./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/dijkstra-u.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_37c6ffec-87d1-4230-a0c3-5bab7946350b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c6ffec-87d1-4230-a0c3-5bab7946350b/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_37c6ffec-87d1-4230-a0c3-5bab7946350b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c6ffec-87d1-4230-a0c3-5bab7946350b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/dijkstra-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c6ffec-87d1-4230-a0c3-5bab7946350b/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_37c6ffec-87d1-4230-a0c3-5bab7946350b/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 b586a178399b4c0df2fdcb66faa06566663e0a18b90a5f0ce0551810014ff769 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:55:41,572 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:55:41,631 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c6ffec-87d1-4230-a0c3-5bab7946350b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:55:41,635 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:55:41,636 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:55:41,656 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:55:41,657 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:55:41,657 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:55:41,658 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:55:41,658 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:55:41,658 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:55:41,658 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:55:41,658 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:55:41,658 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:55:41,658 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:55:41,658 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:55:41,659 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:55:41,659 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:55:41,659 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:55:41,659 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:55:41,659 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:55:41,659 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:55:41,659 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:55:41,659 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:55:41,659 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:55:41,659 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:55:41,659 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:55:41,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:55:41,660 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:55:41,660 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:55:41,660 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:55:41,660 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:55:41,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:55:41,660 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_37c6ffec-87d1-4230-a0c3-5bab7946350b/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 -> b586a178399b4c0df2fdcb66faa06566663e0a18b90a5f0ce0551810014ff769 [2024-12-06 03:55:41,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:55:41,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:55:41,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:55:41,926 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:55:41,926 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:55:41,928 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c6ffec-87d1-4230-a0c3-5bab7946350b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench/dijkstra-u.c [2024-12-06 03:55:44,642 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c6ffec-87d1-4230-a0c3-5bab7946350b/bin/ukojak-verify-CZk0znPC7b/data/10424e899/cc44fa68fbef403fa5830539dce63886/FLAG8ca1dee39 [2024-12-06 03:55:44,828 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:55:44,829 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c6ffec-87d1-4230-a0c3-5bab7946350b/sv-benchmarks/c/nla-digbench/dijkstra-u.c [2024-12-06 03:55:44,836 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c6ffec-87d1-4230-a0c3-5bab7946350b/bin/ukojak-verify-CZk0znPC7b/data/10424e899/cc44fa68fbef403fa5830539dce63886/FLAG8ca1dee39 [2024-12-06 03:55:44,853 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c6ffec-87d1-4230-a0c3-5bab7946350b/bin/ukojak-verify-CZk0znPC7b/data/10424e899/cc44fa68fbef403fa5830539dce63886 [2024-12-06 03:55:44,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:55:44,857 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:55:44,859 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:55:44,859 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:55:44,864 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:55:44,865 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:55:44" (1/1) ... [2024-12-06 03:55:44,866 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e7b0e09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:44, skipping insertion in model container [2024-12-06 03:55:44,866 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:55:44" (1/1) ... [2024-12-06 03:55:44,881 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:55:45,020 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_37c6ffec-87d1-4230-a0c3-5bab7946350b/sv-benchmarks/c/nla-digbench/dijkstra-u.c[525,538] [2024-12-06 03:55:45,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:55:45,057 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:55:45,066 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_37c6ffec-87d1-4230-a0c3-5bab7946350b/sv-benchmarks/c/nla-digbench/dijkstra-u.c[525,538] [2024-12-06 03:55:45,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:55:45,092 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:55:45,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:45 WrapperNode [2024-12-06 03:55:45,093 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:55:45,093 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:55:45,093 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:55:45,093 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:55:45,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:45" (1/1) ... [2024-12-06 03:55:45,103 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:45" (1/1) ... [2024-12-06 03:55:45,120 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2024-12-06 03:55:45,120 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:55:45,121 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:55:45,121 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:55:45,121 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:55:45,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:45" (1/1) ... [2024-12-06 03:55:45,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:45" (1/1) ... [2024-12-06 03:55:45,128 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:45" (1/1) ... [2024-12-06 03:55:45,129 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:45" (1/1) ... [2024-12-06 03:55:45,132 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:45" (1/1) ... [2024-12-06 03:55:45,133 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:45" (1/1) ... [2024-12-06 03:55:45,137 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:45" (1/1) ... [2024-12-06 03:55:45,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:45" (1/1) ... [2024-12-06 03:55:45,138 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:45" (1/1) ... [2024-12-06 03:55:45,140 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:55:45,141 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:55:45,141 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:55:45,141 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:55:45,142 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:45" (1/1) ... [2024-12-06 03:55:45,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:55:45,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c6ffec-87d1-4230-a0c3-5bab7946350b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:55:45,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c6ffec-87d1-4230-a0c3-5bab7946350b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:55:45,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c6ffec-87d1-4230-a0c3-5bab7946350b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:55:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:55:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:55:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:55:45,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:55:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 03:55:45,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 03:55:45,250 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:55:45,252 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:55:45,435 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 03:55:45,436 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:55:45,479 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:55:45,480 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 03:55:45,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:55:45 BoogieIcfgContainer [2024-12-06 03:55:45,480 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:55:45,481 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:55:45,481 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:55:45,491 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:55:45,491 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:55:45" (1/1) ... [2024-12-06 03:55:45,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:55:45,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:45,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2024-12-06 03:55:45,549 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2024-12-06 03:55:45,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 03:55:45,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:45,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:55:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:46,082 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 03:55:46,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:46,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 24 states and 46 transitions. [2024-12-06 03:55:46,320 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 46 transitions. [2024-12-06 03:55:46,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:55:46,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:46,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:55:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:46,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 03:55:46,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:46,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 25 states and 47 transitions. [2024-12-06 03:55:46,793 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 47 transitions. [2024-12-06 03:55:46,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 03:55:46,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:46,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:55:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:55:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:46,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:55:46,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:55:46,999 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 03:55:47,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:47,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 28 states and 54 transitions. [2024-12-06 03:55:47,346 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 54 transitions. [2024-12-06 03:55:47,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 03:55:47,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:47,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:55:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:55:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:47,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 03:55:47,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:55:47,521 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:55:48,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:48,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 31 states and 62 transitions. [2024-12-06 03:55:48,094 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 62 transitions. [2024-12-06 03:55:48,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 03:55:48,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:48,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:55:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:55:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:48,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:55:48,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:55:48,206 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:55:48,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:48,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 34 states and 70 transitions. [2024-12-06 03:55:48,771 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 70 transitions. [2024-12-06 03:55:48,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 03:55:48,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:48,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:55:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:55:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:48,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 03:55:48,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:55:49,095 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:55:50,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:50,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 37 states and 75 transitions. [2024-12-06 03:55:50,151 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 75 transitions. [2024-12-06 03:55:50,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 03:55:50,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:50,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:55:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:55:50,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:50,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 03:55:50,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:55:50,268 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 03:55:50,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:50,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 40 states and 85 transitions. [2024-12-06 03:55:50,867 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 85 transitions. [2024-12-06 03:55:50,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 03:55:50,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:50,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:55:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:55:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:50,961 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 03:55:50,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:55:51,146 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:55:52,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:52,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 43 states and 93 transitions. [2024-12-06 03:55:52,602 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 93 transitions. [2024-12-06 03:55:52,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 03:55:52,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:52,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:55:52,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:55:52,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:52,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 03:55:52,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:55:53,071 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:55:53,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:53,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 45 states and 96 transitions. [2024-12-06 03:55:53,584 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 96 transitions. [2024-12-06 03:55:53,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 03:55:53,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:53,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:55:53,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:55:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:53,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:55:53,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:55:54,026 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:55:55,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:55,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 47 states and 103 transitions. [2024-12-06 03:55:55,898 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 103 transitions. [2024-12-06 03:55:55,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 03:55:55,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:55,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:55:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:55:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:55,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 03:55:55,938 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:55:55,968 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-06 03:55:56,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:56,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 49 states and 106 transitions. [2024-12-06 03:55:56,398 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 106 transitions. [2024-12-06 03:55:56,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 03:55:56,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:56,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:55:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:55:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:56,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 03:55:56,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:55:56,605 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:55:57,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:57,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 49 states and 105 transitions. [2024-12-06 03:55:57,195 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 105 transitions. [2024-12-06 03:55:57,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 03:55:57,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:57,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:55:57,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:55:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:57,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 03:55:57,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:55:57,281 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-06 03:55:57,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:57,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 51 states and 108 transitions. [2024-12-06 03:55:57,690 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 108 transitions. [2024-12-06 03:55:57,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 03:55:57,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:57,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:55:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:55:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:57,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 03:55:57,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:56:21,799 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 03:56:33,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:56:33,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 53 states and 114 transitions. [2024-12-06 03:56:33,418 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 114 transitions. [2024-12-06 03:56:33,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 03:56:33,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:56:33,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:56:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:56:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:56:33,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 03:56:33,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:56:33,520 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-12-06 03:56:34,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:56:34,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 55 states and 117 transitions. [2024-12-06 03:56:34,187 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 117 transitions. [2024-12-06 03:56:34,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 03:56:34,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:56:34,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:56:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:56:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:56:34,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:56:34,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:56:34,488 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 03:56:45,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 03:56:46,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:56:46,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 57 states and 123 transitions. [2024-12-06 03:56:46,007 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 123 transitions. [2024-12-06 03:56:46,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 03:56:46,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:56:46,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:56:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:56:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:56:46,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 03:56:46,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:56:46,126 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-06 03:56:48,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:56:48,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 59 states and 127 transitions. [2024-12-06 03:56:48,167 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 127 transitions. [2024-12-06 03:56:48,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 03:56:48,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:56:48,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:56:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:56:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:56:48,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 03:56:48,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:56:48,266 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-06 03:56:49,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:56:49,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 59 states and 126 transitions. [2024-12-06 03:56:49,168 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 126 transitions. [2024-12-06 03:56:49,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 03:56:49,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:56:49,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:56:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:56:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:56:49,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 03:56:49,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:56:49,259 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 03:58:38,629 WARN L286 SmtUtils]: Spent 1.21m on a formula simplification. DAG size of input: 20 DAG size of output: 19 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:59:29,790 WARN L286 SmtUtils]: Spent 22.00s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:59:39,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 03:59:40,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:59:40,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 61 states and 132 transitions. [2024-12-06 03:59:40,021 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 132 transitions. [2024-12-06 03:59:40,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 03:59:40,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:59:40,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:59:40,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:59:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:59:40,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 03:59:40,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:59:40,154 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-06 03:59:40,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:59:40,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 62 states and 133 transitions. [2024-12-06 03:59:40,857 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 133 transitions. [2024-12-06 03:59:40,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 03:59:40,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:59:40,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:59:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:59:51,942 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 04:00:03,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:00:14,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:00:15,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:00:15,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 64 states and 137 transitions. [2024-12-06 04:00:15,612 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 137 transitions. [2024-12-06 04:00:15,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 04:00:15,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:00:15,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:00:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:00:26,661 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-06 04:01:12,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:01:23,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:01:25,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:02:16,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:02:27,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:02:27,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:02:27,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 67 states and 145 transitions. [2024-12-06 04:02:27,250 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 145 transitions. [2024-12-06 04:02:27,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 04:02:27,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:02:27,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:02:27,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:02:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:02:27,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:02:27,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:02:27,351 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-12-06 04:03:32,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:03:32,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 70 states and 151 transitions. [2024-12-06 04:03:32,277 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 151 transitions. [2024-12-06 04:03:32,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 04:03:32,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:03:32,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:03:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:03:36,544 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-06 04:03:59,458 WARN L286 SmtUtils]: Spent 5.11s on a formula simplification. DAG size of input: 42 DAG size of output: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 04:04:10,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:04:22,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:04:51,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.88s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:05:47,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:06:19,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:06:19,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 76 states and 164 transitions. [2024-12-06 04:06:19,245 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 164 transitions. [2024-12-06 04:06:19,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 04:06:19,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:06:19,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:06:19,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:06:41,809 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-06 04:09:22,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:09:36,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:09:54,467 WARN L286 SmtUtils]: Spent 11.71s on a formula simplification. DAG size of input: 69 DAG size of output: 54 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 04:10:57,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []