./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d95976-2105-4c5e-a044-df6e2aac0f7f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d95976-2105-4c5e-a044-df6e2aac0f7f/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_26d95976-2105-4c5e-a044-df6e2aac0f7f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d95976-2105-4c5e-a044-df6e2aac0f7f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d95976-2105-4c5e-a044-df6e2aac0f7f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d95976-2105-4c5e-a044-df6e2aac0f7f/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8bd25fcd8e8d81d9ce03f11651b22e7d6f0ec0da3b511f7ebe00128a9109f319 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:53:41,884 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:53:41,936 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d95976-2105-4c5e-a044-df6e2aac0f7f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-05 23:53:41,940 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:53:41,940 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:53:41,959 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:53:41,960 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:53:41,960 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:53:41,960 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:53:41,960 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:53:41,960 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:53:41,960 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:53:41,960 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:53:41,961 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:53:41,961 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:53:41,961 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:53:41,961 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:53:41,961 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:53:41,961 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:53:41,961 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:53:41,961 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:53:41,961 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:53:41,961 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:53:41,961 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:53:41,961 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:53:41,961 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:53:41,962 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:53:41,962 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:53:41,962 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:53:41,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:53:41,962 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:53:41,962 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:53:41,962 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:53:41,963 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:53:41,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:53:41,963 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_26d95976-2105-4c5e-a044-df6e2aac0f7f/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 ! overflow) ) 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 -> 8bd25fcd8e8d81d9ce03f11651b22e7d6f0ec0da3b511f7ebe00128a9109f319 [2024-12-05 23:53:42,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:53:42,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:53:42,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:53:42,208 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:53:42,209 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:53:42,210 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d95976-2105-4c5e-a044-df6e2aac0f7f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound100.c [2024-12-05 23:53:44,819 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d95976-2105-4c5e-a044-df6e2aac0f7f/bin/ukojak-verify-CZk0znPC7b/data/84e219986/c5ed54f73051493592785311965fe515/FLAGc75f4e267 [2024-12-05 23:53:45,010 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:53:45,011 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d95976-2105-4c5e-a044-df6e2aac0f7f/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound100.c [2024-12-05 23:53:45,017 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d95976-2105-4c5e-a044-df6e2aac0f7f/bin/ukojak-verify-CZk0znPC7b/data/84e219986/c5ed54f73051493592785311965fe515/FLAGc75f4e267 [2024-12-05 23:53:45,402 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d95976-2105-4c5e-a044-df6e2aac0f7f/bin/ukojak-verify-CZk0znPC7b/data/84e219986/c5ed54f73051493592785311965fe515 [2024-12-05 23:53:45,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:53:45,405 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:53:45,406 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:53:45,406 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:53:45,409 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:53:45,410 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:53:45" (1/1) ... [2024-12-05 23:53:45,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e7430e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:45, skipping insertion in model container [2024-12-05 23:53:45,410 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:53:45" (1/1) ... [2024-12-05 23:53:45,420 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:53:45,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:53:45,550 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:53:45,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:53:45,579 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:53:45,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:45 WrapperNode [2024-12-05 23:53:45,580 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:53:45,580 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:53:45,580 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:53:45,580 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:53:45,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:45" (1/1) ... [2024-12-05 23:53:45,589 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:45" (1/1) ... [2024-12-05 23:53:45,605 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2024-12-05 23:53:45,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:53:45,606 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:53:45,606 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:53:45,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:53:45,612 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:45" (1/1) ... [2024-12-05 23:53:45,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:45" (1/1) ... [2024-12-05 23:53:45,613 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:45" (1/1) ... [2024-12-05 23:53:45,613 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:45" (1/1) ... [2024-12-05 23:53:45,616 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:45" (1/1) ... [2024-12-05 23:53:45,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:45" (1/1) ... [2024-12-05 23:53:45,619 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:45" (1/1) ... [2024-12-05 23:53:45,620 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:45" (1/1) ... [2024-12-05 23:53:45,621 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:45" (1/1) ... [2024-12-05 23:53:45,623 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:53:45,623 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:53:45,623 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:53:45,624 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:53:45,624 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:45" (1/1) ... [2024-12-05 23:53:45,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:53:45,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d95976-2105-4c5e-a044-df6e2aac0f7f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:53:45,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d95976-2105-4c5e-a044-df6e2aac0f7f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:53:45,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d95976-2105-4c5e-a044-df6e2aac0f7f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:53:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:53:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 23:53:45,673 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 23:53:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:53:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:53:45,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:53:45,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:53:45,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:53:45,718 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:53:45,719 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:53:45,918 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-12-05 23:53:45,918 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:53:45,945 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:53:45,946 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 23:53:45,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:53:45 BoogieIcfgContainer [2024-12-05 23:53:45,946 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:53:45,946 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:53:45,946 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:53:45,954 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:53:45,954 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:53:45" (1/1) ... [2024-12-05 23:53:45,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:53:45,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:46,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 48 states and 53 transitions. [2024-12-05 23:53:46,001 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2024-12-05 23:53:46,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 23:53:46,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:46,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:53:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:53:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:46,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 23:53:46,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:53:46,248 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:53:46,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:46,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 49 states and 54 transitions. [2024-12-05 23:53:46,405 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2024-12-05 23:53:46,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 23:53:46,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:46,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:53:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:53:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:46,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:53:46,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:53:46,578 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:53:46,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:46,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 58 transitions. [2024-12-05 23:53:46,912 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2024-12-05 23:53:46,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 23:53:46,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:46,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:53:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:47,047 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:53:47,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:47,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 54 states and 64 transitions. [2024-12-05 23:53:47,366 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2024-12-05 23:53:47,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 23:53:47,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:47,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:53:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:47,473 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:53:47,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:47,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 65 transitions. [2024-12-05 23:53:47,911 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2024-12-05 23:53:47,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 23:53:47,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:47,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:53:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:53:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:47,941 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 23:53:47,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:53:48,025 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:53:48,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:48,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 60 states and 74 transitions. [2024-12-05 23:53:48,688 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2024-12-05 23:53:48,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 23:53:48,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:48,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:53:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:53:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:48,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:53:48,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:53:48,801 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:53:49,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:49,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 66 states and 84 transitions. [2024-12-05 23:53:49,738 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2024-12-05 23:53:49,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 23:53:49,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:49,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:53:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:49,810 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:53:49,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:49,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 69 states and 89 transitions. [2024-12-05 23:53:49,862 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 89 transitions. [2024-12-05 23:53:49,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 23:53:49,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:49,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:53:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:50,061 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:53:50,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:50,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 78 states and 105 transitions. [2024-12-05 23:53:50,851 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 105 transitions. [2024-12-05 23:53:50,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 23:53:50,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:50,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:53:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:50,926 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:53:50,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:50,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 79 states and 108 transitions. [2024-12-05 23:53:50,984 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 108 transitions. [2024-12-05 23:53:50,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 23:53:50,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:50,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:53:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:51,245 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:53:51,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:51,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 81 states and 110 transitions. [2024-12-05 23:53:51,988 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 110 transitions. [2024-12-05 23:53:51,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:53:51,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:51,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:53:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:52,178 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:53:53,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:53,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 90 states and 126 transitions. [2024-12-05 23:53:53,459 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 126 transitions. [2024-12-05 23:53:53,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:53:53,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:53,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:53:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:53,567 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:53:53,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:53,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 92 states and 130 transitions. [2024-12-05 23:53:53,763 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 130 transitions. [2024-12-05 23:53:53,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 23:53:53,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:53,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:53:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:53,875 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:53:55,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:55,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 101 states and 145 transitions. [2024-12-05 23:53:55,720 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 145 transitions. [2024-12-05 23:53:55,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 23:53:55,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:55,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:53:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:55,855 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:53:56,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:56,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 104 states and 152 transitions. [2024-12-05 23:53:56,353 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 152 transitions. [2024-12-05 23:53:56,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 23:53:56,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:56,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:53:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:56,453 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:53:58,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:58,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 115 states and 172 transitions. [2024-12-05 23:53:58,346 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 172 transitions. [2024-12-05 23:53:58,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 23:53:58,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:58,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:53:58,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:58,637 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:53:59,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:59,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 119 states and 182 transitions. [2024-12-05 23:53:59,269 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 182 transitions. [2024-12-05 23:53:59,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 23:53:59,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:59,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:53:59,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:59,296 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:53:59,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:59,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 122 states and 186 transitions. [2024-12-05 23:53:59,894 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 186 transitions. [2024-12-05 23:53:59,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 23:53:59,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:59,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:53:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:53:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:59,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 23:53:59,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:54:00,301 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:54:02,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:02,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 134 states and 211 transitions. [2024-12-05 23:54:02,716 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 211 transitions. [2024-12-05 23:54:02,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 23:54:02,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:02,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:54:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:02,738 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:54:03,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:03,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 136 states and 214 transitions. [2024-12-05 23:54:03,139 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 214 transitions. [2024-12-05 23:54:03,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 23:54:03,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:03,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:54:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:54:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:03,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:54:03,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:54:03,880 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:54:06,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:06,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 140 states and 230 transitions. [2024-12-05 23:54:06,793 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 230 transitions. [2024-12-05 23:54:06,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 23:54:06,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:06,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:54:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:06,906 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:54:07,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:07,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 144 states and 238 transitions. [2024-12-05 23:54:07,758 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 238 transitions. [2024-12-05 23:54:07,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 23:54:07,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:07,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:54:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:07,795 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-05 23:54:08,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:08,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 148 states and 245 transitions. [2024-12-05 23:54:08,909 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 245 transitions. [2024-12-05 23:54:08,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 23:54:08,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:08,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:54:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:08,941 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-05 23:54:10,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:10,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 150 states and 249 transitions. [2024-12-05 23:54:10,103 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 249 transitions. [2024-12-05 23:54:10,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-05 23:54:10,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:10,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:54:10,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:54:10,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:10,131 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:54:10,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:54:10,763 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:54:12,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:12,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 156 states and 264 transitions. [2024-12-05 23:54:12,460 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 264 transitions. [2024-12-05 23:54:12,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-05 23:54:12,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:12,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:54:12,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:54:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:12,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 23:54:12,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:54:12,590 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:54:13,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:13,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 159 states and 269 transitions. [2024-12-05 23:54:13,709 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 269 transitions. [2024-12-05 23:54:13,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-05 23:54:13,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:13,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:54:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:13,729 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:54:17,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:17,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 169 states and 289 transitions. [2024-12-05 23:54:17,715 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 289 transitions. [2024-12-05 23:54:17,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-05 23:54:17,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:17,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:54:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:17,735 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:54:19,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:19,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 171 states and 293 transitions. [2024-12-05 23:54:19,032 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 293 transitions. [2024-12-05 23:54:19,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-05 23:54:19,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:19,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:54:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:54:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:19,069 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 23:54:19,071 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:54:20,563 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:54:27,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:27,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 184 states and 323 transitions. [2024-12-05 23:54:27,338 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 323 transitions. [2024-12-05 23:54:27,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-05 23:54:27,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:27,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:54:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:54:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:27,369 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-05 23:54:27,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:54:27,752 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:54:28,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:28,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 185 states and 324 transitions. [2024-12-05 23:54:28,337 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 324 transitions. [2024-12-05 23:54:28,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-05 23:54:28,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:28,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:54:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:28,377 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:54:40,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:40,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 195 states and 346 transitions. [2024-12-05 23:54:40,150 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 346 transitions. [2024-12-05 23:54:40,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-05 23:54:40,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:40,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:54:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:40,168 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:54:42,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:42,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 197 states and 350 transitions. [2024-12-05 23:54:42,860 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 350 transitions. [2024-12-05 23:54:42,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 23:54:42,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:42,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:54:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:43,649 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:54:48,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:48,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 207 states and 375 transitions. [2024-12-05 23:54:48,387 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 375 transitions. [2024-12-05 23:54:48,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 23:54:48,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:48,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:54:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:48,448 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:54:51,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:51,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 213 states and 385 transitions. [2024-12-05 23:54:51,613 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 385 transitions. [2024-12-05 23:54:51,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 23:54:51,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:51,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:54:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:51,687 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:54:53,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:53,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 215 states and 390 transitions. [2024-12-05 23:54:53,477 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 390 transitions. [2024-12-05 23:54:53,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-05 23:54:53,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:53,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:54:53,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:54:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:53,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:54:53,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:55:29,887 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:57:03,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:57:03,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 225 states and 417 transitions. [2024-12-05 23:57:03,881 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 417 transitions. [2024-12-05 23:57:03,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-05 23:57:03,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:57:03,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:57:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:57:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:57:03,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:57:03,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:57:08,468 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 00:03:16,229 WARN L286 SmtUtils]: Spent 15.29s on a formula simplification. DAG size of input: 42 DAG size of output: 36 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:03:24,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-06 00:03:44,151 WARN L286 SmtUtils]: Spent 15.61s on a formula simplification. DAG size of input: 40 DAG size of output: 33 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:03:46,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:03:46,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 233 states and 443 transitions. [2024-12-06 00:03:46,093 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 443 transitions. [2024-12-06 00:03:46,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 00:03:46,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:03:46,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:03:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:03:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:03:46,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:03:46,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:03:47,405 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 00:04:48,361 WARN L286 SmtUtils]: Spent 18.12s on a formula simplification. DAG size of input: 59 DAG size of output: 55 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:06:58,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-06 00:06:59,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:06:59,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 235 states and 447 transitions. [2024-12-06 00:06:59,035 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 447 transitions. [2024-12-06 00:06:59,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 00:06:59,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:06:59,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:06:59,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:06:59,051 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 00:07:36,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:07:36,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 247 states and 471 transitions. [2024-12-06 00:07:36,541 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 471 transitions. [2024-12-06 00:07:36,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 00:07:36,541 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:07:36,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:07:36,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:36,555 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 00:07:56,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:07:56,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 255 states and 487 transitions. [2024-12-06 00:07:56,055 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 487 transitions. [2024-12-06 00:07:56,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 00:07:56,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:07:56,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:07:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:56,068 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 00:08:34,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:08:34,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 257 states and 492 transitions. [2024-12-06 00:08:34,028 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 492 transitions. [2024-12-06 00:08:34,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 00:08:34,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:08:34,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:08:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:08:34,076 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 00:08:37,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:08:37,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 259 states and 496 transitions. [2024-12-06 00:08:37,234 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 496 transitions. [2024-12-06 00:08:37,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 00:08:37,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:08:37,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:08:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:08:37,298 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.