./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound50.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_60da5968-335a-47a4-aa8f-e47e251460c5/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da5968-335a-47a4-aa8f-e47e251460c5/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_60da5968-335a-47a4-aa8f-e47e251460c5/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da5968-335a-47a4-aa8f-e47e251460c5/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da5968-335a-47a4-aa8f-e47e251460c5/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_60da5968-335a-47a4-aa8f-e47e251460c5/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 3b27cf24a9b45c76034fb9a60cae976f5ca5dfa5338fef373d189f4ae84c7ed4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:12:19,257 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:12:19,320 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da5968-335a-47a4-aa8f-e47e251460c5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 23:12:19,324 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:12:19,325 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:12:19,346 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:12:19,347 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:12:19,348 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:12:19,349 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:12:19,349 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:12:19,350 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:12:19,350 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:12:19,351 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:12:19,351 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:12:19,352 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:12:19,352 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:12:19,353 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:12:19,353 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:12:19,354 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:12:19,354 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:12:19,355 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:12:19,355 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:12:19,356 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:12:19,356 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:12:19,356 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:12:19,357 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:12:19,357 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:12:19,358 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:12:19,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:12:19,358 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:12:19,359 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:12:19,359 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:12:19,359 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:12:19,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:12:19,360 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:12:19,360 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_60da5968-335a-47a4-aa8f-e47e251460c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da5968-335a-47a4-aa8f-e47e251460c5/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b27cf24a9b45c76034fb9a60cae976f5ca5dfa5338fef373d189f4ae84c7ed4 [2023-12-02 23:12:19,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:12:19,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:12:19,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:12:19,604 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:12:19,604 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:12:19,605 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da5968-335a-47a4-aa8f-e47e251460c5/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound50.c [2023-12-02 23:12:22,380 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:12:22,546 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:12:22,546 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da5968-335a-47a4-aa8f-e47e251460c5/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound50.c [2023-12-02 23:12:22,554 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da5968-335a-47a4-aa8f-e47e251460c5/bin/ukojak-verify-Qdu7aM0XO9/data/3db0e8fe8/04a2b53b009648c59dee324715fa4af2/FLAG72717c3fb [2023-12-02 23:12:22,570 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da5968-335a-47a4-aa8f-e47e251460c5/bin/ukojak-verify-Qdu7aM0XO9/data/3db0e8fe8/04a2b53b009648c59dee324715fa4af2 [2023-12-02 23:12:22,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:12:22,575 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:12:22,576 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:12:22,576 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:12:22,581 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:12:22,582 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:12:22" (1/1) ... [2023-12-02 23:12:22,584 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cfc39de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:22, skipping insertion in model container [2023-12-02 23:12:22,584 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:12:22" (1/1) ... [2023-12-02 23:12:22,608 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:12:22,786 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:12:22,798 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:12:22,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:12:22,836 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:12:22,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:22 WrapperNode [2023-12-02 23:12:22,836 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:12:22,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:12:22,838 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:12:22,838 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:12:22,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:22" (1/1) ... [2023-12-02 23:12:22,853 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:22" (1/1) ... [2023-12-02 23:12:22,878 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2023-12-02 23:12:22,879 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:12:22,879 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:12:22,880 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:12:22,880 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:12:22,889 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:22" (1/1) ... [2023-12-02 23:12:22,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:22" (1/1) ... [2023-12-02 23:12:22,892 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:22" (1/1) ... [2023-12-02 23:12:22,892 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:22" (1/1) ... [2023-12-02 23:12:22,896 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:22" (1/1) ... [2023-12-02 23:12:22,900 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:22" (1/1) ... [2023-12-02 23:12:22,902 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:22" (1/1) ... [2023-12-02 23:12:22,903 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:22" (1/1) ... [2023-12-02 23:12:22,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:12:22,907 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:12:22,907 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:12:22,907 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:12:22,908 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:22" (1/1) ... [2023-12-02 23:12:22,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:12:22,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da5968-335a-47a4-aa8f-e47e251460c5/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:12:22,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da5968-335a-47a4-aa8f-e47e251460c5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:12:22,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da5968-335a-47a4-aa8f-e47e251460c5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:12:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:12:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:12:22,980 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:12:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:12:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:12:22,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:12:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:12:22,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:12:23,056 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:12:23,058 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:12:23,407 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:12:23,439 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:12:23,439 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:12:23,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:12:23 BoogieIcfgContainer [2023-12-02 23:12:23,441 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:12:23,442 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:12:23,442 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:12:23,452 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:12:23,452 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:12:23" (1/1) ... [2023-12-02 23:12:23,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:12:23,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:23,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 104 states and 112 transitions. [2023-12-02 23:12:23,519 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 112 transitions. [2023-12-02 23:12:23,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 23:12:23,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:23,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:12:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:23,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 23:12:23,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:23,787 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:12:23,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:23,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 106 states and 117 transitions. [2023-12-02 23:12:23,926 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 117 transitions. [2023-12-02 23:12:23,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 23:12:23,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:23,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:12:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:23,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 23:12:23,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:24,093 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:12:24,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:24,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 109 states and 125 transitions. [2023-12-02 23:12:24,441 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2023-12-02 23:12:24,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 23:12:24,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:24,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:12:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:24,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:12:24,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:24,568 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:12:24,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:24,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 113 states and 134 transitions. [2023-12-02 23:12:24,806 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 134 transitions. [2023-12-02 23:12:24,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 23:12:24,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:24,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:12:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:24,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 23:12:24,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:24,907 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:12:25,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:25,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 118 states and 144 transitions. [2023-12-02 23:12:25,255 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 144 transitions. [2023-12-02 23:12:25,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 23:12:25,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:25,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:12:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:25,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:12:25,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:25,365 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:12:25,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:25,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 124 states and 156 transitions. [2023-12-02 23:12:25,896 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 156 transitions. [2023-12-02 23:12:25,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:12:25,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:25,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:12:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:25,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:12:25,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:26,010 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:12:27,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:27,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 131 states and 170 transitions. [2023-12-02 23:12:27,334 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 170 transitions. [2023-12-02 23:12:27,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 23:12:27,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:27,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:12:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:27,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 23:12:27,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:27,462 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:12:28,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:28,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 139 states and 186 transitions. [2023-12-02 23:12:28,722 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 186 transitions. [2023-12-02 23:12:28,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:12:28,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:28,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:12:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:28,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 23:12:28,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:28,841 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:12:28,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:28,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 140 states and 187 transitions. [2023-12-02 23:12:28,870 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 187 transitions. [2023-12-02 23:12:28,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 23:12:28,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:28,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:12:28,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:28,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:12:28,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:28,964 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:12:29,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:29,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 143 states and 192 transitions. [2023-12-02 23:12:29,096 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 192 transitions. [2023-12-02 23:12:29,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:12:29,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:29,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:12:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:29,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:12:29,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:29,176 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:12:29,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:29,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 142 states and 191 transitions. [2023-12-02 23:12:29,328 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2023-12-02 23:12:29,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:12:29,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:29,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:12:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:29,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:12:29,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:29,728 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:12:32,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:32,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 151 states and 209 transitions. [2023-12-02 23:12:32,640 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 209 transitions. [2023-12-02 23:12:32,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:12:32,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:32,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:12:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:32,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:12:32,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:32,714 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:12:32,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:32,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 150 states and 208 transitions. [2023-12-02 23:12:32,812 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 208 transitions. [2023-12-02 23:12:32,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:12:32,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:32,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:12:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:32,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:12:32,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:33,165 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:12:39,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:39,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 161 states and 230 transitions. [2023-12-02 23:12:39,073 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 230 transitions. [2023-12-02 23:12:39,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 23:12:39,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:39,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:12:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:39,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:12:39,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:39,124 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:12:39,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:39,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 164 states and 234 transitions. [2023-12-02 23:12:39,171 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 234 transitions. [2023-12-02 23:12:39,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 23:12:39,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:39,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:12:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:39,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:12:39,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:39,258 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:12:39,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:39,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 163 states and 233 transitions. [2023-12-02 23:12:39,398 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 233 transitions. [2023-12-02 23:12:39,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 23:12:39,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:39,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:12:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:39,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:12:39,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:39,457 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:12:39,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:39,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 166 states and 237 transitions. [2023-12-02 23:12:39,835 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 237 transitions. [2023-12-02 23:12:39,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 23:12:39,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:39,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:12:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:39,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:12:39,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:40,200 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:12:45,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:45,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 177 states and 259 transitions. [2023-12-02 23:12:45,474 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 259 transitions. [2023-12-02 23:12:45,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 23:12:45,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:45,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:12:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:45,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:12:45,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:46,056 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 23:13:02,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:02,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 182 states and 269 transitions. [2023-12-02 23:13:02,143 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 269 transitions. [2023-12-02 23:13:02,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:13:02,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:02,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:13:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:02,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:13:02,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:02,204 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:13:02,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:02,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 185 states and 273 transitions. [2023-12-02 23:13:02,248 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 273 transitions. [2023-12-02 23:13:02,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:13:02,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:02,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:13:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:02,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:13:02,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:02,684 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:13:08,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:08,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 198 states and 300 transitions. [2023-12-02 23:13:08,255 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 300 transitions. [2023-12-02 23:13:08,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:13:08,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:08,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:13:08,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:08,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:13:08,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:08,506 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:13:13,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:13,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 210 states and 324 transitions. [2023-12-02 23:13:13,207 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 324 transitions. [2023-12-02 23:13:13,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:13:13,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:13,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:13:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:13,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:13:13,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:13,388 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:13:16,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:16,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 214 states and 331 transitions. [2023-12-02 23:13:16,046 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 331 transitions. [2023-12-02 23:13:16,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 23:13:16,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:16,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:13:16,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:16,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:13:16,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:17,372 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 23:13:29,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:29,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 213 states and 330 transitions. [2023-12-02 23:13:29,199 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 330 transitions. [2023-12-02 23:13:29,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 23:13:29,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:29,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:13:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:29,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:13:29,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:29,244 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:13:29,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:29,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 217 states and 337 transitions. [2023-12-02 23:13:29,979 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 337 transitions. [2023-12-02 23:13:29,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 23:13:29,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:29,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:13:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:30,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:13:30,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:30,324 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:13:34,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:34,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 230 states and 361 transitions. [2023-12-02 23:13:34,572 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 361 transitions. [2023-12-02 23:13:34,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 23:13:34,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:34,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:13:34,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:34,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 23:13:34,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:35,186 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:13:39,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:39,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 244 states and 386 transitions. [2023-12-02 23:13:39,674 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 386 transitions. [2023-12-02 23:13:39,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 23:13:39,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:39,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:13:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:39,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:13:39,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:39,793 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:13:44,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:44,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 249 states and 396 transitions. [2023-12-02 23:13:44,341 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 396 transitions. [2023-12-02 23:13:44,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 23:13:44,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:44,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:13:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:44,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:13:44,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:44,386 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:13:45,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:45,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 253 states and 402 transitions. [2023-12-02 23:13:45,475 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 402 transitions. [2023-12-02 23:13:45,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 23:13:45,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:45,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:13:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:45,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 23:13:45,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:46,000 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:13:49,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:49,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 268 states and 429 transitions. [2023-12-02 23:13:49,952 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 429 transitions. [2023-12-02 23:13:49,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 23:13:49,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:49,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:13:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:49,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:13:49,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:51,426 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:13:56,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:56,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 280 states and 451 transitions. [2023-12-02 23:13:56,191 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 451 transitions. [2023-12-02 23:13:56,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 23:13:56,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:56,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:13:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:56,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:13:56,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:56,400 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:14:01,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:01,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 286 states and 466 transitions. [2023-12-02 23:14:01,482 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 466 transitions. [2023-12-02 23:14:01,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 23:14:01,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:01,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:14:01,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:01,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:14:01,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:02,747 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:14:05,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:05,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 290 states and 471 transitions. [2023-12-02 23:14:05,350 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 471 transitions. [2023-12-02 23:14:05,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 23:14:05,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:05,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:14:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:05,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:14:05,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:06,748 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:14:11,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:11,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 296 states and 483 transitions. [2023-12-02 23:14:11,633 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 483 transitions. [2023-12-02 23:14:11,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 23:14:11,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:11,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:14:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:11,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:14:11,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:12,904 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:14:20,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:20,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 308 states and 510 transitions. [2023-12-02 23:14:20,617 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 510 transitions. [2023-12-02 23:14:20,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 23:14:20,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:20,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:14:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:20,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:14:20,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:21,877 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:14:24,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:24,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 312 states and 515 transitions. [2023-12-02 23:14:24,343 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 515 transitions. [2023-12-02 23:14:24,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 23:14:24,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:24,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:14:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:24,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:14:24,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:25,347 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:14:32,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:32,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 319 states and 533 transitions. [2023-12-02 23:14:32,956 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 533 transitions. [2023-12-02 23:14:32,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 23:14:32,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:32,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:14:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:32,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:14:32,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:34,154 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:14:38,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:38,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 325 states and 546 transitions. [2023-12-02 23:14:38,053 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 546 transitions. [2023-12-02 23:14:38,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 23:14:38,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:38,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:14:38,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:38,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:14:38,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:38,228 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:14:39,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:39,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 326 states and 548 transitions. [2023-12-02 23:14:39,147 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 548 transitions. [2023-12-02 23:14:39,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 23:14:39,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:39,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:14:39,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:39,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:14:39,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:39,969 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:14:46,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:46,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 329 states and 553 transitions. [2023-12-02 23:14:46,174 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 553 transitions. [2023-12-02 23:14:46,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 23:14:46,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:46,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:14:46,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:46,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 23:14:46,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:47,368 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:14:50,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:50,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 336 states and 565 transitions. [2023-12-02 23:14:50,496 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 565 transitions. [2023-12-02 23:14:50,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 23:14:50,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:50,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:14:50,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:50,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:14:50,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:50,583 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:14:51,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:51,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 338 states and 568 transitions. [2023-12-02 23:14:51,017 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 568 transitions. [2023-12-02 23:14:51,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 23:14:51,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:51,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:14:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:51,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:14:51,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:51,803 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:15:01,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:01,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 344 states and 591 transitions. [2023-12-02 23:15:01,290 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 591 transitions. [2023-12-02 23:15:01,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 23:15:01,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:01,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:15:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:01,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 23:15:01,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:02,230 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:15:08,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:08,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 350 states and 605 transitions. [2023-12-02 23:15:08,200 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 605 transitions. [2023-12-02 23:15:08,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 23:15:08,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:08,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:15:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:08,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 23:15:08,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:09,449 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:15:10,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:10,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 351 states and 605 transitions. [2023-12-02 23:15:10,625 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 605 transitions. [2023-12-02 23:15:10,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 23:15:10,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:10,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:15:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:10,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 23:15:10,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:11,120 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:15:14,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:14,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 361 states and 619 transitions. [2023-12-02 23:15:14,367 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 619 transitions. [2023-12-02 23:15:14,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 23:15:14,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:14,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:15:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:14,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 23:15:14,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:15,497 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:15:24,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:24,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 371 states and 646 transitions. [2023-12-02 23:15:24,529 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 646 transitions. [2023-12-02 23:15:24,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 23:15:24,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:24,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:15:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:24,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 23:15:24,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:25,078 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:15:27,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:27,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 374 states and 649 transitions. [2023-12-02 23:15:27,340 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 649 transitions. [2023-12-02 23:15:27,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 23:15:27,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:27,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:15:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:27,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-02 23:15:27,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:28,937 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:15:32,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:32,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 379 states and 664 transitions. [2023-12-02 23:15:32,204 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 664 transitions. [2023-12-02 23:15:32,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 23:15:32,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:32,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:15:32,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:32,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-02 23:15:32,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:33,591 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:15:35,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:35,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 389 states and 677 transitions. [2023-12-02 23:15:35,806 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 677 transitions. [2023-12-02 23:15:35,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 23:15:35,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:35,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:15:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:35,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 23:15:35,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:36,595 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:15:41,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:41,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 396 states and 698 transitions. [2023-12-02 23:15:41,353 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 698 transitions. [2023-12-02 23:15:41,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 23:15:41,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:41,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:15:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:41,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 23:15:41,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:41,491 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:15:42,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:42,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 397 states and 698 transitions. [2023-12-02 23:15:42,111 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 698 transitions. [2023-12-02 23:15:42,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 23:15:42,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:42,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:15:42,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:42,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-02 23:15:42,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:43,349 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:15:45,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:45,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 399 states and 700 transitions. [2023-12-02 23:15:45,127 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 700 transitions. [2023-12-02 23:15:45,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 23:15:45,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:45,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:15:45,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:45,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:15:45,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:45,177 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 23:15:48,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:48,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 410 states and 716 transitions. [2023-12-02 23:15:48,221 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 716 transitions. [2023-12-02 23:15:48,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 23:15:48,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:48,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:15:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:48,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:15:48,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:49,194 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:15:51,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:51,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 421 states and 729 transitions. [2023-12-02 23:15:51,378 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 729 transitions. [2023-12-02 23:15:51,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 23:15:51,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:51,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:15:51,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:51,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 23:15:51,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:52,530 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:15:54,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:54,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 423 states and 732 transitions. [2023-12-02 23:15:54,616 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 732 transitions. [2023-12-02 23:15:54,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 23:15:54,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:54,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:15:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:54,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 23:15:54,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:54,826 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:15:56,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:56,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 427 states and 745 transitions. [2023-12-02 23:15:56,201 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 745 transitions. [2023-12-02 23:15:56,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 23:15:56,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:56,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:15:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:56,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 23:15:56,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:56,426 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:15:57,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:57,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 428 states and 745 transitions. [2023-12-02 23:15:57,056 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 745 transitions. [2023-12-02 23:15:57,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 23:15:57,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:57,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:15:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:57,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:15:57,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:59,612 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:16:02,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:02,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 429 states and 746 transitions. [2023-12-02 23:16:02,083 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 746 transitions. [2023-12-02 23:16:02,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 23:16:02,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:02,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:02,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:02,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:02,134 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 23:16:05,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:05,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 440 states and 762 transitions. [2023-12-02 23:16:05,541 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 762 transitions. [2023-12-02 23:16:05,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 23:16:05,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:05,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:05,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:05,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:07,109 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:16:12,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:12,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 452 states and 786 transitions. [2023-12-02 23:16:12,510 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 786 transitions. [2023-12-02 23:16:12,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 23:16:12,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:12,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:12,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:16:12,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:14,621 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:16:16,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:16,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 453 states and 788 transitions. [2023-12-02 23:16:16,967 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 788 transitions. [2023-12-02 23:16:16,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 23:16:16,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:16,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:16,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:16:16,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:17,316 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:16:18,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:18,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 457 states and 796 transitions. [2023-12-02 23:16:18,887 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 796 transitions. [2023-12-02 23:16:18,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 23:16:18,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:18,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:18,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:16:18,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:19,234 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:16:20,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:20,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 458 states and 796 transitions. [2023-12-02 23:16:20,091 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 796 transitions. [2023-12-02 23:16:20,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 23:16:20,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:20,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:20,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 23:16:20,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:21,814 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:16:43,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:43,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 465 states and 813 transitions. [2023-12-02 23:16:43,953 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 813 transitions. [2023-12-02 23:16:43,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 23:16:43,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:43,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:43,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:43,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:16:43,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:43,999 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:17:06,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:06,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 480 states and 839 transitions. [2023-12-02 23:17:06,146 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 839 transitions. [2023-12-02 23:17:06,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 23:17:06,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:06,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:06,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 23:17:06,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:07,858 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:17:26,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:26,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 487 states and 857 transitions. [2023-12-02 23:17:26,940 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 857 transitions. [2023-12-02 23:17:26,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 23:17:26,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:26,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:26,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:26,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 23:17:26,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:27,343 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:17:29,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:29,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 491 states and 863 transitions. [2023-12-02 23:17:29,761 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 863 transitions. [2023-12-02 23:17:29,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 23:17:29,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:29,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:29,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 23:17:29,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:30,076 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:17:30,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:30,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 492 states and 863 transitions. [2023-12-02 23:17:30,961 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 863 transitions. [2023-12-02 23:17:30,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 23:17:30,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:30,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:30,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:17:30,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:31,015 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:17:37,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:37,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 506 states and 885 transitions. [2023-12-02 23:17:37,977 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 885 transitions. [2023-12-02 23:17:37,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 23:17:37,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:37,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:37,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:17:37,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:38,025 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:18:11,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:11,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 519 states and 909 transitions. [2023-12-02 23:18:11,519 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 909 transitions. [2023-12-02 23:18:11,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 23:18:11,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:11,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:18:11,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:11,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 23:18:11,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:12,255 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:18:16,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:16,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 524 states and 923 transitions. [2023-12-02 23:18:16,983 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 923 transitions. [2023-12-02 23:18:16,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 23:18:16,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:16,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:18:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:17,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:18:17,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:17,034 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:18:26,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:26,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 538 states and 946 transitions. [2023-12-02 23:18:26,276 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 946 transitions. [2023-12-02 23:18:26,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 23:18:26,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:26,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:18:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:26,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:18:26,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:26,325 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:18:27,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:27,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 542 states and 953 transitions. [2023-12-02 23:18:27,885 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 953 transitions. [2023-12-02 23:18:27,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 23:18:27,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:27,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:18:27,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:27,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:18:27,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:27,935 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:18:29,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:29,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 543 states and 953 transitions. [2023-12-02 23:18:29,206 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 953 transitions. [2023-12-02 23:18:29,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 23:18:29,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:29,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:18:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:29,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:18:29,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:29,256 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:18:36,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:36,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 550 states and 967 transitions. [2023-12-02 23:18:36,236 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 967 transitions. [2023-12-02 23:18:36,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:18:36,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:36,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:18:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:36,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-02 23:18:36,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:37,336 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:18:42,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:42,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 553 states and 989 transitions. [2023-12-02 23:18:42,216 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 989 transitions. [2023-12-02 23:18:42,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:18:42,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:42,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:18:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:42,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:18:42,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:42,271 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:18:50,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:50,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 560 states and 1003 transitions. [2023-12-02 23:18:50,658 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 1003 transitions. [2023-12-02 23:18:50,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:18:50,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:50,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:18:50,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:50,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:18:50,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:50,702 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:18:53,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:53,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 564 states and 1011 transitions. [2023-12-02 23:18:53,612 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 1011 transitions. [2023-12-02 23:18:53,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:18:53,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:53,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:18:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:53,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:18:53,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:53,665 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:18:55,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:55,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 565 states and 1011 transitions. [2023-12-02 23:18:55,036 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 1011 transitions. [2023-12-02 23:18:55,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 23:18:55,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:55,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:18:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:55,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:18:55,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:56,871 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:19:03,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:03,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 572 states and 1026 transitions. [2023-12-02 23:19:03,986 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 1026 transitions. [2023-12-02 23:19:03,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 23:19:03,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:03,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:19:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:04,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 23:19:04,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:04,284 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:19:05,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:05,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 575 states and 1034 transitions. [2023-12-02 23:19:05,206 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 1034 transitions. [2023-12-02 23:19:05,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 23:19:05,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:05,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:19:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:05,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 23:19:05,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:06,812 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:19:09,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:09,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 577 states and 1037 transitions. [2023-12-02 23:19:09,237 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 1037 transitions. [2023-12-02 23:19:09,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 23:19:09,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:09,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:19:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:09,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 23:19:09,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:10,406 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:19:11,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:11,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 581 states and 1045 transitions. [2023-12-02 23:19:11,135 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 1045 transitions. [2023-12-02 23:19:11,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 23:19:11,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:11,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:19:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:11,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:19:11,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:11,188 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 23:19:11,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:11,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 556 states and 1002 transitions. [2023-12-02 23:19:11,308 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 1002 transitions. [2023-12-02 23:19:11,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 23:19:11,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:11,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:19:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:11,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 23:19:11,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:13,854 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:19:15,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:15,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 557 states and 1004 transitions. [2023-12-02 23:19:15,906 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 1004 transitions. [2023-12-02 23:19:15,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 23:19:15,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:15,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:19:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:15,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 23:19:15,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:16,323 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:19:17,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:17,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 561 states and 1007 transitions. [2023-12-02 23:19:17,186 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 1007 transitions. [2023-12-02 23:19:17,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 23:19:17,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:17,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:19:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:17,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:19:17,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:18,866 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 23:19:34,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:34,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 569 states and 1028 transitions. [2023-12-02 23:19:34,064 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 1028 transitions. [2023-12-02 23:19:34,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 23:19:34,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:34,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:19:34,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:34,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 23:19:34,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:36,301 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:19:57,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:57,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 576 states and 1045 transitions. [2023-12-02 23:19:57,501 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 1045 transitions. [2023-12-02 23:19:57,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 23:19:57,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:57,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:19:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:57,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 23:19:57,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:57,839 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:20:00,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:00,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 580 states and 1052 transitions. [2023-12-02 23:20:00,553 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 1052 transitions. [2023-12-02 23:20:00,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 23:20:00,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:00,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:20:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:00,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 23:20:00,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:01,016 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:20:01,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:01,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 584 states and 1057 transitions. [2023-12-02 23:20:01,895 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 1057 transitions. [2023-12-02 23:20:01,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 23:20:01,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:01,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:20:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:01,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 23:20:01,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:02,297 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:20:03,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:03,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 585 states and 1057 transitions. [2023-12-02 23:20:03,270 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 1057 transitions. [2023-12-02 23:20:03,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 23:20:03,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:03,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:20:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:03,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:20:03,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:04,711 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 23:20:07,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:07,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 588 states and 1060 transitions. [2023-12-02 23:20:07,375 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 1060 transitions. [2023-12-02 23:20:07,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 23:20:07,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:07,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:20:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:07,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:20:07,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:08,279 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 23:20:23,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:23,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 597 states and 1083 transitions. [2023-12-02 23:20:23,317 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1083 transitions. [2023-12-02 23:20:23,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 23:20:23,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:23,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:20:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:23,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:20:23,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:23,379 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:20:30,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:30,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 604 states and 1096 transitions. [2023-12-02 23:20:30,752 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1096 transitions. [2023-12-02 23:20:30,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 23:20:30,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:30,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:20:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:30,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:20:30,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:30,817 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:20:32,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:32,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 608 states and 1101 transitions. [2023-12-02 23:20:32,435 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 1101 transitions. [2023-12-02 23:20:32,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 23:20:32,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:32,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:20:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:32,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:20:32,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:32,487 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:20:35,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:35,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 612 states and 1108 transitions. [2023-12-02 23:20:35,534 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 1108 transitions. [2023-12-02 23:20:35,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 23:20:35,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:35,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:20:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:35,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:20:35,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:35,599 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:20:37,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:37,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 613 states and 1108 transitions. [2023-12-02 23:20:37,206 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 1108 transitions. [2023-12-02 23:20:37,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:20:37,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:37,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:20:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:37,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:20:37,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:38,497 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 23:20:51,092 WARN L293 SmtUtils]: Spent 10.92s on a formula simplification. DAG size of input: 34 DAG size of output: 32 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:21:03,345 WARN L293 SmtUtils]: Spent 10.55s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:21:13,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:13,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 617 states and 1121 transitions. [2023-12-02 23:21:13,738 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 1121 transitions. [2023-12-02 23:21:13,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:21:13,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:13,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:21:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:13,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:21:13,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:14,157 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 23:21:16,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:16,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 620 states and 1129 transitions. [2023-12-02 23:21:16,765 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 1129 transitions. [2023-12-02 23:21:16,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:21:16,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:16,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:21:16,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:16,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 23:21:16,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:18,312 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 23:21:29,575 WARN L293 SmtUtils]: Spent 10.27s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:21:47,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:47,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 629 states and 1150 transitions. [2023-12-02 23:21:47,013 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 1150 transitions. [2023-12-02 23:21:47,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:21:47,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:47,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:21:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:47,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:21:47,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:47,070 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:21:54,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:54,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 636 states and 1163 transitions. [2023-12-02 23:21:54,906 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 1163 transitions. [2023-12-02 23:21:54,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:21:54,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:54,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:21:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:54,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:21:54,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:54,966 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:21:56,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:56,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 640 states and 1168 transitions. [2023-12-02 23:21:56,475 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1168 transitions. [2023-12-02 23:21:56,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:21:56,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:56,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:21:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:56,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:21:56,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:56,530 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:21:59,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:59,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 644 states and 1175 transitions. [2023-12-02 23:21:59,672 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 1175 transitions. [2023-12-02 23:21:59,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:21:59,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:59,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:21:59,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:59,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:21:59,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:59,724 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:22:01,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:01,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 645 states and 1175 transitions. [2023-12-02 23:22:01,252 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 1175 transitions. [2023-12-02 23:22:01,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:22:01,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:01,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:01,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 23:22:01,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:02,604 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:22:06,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:06,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 650 states and 1184 transitions. [2023-12-02 23:22:06,036 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 1184 transitions. [2023-12-02 23:22:06,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:22:06,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:06,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:06,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:22:06,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:06,495 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 23:22:30,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:30,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 661 states and 1215 transitions. [2023-12-02 23:22:30,964 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 1215 transitions. [2023-12-02 23:22:30,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:22:30,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:30,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:30,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 23:22:30,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:31,085 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:22:44,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:44,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 669 states and 1239 transitions. [2023-12-02 23:22:44,697 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 1239 transitions. [2023-12-02 23:22:44,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:22:44,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:44,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:44,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:22:44,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:45,359 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 23:22:47,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:47,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 671 states and 1243 transitions. [2023-12-02 23:22:47,782 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 1243 transitions. [2023-12-02 23:22:47,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:22:47,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:47,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:47,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:22:47,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:49,024 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 23:22:59,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:59,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 675 states and 1254 transitions. [2023-12-02 23:22:59,138 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 1254 transitions. [2023-12-02 23:22:59,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:22:59,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:59,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:59,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:59,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 23:22:59,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:59,259 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:23:11,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:11,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 677 states and 1258 transitions. [2023-12-02 23:23:11,875 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 1258 transitions. [2023-12-02 23:23:11,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:23:11,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:11,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:23:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:11,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:23:11,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:11,948 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 23:23:12,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:12,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 680 states and 1267 transitions. [2023-12-02 23:23:12,027 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1267 transitions. [2023-12-02 23:23:12,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:23:12,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:12,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:23:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:12,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:23:12,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:12,085 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 23:23:17,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:17,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 685 states and 1276 transitions. [2023-12-02 23:23:17,136 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 1276 transitions. [2023-12-02 23:23:17,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:23:17,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:17,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:23:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:17,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 23:23:17,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:17,255 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:23:25,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:25,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 691 states and 1287 transitions. [2023-12-02 23:23:25,638 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 1287 transitions. [2023-12-02 23:23:25,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:23:25,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:25,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:23:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:25,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:23:25,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:26,196 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 23:23:31,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:31,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 693 states and 1289 transitions. [2023-12-02 23:23:31,258 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 1289 transitions. [2023-12-02 23:23:31,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:23:31,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:31,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:23:31,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:31,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:23:31,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:33,506 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 23:23:37,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:37,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 696 states and 1293 transitions. [2023-12-02 23:23:37,141 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 1293 transitions. [2023-12-02 23:23:37,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:23:37,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:37,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:23:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:37,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:23:37,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:40,686 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 23:24:27,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:24:27,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 705 states and 1314 transitions. [2023-12-02 23:24:27,291 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 1314 transitions. [2023-12-02 23:24:27,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:24:27,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:24:27,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:24:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:27,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:24:27,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:24:27,343 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 23:24:51,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:24:51,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 711 states and 1327 transitions. [2023-12-02 23:24:51,135 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 1327 transitions. [2023-12-02 23:24:51,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:24:51,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:24:51,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:24:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:51,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:24:51,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:24:51,189 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 23:24:55,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:24:55,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 713 states and 1334 transitions. [2023-12-02 23:24:55,048 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 1334 transitions. [2023-12-02 23:24:55,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:24:55,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:24:55,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:24:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:55,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:24:55,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:24:56,799 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 23:25:12,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:25:12,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 727 states and 1378 transitions. [2023-12-02 23:25:12,846 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1378 transitions. [2023-12-02 23:25:12,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:25:12,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:25:12,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:25:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:25:12,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:25:12,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:25:12,897 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 23:25:30,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:25:30,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 729 states and 1382 transitions. [2023-12-02 23:25:30,173 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1382 transitions. [2023-12-02 23:25:30,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:25:30,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:25:30,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:25:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:25:30,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:25:30,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:25:31,619 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 23:25:40,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:25:40,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 732 states and 1391 transitions. [2023-12-02 23:25:40,075 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1391 transitions. [2023-12-02 23:25:40,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:25:40,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:25:40,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:25:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:25:40,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:25:40,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:25:40,122 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 23:26:04,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:26:04,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 736 states and 1405 transitions. [2023-12-02 23:26:04,464 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 1405 transitions. [2023-12-02 23:26:04,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:26:04,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:26:04,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:26:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:26:04,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 23:26:04,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:26:07,595 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:26:25,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:26:25,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 748 states and 1434 transitions. [2023-12-02 23:26:25,752 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1434 transitions. [2023-12-02 23:26:25,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:26:25,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:26:25,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:26:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:26:25,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 23:26:25,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:26:27,988 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:26:41,377 WARN L293 SmtUtils]: Spent 10.15s on a formula simplification. DAG size of input: 40 DAG size of output: 39 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)