./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4760afdf-6d1c-4332-92dc-3bc4dd6783be/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4760afdf-6d1c-4332-92dc-3bc4dd6783be/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4760afdf-6d1c-4332-92dc-3bc4dd6783be/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4760afdf-6d1c-4332-92dc-3bc4dd6783be/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4760afdf-6d1c-4332-92dc-3bc4dd6783be/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4760afdf-6d1c-4332-92dc-3bc4dd6783be/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash be4e75b70a907f4bb3fe11ead30460ebebe535afde280ea19731f48bb2dd2cd7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:30:17,053 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:30:17,120 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4760afdf-6d1c-4332-92dc-3bc4dd6783be/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 22:30:17,125 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:30:17,126 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:30:17,148 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:30:17,149 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:30:17,150 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:30:17,151 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:30:17,151 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:30:17,152 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:30:17,152 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:30:17,153 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:30:17,153 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:30:17,154 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:30:17,154 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:30:17,155 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:30:17,155 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:30:17,156 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:30:17,156 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:30:17,157 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:30:17,157 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:30:17,158 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:30:17,158 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:30:17,159 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:30:17,159 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:30:17,160 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:30:17,160 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:30:17,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:30:17,161 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:30:17,161 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:30:17,162 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:30:17,162 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:30:17,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:30:17,163 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:30:17,163 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_4760afdf-6d1c-4332-92dc-3bc4dd6783be/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4760afdf-6d1c-4332-92dc-3bc4dd6783be/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be4e75b70a907f4bb3fe11ead30460ebebe535afde280ea19731f48bb2dd2cd7 [2023-12-02 22:30:17,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:30:17,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:30:17,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:30:17,424 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:30:17,424 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:30:17,426 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4760afdf-6d1c-4332-92dc-3bc4dd6783be/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound20.c [2023-12-02 22:30:20,137 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:30:20,303 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:30:20,303 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4760afdf-6d1c-4332-92dc-3bc4dd6783be/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound20.c [2023-12-02 22:30:20,309 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4760afdf-6d1c-4332-92dc-3bc4dd6783be/bin/ukojak-verify-Qdu7aM0XO9/data/ffc171384/342aaff84ce04eedba37c7ca1f13eae9/FLAG62340c707 [2023-12-02 22:30:20,322 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4760afdf-6d1c-4332-92dc-3bc4dd6783be/bin/ukojak-verify-Qdu7aM0XO9/data/ffc171384/342aaff84ce04eedba37c7ca1f13eae9 [2023-12-02 22:30:20,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:30:20,325 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:30:20,326 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:30:20,326 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:30:20,330 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:30:20,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:30:20" (1/1) ... [2023-12-02 22:30:20,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d2f21eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:20, skipping insertion in model container [2023-12-02 22:30:20,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:30:20" (1/1) ... [2023-12-02 22:30:20,351 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:30:20,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:30:20,496 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:30:20,511 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:30:20,525 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:30:20,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:20 WrapperNode [2023-12-02 22:30:20,526 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:30:20,527 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:30:20,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:30:20,528 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:30:20,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:20" (1/1) ... [2023-12-02 22:30:20,542 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:20" (1/1) ... [2023-12-02 22:30:20,560 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2023-12-02 22:30:20,560 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:30:20,561 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:30:20,561 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:30:20,562 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:30:20,569 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:20" (1/1) ... [2023-12-02 22:30:20,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:20" (1/1) ... [2023-12-02 22:30:20,571 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:20" (1/1) ... [2023-12-02 22:30:20,571 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:20" (1/1) ... [2023-12-02 22:30:20,575 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:20" (1/1) ... [2023-12-02 22:30:20,579 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:20" (1/1) ... [2023-12-02 22:30:20,580 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:20" (1/1) ... [2023-12-02 22:30:20,581 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:20" (1/1) ... [2023-12-02 22:30:20,583 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:30:20,584 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:30:20,584 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:30:20,584 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:30:20,585 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:20" (1/1) ... [2023-12-02 22:30:20,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:30:20,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4760afdf-6d1c-4332-92dc-3bc4dd6783be/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:30:20,618 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4760afdf-6d1c-4332-92dc-3bc4dd6783be/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:30:20,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4760afdf-6d1c-4332-92dc-3bc4dd6783be/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:30:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:30:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:30:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:30:20,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:30:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 22:30:20,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 22:30:20,740 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:30:20,742 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:30:20,941 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:30:20,986 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:30:20,986 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:30:20,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:30:20 BoogieIcfgContainer [2023-12-02 22:30:20,988 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:30:20,989 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:30:20,989 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:30:20,999 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:30:20,999 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:30:20" (1/1) ... [2023-12-02 22:30:21,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:30:21,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:21,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 47 states and 51 transitions. [2023-12-02 22:30:21,066 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2023-12-02 22:30:21,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 22:30:21,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:21,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:21,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:30:21,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:21,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:21,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:21,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 47 states and 50 transitions. [2023-12-02 22:30:21,241 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2023-12-02 22:30:21,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 22:30:21,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:21,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:21,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:21,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:21,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 49 states and 53 transitions. [2023-12-02 22:30:21,351 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2023-12-02 22:30:21,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:30:21,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:21,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:21,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:21,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:21,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 52 states and 57 transitions. [2023-12-02 22:30:21,506 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2023-12-02 22:30:21,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 22:30:21,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:21,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:21,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:30:21,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:21,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:21,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:21,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 53 states and 58 transitions. [2023-12-02 22:30:21,602 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2023-12-02 22:30:21,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 22:30:21,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:21,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:21,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 22:30:21,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:21,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:22,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:22,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 58 states and 66 transitions. [2023-12-02 22:30:22,058 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2023-12-02 22:30:22,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:30:22,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:22,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:22,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 22:30:22,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:22,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:22,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:22,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 64 states and 76 transitions. [2023-12-02 22:30:22,715 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 76 transitions. [2023-12-02 22:30:22,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:30:22,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:22,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:22,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:22,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:30:22,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:22,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:23,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:23,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2023-12-02 22:30:23,595 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2023-12-02 22:30:23,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:30:23,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:23,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:23,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:30:23,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:23,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:24,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:24,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 79 states and 102 transitions. [2023-12-02 22:30:24,773 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 102 transitions. [2023-12-02 22:30:24,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 22:30:24,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:24,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:24,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:30:24,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:24,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:27,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:27,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 88 states and 118 transitions. [2023-12-02 22:30:27,014 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 118 transitions. [2023-12-02 22:30:27,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 22:30:27,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:27,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:27,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:30:27,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:27,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:29,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:29,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 98 states and 136 transitions. [2023-12-02 22:30:29,534 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 136 transitions. [2023-12-02 22:30:29,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 22:30:29,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:29,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:29,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:30:29,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:29,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:30,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:30,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 101 states and 142 transitions. [2023-12-02 22:30:30,326 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 142 transitions. [2023-12-02 22:30:30,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 22:30:30,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:30,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:30,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:30:30,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:30,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:31,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:31,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 103 states and 144 transitions. [2023-12-02 22:30:31,253 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 144 transitions. [2023-12-02 22:30:31,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 22:30:31,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:31,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:31,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:30:31,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:31,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:34,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:34,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 112 states and 163 transitions. [2023-12-02 22:30:34,469 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 163 transitions. [2023-12-02 22:30:34,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 22:30:34,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:34,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:34,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:34,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:30:34,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:34,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:36,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:36,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 119 states and 177 transitions. [2023-12-02 22:30:36,910 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 177 transitions. [2023-12-02 22:30:36,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 22:30:36,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:36,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:36,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:30:36,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:36,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:41,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:41,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 128 states and 196 transitions. [2023-12-02 22:30:41,894 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 196 transitions. [2023-12-02 22:30:41,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 22:30:41,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:41,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:41,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:30:41,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:42,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:44,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:44,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 135 states and 210 transitions. [2023-12-02 22:30:44,819 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 210 transitions. [2023-12-02 22:30:44,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 22:30:44,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:44,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:44,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:30:44,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:44,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:48,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:48,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 145 states and 230 transitions. [2023-12-02 22:30:48,789 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 230 transitions. [2023-12-02 22:30:48,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 22:30:48,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:48,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:48,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:30:48,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:48,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:50,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:50,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 147 states and 234 transitions. [2023-12-02 22:30:50,310 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 234 transitions. [2023-12-02 22:30:50,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 22:30:50,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:50,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:50,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:30:50,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:50,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:54,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:54,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 158 states and 263 transitions. [2023-12-02 22:30:54,884 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 263 transitions. [2023-12-02 22:30:54,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 22:30:54,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:54,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:54,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:54,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:30:54,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:54,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:56,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:56,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 162 states and 272 transitions. [2023-12-02 22:30:56,364 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 272 transitions. [2023-12-02 22:30:56,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 22:30:56,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:56,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:56,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:30:56,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:56,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:57,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:57,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 165 states and 277 transitions. [2023-12-02 22:30:57,248 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 277 transitions. [2023-12-02 22:30:57,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 22:30:57,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:57,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:57,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:30:57,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:57,307 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:59,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:59,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 182 states and 320 transitions. [2023-12-02 22:30:59,966 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 320 transitions. [2023-12-02 22:30:59,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 22:30:59,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:59,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:59,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:30:59,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:31:00,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:31:00,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:31:00,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 184 states and 323 transitions. [2023-12-02 22:31:00,614 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 323 transitions. [2023-12-02 22:31:00,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 22:31:00,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:31:00,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:31:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:00,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:31:00,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:31:00,855 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:31:03,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:31:03,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 202 states and 369 transitions. [2023-12-02 22:31:03,454 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 369 transitions. [2023-12-02 22:31:03,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 22:31:03,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:31:03,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:31:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:03,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:31:03,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:31:03,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:31:04,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:31:04,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 206 states and 379 transitions. [2023-12-02 22:31:04,208 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 379 transitions. [2023-12-02 22:31:04,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 22:31:04,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:31:04,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:31:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:04,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 22:31:04,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:31:04,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:31:04,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:31:04,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 207 states and 383 transitions. [2023-12-02 22:31:04,747 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 383 transitions. [2023-12-02 22:31:04,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 22:31:04,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:31:04,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:31:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:04,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:31:04,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:31:04,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:31:09,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:31:09,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 216 states and 406 transitions. [2023-12-02 22:31:09,368 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 406 transitions. [2023-12-02 22:31:09,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 22:31:09,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:31:09,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:31:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:09,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 22:31:09,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:31:13,484 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:31:34,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.86s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 22:32:07,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 22:32:07,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:32:07,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 225 states and 438 transitions. [2023-12-02 22:32:07,048 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 438 transitions. [2023-12-02 22:32:07,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 22:32:07,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:32:07,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:32:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:07,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:32:07,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:32:07,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:32:58,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:32:58,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 233 states and 459 transitions. [2023-12-02 22:32:58,618 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 459 transitions. [2023-12-02 22:32:58,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 22:32:58,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:32:58,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:32:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:58,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 22:32:58,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:33:03,752 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:34:19,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 22:35:56,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 22:36:05,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:36:05,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 241 states and 483 transitions. [2023-12-02 22:36:05,738 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 483 transitions. [2023-12-02 22:36:05,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 22:36:05,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:36:05,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:36:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:05,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 22:36:05,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:36:10,883 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:36:40,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:36:40,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 242 states and 486 transitions. [2023-12-02 22:36:40,586 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 486 transitions. [2023-12-02 22:36:40,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 22:36:40,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:36:40,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:36:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:40,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:36:40,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:36:41,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:36:49,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:36:49,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 252 states and 515 transitions. [2023-12-02 22:36:49,832 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 515 transitions. [2023-12-02 22:36:49,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 22:36:49,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:36:49,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:36:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:49,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:36:49,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:36:49,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:36:51,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:36:51,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 256 states and 523 transitions. [2023-12-02 22:36:51,951 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 523 transitions. [2023-12-02 22:36:51,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 22:36:51,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:36:51,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:36:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:51,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:36:51,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:36:52,000 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 22:38:23,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:38:23,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 264 states and 539 transitions. [2023-12-02 22:38:23,208 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 539 transitions. [2023-12-02 22:38:23,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 22:38:23,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:38:23,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:38:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:38:23,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:38:23,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:38:23,256 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 22:38:56,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:38:56,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 266 states and 544 transitions. [2023-12-02 22:38:56,925 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 544 transitions. [2023-12-02 22:38:56,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 22:38:56,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:38:56,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:38:56,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:38:56,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:38:56,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:38:56,969 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 22:39:32,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:39:32,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 267 states and 547 transitions. [2023-12-02 22:39:32,657 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 547 transitions. [2023-12-02 22:39:32,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 22:39:32,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:39:32,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:39:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:32,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:39:32,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:39:33,551 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:39:46,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:39:46,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 286 states and 602 transitions. [2023-12-02 22:39:46,304 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 602 transitions. [2023-12-02 22:39:46,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 22:39:46,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:39:46,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:39:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:46,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:39:46,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:39:46,353 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 22:42:14,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:14,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 294 states and 619 transitions. [2023-12-02 22:42:14,531 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 619 transitions. [2023-12-02 22:42:14,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 22:42:14,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:14,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:42:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:14,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:42:14,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:14,575 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 22:44:36,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:36,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 296 states and 624 transitions. [2023-12-02 22:44:36,833 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 624 transitions. [2023-12-02 22:44:36,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 22:44:36,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:36,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:44:36,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:36,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:44:36,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:36,877 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 22:44:39,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:39,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 297 states and 627 transitions. [2023-12-02 22:44:39,134 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 627 transitions. [2023-12-02 22:44:39,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 22:44:39,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:39,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:44:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:39,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:44:39,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:39,180 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.