./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-data/packet_filter.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_327d9f87-ae6d-4476-9a55-498fa904333e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327d9f87-ae6d-4476-9a55-498fa904333e/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_327d9f87-ae6d-4476-9a55-498fa904333e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327d9f87-ae6d-4476-9a55-498fa904333e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-data/packet_filter.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327d9f87-ae6d-4476-9a55-498fa904333e/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_327d9f87-ae6d-4476-9a55-498fa904333e/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 d604fdd8f7c4d34db0106d8a0ff422218ae80e9ee6eb03f691b84d2fcc8ad49f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:46:06,685 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:46:06,738 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327d9f87-ae6d-4476-9a55-498fa904333e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 21:46:06,742 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:46:06,742 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:46:06,761 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:46:06,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:46:06,762 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:46:06,763 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:46:06,763 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:46:06,763 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:46:06,763 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:46:06,763 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:46:06,763 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:46:06,763 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:46:06,763 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:46:06,763 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:46:06,764 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:46:06,764 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:46:06,764 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:46:06,764 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:46:06,764 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:46:06,764 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:46:06,764 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:46:06,764 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:46:06,764 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:46:06,764 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:46:06,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:46:06,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:46:06,765 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:46:06,765 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:46:06,765 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:46:06,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:46:06,765 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_327d9f87-ae6d-4476-9a55-498fa904333e/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 -> d604fdd8f7c4d34db0106d8a0ff422218ae80e9ee6eb03f691b84d2fcc8ad49f [2024-12-05 21:46:06,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:46:06,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:46:06,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:46:06,983 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:46:06,984 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:46:06,985 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327d9f87-ae6d-4476-9a55-498fa904333e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/heap-data/packet_filter.i [2024-12-05 21:46:09,629 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327d9f87-ae6d-4476-9a55-498fa904333e/bin/ukojak-verify-CZk0znPC7b/data/8794f0985/1a75f0b6471840fd838a7e387c625f80/FLAG962f515c1 [2024-12-05 21:46:09,860 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:46:09,860 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327d9f87-ae6d-4476-9a55-498fa904333e/sv-benchmarks/c/heap-data/packet_filter.i [2024-12-05 21:46:09,871 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327d9f87-ae6d-4476-9a55-498fa904333e/bin/ukojak-verify-CZk0znPC7b/data/8794f0985/1a75f0b6471840fd838a7e387c625f80/FLAG962f515c1 [2024-12-05 21:46:10,214 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327d9f87-ae6d-4476-9a55-498fa904333e/bin/ukojak-verify-CZk0znPC7b/data/8794f0985/1a75f0b6471840fd838a7e387c625f80 [2024-12-05 21:46:10,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:46:10,217 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:46:10,218 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:46:10,218 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:46:10,221 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:46:10,222 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:46:10" (1/1) ... [2024-12-05 21:46:10,222 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@652ae7df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:46:10, skipping insertion in model container [2024-12-05 21:46:10,222 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:46:10" (1/1) ... [2024-12-05 21:46:10,246 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:46:10,447 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_327d9f87-ae6d-4476-9a55-498fa904333e/sv-benchmarks/c/heap-data/packet_filter.i[23925,23938] [2024-12-05 21:46:10,454 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_327d9f87-ae6d-4476-9a55-498fa904333e/sv-benchmarks/c/heap-data/packet_filter.i[24159,24172] [2024-12-05 21:46:10,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:46:10,468 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:46:10,503 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_327d9f87-ae6d-4476-9a55-498fa904333e/sv-benchmarks/c/heap-data/packet_filter.i[23925,23938] [2024-12-05 21:46:10,506 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_327d9f87-ae6d-4476-9a55-498fa904333e/sv-benchmarks/c/heap-data/packet_filter.i[24159,24172] [2024-12-05 21:46:10,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:46:10,537 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:46:10,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:46:10 WrapperNode [2024-12-05 21:46:10,538 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:46:10,538 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:46:10,538 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:46:10,538 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:46:10,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:46:10" (1/1) ... [2024-12-05 21:46:10,553 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:46:10" (1/1) ... [2024-12-05 21:46:10,569 INFO L138 Inliner]: procedures = 130, calls = 85, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 161 [2024-12-05 21:46:10,569 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:46:10,570 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:46:10,570 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:46:10,570 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:46:10,576 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:46:10" (1/1) ... [2024-12-05 21:46:10,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:46:10" (1/1) ... [2024-12-05 21:46:10,580 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:46:10" (1/1) ... [2024-12-05 21:46:10,580 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:46:10" (1/1) ... [2024-12-05 21:46:10,590 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:46:10" (1/1) ... [2024-12-05 21:46:10,591 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:46:10" (1/1) ... [2024-12-05 21:46:10,595 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:46:10" (1/1) ... [2024-12-05 21:46:10,596 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:46:10" (1/1) ... [2024-12-05 21:46:10,598 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:46:10" (1/1) ... [2024-12-05 21:46:10,600 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:46:10,601 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:46:10,601 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:46:10,602 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:46:10,602 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:46:10" (1/1) ... [2024-12-05 21:46:10,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:46:10,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327d9f87-ae6d-4476-9a55-498fa904333e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:46:10,631 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327d9f87-ae6d-4476-9a55-498fa904333e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:46:10,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327d9f87-ae6d-4476-9a55-498fa904333e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:46:10,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 21:46:10,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 21:46:10,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 21:46:10,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:46:10,660 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_queue [2024-12-05 21:46:10,661 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_queue [2024-12-05 21:46:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-05 21:46:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 21:46:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-05 21:46:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure send [2024-12-05 21:46:10,661 INFO L138 BoogieDeclarations]: Found implementation of procedure send [2024-12-05 21:46:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 21:46:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-05 21:46:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:46:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:46:10,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:46:10,773 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:46:10,775 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:46:11,032 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-12-05 21:46:11,032 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:46:11,099 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:46:11,099 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-05 21:46:11,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:46:11 BoogieIcfgContainer [2024-12-05 21:46:11,100 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:46:11,101 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:46:11,101 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:46:11,109 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:46:11,110 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:46:11" (1/1) ... [2024-12-05 21:46:11,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:46:11,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:11,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 33 states and 44 transitions. [2024-12-05 21:46:11,154 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2024-12-05 21:46:11,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 21:46:11,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:11,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:46:11,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:11,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:46:11,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:11,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2024-12-05 21:46:11,298 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2024-12-05 21:46:11,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 21:46:11,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:11,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:46:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:11,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:46:11,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:11,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2024-12-05 21:46:11,556 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2024-12-05 21:46:11,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 21:46:11,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:11,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:46:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:11,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:46:11,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:11,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 42 states and 55 transitions. [2024-12-05 21:46:11,904 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2024-12-05 21:46:11,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 21:46:11,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:11,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:46:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:12,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:46:12,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:12,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 46 states and 67 transitions. [2024-12-05 21:46:12,485 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 67 transitions. [2024-12-05 21:46:12,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 21:46:12,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:12,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:46:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:12,724 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:46:12,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:12,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 50 states and 80 transitions. [2024-12-05 21:46:12,982 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 80 transitions. [2024-12-05 21:46:12,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 21:46:12,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:12,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:46:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:14,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:46:15,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:15,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 62 states and 113 transitions. [2024-12-05 21:46:15,814 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 113 transitions. [2024-12-05 21:46:15,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 21:46:15,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:15,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:46:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:16,290 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 21:46:17,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:17,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 66 states and 127 transitions. [2024-12-05 21:46:17,314 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 127 transitions. [2024-12-05 21:46:17,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 21:46:17,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:17,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:46:17,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:17,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:46:18,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:18,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 66 states and 124 transitions. [2024-12-05 21:46:18,122 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 124 transitions. [2024-12-05 21:46:18,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 21:46:18,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:18,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:46:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:32,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:47:10,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:47:10,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 73 states and 142 transitions. [2024-12-05 21:47:10,337 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 142 transitions. [2024-12-05 21:47:10,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 21:47:10,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:47:10,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:47:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:47:12,518 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:47:50,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:47:50,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 82 states and 171 transitions. [2024-12-05 21:47:50,798 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 171 transitions. [2024-12-05 21:47:50,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 21:47:50,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:47:50,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:47:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:47:52,175 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:47:57,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:47:57,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 86 states and 185 transitions. [2024-12-05 21:47:57,827 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 185 transitions. [2024-12-05 21:47:57,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 21:47:57,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:47:57,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:47:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:47:58,040 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:47:59,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:47:59,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 88 states and 188 transitions. [2024-12-05 21:47:59,600 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 188 transitions. [2024-12-05 21:47:59,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 21:47:59,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:47:59,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:47:59,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:48:03,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:48:21,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:48:21,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 102 states and 232 transitions. [2024-12-05 21:48:21,792 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 232 transitions. [2024-12-05 21:48:21,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 21:48:21,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:48:21,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:48:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:48:21,882 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:48:23,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:48:23,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 102 states and 227 transitions. [2024-12-05 21:48:23,419 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 227 transitions. [2024-12-05 21:48:23,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 21:48:23,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:48:23,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:48:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:48:28,717 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:48:46,415 WARN L286 SmtUtils]: Spent 6.25s on a formula simplification. DAG size of input: 142 DAG size of output: 141 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:48:57,890 WARN L286 SmtUtils]: Spent 6.44s on a formula simplification. DAG size of input: 144 DAG size of output: 143 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:49:23,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:49:32,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:49:32,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 111 states and 260 transitions. [2024-12-05 21:49:32,791 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 260 transitions. [2024-12-05 21:49:32,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 21:49:32,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:49:32,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:49:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:49:33,315 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 21:49:37,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:49:37,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 114 states and 269 transitions. [2024-12-05 21:49:37,255 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 269 transitions. [2024-12-05 21:49:37,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 21:49:37,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:49:37,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:49:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:49:38,682 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 21:49:42,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:49:42,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 116 states and 269 transitions. [2024-12-05 21:49:42,581 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 269 transitions. [2024-12-05 21:49:42,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 21:49:42,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:49:42,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:49:42,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:50:09,200 WARN L286 SmtUtils]: Spent 7.40s on a formula simplification that was a NOOP. DAG size: 129 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:50:09,218 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:50:30,984 WARN L286 SmtUtils]: Spent 7.62s on a formula simplification that was a NOOP. DAG size: 130 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:50:37,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:50:37,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 120 states and 279 transitions. [2024-12-05 21:50:37,517 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 279 transitions. [2024-12-05 21:50:37,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 21:50:37,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:50:37,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:50:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:50:42,962 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:50:58,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:50:58,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 127 states and 304 transitions. [2024-12-05 21:50:58,604 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 304 transitions. [2024-12-05 21:50:58,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 21:50:58,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:50:58,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:50:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:51:03,411 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 21:51:08,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:51:08,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 131 states and 313 transitions. [2024-12-05 21:51:08,876 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 313 transitions. [2024-12-05 21:51:08,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 21:51:08,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:51:08,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:51:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:51:18,835 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:51:36,018 WARN L286 SmtUtils]: Spent 7.40s on a formula simplification. DAG size of input: 161 DAG size of output: 159 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:51:50,008 WARN L286 SmtUtils]: Spent 7.33s on a formula simplification. DAG size of input: 162 DAG size of output: 157 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:52:07,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:52:25,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:52:50,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:52:50,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 142 states and 341 transitions. [2024-12-05 21:52:50,991 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 341 transitions. [2024-12-05 21:52:50,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 21:52:50,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:52:50,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:52:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:53:00,166 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:53:29,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:53:29,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 149 states and 380 transitions. [2024-12-05 21:53:29,299 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 380 transitions. [2024-12-05 21:53:29,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 21:53:29,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:53:29,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:53:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:53:35,096 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:53:50,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:53:50,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 153 states and 393 transitions. [2024-12-05 21:53:50,516 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 393 transitions. [2024-12-05 21:53:50,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 21:53:50,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:53:50,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:53:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:53:54,699 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 21:54:07,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:54:07,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 157 states and 407 transitions. [2024-12-05 21:54:07,617 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 407 transitions. [2024-12-05 21:54:07,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 21:54:07,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:54:07,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:54:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:54:09,135 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 21:54:12,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:54:12,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 159 states and 409 transitions. [2024-12-05 21:54:12,091 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 409 transitions. [2024-12-05 21:54:12,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 21:54:12,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:54:12,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:54:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:54:29,232 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:55:30,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:55:30,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 171 states and 439 transitions. [2024-12-05 21:55:30,278 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 439 transitions. [2024-12-05 21:55:30,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 21:55:30,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:55:30,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:55:30,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:55:34,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:55:45,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:55:45,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 173 states and 445 transitions. [2024-12-05 21:55:45,380 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 445 transitions. [2024-12-05 21:55:45,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 21:55:45,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:55:45,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:55:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:55:47,156 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:56:00,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:56:00,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 178 states and 455 transitions. [2024-12-05 21:56:00,261 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 455 transitions. [2024-12-05 21:56:00,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:56:00,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:56:00,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:56:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:56:02,614 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 21:56:15,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:56:15,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 184 states and 482 transitions. [2024-12-05 21:56:15,614 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 482 transitions. [2024-12-05 21:56:15,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 21:56:15,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:56:15,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:56:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:56:19,869 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 21:56:31,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:56:31,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 188 states and 497 transitions. [2024-12-05 21:56:31,829 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 497 transitions. [2024-12-05 21:56:31,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:56:31,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:56:31,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:56:31,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:56:39,438 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:57:09,819 WARN L286 SmtUtils]: Spent 9.66s on a formula simplification. DAG size of input: 164 DAG size of output: 157 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:57:28,874 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification. DAG size of input: 166 DAG size of output: 155 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:57:55,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:58:27,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:59:05,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:59:05,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 201 states and 532 transitions. [2024-12-05 21:59:05,466 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 532 transitions. [2024-12-05 21:59:05,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:59:05,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:59:05,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:59:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:59:15,226 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:59:43,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:59:43,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 208 states and 550 transitions. [2024-12-05 21:59:43,086 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 550 transitions. [2024-12-05 21:59:43,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 21:59:43,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:59:43,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:59:43,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:59:45,048 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 21:59:51,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:59:51,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 210 states and 560 transitions. [2024-12-05 21:59:51,893 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 560 transitions. [2024-12-05 21:59:51,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 21:59:51,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:59:51,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:59:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:01:09,944 WARN L286 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)