./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f61d46a-fe42-4fd2-b40f-648c9ccc291a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f61d46a-fe42-4fd2-b40f-648c9ccc291a/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_1f61d46a-fe42-4fd2-b40f-648c9ccc291a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f61d46a-fe42-4fd2-b40f-648c9ccc291a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f61d46a-fe42-4fd2-b40f-648c9ccc291a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f61d46a-fe42-4fd2-b40f-648c9ccc291a/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c533ab673c7ac44f09cf312108422da4b4eb94a047fb46aaa19b12fad5dce8e7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:57:43,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:57:43,192 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f61d46a-fe42-4fd2-b40f-648c9ccc291a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 01:57:43,200 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 01:57:43,201 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 01:57:43,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:57:43,241 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 01:57:43,242 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 01:57:43,242 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:57:43,242 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:57:43,242 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:57:43,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 01:57:43,243 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 01:57:43,243 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 01:57:43,243 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 01:57:43,243 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:57:43,243 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 01:57:43,243 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:57:43,243 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 01:57:43,243 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 01:57:43,243 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 01:57:43,244 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:57:43,244 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:57:43,244 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:57:43,244 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:57:43,244 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:57:43,244 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:57:43,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:57:43,246 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:57:43,247 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:57:43,247 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 01:57:43,247 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 01:57:43,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 01:57:43,247 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_1f61d46a-fe42-4fd2-b40f-648c9ccc291a/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 ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c533ab673c7ac44f09cf312108422da4b4eb94a047fb46aaa19b12fad5dce8e7 [2024-11-25 01:57:43,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:57:43,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:57:43,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:57:43,568 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:57:43,568 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:57:43,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f61d46a-fe42-4fd2-b40f-648c9ccc291a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound20.i [2024-11-25 01:57:46,501 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f61d46a-fe42-4fd2-b40f-648c9ccc291a/bin/ukojak-verify-ENZ3QT5qd3/data/8ebe2d28d/02cbadb586fe42839f3fb10205b0df92/FLAG5947be886 [2024-11-25 01:57:46,832 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:57:46,833 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f61d46a-fe42-4fd2-b40f-648c9ccc291a/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound20.i [2024-11-25 01:57:46,853 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f61d46a-fe42-4fd2-b40f-648c9ccc291a/bin/ukojak-verify-ENZ3QT5qd3/data/8ebe2d28d/02cbadb586fe42839f3fb10205b0df92/FLAG5947be886 [2024-11-25 01:57:46,896 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f61d46a-fe42-4fd2-b40f-648c9ccc291a/bin/ukojak-verify-ENZ3QT5qd3/data/8ebe2d28d/02cbadb586fe42839f3fb10205b0df92 [2024-11-25 01:57:46,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:57:46,901 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:57:46,904 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:57:46,904 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:57:46,909 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:57:46,910 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:46,912 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ea965a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46, skipping insertion in model container [2024-11-25 01:57:46,913 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:46,936 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:57:47,128 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f61d46a-fe42-4fd2-b40f-648c9ccc291a/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound20.i[951,964] [2024-11-25 01:57:47,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:57:47,161 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:57:47,176 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f61d46a-fe42-4fd2-b40f-648c9ccc291a/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound20.i[951,964] [2024-11-25 01:57:47,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:57:47,202 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:57:47,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47 WrapperNode [2024-11-25 01:57:47,204 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:57:47,205 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:57:47,205 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:57:47,206 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:57:47,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,219 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,237 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2024-11-25 01:57:47,237 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:57:47,238 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:57:47,238 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:57:47,238 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:57:47,246 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,248 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,249 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,251 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,256 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,262 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,263 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,263 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,266 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:57:47,270 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:57:47,270 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:57:47,270 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:57:47,271 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:57:47,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f61d46a-fe42-4fd2-b40f-648c9ccc291a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:57:47,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f61d46a-fe42-4fd2-b40f-648c9ccc291a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:57:47,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f61d46a-fe42-4fd2-b40f-648c9ccc291a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:57:47,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 01:57:47,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 01:57:47,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:57:47,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:57:47,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 01:57:47,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 01:57:47,419 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:57:47,421 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:57:47,613 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 01:57:47,613 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:57:47,705 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 01:57:47,706 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-25 01:57:47,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:57:47 BoogieIcfgContainer [2024-11-25 01:57:47,707 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 01:57:47,708 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 01:57:47,708 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 01:57:47,720 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 01:57:47,720 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 01:57:47,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:47,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2024-11-25 01:57:47,802 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-11-25 01:57:47,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 01:57:47,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:47,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:57:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:47,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 01:57:48,000 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:57:48,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:48,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:48,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2024-11-25 01:57:48,473 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2024-11-25 01:57:48,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 01:57:48,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:48,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:49,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:49,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:49,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-11-25 01:57:49,545 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-11-25 01:57:49,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 01:57:49,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:49,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:49,826 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:50,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:50,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-11-25 01:57:50,361 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-11-25 01:57:50,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 01:57:50,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:50,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:57:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:50,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 01:57:50,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:57:51,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:52,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:52,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 24 states and 42 transitions. [2024-11-25 01:57:52,949 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 42 transitions. [2024-11-25 01:57:52,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 01:57:52,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:52,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:57:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:53,042 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 01:57:53,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:57:53,593 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:55,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:55,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 28 states and 56 transitions. [2024-11-25 01:57:55,918 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 56 transitions. [2024-11-25 01:57:55,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 01:57:55,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:55,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:57:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:55,984 WARN L254 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-25 01:57:55,987 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:57:56,595 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:59,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:59,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 32 states and 69 transitions. [2024-11-25 01:57:59,386 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 69 transitions. [2024-11-25 01:57:59,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 01:57:59,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:59,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:59,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:57:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:59,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-25 01:57:59,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:58:00,007 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:58:02,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:02,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 37 states and 83 transitions. [2024-11-25 01:58:02,767 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 83 transitions. [2024-11-25 01:58:02,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 01:58:02,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:02,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:58:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:02,889 WARN L254 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-25 01:58:02,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:58:03,606 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:58:06,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:06,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 42 states and 95 transitions. [2024-11-25 01:58:06,489 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 95 transitions. [2024-11-25 01:58:06,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 01:58:06,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:06,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:06,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:08,199 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 01:58:09,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:09,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 41 states and 87 transitions. [2024-11-25 01:58:09,853 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 87 transitions. [2024-11-25 01:58:09,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 01:58:09,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:09,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:11,030 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 01:58:14,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:14,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 43 states and 97 transitions. [2024-11-25 01:58:14,266 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 97 transitions. [2024-11-25 01:58:14,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 01:58:14,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:14,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:58:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:14,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-25 01:58:14,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:58:15,519 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 01:58:21,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:21,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 47 states and 107 transitions. [2024-11-25 01:58:21,926 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 107 transitions. [2024-11-25 01:58:21,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 01:58:21,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:21,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:58:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:22,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-25 01:58:22,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:58:23,427 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 01:58:33,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:33,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 51 states and 117 transitions. [2024-11-25 01:58:33,506 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 117 transitions. [2024-11-25 01:58:33,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 01:58:33,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:33,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:58:33,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:33,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-25 01:58:33,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:58:44,597 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 01:59:00,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:00,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 53 states and 124 transitions. [2024-11-25 01:59:00,440 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 124 transitions. [2024-11-25 01:59:00,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 01:59:00,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:00,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:59:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:59:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:00,671 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-25 01:59:00,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:59:03,344 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 01:59:26,314 WARN L286 SmtUtils]: Spent 18.73s on a formula simplification. DAG size of input: 87 DAG size of output: 86 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 01:59:31,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:31,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 55 states and 132 transitions. [2024-11-25 01:59:31,470 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 132 transitions. [2024-11-25 01:59:31,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 01:59:31,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:31,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:59:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:46,062 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 02:00:16,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:16,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 57 states and 143 transitions. [2024-11-25 02:00:16,165 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 143 transitions. [2024-11-25 02:00:16,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 02:00:16,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:16,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:00:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:00:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:16,543 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-25 02:00:16,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:00:53,229 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 02:02:44,447 WARN L286 SmtUtils]: Spent 1.09m on a formula simplification that was a NOOP. DAG size: 130 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:03:25,311 WARN L286 SmtUtils]: Spent 28.79s on a formula simplification that was a NOOP. DAG size: 131 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:03:25,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:03:25,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 60 states and 153 transitions. [2024-11-25 02:03:25,607 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 153 transitions. [2024-11-25 02:03:25,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 02:03:25,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:03:25,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:03:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:03:26,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:03:26,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-25 02:03:26,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:03:51,402 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 5 proven. 26 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 02:06:20,523 WARN L286 SmtUtils]: Spent 1.27m on a formula simplification that was a NOOP. DAG size: 155 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:06:20,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:06:20,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 66 states and 169 transitions. [2024-11-25 02:06:20,781 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 169 transitions. [2024-11-25 02:06:20,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:06:20,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:06:20,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:06:20,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:06:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:06:21,373 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-25 02:06:21,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:06:34,931 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 5 proven. 31 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 02:08:07,503 WARN L286 SmtUtils]: Spent 42.66s on a formula simplification that was a NOOP. DAG size: 167 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:08:08,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:08:08,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 73 states and 187 transitions. [2024-11-25 02:08:08,743 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 187 transitions. [2024-11-25 02:08:08,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-25 02:08:08,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:08:08,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:08:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:08:12,755 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 12 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-25 02:10:19,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:10:19,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 74 states and 189 transitions. [2024-11-25 02:10:19,509 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 189 transitions. [2024-11-25 02:10:19,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 02:10:19,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:10:19,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:10:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:10:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:10:26,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-25 02:10:26,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:12:04,050 WARN L286 SmtUtils]: Spent 24.03s on a formula simplification that was a NOOP. DAG size: 65 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:12:42,526 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 02:12:52,715 WARN L286 SmtUtils]: Spent 10.15s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)