./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound2.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_a1942aef-fe1d-4e9c-ba20-560b7a14147e/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1942aef-fe1d-4e9c-ba20-560b7a14147e/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1942aef-fe1d-4e9c-ba20-560b7a14147e/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1942aef-fe1d-4e9c-ba20-560b7a14147e/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1942aef-fe1d-4e9c-ba20-560b7a14147e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1942aef-fe1d-4e9c-ba20-560b7a14147e/bin/ukojak-verify-ENZ3QT5qd3 --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 72cd0a4215707a62376e213156123902caf611a87605e41064b672632b6ef1f9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:21:44,304 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:21:44,397 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1942aef-fe1d-4e9c-ba20-560b7a14147e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 04:21:44,402 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:21:44,402 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:21:44,425 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:21:44,426 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:21:44,426 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:21:44,426 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:21:44,426 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:21:44,427 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:21:44,427 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:21:44,427 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:21:44,427 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:21:44,427 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:21:44,427 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:21:44,427 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:21:44,427 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:21:44,427 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:21:44,428 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:21:44,428 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:21:44,428 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:21:44,428 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:21:44,428 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:21:44,428 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:21:44,428 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:21:44,428 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:21:44,428 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:21:44,429 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:21:44,429 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:21:44,429 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:21:44,429 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:21:44,429 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:21:44,429 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:21:44,429 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:21:44,430 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_a1942aef-fe1d-4e9c-ba20-560b7a14147e/bin/ukojak-verify-ENZ3QT5qd3 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 -> 72cd0a4215707a62376e213156123902caf611a87605e41064b672632b6ef1f9 [2024-11-25 04:21:44,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:21:44,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:21:44,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:21:44,776 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:21:44,776 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:21:44,777 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1942aef-fe1d-4e9c-ba20-560b7a14147e/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound2.c [2024-11-25 04:21:47,846 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1942aef-fe1d-4e9c-ba20-560b7a14147e/bin/ukojak-verify-ENZ3QT5qd3/data/f96215a27/13f62545ad4f4df38da685636ef7a3f0/FLAGd1b192558 [2024-11-25 04:21:48,213 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:21:48,217 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1942aef-fe1d-4e9c-ba20-560b7a14147e/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound2.c [2024-11-25 04:21:48,237 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1942aef-fe1d-4e9c-ba20-560b7a14147e/bin/ukojak-verify-ENZ3QT5qd3/data/f96215a27/13f62545ad4f4df38da685636ef7a3f0/FLAGd1b192558 [2024-11-25 04:21:48,430 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1942aef-fe1d-4e9c-ba20-560b7a14147e/bin/ukojak-verify-ENZ3QT5qd3/data/f96215a27/13f62545ad4f4df38da685636ef7a3f0 [2024-11-25 04:21:48,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:21:48,435 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:21:48,438 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:21:48,439 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:21:48,444 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:21:48,445 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:21:48" (1/1) ... [2024-11-25 04:21:48,446 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@408514dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:48, skipping insertion in model container [2024-11-25 04:21:48,449 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:21:48" (1/1) ... [2024-11-25 04:21:48,466 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:21:48,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:21:48,639 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:21:48,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:21:48,688 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:21:48,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:48 WrapperNode [2024-11-25 04:21:48,689 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:21:48,690 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:21:48,690 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:21:48,691 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:21:48,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:48" (1/1) ... [2024-11-25 04:21:48,712 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:48" (1/1) ... [2024-11-25 04:21:48,745 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 115 [2024-11-25 04:21:48,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:21:48,749 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:21:48,749 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:21:48,750 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:21:48,759 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:48" (1/1) ... [2024-11-25 04:21:48,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:48" (1/1) ... [2024-11-25 04:21:48,762 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:48" (1/1) ... [2024-11-25 04:21:48,762 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:48" (1/1) ... [2024-11-25 04:21:48,769 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:48" (1/1) ... [2024-11-25 04:21:48,770 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:48" (1/1) ... [2024-11-25 04:21:48,779 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:48" (1/1) ... [2024-11-25 04:21:48,780 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:48" (1/1) ... [2024-11-25 04:21:48,781 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:48" (1/1) ... [2024-11-25 04:21:48,783 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:21:48,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:21:48,788 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:21:48,788 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:21:48,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:48" (1/1) ... [2024-11-25 04:21:48,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:21:48,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1942aef-fe1d-4e9c-ba20-560b7a14147e/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:21:48,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1942aef-fe1d-4e9c-ba20-560b7a14147e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:21:48,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1942aef-fe1d-4e9c-ba20-560b7a14147e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:21:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:21:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:21:48,868 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:21:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:21:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:21:48,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:21:48,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:21:48,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:21:48,936 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:21:48,938 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:21:49,356 INFO L? ?]: Removed 136 outVars from TransFormulas that were not future-live. [2024-11-25 04:21:49,356 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:21:49,422 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:21:49,422 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:21:49,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:21:49 BoogieIcfgContainer [2024-11-25 04:21:49,423 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:21:49,423 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:21:49,424 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:21:49,436 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:21:49,436 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:21:49" (1/1) ... [2024-11-25 04:21:49,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:21:49,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:49,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 131 states and 135 transitions. [2024-11-25 04:21:49,507 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 135 transitions. [2024-11-25 04:21:49,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 04:21:49,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:49,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:21:49,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:49,719 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:21:49,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:49,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 130 states and 134 transitions. [2024-11-25 04:21:49,778 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 134 transitions. [2024-11-25 04:21:49,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 04:21:49,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:49,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:21:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:49,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:21:49,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:49,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 129 states and 133 transitions. [2024-11-25 04:21:49,913 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 133 transitions. [2024-11-25 04:21:49,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 04:21:49,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:49,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:21:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:50,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:21:50,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:50,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 128 states and 132 transitions. [2024-11-25 04:21:50,355 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 132 transitions. [2024-11-25 04:21:50,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 04:21:50,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:50,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:21:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:50,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:21:51,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:51,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 127 states and 131 transitions. [2024-11-25 04:21:51,011 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 131 transitions. [2024-11-25 04:21:51,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 04:21:51,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:51,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:21:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:21:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:51,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 04:21:51,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:51,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:21:51,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:51,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 128 states and 132 transitions. [2024-11-25 04:21:51,152 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 132 transitions. [2024-11-25 04:21:51,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 04:21:51,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:51,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:21:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:21:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:51,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 04:21:51,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:51,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:21:51,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:51,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 129 states and 133 transitions. [2024-11-25 04:21:51,232 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 133 transitions. [2024-11-25 04:21:51,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 04:21:51,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:51,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:21:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:21:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:51,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 04:21:51,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:51,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:21:51,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:51,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 132 states and 138 transitions. [2024-11-25 04:21:51,471 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 138 transitions. [2024-11-25 04:21:51,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 04:21:51,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:51,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:21:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:21:51,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:51,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 04:21:51,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:51,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:21:51,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:51,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 133 states and 139 transitions. [2024-11-25 04:21:51,532 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2024-11-25 04:21:51,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 04:21:51,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:51,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:21:51,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:21:51,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:51,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 04:21:51,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:51,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:21:51,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:51,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 136 states and 144 transitions. [2024-11-25 04:21:51,804 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 144 transitions. [2024-11-25 04:21:51,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 04:21:51,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:51,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:21:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:21:51,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:51,874 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 04:21:51,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:51,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:21:52,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:52,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 140 states and 150 transitions. [2024-11-25 04:21:52,206 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 150 transitions. [2024-11-25 04:21:52,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:21:52,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:52,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:21:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:21:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:52,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 04:21:52,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:52,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:21:52,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:52,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 143 states and 156 transitions. [2024-11-25 04:21:52,682 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 156 transitions. [2024-11-25 04:21:52,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 04:21:52,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:52,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:21:52,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:21:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:52,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 04:21:52,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:52,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:21:53,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:53,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 147 states and 163 transitions. [2024-11-25 04:21:53,294 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 163 transitions. [2024-11-25 04:21:53,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 04:21:53,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:53,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:21:53,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:21:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:53,338 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 04:21:53,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:53,455 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:21:53,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:53,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 151 states and 168 transitions. [2024-11-25 04:21:53,833 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 168 transitions. [2024-11-25 04:21:53,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 04:21:53,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:53,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:21:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:21:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:53,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 04:21:53,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:53,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:21:54,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:54,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 154 states and 172 transitions. [2024-11-25 04:21:54,357 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 172 transitions. [2024-11-25 04:21:54,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 04:21:54,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:54,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:21:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:21:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:54,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 04:21:54,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:54,643 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:21:56,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:56,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 165 states and 187 transitions. [2024-11-25 04:21:56,590 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 187 transitions. [2024-11-25 04:21:56,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 04:21:56,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:56,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:21:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:56,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:21:59,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:59,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 177 states and 205 transitions. [2024-11-25 04:21:59,776 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 205 transitions. [2024-11-25 04:21:59,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 04:21:59,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:59,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:21:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:59,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:22:02,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:02,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 190 states and 225 transitions. [2024-11-25 04:22:02,022 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 225 transitions. [2024-11-25 04:22:02,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 04:22:02,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:02,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:22:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:02,073 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:22:04,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:04,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 204 states and 246 transitions. [2024-11-25 04:22:04,035 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 246 transitions. [2024-11-25 04:22:04,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 04:22:04,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:04,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:22:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:04,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:22:07,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:07,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 219 states and 268 transitions. [2024-11-25 04:22:07,576 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 268 transitions. [2024-11-25 04:22:07,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 04:22:07,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:07,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:22:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:22:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:07,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:22:07,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:22:08,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:22:10,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:10,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 229 states and 282 transitions. [2024-11-25 04:22:10,840 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 282 transitions. [2024-11-25 04:22:10,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 04:22:10,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:10,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:22:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:11,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:22:15,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:15,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 246 states and 307 transitions. [2024-11-25 04:22:15,053 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 307 transitions. [2024-11-25 04:22:15,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 04:22:15,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:15,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:22:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:15,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:22:19,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:19,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 264 states and 334 transitions. [2024-11-25 04:22:19,913 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 334 transitions. [2024-11-25 04:22:19,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 04:22:19,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:19,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:22:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:20,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:22:28,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:28,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 284 states and 364 transitions. [2024-11-25 04:22:28,072 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 364 transitions. [2024-11-25 04:22:28,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 04:22:28,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:28,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:22:28,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:28,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:22:30,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:30,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 293 states and 378 transitions. [2024-11-25 04:22:30,593 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 378 transitions. [2024-11-25 04:22:30,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 04:22:30,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:30,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:22:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:30,803 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:22:31,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:31,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 295 states and 383 transitions. [2024-11-25 04:22:31,350 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 383 transitions. [2024-11-25 04:22:31,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-25 04:22:31,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:31,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:22:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:31,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:22:33,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:33,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 302 states and 396 transitions. [2024-11-25 04:22:33,344 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 396 transitions. [2024-11-25 04:22:33,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-25 04:22:33,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:33,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:22:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:33,537 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:22:34,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:34,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 305 states and 403 transitions. [2024-11-25 04:22:34,412 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 403 transitions. [2024-11-25 04:22:34,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-25 04:22:34,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:34,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:22:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:34,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:22:41,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:41,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 319 states and 428 transitions. [2024-11-25 04:22:41,390 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 428 transitions. [2024-11-25 04:22:41,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-25 04:22:41,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:41,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:22:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:41,430 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:22:41,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:41,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 321 states and 430 transitions. [2024-11-25 04:22:41,506 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 430 transitions. [2024-11-25 04:22:41,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-25 04:22:41,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:41,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:22:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:41,756 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:22:43,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:43,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 324 states and 435 transitions. [2024-11-25 04:22:43,314 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 435 transitions. [2024-11-25 04:22:43,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-25 04:22:43,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:43,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:22:43,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:43,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:22:43,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:43,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 326 states and 437 transitions. [2024-11-25 04:22:43,424 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 437 transitions. [2024-11-25 04:22:43,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-25 04:22:43,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:43,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:22:43,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:43,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:22:45,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:45,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 328 states and 441 transitions. [2024-11-25 04:22:45,058 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 441 transitions. [2024-11-25 04:22:45,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 04:22:45,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:45,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:22:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:45,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:22:48,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:48,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 335 states and 457 transitions. [2024-11-25 04:22:48,339 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 457 transitions. [2024-11-25 04:22:48,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 04:22:48,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:48,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:22:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:48,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:22:56,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:56,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 353 states and 489 transitions. [2024-11-25 04:22:56,430 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 489 transitions. [2024-11-25 04:22:56,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-25 04:22:56,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:56,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:22:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:56,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:22:56,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:56,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 354 states and 490 transitions. [2024-11-25 04:22:56,530 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 490 transitions. [2024-11-25 04:22:56,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-25 04:22:56,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:56,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:22:56,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:56,738 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:23:05,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:05,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 378 states and 531 transitions. [2024-11-25 04:23:05,766 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 531 transitions. [2024-11-25 04:23:05,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:23:05,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:05,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:05,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 04:23:05,804 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:06,646 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:23:20,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:20,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 407 states and 578 transitions. [2024-11-25 04:23:20,653 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 578 transitions. [2024-11-25 04:23:20,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:23:20,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:20,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:20,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:23:20,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:20,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 408 states and 581 transitions. [2024-11-25 04:23:20,736 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 581 transitions. [2024-11-25 04:23:20,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-25 04:23:20,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:20,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:20,770 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 04:23:20,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:21,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:23:31,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:31,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 428 states and 624 transitions. [2024-11-25 04:23:31,794 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 624 transitions. [2024-11-25 04:23:31,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-25 04:23:31,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:31,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:31,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:32,095 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:23:36,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:36,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 438 states and 645 transitions. [2024-11-25 04:23:36,607 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 645 transitions. [2024-11-25 04:23:36,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-25 04:23:36,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:36,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:36,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:23:40,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:40,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 446 states and 658 transitions. [2024-11-25 04:23:40,324 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 658 transitions. [2024-11-25 04:23:40,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-25 04:23:40,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:40,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:41,033 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:23:50,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:50,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 457 states and 680 transitions. [2024-11-25 04:23:50,681 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 680 transitions. [2024-11-25 04:23:50,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 04:23:50,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:50,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:50,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 04:23:50,717 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:51,027 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:23:54,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:54,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 460 states and 688 transitions. [2024-11-25 04:23:54,589 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 688 transitions. [2024-11-25 04:23:54,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 04:23:54,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:54,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:54,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:54,625 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 04:23:54,626 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:56,141 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:24:10,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:10,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 484 states and 727 transitions. [2024-11-25 04:24:10,561 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 727 transitions. [2024-11-25 04:24:10,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 04:24:10,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:10,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:24:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:10,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:24:10,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:12,093 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:24:16,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:16,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 488 states and 736 transitions. [2024-11-25 04:24:16,864 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 736 transitions. [2024-11-25 04:24:16,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 04:24:16,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:16,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:16,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:24:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:16,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 04:24:16,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:18,877 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:24:27,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:27,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 498 states and 756 transitions. [2024-11-25 04:24:27,015 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 756 transitions. [2024-11-25 04:24:27,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-25 04:24:27,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:27,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:27,897 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:24:40,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:40,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 512 states and 783 transitions. [2024-11-25 04:24:40,424 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 783 transitions. [2024-11-25 04:24:40,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-25 04:24:40,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:40,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:24:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:40,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 04:24:40,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:41,703 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:24:47,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:47,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 520 states and 796 transitions. [2024-11-25 04:24:47,800 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 796 transitions. [2024-11-25 04:24:47,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-25 04:24:47,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:47,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:24:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:47,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 04:24:47,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:47,967 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:24:51,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:51,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 525 states and 808 transitions. [2024-11-25 04:24:51,552 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 808 transitions. [2024-11-25 04:24:51,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-25 04:24:51,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:51,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:52,876 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:25:06,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:06,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 540 states and 836 transitions. [2024-11-25 04:25:06,012 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 836 transitions. [2024-11-25 04:25:06,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-25 04:25:06,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:06,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:25:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:06,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:06,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:07,484 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:25:14,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:14,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 549 states and 851 transitions. [2024-11-25 04:25:14,531 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 851 transitions. [2024-11-25 04:25:14,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-25 04:25:14,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:14,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:25:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:14,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:14,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:14,826 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:25:18,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:18,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 554 states and 861 transitions. [2024-11-25 04:25:18,666 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 861 transitions. [2024-11-25 04:25:18,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-25 04:25:18,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:18,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:25:18,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:18,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 04:25:18,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:19,322 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 04:25:26,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:26,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 564 states and 878 transitions. [2024-11-25 04:25:26,758 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 878 transitions. [2024-11-25 04:25:26,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-25 04:25:26,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:26,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:26,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:25:26,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:26,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 04:25:26,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:26,972 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:25:27,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:27,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 565 states and 878 transitions. [2024-11-25 04:25:27,609 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 878 transitions. [2024-11-25 04:25:27,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-25 04:25:27,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:27,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:25:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:27,644 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-25 04:25:27,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:28,955 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:25:36,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:36,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 569 states and 893 transitions. [2024-11-25 04:25:36,010 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 893 transitions. [2024-11-25 04:25:36,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-25 04:25:36,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:36,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:25:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:36,048 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-25 04:25:36,049 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:38,489 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:25:45,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:45,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 578 states and 908 transitions. [2024-11-25 04:25:45,407 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 908 transitions. [2024-11-25 04:25:45,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-25 04:25:45,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:45,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:25:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:45,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 04:25:45,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:45,614 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:25:50,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:50,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 582 states and 913 transitions. [2024-11-25 04:25:50,812 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 913 transitions. [2024-11-25 04:25:50,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-25 04:25:50,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:50,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:25:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:50,850 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 04:25:50,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:52,078 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:25:57,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:57,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 586 states and 920 transitions. [2024-11-25 04:25:57,822 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 920 transitions. [2024-11-25 04:25:57,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-25 04:25:57,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:57,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:25:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:57,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:57,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:58,473 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:26:01,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:01,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 590 states and 925 transitions. [2024-11-25 04:26:01,265 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 925 transitions. [2024-11-25 04:26:01,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-25 04:26:01,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:01,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:26:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:26:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:01,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:26:01,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:01,479 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:26:02,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:02,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 592 states and 926 transitions. [2024-11-25 04:26:02,864 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 926 transitions. [2024-11-25 04:26:02,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-25 04:26:02,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:02,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:26:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:26:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:02,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 04:26:02,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:03,090 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:26:04,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:04,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 592 states and 925 transitions. [2024-11-25 04:26:04,525 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 925 transitions. [2024-11-25 04:26:04,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-25 04:26:04,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:04,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:26:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:26:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:04,599 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 04:26:04,601 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:04,957 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:26:09,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:09,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 599 states and 946 transitions. [2024-11-25 04:26:09,446 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 946 transitions. [2024-11-25 04:26:09,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-25 04:26:09,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:09,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:26:09,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:26:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:09,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 04:26:09,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:13,234 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:26:27,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:27,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 612 states and 986 transitions. [2024-11-25 04:26:27,482 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 986 transitions. [2024-11-25 04:26:27,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-25 04:26:27,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:27,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:26:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:26:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:27,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 04:26:27,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:28,730 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:26:38,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:38,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 622 states and 1003 transitions. [2024-11-25 04:26:38,138 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 1003 transitions. [2024-11-25 04:26:38,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-25 04:26:38,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:38,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:26:38,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:38,590 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:26:40,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:40,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 622 states and 1002 transitions. [2024-11-25 04:26:40,919 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 1002 transitions. [2024-11-25 04:26:40,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-25 04:26:40,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:40,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:26:40,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:42,665 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:26:51,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:51,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 634 states and 1025 transitions. [2024-11-25 04:26:51,979 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 1025 transitions. [2024-11-25 04:26:51,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-25 04:26:51,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:51,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:26:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:52,009 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 04:26:53,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:53,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 636 states and 1027 transitions. [2024-11-25 04:26:53,502 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 1027 transitions. [2024-11-25 04:26:53,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-25 04:26:53,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:53,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:26:53,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:53,531 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 04:27:00,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:00,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 643 states and 1039 transitions. [2024-11-25 04:27:00,971 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1039 transitions. [2024-11-25 04:27:00,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-25 04:27:00,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:00,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:27:00,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:01,664 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:27:16,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:16,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 663 states and 1065 transitions. [2024-11-25 04:27:16,717 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 1065 transitions. [2024-11-25 04:27:16,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-25 04:27:16,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:16,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:27:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:16,745 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-25 04:27:18,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:18,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 665 states and 1067 transitions. [2024-11-25 04:27:18,238 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 1067 transitions. [2024-11-25 04:27:18,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-25 04:27:18,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:18,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:27:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:18,270 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-25 04:27:22,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:22,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 667 states and 1072 transitions. [2024-11-25 04:27:22,270 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 1072 transitions. [2024-11-25 04:27:22,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-25 04:27:22,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:22,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:27:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:22,480 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-25 04:27:26,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:26,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 672 states and 1079 transitions. [2024-11-25 04:27:26,272 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1079 transitions. [2024-11-25 04:27:26,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-25 04:27:26,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:26,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:27:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:26,841 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:27:37,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:37,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 681 states and 1095 transitions. [2024-11-25 04:27:37,987 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 1095 transitions. [2024-11-25 04:27:37,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-25 04:27:37,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:37,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:27:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:27:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:38,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-25 04:27:38,028 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:44,019 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:28:03,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:03,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 688 states and 1117 transitions. [2024-11-25 04:28:03,742 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1117 transitions. [2024-11-25 04:28:03,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-25 04:28:03,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:03,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:28:03,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:28:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:03,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:28:03,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:09,363 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:28:25,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:25,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 699 states and 1131 transitions. [2024-11-25 04:28:25,720 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1131 transitions. [2024-11-25 04:28:25,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-25 04:28:25,720 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:25,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:28:25,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:28:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:25,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:28:25,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:26,935 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:28:35,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:35,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 704 states and 1143 transitions. [2024-11-25 04:28:35,381 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 1143 transitions. [2024-11-25 04:28:35,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-25 04:28:35,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:35,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:28:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:28:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:35,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 04:28:35,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:40,922 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:28:57,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:57,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 719 states and 1167 transitions. [2024-11-25 04:28:57,491 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 1167 transitions. [2024-11-25 04:28:57,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-25 04:28:57,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:57,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:28:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:28:57,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:57,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 04:28:57,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:58,814 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:29:23,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:23,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 738 states and 1200 transitions. [2024-11-25 04:29:23,936 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 1200 transitions. [2024-11-25 04:29:23,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-25 04:29:23,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:23,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:29:23,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:29:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:23,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 04:29:23,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:29:24,331 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:29:47,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:47,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 743 states and 1211 transitions. [2024-11-25 04:29:47,120 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1211 transitions. [2024-11-25 04:29:47,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-25 04:29:47,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:47,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:29:47,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:49,972 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 20 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-25 04:30:15,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:15,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 761 states and 1248 transitions. [2024-11-25 04:30:15,059 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 1248 transitions. [2024-11-25 04:30:15,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-25 04:30:15,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:15,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:30:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:15,154 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 20 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-25 04:30:19,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:19,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 768 states and 1255 transitions. [2024-11-25 04:30:19,344 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1255 transitions. [2024-11-25 04:30:19,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-25 04:30:19,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:19,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:30:19,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:30:19,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:19,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-25 04:30:19,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:27,657 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:30:59,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:59,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 794 states and 1293 transitions. [2024-11-25 04:30:59,686 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1293 transitions. [2024-11-25 04:30:59,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-25 04:30:59,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:59,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:30:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:30:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:59,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 04:30:59,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:31:06,943 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:31:37,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:37,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 813 states and 1325 transitions. [2024-11-25 04:31:37,203 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1325 transitions. [2024-11-25 04:31:37,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-25 04:31:37,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:37,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:31:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:31:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:37,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-25 04:31:37,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:31:37,757 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:31:42,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:42,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 818 states and 1333 transitions. [2024-11-25 04:31:42,638 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1333 transitions. [2024-11-25 04:31:42,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-25 04:31:42,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:42,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:31:42,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:42,667 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:31:53,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:53,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 825 states and 1342 transitions. [2024-11-25 04:31:53,585 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1342 transitions. [2024-11-25 04:31:53,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-25 04:31:53,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:53,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:31:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:53,620 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-25 04:32:09,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:32:09,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 834 states and 1356 transitions. [2024-11-25 04:32:09,015 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1356 transitions. [2024-11-25 04:32:09,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-25 04:32:09,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:32:09,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:32:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:09,044 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-25 04:32:17,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:32:17,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 838 states and 1362 transitions. [2024-11-25 04:32:17,118 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1362 transitions. [2024-11-25 04:32:17,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-25 04:32:17,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:32:17,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:32:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:17,149 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-25 04:32:24,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:32:24,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1399 states to 842 states and 1368 transitions. [2024-11-25 04:32:24,744 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1368 transitions. [2024-11-25 04:32:24,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-25 04:32:24,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:32:24,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:32:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:27,212 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 04:32:58,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:32:58,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 856 states and 1408 transitions. [2024-11-25 04:32:58,488 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1408 transitions. [2024-11-25 04:32:58,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-25 04:32:58,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:32:58,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:32:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:32:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:58,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 04:32:58,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:33:01,297 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 04:33:27,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:33:27,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 875 states and 1443 transitions. [2024-11-25 04:33:27,456 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1443 transitions. [2024-11-25 04:33:27,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-25 04:33:27,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:33:27,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:33:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:33:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:33:27,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 04:33:27,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:33:27,694 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 04:33:42,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:33:42,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 887 states and 1460 transitions. [2024-11-25 04:33:42,715 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1460 transitions. [2024-11-25 04:33:42,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-25 04:33:42,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:33:42,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:33:42,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:33:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:33:42,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 04:33:42,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:33:42,924 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 04:33:46,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:33:46,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 892 states and 1465 transitions. [2024-11-25 04:33:46,720 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1465 transitions. [2024-11-25 04:33:46,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-25 04:33:46,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:33:46,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:33:46,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:33:46,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:33:46,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 04:33:46,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:33:50,529 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 04:34:27,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:27,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 917 states and 1509 transitions. [2024-11-25 04:34:27,863 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1509 transitions. [2024-11-25 04:34:27,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-25 04:34:27,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:27,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:34:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:34:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:27,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:34:27,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:34:31,240 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 04:34:53,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:53,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 930 states and 1528 transitions. [2024-11-25 04:34:53,017 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1528 transitions. [2024-11-25 04:34:53,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-25 04:34:53,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:53,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:34:53,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:34:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:53,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 04:34:53,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:34:53,271 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 04:34:57,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:57,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 935 states and 1533 transitions. [2024-11-25 04:34:57,131 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1533 transitions. [2024-11-25 04:34:57,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-25 04:34:57,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:57,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:34:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:58,981 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.