./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/image_filter.c --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_46b6cec4-7595-48bf-bfa3-f73808b918bb/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b6cec4-7595-48bf-bfa3-f73808b918bb/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b6cec4-7595-48bf-bfa3-f73808b918bb/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b6cec4-7595-48bf-bfa3-f73808b918bb/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/image_filter.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b6cec4-7595-48bf-bfa3-f73808b918bb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b6cec4-7595-48bf-bfa3-f73808b918bb/bin/ukojak-verify-CZk0znPC7b --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 7739edac33edee82d3c388da137105adbe48f8f59b0d45074d101ea06edef10e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:46:52,515 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:46:52,572 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b6cec4-7595-48bf-bfa3-f73808b918bb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:46:52,577 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:46:52,577 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:46:52,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:46:52,598 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:46:52,598 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:46:52,598 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:46:52,599 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:46:52,599 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:46:52,599 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:46:52,599 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:46:52,599 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:46:52,599 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:46:52,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:46:52,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:46:52,599 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:46:52,599 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:46:52,600 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:46:52,600 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:46:52,600 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:46:52,600 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:46:52,600 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:46:52,600 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:46:52,600 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:46:52,600 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:46:52,600 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:46:52,600 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:46:52,600 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:46:52,601 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:46:52,601 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:46:52,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:46:52,601 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_46b6cec4-7595-48bf-bfa3-f73808b918bb/bin/ukojak-verify-CZk0znPC7b 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 -> 7739edac33edee82d3c388da137105adbe48f8f59b0d45074d101ea06edef10e [2024-12-06 05:46:52,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:46:52,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:46:52,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:46:52,850 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:46:52,850 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:46:52,852 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b6cec4-7595-48bf-bfa3-f73808b918bb/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/image_filter.c [2024-12-06 05:46:55,462 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b6cec4-7595-48bf-bfa3-f73808b918bb/bin/ukojak-verify-CZk0znPC7b/data/d7852f3f1/76fb7c583c384ba395a342631355fac2/FLAG3af82b7be [2024-12-06 05:46:55,696 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:46:55,696 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b6cec4-7595-48bf-bfa3-f73808b918bb/sv-benchmarks/c/float-benchs/image_filter.c [2024-12-06 05:46:55,705 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b6cec4-7595-48bf-bfa3-f73808b918bb/bin/ukojak-verify-CZk0znPC7b/data/d7852f3f1/76fb7c583c384ba395a342631355fac2/FLAG3af82b7be [2024-12-06 05:46:55,722 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b6cec4-7595-48bf-bfa3-f73808b918bb/bin/ukojak-verify-CZk0znPC7b/data/d7852f3f1/76fb7c583c384ba395a342631355fac2 [2024-12-06 05:46:55,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:46:55,726 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:46:55,727 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:46:55,727 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:46:55,732 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:46:55,733 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:46:55" (1/1) ... [2024-12-06 05:46:55,733 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c6e10a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:55, skipping insertion in model container [2024-12-06 05:46:55,734 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:46:55" (1/1) ... [2024-12-06 05:46:55,756 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:46:55,894 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_46b6cec4-7595-48bf-bfa3-f73808b918bb/sv-benchmarks/c/float-benchs/image_filter.c[564,577] [2024-12-06 05:46:55,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:46:55,970 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:46:55,981 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_46b6cec4-7595-48bf-bfa3-f73808b918bb/sv-benchmarks/c/float-benchs/image_filter.c[564,577] [2024-12-06 05:46:56,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:46:56,048 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:46:56,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:56 WrapperNode [2024-12-06 05:46:56,049 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:46:56,050 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:46:56,050 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:46:56,050 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:46:56,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:56" (1/1) ... [2024-12-06 05:46:56,075 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:56" (1/1) ... [2024-12-06 05:46:56,106 INFO L138 Inliner]: procedures = 21, calls = 695, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 567 [2024-12-06 05:46:56,107 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:46:56,107 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:46:56,107 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:46:56,107 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:46:56,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:56" (1/1) ... [2024-12-06 05:46:56,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:56" (1/1) ... [2024-12-06 05:46:56,120 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:56" (1/1) ... [2024-12-06 05:46:56,121 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:56" (1/1) ... [2024-12-06 05:46:56,145 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:56" (1/1) ... [2024-12-06 05:46:56,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:56" (1/1) ... [2024-12-06 05:46:56,152 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:56" (1/1) ... [2024-12-06 05:46:56,156 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:56" (1/1) ... [2024-12-06 05:46:56,160 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:56" (1/1) ... [2024-12-06 05:46:56,167 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:46:56,168 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:46:56,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:46:56,169 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:46:56,170 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:56" (1/1) ... [2024-12-06 05:46:56,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:46:56,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b6cec4-7595-48bf-bfa3-f73808b918bb/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:46:56,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b6cec4-7595-48bf-bfa3-f73808b918bb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:46:56,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b6cec4-7595-48bf-bfa3-f73808b918bb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:46:56,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:46:56,226 INFO L130 BoogieDeclarations]: Found specification of procedure sobel [2024-12-06 05:46:56,226 INFO L138 BoogieDeclarations]: Found implementation of procedure sobel [2024-12-06 05:46:56,226 INFO L130 BoogieDeclarations]: Found specification of procedure blur [2024-12-06 05:46:56,226 INFO L138 BoogieDeclarations]: Found implementation of procedure blur [2024-12-06 05:46:56,226 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 05:46:56,226 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 05:46:56,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:46:56,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 05:46:56,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-12-06 05:46:56,227 INFO L130 BoogieDeclarations]: Found specification of procedure filter [2024-12-06 05:46:56,227 INFO L138 BoogieDeclarations]: Found implementation of procedure filter [2024-12-06 05:46:56,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-12-06 05:46:56,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:46:56,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:46:56,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 05:46:56,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 05:46:56,227 INFO L130 BoogieDeclarations]: Found specification of procedure sobelitereen [2024-12-06 05:46:56,227 INFO L138 BoogieDeclarations]: Found implementation of procedure sobelitereen [2024-12-06 05:46:56,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 05:46:56,413 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:46:56,415 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:47:07,948 INFO L? ?]: Removed 171 outVars from TransFormulas that were not future-live. [2024-12-06 05:47:07,948 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:47:08,081 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:47:08,081 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:47:08,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:47:08 BoogieIcfgContainer [2024-12-06 05:47:08,081 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:47:08,082 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:47:08,082 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:47:08,092 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:47:08,092 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:47:08" (1/1) ... [2024-12-06 05:47:08,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:47:08,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:47:08,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 162 states and 229 transitions. [2024-12-06 05:47:08,157 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 229 transitions. [2024-12-06 05:47:08,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1294 [2024-12-06 05:47:08,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:47:08,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:47:10,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:47:12,599 INFO L134 CoverageAnalysis]: Checked inductivity of 75744 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 75744 trivial. 0 not checked. [2024-12-06 05:47:22,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:47:23,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:47:23,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 163 states and 230 transitions. [2024-12-06 05:47:23,014 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 230 transitions. [2024-12-06 05:47:23,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1871 [2024-12-06 05:47:23,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:47:23,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:47:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:47:27,674 INFO L134 CoverageAnalysis]: Checked inductivity of 155329 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 155328 trivial. 0 not checked. [2024-12-06 05:47:27,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:47:27,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 172 states and 244 transitions. [2024-12-06 05:47:27,825 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 244 transitions. [2024-12-06 05:47:27,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2448 [2024-12-06 05:47:27,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:47:27,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:47:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:47:34,107 INFO L134 CoverageAnalysis]: Checked inductivity of 263227 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 263216 trivial. 0 not checked. [2024-12-06 05:47:34,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:47:34,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 181 states and 257 transitions. [2024-12-06 05:47:34,248 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 257 transitions. [2024-12-06 05:47:34,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3025 [2024-12-06 05:47:34,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:47:34,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:47:38,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:47:42,222 INFO L134 CoverageAnalysis]: Checked inductivity of 399438 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 399408 trivial. 0 not checked. [2024-12-06 05:47:42,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:47:42,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 190 states and 270 transitions. [2024-12-06 05:47:42,380 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 270 transitions. [2024-12-06 05:47:42,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3602 [2024-12-06 05:47:42,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:47:42,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:47:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:47:52,883 INFO L134 CoverageAnalysis]: Checked inductivity of 563962 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 563904 trivial. 0 not checked. [2024-12-06 05:47:53,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:47:53,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 199 states and 283 transitions. [2024-12-06 05:47:53,046 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 283 transitions. [2024-12-06 05:47:53,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4179 [2024-12-06 05:47:53,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:47:53,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:47:59,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:48:07,516 INFO L134 CoverageAnalysis]: Checked inductivity of 756799 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 756704 trivial. 0 not checked. [2024-12-06 05:48:07,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:48:07,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 208 states and 296 transitions. [2024-12-06 05:48:07,651 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 296 transitions. [2024-12-06 05:48:07,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4756 [2024-12-06 05:48:07,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:48:07,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:48:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:48:26,032 INFO L134 CoverageAnalysis]: Checked inductivity of 977949 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 977808 trivial. 0 not checked. [2024-12-06 05:48:26,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:48:26,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 217 states and 309 transitions. [2024-12-06 05:48:26,166 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 309 transitions. [2024-12-06 05:48:26,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5333 [2024-12-06 05:48:26,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:48:26,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:48:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:48:48,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1227412 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 1227216 trivial. 0 not checked. [2024-12-06 05:48:48,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:48:48,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 226 states and 322 transitions. [2024-12-06 05:48:48,615 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 322 transitions. [2024-12-06 05:48:48,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5910 [2024-12-06 05:48:48,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:48:48,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:48:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:49:16,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1505188 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 1504928 trivial. 0 not checked. [2024-12-06 05:49:17,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:49:17,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 235 states and 335 transitions. [2024-12-06 05:49:17,099 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 335 transitions. [2024-12-06 05:49:17,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6487 [2024-12-06 05:49:17,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:49:17,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:49:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:49:53,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1811277 backedges. 0 proven. 333 refuted. 0 times theorem prover too weak. 1810944 trivial. 0 not checked. [2024-12-06 05:49:53,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:49:53,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 244 states and 347 transitions. [2024-12-06 05:49:53,873 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 347 transitions. [2024-12-06 05:49:54,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7064 [2024-12-06 05:49:54,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:49:54,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms