./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_ae6c0872-4eb6-4058-a265-20bf09887667/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6c0872-4eb6-4058-a265-20bf09887667/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6c0872-4eb6-4058-a265-20bf09887667/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6c0872-4eb6-4058-a265-20bf09887667/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6c0872-4eb6-4058-a265-20bf09887667/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6c0872-4eb6-4058-a265-20bf09887667/bin/ukojak-verify-ImItNfHLgk --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 b879e9957df47aa9212d1bcb19c90b87b865d954f1a44f3c044747ce0553d2eb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:42:39,226 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:42:39,351 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6c0872-4eb6-4058-a265-20bf09887667/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:42:39,357 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:42:39,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:42:39,401 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:42:39,403 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:42:39,403 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:42:39,405 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:42:39,407 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:42:39,408 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:42:39,409 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:42:39,409 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:42:39,410 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:42:39,410 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:42:39,411 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:42:39,411 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:42:39,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:42:39,416 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:42:39,417 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:42:39,417 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:42:39,418 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:42:39,422 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:42:39,423 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:42:39,423 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:42:39,424 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:42:39,424 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:42:39,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:42:39,425 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:42:39,428 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:42:39,428 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:42:39,429 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:42:39,429 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:42:39,430 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_ae6c0872-4eb6-4058-a265-20bf09887667/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6c0872-4eb6-4058-a265-20bf09887667/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b879e9957df47aa9212d1bcb19c90b87b865d954f1a44f3c044747ce0553d2eb [2024-11-08 22:42:39,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:42:39,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:42:39,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:42:39,852 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:42:39,853 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:42:39,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6c0872-4eb6-4058-a265-20bf09887667/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound10.i Unable to find full path for "g++" [2024-11-08 22:42:42,227 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:42:42,481 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:42:42,482 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6c0872-4eb6-4058-a265-20bf09887667/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound10.i [2024-11-08 22:42:42,498 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6c0872-4eb6-4058-a265-20bf09887667/bin/ukojak-verify-ImItNfHLgk/data/529790fa9/51cf46481948442abc57956c221cb249/FLAG4ab037a34 [2024-11-08 22:42:42,527 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6c0872-4eb6-4058-a265-20bf09887667/bin/ukojak-verify-ImItNfHLgk/data/529790fa9/51cf46481948442abc57956c221cb249 [2024-11-08 22:42:42,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:42:42,535 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:42:42,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:42:42,539 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:42:42,545 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:42:42,546 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:42:42" (1/1) ... [2024-11-08 22:42:42,552 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10870294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:42, skipping insertion in model container [2024-11-08 22:42:42,552 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:42:42" (1/1) ... [2024-11-08 22:42:42,585 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:42:42,866 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_ae6c0872-4eb6-4058-a265-20bf09887667/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound10.i[950,963] [2024-11-08 22:42:42,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:42:42,915 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:42:42,932 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_ae6c0872-4eb6-4058-a265-20bf09887667/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound10.i[950,963] [2024-11-08 22:42:42,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:42:42,975 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:42:42,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:42 WrapperNode [2024-11-08 22:42:42,976 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:42:42,978 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:42:42,978 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:42:42,979 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:42:42,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:42" (1/1) ... [2024-11-08 22:42:42,999 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:42" (1/1) ... [2024-11-08 22:42:43,022 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2024-11-08 22:42:43,023 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:42:43,024 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:42:43,026 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:42:43,026 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:42:43,039 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:42" (1/1) ... [2024-11-08 22:42:43,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:42" (1/1) ... [2024-11-08 22:42:43,041 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:42" (1/1) ... [2024-11-08 22:42:43,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:42" (1/1) ... [2024-11-08 22:42:43,053 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:42" (1/1) ... [2024-11-08 22:42:43,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:42" (1/1) ... [2024-11-08 22:42:43,063 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:42" (1/1) ... [2024-11-08 22:42:43,065 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:42" (1/1) ... [2024-11-08 22:42:43,070 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:42:43,073 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:42:43,074 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:42:43,074 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:42:43,075 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:42:42" (1/1) ... [2024-11-08 22:42:43,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:42:43,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6c0872-4eb6-4058-a265-20bf09887667/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:42:43,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6c0872-4eb6-4058-a265-20bf09887667/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:42:43,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6c0872-4eb6-4058-a265-20bf09887667/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:42:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:42:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:42:43,163 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:42:43,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:42:43,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:42:43,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:42:43,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:42:43,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:42:43,254 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:42:43,257 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:42:43,496 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-08 22:42:43,496 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:42:43,589 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:42:43,589 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 22:42:43,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:42:43 BoogieIcfgContainer [2024-11-08 22:42:43,590 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:42:43,591 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:42:43,591 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:42:43,606 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:42:43,606 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:42:43" (1/1) ... [2024-11-08 22:42:43,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:42:43,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:43,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-11-08 22:42:43,711 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-11-08 22:42:43,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:42:43,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:43,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:42:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:43,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:42:43,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:43,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2024-11-08 22:42:43,955 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-11-08 22:42:43,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 22:42:43,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:43,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:42:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:44,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:42:44,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:44,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 30 transitions. [2024-11-08 22:42:44,223 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2024-11-08 22:42:44,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:42:44,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:44,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:42:44,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:44,420 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:42:44,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:44,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 37 transitions. [2024-11-08 22:42:44,582 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-11-08 22:42:44,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:42:44,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:44,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:42:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:42:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:44,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:42:44,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:44,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:42:45,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:45,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 54 transitions. [2024-11-08 22:42:45,482 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2024-11-08 22:42:45,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 22:42:45,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:45,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:42:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:45,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:42:45,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:45,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 58 transitions. [2024-11-08 22:42:45,835 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2024-11-08 22:42:45,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:42:45,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:45,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:42:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:46,014 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:42:46,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:46,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 40 states and 66 transitions. [2024-11-08 22:42:46,373 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2024-11-08 22:42:46,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:42:46,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:46,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:42:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:42:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:46,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:42:46,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:46,572 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:42:46,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:46,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 42 states and 68 transitions. [2024-11-08 22:42:46,939 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2024-11-08 22:42:46,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:42:46,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:46,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:42:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:42:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:47,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:42:47,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:47,091 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:42:47,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:47,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 74 transitions. [2024-11-08 22:42:47,458 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2024-11-08 22:42:47,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:42:47,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:47,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:42:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:47,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:42:48,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:48,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 74 transitions. [2024-11-08 22:42:48,983 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 74 transitions. [2024-11-08 22:42:48,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:42:48,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:48,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:42:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:49,093 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:42:49,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:49,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 48 states and 80 transitions. [2024-11-08 22:42:49,282 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 80 transitions. [2024-11-08 22:42:49,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:42:49,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:49,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:42:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:42:49,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:49,357 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:42:49,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:49,438 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-08 22:42:49,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:49,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 50 states and 82 transitions. [2024-11-08 22:42:49,664 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 82 transitions. [2024-11-08 22:42:49,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:42:49,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:49,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:42:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:49,928 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:42:50,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:50,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 53 states and 91 transitions. [2024-11-08 22:42:50,878 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 91 transitions. [2024-11-08 22:42:50,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:42:50,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:50,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:42:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:42:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:50,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:42:50,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:51,307 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 22:42:52,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:52,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 56 states and 97 transitions. [2024-11-08 22:42:52,410 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 97 transitions. [2024-11-08 22:42:52,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 22:42:52,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:52,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:42:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:52,529 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:42:53,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:53,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 58 states and 104 transitions. [2024-11-08 22:42:53,777 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 104 transitions. [2024-11-08 22:42:53,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 22:42:53,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:53,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:42:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:54,133 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:42:57,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:57,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 65 states and 125 transitions. [2024-11-08 22:42:57,019 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 125 transitions. [2024-11-08 22:42:57,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 22:42:57,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:57,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:42:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:57,237 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:42:57,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:57,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 67 states and 134 transitions. [2024-11-08 22:42:57,522 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 134 transitions. [2024-11-08 22:42:57,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 22:42:57,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:57,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:42:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:57,786 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:42:58,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:58,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 70 states and 145 transitions. [2024-11-08 22:42:58,962 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 145 transitions. [2024-11-08 22:42:58,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 22:42:58,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:58,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:42:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:42:59,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:59,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:42:59,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:59,204 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-08 22:42:59,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:59,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 72 states and 147 transitions. [2024-11-08 22:42:59,894 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 147 transitions. [2024-11-08 22:42:59,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 22:42:59,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:59,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:42:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:43:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:00,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:43:00,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:00,112 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-08 22:43:01,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:01,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 75 states and 153 transitions. [2024-11-08 22:43:01,223 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 153 transitions. [2024-11-08 22:43:01,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 22:43:01,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:01,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:43:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:01,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 22:43:01,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:03,165 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:43:15,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:15,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 88 states and 205 transitions. [2024-11-08 22:43:15,162 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 205 transitions. [2024-11-08 22:43:15,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 22:43:15,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:15,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:43:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:15,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 22:43:15,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:16,736 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:43:25,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:25,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 97 states and 231 transitions. [2024-11-08 22:43:25,988 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 231 transitions. [2024-11-08 22:43:25,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 22:43:25,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:25,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:43:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:26,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:43:26,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:26,769 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:43:32,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:32,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 105 states and 265 transitions. [2024-11-08 22:43:32,390 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 265 transitions. [2024-11-08 22:43:32,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 22:43:32,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:32,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:32,479 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:43:33,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:33,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 107 states and 271 transitions. [2024-11-08 22:43:33,925 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 271 transitions. [2024-11-08 22:43:33,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 22:43:33,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:33,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:33,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:43:34,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:34,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 22:43:34,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:34,388 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:43:39,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:39,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 114 states and 291 transitions. [2024-11-08 22:43:39,930 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 291 transitions. [2024-11-08 22:43:39,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 22:43:39,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:39,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:40,232 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:43:40,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:40,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 116 states and 307 transitions. [2024-11-08 22:43:40,925 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 307 transitions. [2024-11-08 22:43:40,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 22:43:40,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:40,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:41,405 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:43:43,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:43,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 119 states and 326 transitions. [2024-11-08 22:43:43,123 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 326 transitions. [2024-11-08 22:43:43,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 22:43:43,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:43,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:43:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:43,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:43:43,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:43,256 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:43:44,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:44,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 121 states and 328 transitions. [2024-11-08 22:43:44,283 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 328 transitions. [2024-11-08 22:43:44,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 22:43:44,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:44,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:43:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:44,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 22:43:44,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:45,755 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-08 22:43:53,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:53,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 132 states and 371 transitions. [2024-11-08 22:43:53,404 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 371 transitions. [2024-11-08 22:43:53,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:43:53,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:53,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:53,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:43:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:53,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 22:43:53,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:18,361 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:45:56,540 WARN L286 SmtUtils]: Spent 10.10s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:46:06,574 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:46:16,641 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:46:26,723 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:47:15,105 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:49:26,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:50:25,754 WARN L286 SmtUtils]: Spent 51.02s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:50:37,945 WARN L286 SmtUtils]: Spent 11.83s on a formula simplification. DAG size of input: 43 DAG size of output: 43 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:51:03,380 WARN L286 SmtUtils]: Spent 5.26s on a formula simplification. DAG size of input: 45 DAG size of output: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:51:17,144 WARN L286 SmtUtils]: Spent 9.67s on a formula simplification that was a NOOP. DAG size: 44 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:51:34,671 WARN L286 SmtUtils]: Spent 10.09s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:53:07,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:07,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 139 states and 405 transitions. [2024-11-08 22:53:07,297 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 405 transitions. [2024-11-08 22:53:07,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:53:07,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:07,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:53:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:53:07,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:07,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 22:53:07,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:29,401 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:54:47,775 WARN L286 SmtUtils]: Spent 10.09s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:54:57,792 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:56:39,656 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:56:55,453 WARN L286 SmtUtils]: Spent 8.64s on a formula simplification. DAG size of input: 36 DAG size of output: 32 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)