./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-69.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a63f349-7841-4639-aea3-723d196f908d/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a63f349-7841-4639-aea3-723d196f908d/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a63f349-7841-4639-aea3-723d196f908d/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a63f349-7841-4639-aea3-723d196f908d/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-69.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a63f349-7841-4639-aea3-723d196f908d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a63f349-7841-4639-aea3-723d196f908d/bin/ukojak-verify-afCqCEvfdi --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 ce5e577d5d5cb9bf861183f7fa3a3f36fd79d15f903a79d100d9f9ec904f1abe --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:07:59,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:07:59,243 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a63f349-7841-4639-aea3-723d196f908d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:07:59,255 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:07:59,259 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:07:59,294 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:07:59,297 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:07:59,298 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:07:59,299 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:07:59,305 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:07:59,305 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:07:59,306 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:07:59,306 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:07:59,308 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:07:59,308 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:07:59,309 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:07:59,309 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:07:59,310 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:07:59,310 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:07:59,311 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:07:59,311 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:07:59,312 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:07:59,313 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:07:59,313 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:07:59,313 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:07:59,314 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:07:59,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:07:59,315 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:07:59,315 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:07:59,316 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:07:59,317 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:07:59,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:07:59,318 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:07:59,318 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_4a63f349-7841-4639-aea3-723d196f908d/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a63f349-7841-4639-aea3-723d196f908d/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce5e577d5d5cb9bf861183f7fa3a3f36fd79d15f903a79d100d9f9ec904f1abe [2023-11-24 23:07:59,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:07:59,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:07:59,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:07:59,647 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:07:59,670 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:07:59,672 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a63f349-7841-4639-aea3-723d196f908d/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-69.i [2023-11-24 23:08:02,876 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:08:03,132 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:08:03,133 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a63f349-7841-4639-aea3-723d196f908d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-69.i [2023-11-24 23:08:03,142 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a63f349-7841-4639-aea3-723d196f908d/bin/ukojak-verify-afCqCEvfdi/data/2657606ba/54412ec2484a42e0b556270e351ed225/FLAGcf94cb5c6 [2023-11-24 23:08:03,157 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a63f349-7841-4639-aea3-723d196f908d/bin/ukojak-verify-afCqCEvfdi/data/2657606ba/54412ec2484a42e0b556270e351ed225 [2023-11-24 23:08:03,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:08:03,169 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:08:03,176 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:03,176 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:08:03,181 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:08:03,181 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:03" (1/1) ... [2023-11-24 23:08:03,182 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d939310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:03, skipping insertion in model container [2023-11-24 23:08:03,183 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:03" (1/1) ... [2023-11-24 23:08:03,209 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:08:03,369 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_4a63f349-7841-4639-aea3-723d196f908d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-69.i[915,928] [2023-11-24 23:08:03,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:03,437 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:08:03,456 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_4a63f349-7841-4639-aea3-723d196f908d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-69.i[915,928] [2023-11-24 23:08:03,484 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:03,502 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:08:03,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:03 WrapperNode [2023-11-24 23:08:03,503 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:03,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:03,505 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:08:03,505 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:08:03,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:03" (1/1) ... [2023-11-24 23:08:03,523 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:03" (1/1) ... [2023-11-24 23:08:03,561 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 134 [2023-11-24 23:08:03,561 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:03,562 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:08:03,563 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:08:03,563 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:08:03,573 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:03" (1/1) ... [2023-11-24 23:08:03,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:03" (1/1) ... [2023-11-24 23:08:03,576 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:03" (1/1) ... [2023-11-24 23:08:03,577 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:03" (1/1) ... [2023-11-24 23:08:03,598 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:03" (1/1) ... [2023-11-24 23:08:03,602 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:03" (1/1) ... [2023-11-24 23:08:03,604 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:03" (1/1) ... [2023-11-24 23:08:03,606 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:03" (1/1) ... [2023-11-24 23:08:03,610 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:08:03,611 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:08:03,611 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:08:03,612 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:08:03,612 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:03" (1/1) ... [2023-11-24 23:08:03,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:03,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a63f349-7841-4639-aea3-723d196f908d/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:08:03,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a63f349-7841-4639-aea3-723d196f908d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:08:03,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a63f349-7841-4639-aea3-723d196f908d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:08:03,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:08:03,696 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:08:03,696 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:08:03,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:08:03,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:08:03,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:08:03,789 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:08:03,792 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:08:04,182 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:08:04,411 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:08:04,412 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:08:04,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:04 BoogieIcfgContainer [2023-11-24 23:08:04,414 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:08:04,415 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:08:04,416 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:08:04,427 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:08:04,427 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:04" (1/1) ... [2023-11-24 23:08:04,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:08:04,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:04,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 50 transitions. [2023-11-24 23:08:04,502 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2023-11-24 23:08:04,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 23:08:04,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:04,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:05,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-24 23:08:05,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:15,630 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 166 proven. 24 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-11-24 23:08:16,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:16,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 48 states and 78 transitions. [2023-11-24 23:08:16,496 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 78 transitions. [2023-11-24 23:08:16,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 23:08:16,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:16,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:16,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:16,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-24 23:08:16,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:21,502 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 154 proven. 25 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-11-24 23:08:21,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:21,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 55 states and 89 transitions. [2023-11-24 23:08:21,947 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 89 transitions. [2023-11-24 23:08:21,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 23:08:21,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:21,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:22,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 60 conjunts are in the unsatisfiable core [2023-11-24 23:08:22,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:30,521 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 184 proven. 16 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-24 23:08:30,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:30,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 55 states and 89 transitions. [2023-11-24 23:08:30,737 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 89 transitions. [2023-11-24 23:08:30,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 23:08:30,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:30,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:30,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-24 23:08:30,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:35,799 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 154 proven. 25 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-11-24 23:08:35,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:35,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 55 states and 89 transitions. [2023-11-24 23:08:35,829 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 89 transitions. [2023-11-24 23:08:35,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 23:08:35,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:35,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:36,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-24 23:08:36,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:39,335 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 166 proven. 24 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-11-24 23:08:39,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:39,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 55 states and 89 transitions. [2023-11-24 23:08:39,371 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 89 transitions. [2023-11-24 23:08:39,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 23:08:39,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:39,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:39,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:39,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-24 23:08:39,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:43,538 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 154 proven. 25 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-11-24 23:08:43,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:43,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 55 states and 89 transitions. [2023-11-24 23:08:43,565 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 89 transitions. [2023-11-24 23:08:43,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 23:08:43,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:43,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:43,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-24 23:08:43,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:53,986 WARN L293 SmtUtils]: Spent 8.84s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-24 23:08:56,365 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 154 proven. 25 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-11-24 23:08:56,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:56,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 55 states and 89 transitions. [2023-11-24 23:08:56,394 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 89 transitions. [2023-11-24 23:08:56,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 23:08:56,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:56,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:56,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-24 23:08:56,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:00,266 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 154 proven. 25 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-11-24 23:09:00,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:00,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 55 states and 89 transitions. [2023-11-24 23:09:00,293 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 89 transitions. [2023-11-24 23:09:00,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 23:09:00,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:00,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:00,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-24 23:09:00,497 INFO L285 TraceCheckSpWp]: Computing forward predicates...