./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_203b856c-a0b9-43aa-b2b0-ce3164c58c48/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_203b856c-a0b9-43aa-b2b0-ce3164c58c48/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_203b856c-a0b9-43aa-b2b0-ce3164c58c48/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_203b856c-a0b9-43aa-b2b0-ce3164c58c48/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_203b856c-a0b9-43aa-b2b0-ce3164c58c48/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_203b856c-a0b9-43aa-b2b0-ce3164c58c48/bin/ukojak-verify-G8NBE6pJGL --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 870f3f117c59e986b23526e49a2d44ed8c8e543941d3d310e77e3939c7927e70 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:00:49,959 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:00:50,088 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_203b856c-a0b9-43aa-b2b0-ce3164c58c48/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:00:50,097 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:00:50,098 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:00:50,165 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:00:50,166 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:00:50,167 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:00:50,168 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:00:50,175 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:00:50,176 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:00:50,176 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:00:50,177 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:00:50,179 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:00:50,179 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:00:50,179 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:00:50,180 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:00:50,180 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:00:50,181 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:00:50,181 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:00:50,182 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:00:50,182 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:00:50,183 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:00:50,190 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:00:50,191 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:00:50,192 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:00:50,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:50,192 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:00:50,193 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:00:50,193 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:00:50,194 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:00:50,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:00:50,195 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:00:50,196 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_203b856c-a0b9-43aa-b2b0-ce3164c58c48/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_203b856c-a0b9-43aa-b2b0-ce3164c58c48/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 870f3f117c59e986b23526e49a2d44ed8c8e543941d3d310e77e3939c7927e70 [2023-11-19 04:00:50,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:00:50,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:00:50,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:00:50,550 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:00:50,550 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:00:50,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_203b856c-a0b9-43aa-b2b0-ce3164c58c48/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound50.c [2023-11-19 04:00:53,777 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:00:54,102 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:00:54,104 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_203b856c-a0b9-43aa-b2b0-ce3164c58c48/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound50.c [2023-11-19 04:00:54,119 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_203b856c-a0b9-43aa-b2b0-ce3164c58c48/bin/ukojak-verify-G8NBE6pJGL/data/f0d4ecae5/0bee2d2a27b2413789f443533f7edf88/FLAGf30e7883d [2023-11-19 04:00:54,145 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_203b856c-a0b9-43aa-b2b0-ce3164c58c48/bin/ukojak-verify-G8NBE6pJGL/data/f0d4ecae5/0bee2d2a27b2413789f443533f7edf88 [2023-11-19 04:00:54,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:00:54,157 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:00:54,159 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:54,159 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:00:54,166 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:00:54,167 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:54" (1/1) ... [2023-11-19 04:00:54,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20157ebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:54, skipping insertion in model container [2023-11-19 04:00:54,170 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:54" (1/1) ... [2023-11-19 04:00:54,201 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:00:54,412 WARN L240 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_203b856c-a0b9-43aa-b2b0-ce3164c58c48/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound50.c[458,471] [2023-11-19 04:00:54,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:54,447 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:00:54,463 WARN L240 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_203b856c-a0b9-43aa-b2b0-ce3164c58c48/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound50.c[458,471] [2023-11-19 04:00:54,482 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:54,498 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:00:54,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:54 WrapperNode [2023-11-19 04:00:54,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:54,500 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:54,500 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:00:54,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:00:54,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:54" (1/1) ... [2023-11-19 04:00:54,512 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:54" (1/1) ... [2023-11-19 04:00:54,527 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2023-11-19 04:00:54,528 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:54,529 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:00:54,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:00:54,529 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:00:54,538 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:54" (1/1) ... [2023-11-19 04:00:54,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:54" (1/1) ... [2023-11-19 04:00:54,540 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:54" (1/1) ... [2023-11-19 04:00:54,540 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:54" (1/1) ... [2023-11-19 04:00:54,545 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:54" (1/1) ... [2023-11-19 04:00:54,548 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:54" (1/1) ... [2023-11-19 04:00:54,549 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:54" (1/1) ... [2023-11-19 04:00:54,550 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:54" (1/1) ... [2023-11-19 04:00:54,559 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:00:54,560 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:00:54,560 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:00:54,560 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:00:54,561 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:54" (1/1) ... [2023-11-19 04:00:54,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:54,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_203b856c-a0b9-43aa-b2b0-ce3164c58c48/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:00:54,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_203b856c-a0b9-43aa-b2b0-ce3164c58c48/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:00:54,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_203b856c-a0b9-43aa-b2b0-ce3164c58c48/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:00:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:00:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:00:54,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:00:54,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:00:54,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:00:54,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:00:54,698 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:00:54,700 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:00:54,829 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:00:54,848 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:00:54,848 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:00:54,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:54 BoogieIcfgContainer [2023-11-19 04:00:54,853 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:00:54,854 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:00:54,854 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:00:54,864 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:00:54,865 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:54" (1/1) ... [2023-11-19 04:00:54,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:00:54,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:54,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2023-11-19 04:00:54,924 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2023-11-19 04:00:54,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:00:54,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:54,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:55,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:55,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:55,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:00:55,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:55,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:55,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:55,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-11-19 04:00:55,105 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-11-19 04:00:55,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:00:55,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:55,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:55,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:00:55,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:55,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:55,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:55,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-19 04:00:55,272 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-19 04:00:55,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:00:55,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:55,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:55,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:55,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:00:55,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:55,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:55,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:55,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-11-19 04:00:55,746 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-11-19 04:00:55,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:00:55,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:55,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:55,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:00:55,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:55,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:55,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:55,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2023-11-19 04:00:55,916 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2023-11-19 04:00:55,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:00:55,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:55,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:55,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:00:55,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:56,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:56,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:56,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 32 states and 62 transitions. [2023-11-19 04:00:56,792 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 62 transitions. [2023-11-19 04:00:56,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:00:56,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:56,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:56,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:56,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:00:56,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:56,943 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:57,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:57,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 36 states and 73 transitions. [2023-11-19 04:00:57,509 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 73 transitions. [2023-11-19 04:00:57,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:00:57,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:57,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:57,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:00:57,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:57,619 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:58,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:58,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 38 states and 74 transitions. [2023-11-19 04:00:58,013 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 74 transitions. [2023-11-19 04:00:58,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:00:58,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:58,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:58,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:00:58,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:58,144 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:00:58,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:58,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 40 states and 84 transitions. [2023-11-19 04:00:58,288 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 84 transitions. [2023-11-19 04:00:58,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:00:58,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:58,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:58,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 04:00:58,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:58,853 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:01:01,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:01,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 53 states and 125 transitions. [2023-11-19 04:01:01,318 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 125 transitions. [2023-11-19 04:01:01,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:01:01,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:01,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:01,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:01,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 04:01:01,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:01,476 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:01:02,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:02,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 55 states and 127 transitions. [2023-11-19 04:01:02,197 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 127 transitions. [2023-11-19 04:01:02,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:01:02,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:02,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:02,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:02,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:01:02,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:02,400 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:01:03,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:03,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 59 states and 140 transitions. [2023-11-19 04:01:03,392 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 140 transitions. [2023-11-19 04:01:03,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:01:03,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:03,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:03,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:03,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:01:03,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:03,491 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:01:04,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:04,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 61 states and 142 transitions. [2023-11-19 04:01:04,043 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 142 transitions. [2023-11-19 04:01:04,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:01:04,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:04,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:04,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:01:04,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:04,246 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:05,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:05,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 65 states and 160 transitions. [2023-11-19 04:01:05,158 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 160 transitions. [2023-11-19 04:01:05,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:01:05,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:05,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:05,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:01:05,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:05,237 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:01:05,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:05,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 67 states and 162 transitions. [2023-11-19 04:01:05,827 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-11-19 04:01:05,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:01:05,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:05,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:05,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:01:05,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:05,926 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:07,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:07,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 71 states and 185 transitions. [2023-11-19 04:01:07,340 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 185 transitions. [2023-11-19 04:01:07,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:01:07,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:07,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:07,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:07,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:01:07,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:07,541 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 04:01:08,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:08,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 73 states and 198 transitions. [2023-11-19 04:01:08,313 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 198 transitions. [2023-11-19 04:01:08,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 04:01:08,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:08,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:08,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:08,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 04:01:08,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:08,850 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:01:11,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:11,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 82 states and 240 transitions. [2023-11-19 04:01:11,476 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2023-11-19 04:01:11,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 04:01:11,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:11,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:11,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 04:01:11,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:11,619 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:01:13,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:13,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 86 states and 243 transitions. [2023-11-19 04:01:13,144 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 243 transitions. [2023-11-19 04:01:13,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 04:01:13,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:13,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:13,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 04:01:13,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:13,328 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:01:14,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:14,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 88 states and 245 transitions. [2023-11-19 04:01:14,083 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 245 transitions. [2023-11-19 04:01:14,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:01:14,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:14,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:14,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 04:01:14,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:14,306 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:01:15,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:15,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 92 states and 262 transitions. [2023-11-19 04:01:15,606 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 262 transitions. [2023-11-19 04:01:15,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:01:15,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:15,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:15,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 04:01:15,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:15,744 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:01:16,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:16,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 94 states and 264 transitions. [2023-11-19 04:01:16,523 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 264 transitions. [2023-11-19 04:01:16,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:01:16,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:16,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:16,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:01:16,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:16,823 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:18,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:18,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 98 states and 289 transitions. [2023-11-19 04:01:18,394 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 289 transitions. [2023-11-19 04:01:18,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:01:18,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:18,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:18,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 04:01:18,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:18,510 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:01:19,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:19,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 100 states and 291 transitions. [2023-11-19 04:01:19,317 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 291 transitions. [2023-11-19 04:01:19,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:01:19,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:19,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:19,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:01:19,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:19,381 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:20,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:20,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 104 states and 324 transitions. [2023-11-19 04:01:20,963 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 324 transitions. [2023-11-19 04:01:20,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:01:20,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:20,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:21,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 04:01:21,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:21,088 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:01:21,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:21,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 106 states and 326 transitions. [2023-11-19 04:01:21,923 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 326 transitions. [2023-11-19 04:01:21,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:01:21,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:21,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:21,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:01:21,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:22,003 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:22,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:22,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 106 states and 325 transitions. [2023-11-19 04:01:22,429 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 325 transitions. [2023-11-19 04:01:22,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 04:01:22,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:22,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:22,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:22,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:01:22,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:22,496 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 04:01:23,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:23,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 107 states and 331 transitions. [2023-11-19 04:01:23,118 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 331 transitions. [2023-11-19 04:01:23,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:01:23,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:23,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:23,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 04:01:23,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:23,799 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:01:28,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:28,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 116 states and 384 transitions. [2023-11-19 04:01:28,171 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 384 transitions. [2023-11-19 04:01:28,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:01:28,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:28,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:28,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:28,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 04:01:28,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:28,304 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:01:30,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:30,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 120 states and 387 transitions. [2023-11-19 04:01:30,226 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 387 transitions. [2023-11-19 04:01:30,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:01:30,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:30,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:30,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 04:01:30,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:30,374 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 7 proven. 34 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 04:01:31,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:31,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 122 states and 389 transitions. [2023-11-19 04:01:31,432 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 389 transitions. [2023-11-19 04:01:31,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:01:31,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:31,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:31,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 04:01:31,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:31,618 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:01:32,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:32,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 124 states and 391 transitions. [2023-11-19 04:01:32,642 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 391 transitions. [2023-11-19 04:01:32,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:01:32,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:32,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:32,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 04:01:32,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:33,019 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 18 proven. 26 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:01:34,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:34,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 126 states and 392 transitions. [2023-11-19 04:01:34,474 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 392 transitions. [2023-11-19 04:01:34,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:01:34,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:34,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:34,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 04:01:34,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:35,193 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 04:01:37,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:37,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 130 states and 413 transitions. [2023-11-19 04:01:37,583 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 413 transitions. [2023-11-19 04:01:37,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:01:37,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:37,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:37,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:37,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:01:37,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:37,732 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:01:39,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:39,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 132 states and 415 transitions. [2023-11-19 04:01:39,091 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 415 transitions. [2023-11-19 04:01:39,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:01:39,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:39,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:39,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 04:01:39,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:39,267 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 15 proven. 41 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:01:40,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:40,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 134 states and 417 transitions. [2023-11-19 04:01:40,445 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 417 transitions. [2023-11-19 04:01:40,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:01:40,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:40,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:40,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:01:40,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:40,606 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:01:42,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:42,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 136 states and 419 transitions. [2023-11-19 04:01:42,096 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 419 transitions. [2023-11-19 04:01:42,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:01:42,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:42,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:42,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:01:42,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:42,585 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:44,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:44,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 140 states and 451 transitions. [2023-11-19 04:01:44,655 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 451 transitions. [2023-11-19 04:01:44,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:01:44,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:44,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:44,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:01:44,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:44,819 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.