./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound50.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_50cd6806-fa04-48b4-9016-b350cb2d4d2d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50cd6806-fa04-48b4-9016-b350cb2d4d2d/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_50cd6806-fa04-48b4-9016-b350cb2d4d2d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50cd6806-fa04-48b4-9016-b350cb2d4d2d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50cd6806-fa04-48b4-9016-b350cb2d4d2d/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_50cd6806-fa04-48b4-9016-b350cb2d4d2d/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 c54d9189042c7bc9bae976b882c7c0538c4797366038f58e7e5d207abe4f931e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:00:47,190 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:00:47,262 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50cd6806-fa04-48b4-9016-b350cb2d4d2d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:00:47,268 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:00:47,268 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:00:47,294 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:00:47,295 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:00:47,295 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:00:47,296 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:00:47,296 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:00:47,296 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:00:47,296 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:00:47,296 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:00:47,296 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:00:47,296 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:00:47,297 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:00:47,297 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:00:47,297 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:00:47,297 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:00:47,297 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:00:47,297 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:00:47,297 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:00:47,297 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:00:47,298 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:00:47,298 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:00:47,298 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:00:47,298 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:00:47,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:00:47,298 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:00:47,298 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:00:47,299 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:00:47,299 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:00:47,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:00:47,299 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_50cd6806-fa04-48b4-9016-b350cb2d4d2d/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 -> c54d9189042c7bc9bae976b882c7c0538c4797366038f58e7e5d207abe4f931e [2024-12-05 23:00:47,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:00:47,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:00:47,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:00:47,621 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:00:47,621 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:00:47,623 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50cd6806-fa04-48b4-9016-b350cb2d4d2d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound50.c [2024-12-05 23:00:50,924 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50cd6806-fa04-48b4-9016-b350cb2d4d2d/bin/ukojak-verify-CZk0znPC7b/data/b9b58d48c/7a74b0367e2c4b169f03758c4a0a7a13/FLAGdcec8d8b1 [2024-12-05 23:00:51,151 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:00:51,152 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50cd6806-fa04-48b4-9016-b350cb2d4d2d/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound50.c [2024-12-05 23:00:51,160 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50cd6806-fa04-48b4-9016-b350cb2d4d2d/bin/ukojak-verify-CZk0znPC7b/data/b9b58d48c/7a74b0367e2c4b169f03758c4a0a7a13/FLAGdcec8d8b1 [2024-12-05 23:00:51,509 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50cd6806-fa04-48b4-9016-b350cb2d4d2d/bin/ukojak-verify-CZk0znPC7b/data/b9b58d48c/7a74b0367e2c4b169f03758c4a0a7a13 [2024-12-05 23:00:51,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:00:51,513 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:00:51,514 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:00:51,515 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:00:51,519 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:00:51,520 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:00:51" (1/1) ... [2024-12-05 23:00:51,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@260dac7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:00:51, skipping insertion in model container [2024-12-05 23:00:51,521 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:00:51" (1/1) ... [2024-12-05 23:00:51,535 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:00:51,668 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_50cd6806-fa04-48b4-9016-b350cb2d4d2d/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound50.c[1263,1276] [2024-12-05 23:00:51,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:00:51,693 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:00:51,704 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_50cd6806-fa04-48b4-9016-b350cb2d4d2d/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound50.c[1263,1276] [2024-12-05 23:00:51,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:00:51,725 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:00:51,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:00:51 WrapperNode [2024-12-05 23:00:51,726 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:00:51,727 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:00:51,727 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:00:51,727 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:00:51,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:00:51" (1/1) ... [2024-12-05 23:00:51,738 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:00:51" (1/1) ... [2024-12-05 23:00:51,754 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2024-12-05 23:00:51,754 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:00:51,755 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:00:51,755 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:00:51,755 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:00:51,761 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:00:51" (1/1) ... [2024-12-05 23:00:51,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:00:51" (1/1) ... [2024-12-05 23:00:51,763 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:00:51" (1/1) ... [2024-12-05 23:00:51,763 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:00:51" (1/1) ... [2024-12-05 23:00:51,766 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:00:51" (1/1) ... [2024-12-05 23:00:51,767 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:00:51" (1/1) ... [2024-12-05 23:00:51,771 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:00:51" (1/1) ... [2024-12-05 23:00:51,772 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:00:51" (1/1) ... [2024-12-05 23:00:51,773 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:00:51" (1/1) ... [2024-12-05 23:00:51,775 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:00:51,776 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:00:51,776 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:00:51,776 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:00:51,777 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:00:51" (1/1) ... [2024-12-05 23:00:51,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:00:51,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50cd6806-fa04-48b4-9016-b350cb2d4d2d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:00:51,808 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50cd6806-fa04-48b4-9016-b350cb2d4d2d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:00:51,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50cd6806-fa04-48b4-9016-b350cb2d4d2d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:00:51,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:00:51,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:00:51,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:00:51,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:00:51,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:00:51,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:00:51,901 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:00:51,903 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:00:52,049 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-05 23:00:52,050 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:00:52,117 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:00:52,118 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:00:52,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:00:52 BoogieIcfgContainer [2024-12-05 23:00:52,118 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:00:52,119 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:00:52,119 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:00:52,132 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:00:52,132 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:00:52" (1/1) ... [2024-12-05 23:00:52,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:00:52,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:52,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-12-05 23:00:52,208 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-12-05 23:00:52,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:00:52,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:52,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:00:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:52,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:00:52,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:52,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-05 23:00:52,390 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-05 23:00:52,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:00:52,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:52,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:00:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:00:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:52,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:00:52,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:52,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:00:52,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:52,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 23:00:52,687 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 23:00:52,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:00:52,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:52,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:00:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:52,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:00:53,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:53,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-12-05 23:00:53,057 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-12-05 23:00:53,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 23:00:53,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:53,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:00:53,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:53,202 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:00:53,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:53,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2024-12-05 23:00:53,690 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2024-12-05 23:00:53,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 23:00:53,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:53,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:00:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:00:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:53,759 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-05 23:00:53,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:54,483 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:00:55,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:55,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 55 transitions. [2024-12-05 23:00:55,975 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2024-12-05 23:00:55,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 23:00:55,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:55,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:00:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:56,139 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:00:57,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:57,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2024-12-05 23:00:57,192 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2024-12-05 23:00:57,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 23:00:57,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:57,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:00:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:00:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:57,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:00:57,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:07,548 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:01:08,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:08,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-12-05 23:01:08,677 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-12-05 23:01:08,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 23:01:08,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:08,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:01:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:08,890 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:01:10,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:10,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 86 transitions. [2024-12-05 23:01:10,855 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2024-12-05 23:01:10,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 23:01:10,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:10,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:01:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:10,925 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:01:11,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:11,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 46 states and 90 transitions. [2024-12-05 23:01:11,579 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 90 transitions. [2024-12-05 23:01:11,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 23:01:11,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:11,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:01:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:01:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:11,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-05 23:01:11,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:13,342 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:01:22,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-05 23:01:23,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:23,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 50 states and 101 transitions. [2024-12-05 23:01:23,535 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 101 transitions. [2024-12-05 23:01:23,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 23:01:23,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:23,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:01:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:23,606 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:01:29,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:29,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 52 states and 103 transitions. [2024-12-05 23:01:29,321 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 103 transitions. [2024-12-05 23:01:29,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 23:01:29,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:29,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:01:29,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:01:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:29,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-05 23:01:29,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:36,931 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 23:01:56,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.13s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-05 23:02:06,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.47s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-05 23:02:07,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:07,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 56 states and 114 transitions. [2024-12-05 23:02:07,803 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 114 transitions. [2024-12-05 23:02:07,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 23:02:07,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:07,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:02:07,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:08,126 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 23:02:44,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:44,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 60 states and 130 transitions. [2024-12-05 23:02:44,042 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 130 transitions. [2024-12-05 23:02:44,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 23:02:44,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:44,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:02:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:02:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:44,140 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-05 23:02:44,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:47,080 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 23:02:50,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:50,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 61 states and 132 transitions. [2024-12-05 23:02:50,044 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 132 transitions. [2024-12-05 23:02:50,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-05 23:02:50,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:50,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:02:50,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:50,348 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-05 23:03:44,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:03:44,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 65 states and 149 transitions. [2024-12-05 23:03:44,959 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 149 transitions. [2024-12-05 23:03:44,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-05 23:03:44,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:03:44,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:03:44,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:03:45,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:45,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-12-05 23:03:45,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:11,724 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 14 proven. 39 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-05 23:05:34,667 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] [2024-12-05 23:05:38,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.18s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:05:43,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.48s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-05 23:05:53,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.62s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-05 23:05:58,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.84s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-05 23:06:08,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-05 23:06:12,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.45s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-05 23:06:12,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:12,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 69 states and 165 transitions. [2024-12-05 23:06:12,766 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 165 transitions. [2024-12-05 23:06:12,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-05 23:06:12,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:12,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:06:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:06:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:12,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-05 23:06:12,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:38,788 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 14 proven. 39 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-05 23:06:53,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:53,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 70 states and 167 transitions. [2024-12-05 23:06:53,372 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 167 transitions. [2024-12-05 23:06:53,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-05 23:06:53,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:53,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:06:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:53,470 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-05 23:07:57,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-05 23:08:46,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-05 23:09:36,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:09:36,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 72 states and 170 transitions. [2024-12-05 23:09:36,055 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 170 transitions. [2024-12-05 23:09:36,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-05 23:09:36,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:09:36,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:09:36,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:09:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:09:36,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-12-05 23:09:36,257 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:09:59,941 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 40 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-05 23:10:15,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:15,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 73 states and 172 transitions. [2024-12-05 23:10:15,247 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 172 transitions. [2024-12-05 23:10:15,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-05 23:10:15,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:15,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:10:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:15,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-12-05 23:10:15,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:12:03,935 WARN L286 SmtUtils]: Spent 17.51s on a formula simplification that was a NOOP. DAG size: 420 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:12:43,298 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 15 proven. 62 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-05 23:12:53,943 WARN L286 SmtUtils]: Spent 9.67s on a formula simplification. DAG size of input: 276 DAG size of output: 210 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:14:57,043 WARN L286 SmtUtils]: Spent 26.44s on a formula simplification that was a NOOP. DAG size: 421 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:15:40,016 WARN L286 SmtUtils]: Spent 42.36s on a formula simplification that was a NOOP. DAG size: 554 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)