./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/prodbin-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d760d4f1-ff27-4e7e-9dac-ce0b700e3f83/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d760d4f1-ff27-4e7e-9dac-ce0b700e3f83/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d760d4f1-ff27-4e7e-9dac-ce0b700e3f83/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d760d4f1-ff27-4e7e-9dac-ce0b700e3f83/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/prodbin-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d760d4f1-ff27-4e7e-9dac-ce0b700e3f83/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d760d4f1-ff27-4e7e-9dac-ce0b700e3f83/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77bbfba272f7904e5efe099569a5ed86d54de3fd07a8ce9d48301467c5048e30 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:29:31,498 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:29:31,555 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d760d4f1-ff27-4e7e-9dac-ce0b700e3f83/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:29:31,559 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:29:31,560 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:29:31,580 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:29:31,580 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:29:31,581 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:29:31,581 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:29:31,581 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:29:31,581 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:29:31,581 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:29:31,581 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:29:31,581 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:29:31,582 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:29:31,582 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:29:31,582 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:29:31,582 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:29:31,582 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:29:31,582 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:29:31,582 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:29:31,582 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:29:31,582 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:29:31,582 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:29:31,582 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:29:31,582 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:29:31,583 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:29:31,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:29:31,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:29:31,583 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:29:31,583 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:29:31,583 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:29:31,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:29:31,583 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d760d4f1-ff27-4e7e-9dac-ce0b700e3f83/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77bbfba272f7904e5efe099569a5ed86d54de3fd07a8ce9d48301467c5048e30 [2024-12-06 03:29:31,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:29:31,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:29:31,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:29:31,845 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:29:31,845 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:29:31,846 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d760d4f1-ff27-4e7e-9dac-ce0b700e3f83/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench/prodbin-ll.c [2024-12-06 03:29:34,477 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d760d4f1-ff27-4e7e-9dac-ce0b700e3f83/bin/ukojak-verify-CZk0znPC7b/data/bffddf37b/792a0c40ca6c47bbabf9c2fd4a7da9f1/FLAG7493cb7b9 [2024-12-06 03:29:34,689 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:29:34,689 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d760d4f1-ff27-4e7e-9dac-ce0b700e3f83/sv-benchmarks/c/nla-digbench/prodbin-ll.c [2024-12-06 03:29:34,697 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d760d4f1-ff27-4e7e-9dac-ce0b700e3f83/bin/ukojak-verify-CZk0znPC7b/data/bffddf37b/792a0c40ca6c47bbabf9c2fd4a7da9f1/FLAG7493cb7b9 [2024-12-06 03:29:35,061 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d760d4f1-ff27-4e7e-9dac-ce0b700e3f83/bin/ukojak-verify-CZk0znPC7b/data/bffddf37b/792a0c40ca6c47bbabf9c2fd4a7da9f1 [2024-12-06 03:29:35,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:29:35,063 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:29:35,064 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:29:35,064 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:29:35,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:29:35,068 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:29:35" (1/1) ... [2024-12-06 03:29:35,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af42587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:35, skipping insertion in model container [2024-12-06 03:29:35,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:29:35" (1/1) ... [2024-12-06 03:29:35,077 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:29:35,182 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_d760d4f1-ff27-4e7e-9dac-ce0b700e3f83/sv-benchmarks/c/nla-digbench/prodbin-ll.c[537,550] [2024-12-06 03:29:35,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:29:35,200 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:29:35,208 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_d760d4f1-ff27-4e7e-9dac-ce0b700e3f83/sv-benchmarks/c/nla-digbench/prodbin-ll.c[537,550] [2024-12-06 03:29:35,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:29:35,222 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:29:35,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:35 WrapperNode [2024-12-06 03:29:35,223 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:29:35,224 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:29:35,224 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:29:35,224 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:29:35,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:35" (1/1) ... [2024-12-06 03:29:35,233 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:35" (1/1) ... [2024-12-06 03:29:35,243 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2024-12-06 03:29:35,244 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:29:35,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:29:35,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:29:35,244 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:29:35,249 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:35" (1/1) ... [2024-12-06 03:29:35,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:35" (1/1) ... [2024-12-06 03:29:35,250 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:35" (1/1) ... [2024-12-06 03:29:35,250 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:35" (1/1) ... [2024-12-06 03:29:35,252 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:35" (1/1) ... [2024-12-06 03:29:35,253 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:35" (1/1) ... [2024-12-06 03:29:35,255 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:35" (1/1) ... [2024-12-06 03:29:35,256 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:35" (1/1) ... [2024-12-06 03:29:35,257 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:35" (1/1) ... [2024-12-06 03:29:35,258 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:29:35,259 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:29:35,259 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:29:35,259 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:29:35,260 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:29:35" (1/1) ... [2024-12-06 03:29:35,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:29:35,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d760d4f1-ff27-4e7e-9dac-ce0b700e3f83/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:29:35,290 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d760d4f1-ff27-4e7e-9dac-ce0b700e3f83/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:29:35,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d760d4f1-ff27-4e7e-9dac-ce0b700e3f83/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:29:35,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:29:35,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:29:35,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:29:35,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:29:35,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 03:29:35,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 03:29:35,365 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:29:35,367 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:29:35,475 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 03:29:35,475 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:29:35,533 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:29:35,533 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 03:29:35,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:29:35 BoogieIcfgContainer [2024-12-06 03:29:35,534 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:29:35,534 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:29:35,535 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:29:35,545 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:29:35,545 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:29:35" (1/1) ... [2024-12-06 03:29:35,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:29:35,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:29:35,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-12-06 03:29:35,604 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-12-06 03:29:35,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:29:35,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:29:35,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:29:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:29:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:29:35,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:29:35,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:29:35,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:29:35,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:29:35,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-12-06 03:29:35,917 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-12-06 03:29:35,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 03:29:35,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:29:35,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:29:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:29:36,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:29:36,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:29:36,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2024-12-06 03:29:36,059 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2024-12-06 03:29:36,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 03:29:36,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:29:36,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:29:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:29:36,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:29:36,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 03:29:36,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:29:36,560 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:29:37,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:29:37,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 20 states and 33 transitions. [2024-12-06 03:29:37,104 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 33 transitions. [2024-12-06 03:29:37,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 03:29:37,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:29:37,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:29:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:29:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:29:37,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:29:37,162 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:29:37,336 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:29:37,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:29:37,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 22 states and 36 transitions. [2024-12-06 03:29:37,739 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 36 transitions. [2024-12-06 03:29:37,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 03:29:37,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:29:37,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:29:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:29:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:29:37,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 03:29:37,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:29:39,465 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 03:29:43,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:29:43,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 24 states and 42 transitions. [2024-12-06 03:29:43,118 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 42 transitions. [2024-12-06 03:29:43,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 03:29:43,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:29:43,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:29:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:29:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:29:43,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-06 03:29:43,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:29:43,953 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 03:29:44,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:29:44,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 25 states and 43 transitions. [2024-12-06 03:29:44,419 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 43 transitions. [2024-12-06 03:29:44,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 03:29:44,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:29:44,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:29:44,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:29:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:29:44,494 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 03:29:44,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:29:46,590 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 03:29:50,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:29:50,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 27 states and 50 transitions. [2024-12-06 03:29:50,474 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 50 transitions. [2024-12-06 03:29:50,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 03:29:50,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:29:50,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:29:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:29:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:29:50,564 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-06 03:29:50,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:29:56,850 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 03:29:59,372 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 [] [2024-12-06 03:30:02,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:30:02,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2024-12-06 03:30:02,944 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2024-12-06 03:30:02,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 03:30:02,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:30:02,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:30:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:30:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:30:03,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-06 03:30:03,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:30:04,524 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 03:30:10,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:30:10,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 30 states and 61 transitions. [2024-12-06 03:30:10,646 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 61 transitions. [2024-12-06 03:30:10,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 03:30:10,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:30:10,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:30:10,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:30:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:30:10,768 WARN L254 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-12-06 03:30:10,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:30:41,865 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 03:31:04,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:31:04,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 32 states and 68 transitions. [2024-12-06 03:31:04,765 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 68 transitions. [2024-12-06 03:31:04,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 03:31:04,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:31:04,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:31:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:31:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:31:05,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-06 03:31:05,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:31:06,883 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 26 proven. 27 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-06 03:31:13,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:31:13,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 34 states and 75 transitions. [2024-12-06 03:31:13,489 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 75 transitions. [2024-12-06 03:31:13,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 03:31:13,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:31:13,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:31:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:31:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:31:13,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-12-06 03:31:13,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:31:15,308 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 25 proven. 28 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-06 03:31:20,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:31:20,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 36 states and 78 transitions. [2024-12-06 03:31:20,163 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 78 transitions. [2024-12-06 03:31:20,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 03:31:20,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:31:20,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:31:20,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:31:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:31:20,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-12-06 03:31:20,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:31:23,019 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 36 proven. 39 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-06 03:31:29,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:31:29,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 38 states and 84 transitions. [2024-12-06 03:31:29,936 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 84 transitions. [2024-12-06 03:31:29,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 03:31:29,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:31:29,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:31:29,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:31:30,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:31:30,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-12-06 03:31:30,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:31:31,547 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 34 proven. 38 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-06 03:31:34,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:31:34,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 39 states and 86 transitions. [2024-12-06 03:31:34,148 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 86 transitions. [2024-12-06 03:31:34,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 03:31:34,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:31:34,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:31:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:31:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:31:34,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-12-06 03:31:34,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:31:39,132 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 39 proven. 54 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-12-06 03:31:57,725 WARN L286 SmtUtils]: Spent 11.94s on a formula simplification that was a NOOP. DAG size: 154 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:32:00,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:32:00,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 41 states and 93 transitions. [2024-12-06 03:32:00,217 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 93 transitions. [2024-12-06 03:32:00,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 03:32:00,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:32:00,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:32:00,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:32:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:32:00,437 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-12-06 03:32:00,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:32:03,634 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 42 proven. 51 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-12-06 03:32:05,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:32:05,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 42 states and 94 transitions. [2024-12-06 03:32:05,578 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 94 transitions. [2024-12-06 03:32:05,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 03:32:05,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:32:05,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:32:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:32:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:32:05,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-12-06 03:32:05,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:32:15,970 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 50 proven. 66 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-12-06 03:33:34,825 WARN L286 SmtUtils]: Spent 1.01m on a formula simplification. DAG size of input: 191 DAG size of output: 154 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:33:51,521 WARN L286 SmtUtils]: Spent 7.66s on a formula simplification that was a NOOP. DAG size: 155 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:34:03,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:34:03,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 44 states and 104 transitions. [2024-12-06 03:34:03,182 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 104 transitions. [2024-12-06 03:34:03,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 03:34:03,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:34:03,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:34:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:34:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:34:03,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 03:34:03,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:34:14,896 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 36 proven. 65 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-12-06 03:34:46,386 WARN L286 SmtUtils]: Spent 24.12s on a formula simplification. DAG size of input: 169 DAG size of output: 123 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:35:03,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 03:35:04,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:35:04,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 45 states and 116 transitions. [2024-12-06 03:35:04,487 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 116 transitions. [2024-12-06 03:35:04,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-12-06 03:35:04,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:35:04,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:35:04,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:35:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:35:05,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-12-06 03:35:05,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:35:17,019 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 41 proven. 82 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-06 03:36:34,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:36:34,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 48 states and 127 transitions. [2024-12-06 03:36:34,064 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 127 transitions. [2024-12-06 03:36:34,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-12-06 03:36:34,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:36:34,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:36:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:36:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:36:34,486 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-12-06 03:36:34,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:37:29,900 WARN L286 SmtUtils]: Spent 30.63s on a formula simplification. DAG size of input: 50 DAG size of output: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:38:48,060 WARN L286 SmtUtils]: Spent 1.10m on a formula simplification. DAG size of input: 67 DAG size of output: 61 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:43:14,038 WARN L286 SmtUtils]: Spent 3.49m on a formula simplification. DAG size of input: 120 DAG size of output: 90 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)