./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94cb420-3824-42b3-8215-70744507de9d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94cb420-3824-42b3-8215-70744507de9d/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_b94cb420-3824-42b3-8215-70744507de9d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94cb420-3824-42b3-8215-70744507de9d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94cb420-3824-42b3-8215-70744507de9d/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_b94cb420-3824-42b3-8215-70744507de9d/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 7f12bfc45347636ba11cd9198984e4ca6a9fb471afaf773fd02be6e88eb44e8c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:51:05,365 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:51:05,427 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94cb420-3824-42b3-8215-70744507de9d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 21:51:05,431 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:51:05,432 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:51:05,454 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:51:05,454 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:51:05,455 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:51:05,456 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:51:05,456 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:51:05,457 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:51:05,458 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:51:05,458 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:51:05,459 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:51:05,459 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:51:05,460 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:51:05,460 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:51:05,461 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:51:05,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:51:05,461 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:51:05,462 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:51:05,463 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:51:05,463 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:51:05,463 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:51:05,464 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:51:05,464 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:51:05,464 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:51:05,465 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:51:05,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:51:05,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:51:05,466 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:51:05,466 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:51:05,466 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:51:05,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:51:05,467 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:51:05,467 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_b94cb420-3824-42b3-8215-70744507de9d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94cb420-3824-42b3-8215-70744507de9d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f12bfc45347636ba11cd9198984e4ca6a9fb471afaf773fd02be6e88eb44e8c [2023-12-02 21:51:05,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:51:05,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:51:05,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:51:05,692 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:51:05,692 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:51:05,694 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94cb420-3824-42b3-8215-70744507de9d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c [2023-12-02 21:51:08,506 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:51:08,685 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:51:08,686 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94cb420-3824-42b3-8215-70744507de9d/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c [2023-12-02 21:51:08,692 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94cb420-3824-42b3-8215-70744507de9d/bin/ukojak-verify-Qdu7aM0XO9/data/6cd3b6496/8a4e3fba41664ffc8fa8c48640d769b6/FLAG5dfecc30d [2023-12-02 21:51:08,704 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94cb420-3824-42b3-8215-70744507de9d/bin/ukojak-verify-Qdu7aM0XO9/data/6cd3b6496/8a4e3fba41664ffc8fa8c48640d769b6 [2023-12-02 21:51:08,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:51:08,708 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:51:08,709 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:51:08,709 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:51:08,713 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:51:08,714 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:51:08" (1/1) ... [2023-12-02 21:51:08,715 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ecb55a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:08, skipping insertion in model container [2023-12-02 21:51:08,715 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:51:08" (1/1) ... [2023-12-02 21:51:08,733 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:51:08,870 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:51:08,880 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:51:08,900 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:51:08,912 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:51:08,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:08 WrapperNode [2023-12-02 21:51:08,912 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:51:08,913 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:51:08,913 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:51:08,913 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:51:08,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:08" (1/1) ... [2023-12-02 21:51:08,926 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:08" (1/1) ... [2023-12-02 21:51:08,953 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 110 [2023-12-02 21:51:08,953 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:51:08,954 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:51:08,954 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:51:08,954 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:51:08,961 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:08" (1/1) ... [2023-12-02 21:51:08,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:08" (1/1) ... [2023-12-02 21:51:08,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:08" (1/1) ... [2023-12-02 21:51:08,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:08" (1/1) ... [2023-12-02 21:51:08,968 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:08" (1/1) ... [2023-12-02 21:51:08,971 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:08" (1/1) ... [2023-12-02 21:51:08,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:08" (1/1) ... [2023-12-02 21:51:08,975 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:08" (1/1) ... [2023-12-02 21:51:08,977 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:51:08,978 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:51:08,978 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:51:08,978 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:51:08,979 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:08" (1/1) ... [2023-12-02 21:51:08,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:51:09,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94cb420-3824-42b3-8215-70744507de9d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:51:09,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94cb420-3824-42b3-8215-70744507de9d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:51:09,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94cb420-3824-42b3-8215-70744507de9d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:51:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:51:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:51:09,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:51:09,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:51:09,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 21:51:09,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 21:51:09,104 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:51:09,106 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:51:09,411 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:51:09,452 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:51:09,452 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:51:09,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:51:09 BoogieIcfgContainer [2023-12-02 21:51:09,454 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:51:09,455 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:51:09,455 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:51:09,463 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:51:09,463 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:51:09" (1/1) ... [2023-12-02 21:51:09,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:51:09,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:09,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 102 states and 109 transitions. [2023-12-02 21:51:09,519 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 109 transitions. [2023-12-02 21:51:09,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 21:51:09,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:09,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:09,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:09,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:51:09,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:09,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:51:09,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:09,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 102 states and 108 transitions. [2023-12-02 21:51:09,681 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 108 transitions. [2023-12-02 21:51:09,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 21:51:09,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:09,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:09,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:51:09,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:09,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 104 states and 114 transitions. [2023-12-02 21:51:09,783 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 114 transitions. [2023-12-02 21:51:09,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:51:09,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:09,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:09,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:51:09,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:09,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 107 states and 121 transitions. [2023-12-02 21:51:09,930 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 121 transitions. [2023-12-02 21:51:09,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:51:09,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:09,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:09,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:51:09,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:09,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:51:10,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:10,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 108 states and 122 transitions. [2023-12-02 21:51:10,004 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 122 transitions. [2023-12-02 21:51:10,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:51:10,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:10,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:10,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:51:10,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:10,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:51:10,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:10,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 113 states and 133 transitions. [2023-12-02 21:51:10,456 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 133 transitions. [2023-12-02 21:51:10,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:51:10,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:10,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:10,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:51:10,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:10,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:51:11,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:11,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 119 states and 146 transitions. [2023-12-02 21:51:11,117 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 146 transitions. [2023-12-02 21:51:11,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:51:11,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:11,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:11,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:11,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 21:51:11,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:11,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:51:12,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:12,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 126 states and 160 transitions. [2023-12-02 21:51:12,058 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 160 transitions. [2023-12-02 21:51:12,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:51:12,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:12,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:12,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 21:51:12,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:12,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:51:12,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:12,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 127 states and 161 transitions. [2023-12-02 21:51:12,356 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 161 transitions. [2023-12-02 21:51:12,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 21:51:12,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:12,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:12,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:51:12,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:12,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:51:13,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:13,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 136 states and 178 transitions. [2023-12-02 21:51:13,725 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 178 transitions. [2023-12-02 21:51:13,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 21:51:13,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:13,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:13,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:51:13,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:13,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:51:15,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:15,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 146 states and 197 transitions. [2023-12-02 21:51:15,957 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 197 transitions. [2023-12-02 21:51:15,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 21:51:15,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:15,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:15,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:51:15,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:16,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:51:18,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:18,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 157 states and 218 transitions. [2023-12-02 21:51:18,523 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 218 transitions. [2023-12-02 21:51:18,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:51:18,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:18,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:18,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:18,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:51:18,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:18,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:51:21,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:21,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 169 states and 241 transitions. [2023-12-02 21:51:21,130 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 241 transitions. [2023-12-02 21:51:21,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:51:21,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:21,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:21,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:51:21,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:21,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:51:21,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:21,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 172 states and 247 transitions. [2023-12-02 21:51:21,819 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 247 transitions. [2023-12-02 21:51:21,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 21:51:21,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:21,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:21,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:51:21,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:22,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:51:22,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:22,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 174 states and 249 transitions. [2023-12-02 21:51:22,783 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 21:51:22,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 21:51:22,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:22,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:22,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:51:22,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:23,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:51:27,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:27,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 185 states and 270 transitions. [2023-12-02 21:51:27,260 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 270 transitions. [2023-12-02 21:51:27,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:51:27,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:27,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:27,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:51:27,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:27,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:51:33,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:33,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 196 states and 292 transitions. [2023-12-02 21:51:33,312 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 292 transitions. [2023-12-02 21:51:33,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:51:33,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:33,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:33,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:51:33,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:33,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:51:33,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:33,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 195 states and 291 transitions. [2023-12-02 21:51:33,631 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 291 transitions. [2023-12-02 21:51:33,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:51:33,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:33,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:33,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:33,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:51:33,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:33,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:51:38,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:38,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 207 states and 315 transitions. [2023-12-02 21:51:38,758 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 315 transitions. [2023-12-02 21:51:38,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:51:38,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:38,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:38,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:51:38,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:38,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:51:39,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:39,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 210 states and 319 transitions. [2023-12-02 21:51:39,757 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 319 transitions. [2023-12-02 21:51:39,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:51:39,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:39,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:39,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:39,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:51:39,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:39,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:51:39,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:39,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 213 states and 323 transitions. [2023-12-02 21:51:39,840 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 323 transitions. [2023-12-02 21:51:39,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:51:39,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:39,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:39,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:51:39,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:39,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:51:40,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:40,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 212 states and 322 transitions. [2023-12-02 21:51:40,072 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 322 transitions. [2023-12-02 21:51:40,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 21:51:40,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:40,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:40,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:40,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:51:40,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:40,708 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:51:58,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:58,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 222 states and 339 transitions. [2023-12-02 21:51:58,101 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 339 transitions. [2023-12-02 21:51:58,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 21:51:58,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:58,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:58,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:51:58,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:58,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:52:09,477 WARN L293 SmtUtils]: Spent 10.18s on a formula simplification. DAG size of input: 34 DAG size of output: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:52:15,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:15,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 235 states and 364 transitions. [2023-12-02 21:52:15,664 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 364 transitions. [2023-12-02 21:52:15,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 21:52:15,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:15,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:15,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:15,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:52:15,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:15,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:52:20,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:20,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 246 states and 387 transitions. [2023-12-02 21:52:20,230 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 387 transitions. [2023-12-02 21:52:20,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 21:52:20,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:20,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:20,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:52:20,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:20,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:52:20,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:20,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 249 states and 391 transitions. [2023-12-02 21:52:20,312 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 391 transitions. [2023-12-02 21:52:20,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 21:52:20,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:20,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:20,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:52:20,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:20,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:52:22,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:22,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 253 states and 400 transitions. [2023-12-02 21:52:22,060 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 400 transitions. [2023-12-02 21:52:22,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:52:22,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:22,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:22,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:52:22,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:22,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:52:33,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:33,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 258 states and 406 transitions. [2023-12-02 21:52:33,239 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 406 transitions. [2023-12-02 21:52:33,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 21:52:33,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:33,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:33,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:52:33,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:33,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:52:36,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:36,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 263 states and 415 transitions. [2023-12-02 21:52:36,061 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 415 transitions. [2023-12-02 21:52:36,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 21:52:36,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:36,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:36,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:36,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:52:36,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:40,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:52:55,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:55,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 283 states and 450 transitions. [2023-12-02 21:52:55,208 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 450 transitions. [2023-12-02 21:52:55,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 21:52:55,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:55,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:55,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:52:55,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:55,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:52:55,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:55,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 287 states and 457 transitions. [2023-12-02 21:52:55,833 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 457 transitions. [2023-12-02 21:52:55,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 21:52:55,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:55,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:55,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:52:55,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:59,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:53:13,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:13,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 304 states and 483 transitions. [2023-12-02 21:53:13,791 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 483 transitions. [2023-12-02 21:53:13,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:53:13,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:13,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:53:13,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:13,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:53:13,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:13,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:53:17,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:17,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 310 states and 498 transitions. [2023-12-02 21:53:17,622 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 498 transitions. [2023-12-02 21:53:17,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:53:17,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:17,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:53:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:17,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:53:17,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:18,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:53:32,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:32,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 318 states and 514 transitions. [2023-12-02 21:53:32,067 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 514 transitions. [2023-12-02 21:53:32,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:53:32,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:32,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:53:32,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:32,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:53:32,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:32,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:53:32,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:32,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 322 states and 520 transitions. [2023-12-02 21:53:32,595 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 520 transitions. [2023-12-02 21:53:32,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:53:32,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:32,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:53:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:32,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:53:32,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:38,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:54:40,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:40,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 326 states and 526 transitions. [2023-12-02 21:54:40,247 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 526 transitions. [2023-12-02 21:54:40,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:54:40,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:40,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:40,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:40,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:54:40,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:54:41,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:54:56,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:56,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 335 states and 549 transitions. [2023-12-02 21:54:56,786 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 549 transitions. [2023-12-02 21:54:56,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:54:56,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:56,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:56,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:56,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:54:56,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:54:57,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:01,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:01,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 339 states and 554 transitions. [2023-12-02 21:55:01,018 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 554 transitions. [2023-12-02 21:55:01,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:55:01,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:01,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:01,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:55:01,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:02,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:56:08,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:08,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 345 states and 565 transitions. [2023-12-02 21:56:08,575 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 565 transitions. [2023-12-02 21:56:08,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 21:56:08,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:08,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:08,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:56:08,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:09,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:56:27,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:27,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 366 states and 640 transitions. [2023-12-02 21:56:27,526 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 640 transitions. [2023-12-02 21:56:27,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 21:56:27,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:27,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:27,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:56:27,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:29,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:56:33,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:33,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 370 states and 645 transitions. [2023-12-02 21:56:33,924 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 645 transitions. [2023-12-02 21:56:33,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 21:56:33,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:33,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:33,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:56:33,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:34,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:39,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:39,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 377 states and 670 transitions. [2023-12-02 21:57:39,312 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 670 transitions. [2023-12-02 21:57:39,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:57:39,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:39,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:39,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:57:39,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:40,298 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:58:01,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:01,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 399 states and 738 transitions. [2023-12-02 21:58:01,016 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 738 transitions. [2023-12-02 21:58:01,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:58:01,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:01,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:01,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:58:01,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:01,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:58:17,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:17,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 406 states and 749 transitions. [2023-12-02 21:58:17,089 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 749 transitions. [2023-12-02 21:58:17,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:58:17,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:17,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:17,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:58:17,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:17,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:58:19,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:19,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 407 states and 751 transitions. [2023-12-02 21:58:19,879 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 751 transitions. [2023-12-02 21:58:19,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 21:58:19,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:19,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:19,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:58:19,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:21,476 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:58:43,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:43,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 417 states and 773 transitions. [2023-12-02 21:58:43,693 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 773 transitions. [2023-12-02 21:58:43,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 21:58:43,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:43,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:43,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:43,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:58:43,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:43,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:58:44,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:44,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 419 states and 776 transitions. [2023-12-02 21:58:44,826 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 776 transitions. [2023-12-02 21:58:44,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 21:58:44,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:44,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:44,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:44,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:58:44,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:44,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:00:12,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:12,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 442 states and 837 transitions. [2023-12-02 22:00:12,505 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 837 transitions. [2023-12-02 22:00:12,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 22:00:12,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:12,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:12,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 22:00:12,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:20,052 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:00:56,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:56,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 453 states and 880 transitions. [2023-12-02 22:00:56,377 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 880 transitions. [2023-12-02 22:00:56,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 22:00:56,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:56,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:56,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 22:00:56,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:56,651 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:01:03,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:01:03,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 455 states and 887 transitions. [2023-12-02 22:01:03,037 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 887 transitions. [2023-12-02 22:01:03,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 22:01:03,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:01:03,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:01:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:03,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:01:03,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:01:03,076 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:01:41,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:01:41,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 466 states and 927 transitions. [2023-12-02 22:01:41,226 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 927 transitions. [2023-12-02 22:01:41,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 22:01:41,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:01:41,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:01:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:41,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 22:01:41,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:01:41,513 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:04,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:04,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 470 states and 952 transitions. [2023-12-02 22:02:04,708 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 952 transitions. [2023-12-02 22:02:04,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 22:02:04,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:04,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:02:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:04,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 22:02:04,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:08,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:20,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:20,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 479 states and 963 transitions. [2023-12-02 22:02:20,867 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 963 transitions. [2023-12-02 22:02:20,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 22:02:20,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:20,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:02:20,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:20,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:02:20,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:20,907 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:43,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:43,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 486 states and 975 transitions. [2023-12-02 22:03:43,832 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 975 transitions. [2023-12-02 22:03:43,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 22:03:43,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:43,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:43,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 22:03:43,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:58,975 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.