./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound20.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_8337163b-ce4f-4f3e-b377-6699fa6c4c99/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337163b-ce4f-4f3e-b377-6699fa6c4c99/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_8337163b-ce4f-4f3e-b377-6699fa6c4c99/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337163b-ce4f-4f3e-b377-6699fa6c4c99/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337163b-ce4f-4f3e-b377-6699fa6c4c99/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_8337163b-ce4f-4f3e-b377-6699fa6c4c99/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 be4e75b70a907f4bb3fe11ead30460ebebe535afde280ea19731f48bb2dd2cd7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:31:55,575 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:31:55,638 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337163b-ce4f-4f3e-b377-6699fa6c4c99/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:31:55,643 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:31:55,643 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:31:55,664 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:31:55,665 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:31:55,665 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:31:55,666 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:31:55,666 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:31:55,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:31:55,666 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:31:55,666 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:31:55,666 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:31:55,667 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:31:55,667 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:31:55,667 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:31:55,667 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:31:55,667 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:31:55,667 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:31:55,667 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:31:55,667 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:31:55,667 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:31:55,667 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:31:55,668 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:31:55,668 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:31:55,668 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:31:55,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:31:55,668 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:31:55,668 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:31:55,668 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:31:55,668 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:31:55,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:31:55,668 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_8337163b-ce4f-4f3e-b377-6699fa6c4c99/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 -> be4e75b70a907f4bb3fe11ead30460ebebe535afde280ea19731f48bb2dd2cd7 [2024-12-06 01:31:55,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:31:55,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:31:55,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:31:55,942 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:31:55,943 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:31:55,944 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337163b-ce4f-4f3e-b377-6699fa6c4c99/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound20.c [2024-12-06 01:31:58,594 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337163b-ce4f-4f3e-b377-6699fa6c4c99/bin/ukojak-verify-CZk0znPC7b/data/d7155463a/ec60869238f640bd935e3cf3736a97b2/FLAG17e0cbd34 [2024-12-06 01:31:58,807 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:31:58,808 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337163b-ce4f-4f3e-b377-6699fa6c4c99/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound20.c [2024-12-06 01:31:58,814 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337163b-ce4f-4f3e-b377-6699fa6c4c99/bin/ukojak-verify-CZk0znPC7b/data/d7155463a/ec60869238f640bd935e3cf3736a97b2/FLAG17e0cbd34 [2024-12-06 01:31:59,162 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337163b-ce4f-4f3e-b377-6699fa6c4c99/bin/ukojak-verify-CZk0znPC7b/data/d7155463a/ec60869238f640bd935e3cf3736a97b2 [2024-12-06 01:31:59,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:31:59,165 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:31:59,166 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:31:59,166 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:31:59,170 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:31:59,171 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:31:59" (1/1) ... [2024-12-06 01:31:59,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75ff1008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:59, skipping insertion in model container [2024-12-06 01:31:59,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:31:59" (1/1) ... [2024-12-06 01:31:59,186 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:31:59,313 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_8337163b-ce4f-4f3e-b377-6699fa6c4c99/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound20.c[1176,1189] [2024-12-06 01:31:59,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:31:59,339 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:31:59,349 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_8337163b-ce4f-4f3e-b377-6699fa6c4c99/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound20.c[1176,1189] [2024-12-06 01:31:59,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:31:59,366 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:31:59,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:59 WrapperNode [2024-12-06 01:31:59,367 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:31:59,367 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:31:59,367 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:31:59,368 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:31:59,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:59" (1/1) ... [2024-12-06 01:31:59,378 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:59" (1/1) ... [2024-12-06 01:31:59,394 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2024-12-06 01:31:59,395 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:31:59,395 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:31:59,395 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:31:59,395 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:31:59,400 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:59" (1/1) ... [2024-12-06 01:31:59,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:59" (1/1) ... [2024-12-06 01:31:59,402 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:59" (1/1) ... [2024-12-06 01:31:59,402 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:59" (1/1) ... [2024-12-06 01:31:59,405 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:59" (1/1) ... [2024-12-06 01:31:59,405 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:59" (1/1) ... [2024-12-06 01:31:59,409 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:59" (1/1) ... [2024-12-06 01:31:59,410 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:59" (1/1) ... [2024-12-06 01:31:59,411 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:59" (1/1) ... [2024-12-06 01:31:59,412 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:31:59,413 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:31:59,413 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:31:59,414 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:31:59,414 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:59" (1/1) ... [2024-12-06 01:31:59,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:31:59,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337163b-ce4f-4f3e-b377-6699fa6c4c99/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:31:59,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337163b-ce4f-4f3e-b377-6699fa6c4c99/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:31:59,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337163b-ce4f-4f3e-b377-6699fa6c4c99/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:31:59,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:31:59,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:31:59,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:31:59,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:31:59,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:31:59,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:31:59,513 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:31:59,515 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:31:59,635 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 01:31:59,636 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:31:59,688 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:31:59,688 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:31:59,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:31:59 BoogieIcfgContainer [2024-12-06 01:31:59,689 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:31:59,689 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:31:59,690 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:31:59,698 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:31:59,698 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:31:59" (1/1) ... [2024-12-06 01:31:59,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:31:59,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:31:59,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-12-06 01:31:59,761 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-12-06 01:31:59,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 01:31:59,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:31:59,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:31:59,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:59,881 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 01:31:59,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:31:59,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-06 01:31:59,901 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-06 01:31:59,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:31:59,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:31:59,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:31:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:31:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:59,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:31:59,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:32:00,096 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 01:32:00,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:32:00,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-06 01:32:00,188 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-06 01:32:00,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:32:00,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:32:00,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:32:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:00,272 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 01:32:00,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:32:00,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-12-06 01:32:00,531 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-12-06 01:32:00,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:32:00,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:32:00,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:32:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:00,612 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 01:32:00,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:32:00,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-12-06 01:32:00,671 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-12-06 01:32:00,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 01:32:00,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:32:00,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:32:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:32:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:00,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 01:32:00,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:32:01,256 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:32:01,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:32:01,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 28 states and 45 transitions. [2024-12-06 01:32:01,768 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 45 transitions. [2024-12-06 01:32:01,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 01:32:01,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:32:01,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:32:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:01,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:32:02,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:32:02,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2024-12-06 01:32:02,764 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-12-06 01:32:02,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 01:32:02,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:32:02,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:32:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:32:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:02,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 01:32:02,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:32:03,145 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 01:32:03,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:32:03,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 34 states and 59 transitions. [2024-12-06 01:32:03,802 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 59 transitions. [2024-12-06 01:32:03,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 01:32:03,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:32:03,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:32:03,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:32:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:03,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 01:32:03,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:32:05,481 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 01:32:07,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:32:07,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 38 states and 75 transitions. [2024-12-06 01:32:07,897 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 75 transitions. [2024-12-06 01:32:07,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 01:32:07,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:32:07,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:32:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:08,068 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 01:32:11,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:32:11,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 42 states and 88 transitions. [2024-12-06 01:32:11,226 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 88 transitions. [2024-12-06 01:32:11,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 01:32:11,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:32:11,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:32:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:32:11,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:11,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-06 01:32:11,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:32:12,543 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 01:32:13,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:32:13,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 43 states and 89 transitions. [2024-12-06 01:32:13,422 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 89 transitions. [2024-12-06 01:32:13,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 01:32:13,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:32:13,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:32:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:13,487 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 01:32:13,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:32:13,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 45 states and 93 transitions. [2024-12-06 01:32:13,921 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 93 transitions. [2024-12-06 01:32:13,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 01:32:13,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:32:13,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:32:13,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:13,979 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 01:32:14,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:32:14,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 47 states and 99 transitions. [2024-12-06 01:32:14,746 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 99 transitions. [2024-12-06 01:32:14,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 01:32:14,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:32:14,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:32:14,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:15,060 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 01:32:18,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:32:18,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 51 states and 114 transitions. [2024-12-06 01:32:18,572 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 114 transitions. [2024-12-06 01:32:18,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 01:32:18,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:32:18,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:32:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:18,651 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 01:32:20,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:32:20,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 55 states and 127 transitions. [2024-12-06 01:32:20,920 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 127 transitions. [2024-12-06 01:32:20,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 01:32:20,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:32:20,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:32:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:32:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:20,986 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-06 01:32:20,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:32:22,854 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 10 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 01:32:26,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:32:26,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 59 states and 141 transitions. [2024-12-06 01:32:26,883 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 141 transitions. [2024-12-06 01:32:26,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 01:32:26,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:32:26,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:32:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:26,961 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 01:32:28,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:32:28,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 61 states and 145 transitions. [2024-12-06 01:32:28,924 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 145 transitions. [2024-12-06 01:32:28,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 01:32:28,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:32:28,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:32:28,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:28,989 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 01:32:29,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:32:29,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 63 states and 149 transitions. [2024-12-06 01:32:29,594 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 149 transitions. [2024-12-06 01:32:29,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 01:32:29,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:32:29,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:32:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:29,646 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 01:32:32,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:32:32,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 65 states and 152 transitions. [2024-12-06 01:32:32,553 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 152 transitions. [2024-12-06 01:32:32,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 01:32:32,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:32:32,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:32:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:32,594 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 01:32:33,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:32:33,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 66 states and 157 transitions. [2024-12-06 01:32:33,401 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 157 transitions. [2024-12-06 01:32:33,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 01:32:33,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:32:33,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:32:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:32:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:33,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-12-06 01:32:33,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:32:42,646 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 10 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 01:32:55,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:32:55,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 71 states and 168 transitions. [2024-12-06 01:32:55,998 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 168 transitions. [2024-12-06 01:32:55,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 01:32:55,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:32:55,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:32:56,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:32:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:56,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 01:32:56,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:32:57,803 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 01:33:05,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:33:05,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 78 states and 192 transitions. [2024-12-06 01:33:05,777 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 192 transitions. [2024-12-06 01:33:05,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 01:33:05,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:33:05,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:33:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:33:06,468 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 01:33:14,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:33:14,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 81 states and 200 transitions. [2024-12-06 01:33:14,214 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 200 transitions. [2024-12-06 01:33:14,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 01:33:14,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:33:14,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:33:14,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:33:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:33:14,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-12-06 01:33:14,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:33:48,369 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 40 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 01:34:00,838 WARN L286 SmtUtils]: Spent 10.28s on a formula simplification. DAG size of input: 75 DAG size of output: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:34:37,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:34:37,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 83 states and 203 transitions. [2024-12-06 01:34:37,492 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 203 transitions. [2024-12-06 01:34:37,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 01:34:37,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:34:37,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:34:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:34:37,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:34:37,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-06 01:34:37,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:34:38,030 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 01:34:41,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:34:41,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 84 states and 205 transitions. [2024-12-06 01:34:41,033 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 205 transitions. [2024-12-06 01:34:41,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 01:34:41,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:34:41,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:34:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:34:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:34:41,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-12-06 01:34:41,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:34:42,516 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 14 proven. 39 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 01:34:45,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:34:45,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 85 states and 206 transitions. [2024-12-06 01:34:45,477 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 206 transitions. [2024-12-06 01:34:45,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 01:34:45,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:34:45,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:34:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:34:45,556 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 01:34:47,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:34:47,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 86 states and 216 transitions. [2024-12-06 01:34:47,606 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 216 transitions. [2024-12-06 01:34:47,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 01:34:47,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:34:47,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:34:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:34:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:34:47,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-12-06 01:34:47,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:36:25,717 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 40 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 01:36:53,616 WARN L286 SmtUtils]: Spent 5.97s on a formula simplification. DAG size of input: 152 DAG size of output: 138 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:38:07,178 WARN L286 SmtUtils]: Spent 6.67s on a formula simplification. DAG size of input: 154 DAG size of output: 136 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:39:43,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-06 01:40:01,964 WARN L286 SmtUtils]: Spent 15.99s on a formula simplification. DAG size of input: 154 DAG size of output: 140 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:41:32,843 WARN L286 SmtUtils]: Spent 35.32s on a formula simplification. DAG size of input: 156 DAG size of output: 138 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:41:43,736 WARN L286 SmtUtils]: Spent 5.71s on a formula simplification that was a NOOP. DAG size: 141 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:43:07,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-06 01:43:08,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-06 01:43:13,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.13s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-06 01:43:36,124 WARN L286 SmtUtils]: Spent 13.71s on a formula simplification. DAG size of input: 152 DAG size of output: 138 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:45:23,693 WARN L286 SmtUtils]: Spent 32.71s on a formula simplification. DAG size of input: 154 DAG size of output: 136 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:46:03,641 WARN L286 SmtUtils]: Spent 27.82s on a formula simplification that was a NOOP. DAG size: 139 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)