./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fab4c3-6fac-47ef-a8e3-bd38d61363f5/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fab4c3-6fac-47ef-a8e3-bd38d61363f5/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fab4c3-6fac-47ef-a8e3-bd38d61363f5/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fab4c3-6fac-47ef-a8e3-bd38d61363f5/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-data/packet_filter.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fab4c3-6fac-47ef-a8e3-bd38d61363f5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fab4c3-6fac-47ef-a8e3-bd38d61363f5/bin/ukojak-verify-G8NBE6pJGL --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 0.2.3-dev-9bd2c7f [2023-11-19 03:35:33,990 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:35:34,082 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fab4c3-6fac-47ef-a8e3-bd38d61363f5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:35:34,089 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:35:34,090 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:35:34,120 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:35:34,121 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:35:34,122 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:35:34,123 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:35:34,124 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:35:34,125 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:35:34,126 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:35:34,126 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:35:34,127 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:35:34,128 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:35:34,128 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:35:34,129 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:35:34,130 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:35:34,131 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:35:34,131 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:35:34,132 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:35:34,138 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:35:34,139 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:35:34,139 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:35:34,140 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:35:34,140 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:35:34,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:35:34,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:35:34,144 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:35:34,144 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:35:34,145 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:35:34,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:35:34,146 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:35:34,146 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fab4c3-6fac-47ef-a8e3-bd38d61363f5/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fab4c3-6fac-47ef-a8e3-bd38d61363f5/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d604fdd8f7c4d34db0106d8a0ff422218ae80e9ee6eb03f691b84d2fcc8ad49f [2023-11-19 03:35:34,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:35:34,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:35:34,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:35:34,492 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:35:34,492 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:35:34,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fab4c3-6fac-47ef-a8e3-bd38d61363f5/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/heap-data/packet_filter.i [2023-11-19 03:35:38,371 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:35:38,747 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:35:38,748 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fab4c3-6fac-47ef-a8e3-bd38d61363f5/sv-benchmarks/c/heap-data/packet_filter.i [2023-11-19 03:35:38,768 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fab4c3-6fac-47ef-a8e3-bd38d61363f5/bin/ukojak-verify-G8NBE6pJGL/data/0fc46e8cb/9d3b1e3e8f744d03838981ea4d334adc/FLAG4f5cc919b [2023-11-19 03:35:38,785 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fab4c3-6fac-47ef-a8e3-bd38d61363f5/bin/ukojak-verify-G8NBE6pJGL/data/0fc46e8cb/9d3b1e3e8f744d03838981ea4d334adc [2023-11-19 03:35:38,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:35:38,790 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:35:38,792 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:35:38,792 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:35:38,798 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:35:38,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:35:38" (1/1) ... [2023-11-19 03:35:38,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71be2000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:38, skipping insertion in model container [2023-11-19 03:35:38,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:35:38" (1/1) ... [2023-11-19 03:35:38,854 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:35:39,161 WARN L240 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_a3fab4c3-6fac-47ef-a8e3-bd38d61363f5/sv-benchmarks/c/heap-data/packet_filter.i[23925,23938] [2023-11-19 03:35:39,171 WARN L240 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_a3fab4c3-6fac-47ef-a8e3-bd38d61363f5/sv-benchmarks/c/heap-data/packet_filter.i[24159,24172] [2023-11-19 03:35:39,178 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:35:39,190 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:35:39,260 WARN L240 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_a3fab4c3-6fac-47ef-a8e3-bd38d61363f5/sv-benchmarks/c/heap-data/packet_filter.i[23925,23938] [2023-11-19 03:35:39,266 WARN L240 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_a3fab4c3-6fac-47ef-a8e3-bd38d61363f5/sv-benchmarks/c/heap-data/packet_filter.i[24159,24172] [2023-11-19 03:35:39,283 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:35:39,322 WARN L675 CHandler]: The function __VERIFIER_nondet_charp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:35:39,330 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:35:39,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:39 WrapperNode [2023-11-19 03:35:39,330 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:35:39,332 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:35:39,332 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:35:39,332 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:35:39,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:39" (1/1) ... [2023-11-19 03:35:39,356 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:39" (1/1) ... [2023-11-19 03:35:39,384 INFO L138 Inliner]: procedures = 130, calls = 86, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 161 [2023-11-19 03:35:39,385 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:35:39,385 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:35:39,386 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:35:39,386 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:35:39,396 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:39" (1/1) ... [2023-11-19 03:35:39,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:39" (1/1) ... [2023-11-19 03:35:39,407 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:39" (1/1) ... [2023-11-19 03:35:39,410 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:39" (1/1) ... [2023-11-19 03:35:39,428 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:39" (1/1) ... [2023-11-19 03:35:39,438 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:39" (1/1) ... [2023-11-19 03:35:39,440 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:39" (1/1) ... [2023-11-19 03:35:39,442 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:39" (1/1) ... [2023-11-19 03:35:39,447 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:35:39,452 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:35:39,452 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:35:39,452 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:35:39,453 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:39" (1/1) ... [2023-11-19 03:35:39,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:35:39,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fab4c3-6fac-47ef-a8e3-bd38d61363f5/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:35:39,480 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fab4c3-6fac-47ef-a8e3-bd38d61363f5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:35:39,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fab4c3-6fac-47ef-a8e3-bd38d61363f5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:35:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:35:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:35:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:35:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:35:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_queue [2023-11-19 03:35:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_queue [2023-11-19 03:35:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:35:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:35:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:35:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_charp [2023-11-19 03:35:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure send [2023-11-19 03:35:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure send [2023-11-19 03:35:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:35:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:35:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:35:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:35:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:35:39,702 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:35:39,704 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:35:40,163 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:35:40,232 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:35:40,233 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:35:40,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:35:40 BoogieIcfgContainer [2023-11-19 03:35:40,237 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:35:40,238 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:35:40,238 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:35:40,248 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:35:40,249 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:35:40" (1/1) ... [2023-11-19 03:35:40,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:35:40,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:40,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 33 states and 44 transitions. [2023-11-19 03:35:40,309 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2023-11-19 03:35:40,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:35:40,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:40,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:40,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:35:40,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:40,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2023-11-19 03:35:40,514 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2023-11-19 03:35:40,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:35:40,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:40,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:40,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:35:40,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:40,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2023-11-19 03:35:40,944 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2023-11-19 03:35:40,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:35:40,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:40,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:41,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:35:41,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:41,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 42 states and 55 transitions. [2023-11-19 03:35:41,529 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2023-11-19 03:35:41,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:35:41,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:41,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:42,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:35:42,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:42,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 46 states and 67 transitions. [2023-11-19 03:35:42,310 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 67 transitions. [2023-11-19 03:35:42,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:35:42,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:42,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:42,672 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:35:42,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:42,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 50 states and 80 transitions. [2023-11-19 03:35:42,948 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 80 transitions. [2023-11-19 03:35:42,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:35:42,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:42,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:43,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:44,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:35:46,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:46,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 62 states and 113 transitions. [2023-11-19 03:35:46,074 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 113 transitions. [2023-11-19 03:35:46,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:35:46,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:46,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:46,681 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:35:47,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:47,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 66 states and 127 transitions. [2023-11-19 03:35:47,880 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 127 transitions. [2023-11-19 03:35:47,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:35:47,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:47,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:48,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:35:48,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:48,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 66 states and 124 transitions. [2023-11-19 03:35:48,979 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 124 transitions. [2023-11-19 03:35:48,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:35:48,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:48,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:49,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:24,602 WARN L293 SmtUtils]: Spent 12.49s on a formula simplification that was a NOOP. DAG size: 137 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-19 03:36:24,711 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.