./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_7274f9b5-3066-486d-8f2e-ca18ca64b395/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7274f9b5-3066-486d-8f2e-ca18ca64b395/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_7274f9b5-3066-486d-8f2e-ca18ca64b395/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7274f9b5-3066-486d-8f2e-ca18ca64b395/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7274f9b5-3066-486d-8f2e-ca18ca64b395/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_7274f9b5-3066-486d-8f2e-ca18ca64b395/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 04018145d5ace4c3357fe1e5023a2cdd8af65b0f762a2636eda0df151f06b137 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:22:31,324 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:22:31,423 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7274f9b5-3066-486d-8f2e-ca18ca64b395/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:22:31,431 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:22:31,433 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:22:31,466 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:22:31,467 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:22:31,468 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:22:31,469 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:22:31,471 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:22:31,471 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:22:31,472 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:22:31,472 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:22:31,473 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:22:31,475 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:22:31,476 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:22:31,476 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:22:31,477 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:22:31,477 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:22:31,477 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:22:31,478 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:22:31,482 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:22:31,482 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:22:31,482 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:22:31,483 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:22:31,483 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:22:31,484 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:22:31,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:22:31,484 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:22:31,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:22:31,485 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:22:31,487 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:22:31,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:22:31,489 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_7274f9b5-3066-486d-8f2e-ca18ca64b395/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7274f9b5-3066-486d-8f2e-ca18ca64b395/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04018145d5ace4c3357fe1e5023a2cdd8af65b0f762a2636eda0df151f06b137 [2024-11-09 00:22:31,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:22:31,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:22:31,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:22:31,826 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:22:31,827 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:22:31,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7274f9b5-3066-486d-8f2e-ca18ca64b395/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound100.c Unable to find full path for "g++" [2024-11-09 00:22:33,857 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:22:34,032 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:22:34,033 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7274f9b5-3066-486d-8f2e-ca18ca64b395/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound100.c [2024-11-09 00:22:34,040 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7274f9b5-3066-486d-8f2e-ca18ca64b395/bin/ukojak-verify-ImItNfHLgk/data/db8f9dfb2/50c26cd2f1024e16843f96528de630c4/FLAGa9e2dc94d [2024-11-09 00:22:34,052 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7274f9b5-3066-486d-8f2e-ca18ca64b395/bin/ukojak-verify-ImItNfHLgk/data/db8f9dfb2/50c26cd2f1024e16843f96528de630c4 [2024-11-09 00:22:34,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:22:34,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:22:34,058 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:22:34,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:22:34,066 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:22:34,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:22:34" (1/1) ... [2024-11-09 00:22:34,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51ab2555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:34, skipping insertion in model container [2024-11-09 00:22:34,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:22:34" (1/1) ... [2024-11-09 00:22:34,092 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:22:34,282 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_7274f9b5-3066-486d-8f2e-ca18ca64b395/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound100.c[524,537] [2024-11-09 00:22:34,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:22:34,317 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:22:34,331 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_7274f9b5-3066-486d-8f2e-ca18ca64b395/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound100.c[524,537] [2024-11-09 00:22:34,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:22:34,358 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:22:34,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:34 WrapperNode [2024-11-09 00:22:34,358 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:22:34,359 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:22:34,359 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:22:34,359 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:22:34,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:34" (1/1) ... [2024-11-09 00:22:34,374 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:34" (1/1) ... [2024-11-09 00:22:34,395 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2024-11-09 00:22:34,396 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:22:34,396 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:22:34,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:22:34,397 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:22:34,407 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:34" (1/1) ... [2024-11-09 00:22:34,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:34" (1/1) ... [2024-11-09 00:22:34,410 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:34" (1/1) ... [2024-11-09 00:22:34,411 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:34" (1/1) ... [2024-11-09 00:22:34,417 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:34" (1/1) ... [2024-11-09 00:22:34,421 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:34" (1/1) ... [2024-11-09 00:22:34,422 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:34" (1/1) ... [2024-11-09 00:22:34,423 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:34" (1/1) ... [2024-11-09 00:22:34,425 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:22:34,426 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:22:34,426 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:22:34,426 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:22:34,427 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:34" (1/1) ... [2024-11-09 00:22:34,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:22:34,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7274f9b5-3066-486d-8f2e-ca18ca64b395/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:22:34,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7274f9b5-3066-486d-8f2e-ca18ca64b395/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:22:34,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7274f9b5-3066-486d-8f2e-ca18ca64b395/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:22:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:22:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:22:34,493 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:22:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:22:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:22:34,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:22:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:22:34,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:22:34,551 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:22:34,553 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:22:34,689 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-09 00:22:34,690 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:22:34,756 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:22:34,757 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:22:34,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:22:34 BoogieIcfgContainer [2024-11-09 00:22:34,761 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:22:34,761 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:22:34,761 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:22:34,773 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:22:34,774 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:22:34" (1/1) ... [2024-11-09 00:22:34,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:22:34,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:34,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-11-09 00:22:34,842 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-11-09 00:22:34,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:22:34,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:34,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:22:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:22:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:35,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 00:22:35,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:35,603 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 00:22:36,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:22:38,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:22:38,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:38,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2024-11-09 00:22:38,789 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2024-11-09 00:22:38,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:22:38,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:38,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:22:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:22:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:38,846 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:22:38,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:39,094 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 00:22:39,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:39,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2024-11-09 00:22:39,291 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2024-11-09 00:22:39,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:22:39,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:39,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:22:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:22:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:39,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:22:39,374 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:39,792 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 00:22:39,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:39,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2024-11-09 00:22:39,815 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2024-11-09 00:22:39,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:22:39,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:39,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:22:39,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:22:39,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:39,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 00:22:39,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:42,151 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:22:51,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:22:51,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:51,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-11-09 00:22:51,953 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-11-09 00:22:51,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 00:22:51,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:51,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:22:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:54,363 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:22:59,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:22:59,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:59,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 30 states and 41 transitions. [2024-11-09 00:22:59,780 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2024-11-09 00:22:59,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 00:22:59,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:59,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:22:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:22:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:59,846 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 00:22:59,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:12,916 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 00:23:21,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:23:24,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:23:27,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.97s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:23:47,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.48s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:23:48,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:23:51,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:23:51,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:51,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-11-09 00:23:51,280 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-09 00:23:51,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 00:23:51,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:51,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:23:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:23:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:51,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 00:23:51,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:58,565 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 00:23:58,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:58,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-11-09 00:23:58,613 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-09 00:23:58,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 00:23:58,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:58,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:23:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:23:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:58,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 00:23:58,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:36,640 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 00:25:12,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:12,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-11-09 00:25:12,356 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-09 00:25:12,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 00:25:12,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:12,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:25:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:12,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 00:25:12,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:14,891 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 00:25:50,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:50,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-11-09 00:25:50,853 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-09 00:25:50,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 00:25:50,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:50,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:25:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:50,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 00:25:50,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:04,573 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 00:26:04,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:04,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-11-09 00:26:04,603 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-09 00:26:04,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 00:26:04,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:04,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:04,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:26:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:04,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 00:26:04,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:24,860 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 00:26:24,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:24,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-11-09 00:26:24,890 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-09 00:26:24,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 00:26:24,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:24,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:26:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:24,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 00:26:24,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:31,316 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 00:26:31,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:31,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-11-09 00:26:31,354 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-09 00:26:31,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 00:26:31,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:31,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:26:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:31,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 00:26:31,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:51,411 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 00:27:03,849 WARN L286 SmtUtils]: Spent 8.69s on a formula simplification. DAG size of input: 39 DAG size of output: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:27:14,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.12s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:28:40,778 WARN L286 SmtUtils]: Spent 16.06s on a formula simplification. DAG size of input: 55 DAG size of output: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:29:21,908 WARN L286 SmtUtils]: Spent 11.98s on a formula simplification. DAG size of input: 56 DAG size of output: 35 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:29:41,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:29:41,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:41,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2024-11-09 00:29:41,902 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2024-11-09 00:29:41,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 00:29:41,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:41,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:29:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:29:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:41,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:29:41,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:57,790 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:30:12,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:30:21,984 WARN L286 SmtUtils]: Spent 6.05s on a formula simplification. DAG size of input: 45 DAG size of output: 26 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:31:01,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.59s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:31:15,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:31:17,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:31:18,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:31:18,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:18,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 43 states and 72 transitions. [2024-11-09 00:31:18,751 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 72 transitions. [2024-11-09 00:31:18,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 00:31:18,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:18,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:31:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:31:18,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:18,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 00:31:18,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:31,551 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:33:35,074 WARN L286 SmtUtils]: Spent 5.79s on a formula simplification. DAG size of input: 71 DAG size of output: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:33:59,949 WARN L286 SmtUtils]: Spent 6.27s on a formula simplification. DAG size of input: 72 DAG size of output: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:34:29,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:34:32,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.87s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:34:33,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:34:33,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:33,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 75 transitions. [2024-11-09 00:34:33,901 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 75 transitions. [2024-11-09 00:34:33,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 00:34:33,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:33,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:34:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:34:33,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:33,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 00:34:33,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:08,771 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:35:13,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:13,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 75 transitions. [2024-11-09 00:35:13,386 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 75 transitions. [2024-11-09 00:35:13,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 00:35:13,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:13,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:35:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:35:13,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:13,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 00:35:13,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:03,231 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:37:48,411 WARN L286 SmtUtils]: Spent 11.54s on a formula simplification that was a NOOP. DAG size: 61 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:37:48,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:48,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 75 transitions. [2024-11-09 00:37:48,415 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 75 transitions. [2024-11-09 00:37:48,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 00:37:48,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:48,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:37:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:37:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:48,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 00:37:48,483 INFO L278 TraceCheckSpWp]: Computing forward predicates...