted. 0 times theorem prover too weak. 1374 trivial. 0 not checked. [2024-11-25 03:39:33,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:39:33,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 119 states and 203 transitions. [2024-11-25 03:39:33,587 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 203 transitions. [2024-11-25 03:39:33,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-25 03:39:33,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:39:33,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:39:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:44,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2781 backedges. 212 proven. 304 refuted. 0 times theorem prover too weak. 2265 trivial. 0 not checked. [2024-11-25 03:42:30,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:30,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 157 states and 281 transitions. [2024-11-25 03:42:30,475 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 281 transitions. [2024-11-25 03:42:30,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-25 03:42:30,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:30,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:42:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat