./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_65bfabeb-b5e2-4e16-beef-53350721d1a4/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65bfabeb-b5e2-4e16-beef-53350721d1a4/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_65bfabeb-b5e2-4e16-beef-53350721d1a4/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65bfabeb-b5e2-4e16-beef-53350721d1a4/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65bfabeb-b5e2-4e16-beef-53350721d1a4/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65bfabeb-b5e2-4e16-beef-53350721d1a4/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash baeebe831189d0208212eeaf417b83dac95cdcd24131565645f78fcbd5cf583c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:22:34,408 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:22:34,473 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65bfabeb-b5e2-4e16-beef-53350721d1a4/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:22:34,478 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:22:34,478 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:22:34,500 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:22:34,501 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:22:34,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:22:34,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:22:34,503 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:22:34,503 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:22:34,504 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:22:34,504 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:22:34,505 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:22:34,505 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:22:34,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:22:34,506 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:22:34,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:22:34,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:22:34,508 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:22:34,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:22:34,509 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:22:34,509 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:22:34,510 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:22:34,510 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:22:34,511 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:22:34,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:22:34,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:22:34,512 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:22:34,512 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:22:34,513 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:22:34,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:22:34,514 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:22:34,514 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_65bfabeb-b5e2-4e16-beef-53350721d1a4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65bfabeb-b5e2-4e16-beef-53350721d1a4/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> baeebe831189d0208212eeaf417b83dac95cdcd24131565645f78fcbd5cf583c [2023-12-02 21:22:34,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:22:34,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:22:34,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:22:34,759 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:22:34,759 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:22:34,760 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65bfabeb-b5e2-4e16-beef-53350721d1a4/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound100.c [2023-12-02 21:22:37,507 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:22:37,659 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:22:37,660 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65bfabeb-b5e2-4e16-beef-53350721d1a4/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound100.c [2023-12-02 21:22:37,666 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65bfabeb-b5e2-4e16-beef-53350721d1a4/bin/ukojak-verify-Qdu7aM0XO9/data/cabb29912/5204c154b52d4113a851136e8d570000/FLAGeade987e6 [2023-12-02 21:22:37,677 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65bfabeb-b5e2-4e16-beef-53350721d1a4/bin/ukojak-verify-Qdu7aM0XO9/data/cabb29912/5204c154b52d4113a851136e8d570000 [2023-12-02 21:22:37,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:22:37,680 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:22:37,681 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:22:37,681 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:22:37,685 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:22:37,685 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:22:37" (1/1) ... [2023-12-02 21:22:37,686 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@925ddcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:37, skipping insertion in model container [2023-12-02 21:22:37,686 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:22:37" (1/1) ... [2023-12-02 21:22:37,704 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:22:37,833 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65bfabeb-b5e2-4e16-beef-53350721d1a4/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound100.c[458,471] [2023-12-02 21:22:37,846 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:22:37,856 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:22:37,869 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65bfabeb-b5e2-4e16-beef-53350721d1a4/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound100.c[458,471] [2023-12-02 21:22:37,874 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:22:37,886 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:22:37,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:37 WrapperNode [2023-12-02 21:22:37,887 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:22:37,888 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:22:37,888 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:22:37,888 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:22:37,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:37" (1/1) ... [2023-12-02 21:22:37,902 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:37" (1/1) ... [2023-12-02 21:22:37,916 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2023-12-02 21:22:37,916 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:22:37,917 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:22:37,917 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:22:37,917 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:22:37,924 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:37" (1/1) ... [2023-12-02 21:22:37,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:37" (1/1) ... [2023-12-02 21:22:37,925 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:37" (1/1) ... [2023-12-02 21:22:37,926 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:37" (1/1) ... [2023-12-02 21:22:37,928 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:37" (1/1) ... [2023-12-02 21:22:37,931 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:37" (1/1) ... [2023-12-02 21:22:37,932 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:37" (1/1) ... [2023-12-02 21:22:37,933 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:37" (1/1) ... [2023-12-02 21:22:37,934 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:22:37,935 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:22:37,935 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:22:37,935 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:22:37,936 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:37" (1/1) ... [2023-12-02 21:22:37,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:22:37,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65bfabeb-b5e2-4e16-beef-53350721d1a4/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:22:37,961 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65bfabeb-b5e2-4e16-beef-53350721d1a4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:22:37,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65bfabeb-b5e2-4e16-beef-53350721d1a4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:22:37,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:22:37,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:22:37,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:22:37,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:22:37,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 21:22:37,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 21:22:38,069 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:22:38,072 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:22:38,186 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:22:38,209 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:22:38,210 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:22:38,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:22:38 BoogieIcfgContainer [2023-12-02 21:22:38,212 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:22:38,212 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:22:38,213 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:22:38,223 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:22:38,223 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:22:38" (1/1) ... [2023-12-02 21:22:38,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:22:38,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:38,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-12-02 21:22:38,291 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-12-02 21:22:38,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:22:38,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:38,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:38,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:38,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:22:38,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:38,469 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 21:22:38,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:38,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-12-02 21:22:38,486 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-12-02 21:22:38,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:22:38,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:38,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:38,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:38,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:22:38,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:38,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:22:38,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:38,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-12-02 21:22:38,623 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-12-02 21:22:38,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:22:38,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:38,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:38,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:22:38,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:38,725 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 21:22:38,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:38,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2023-12-02 21:22:38,961 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2023-12-02 21:22:38,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:22:38,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:38,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:38,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:38,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:22:38,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:39,112 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:22:39,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:39,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2023-12-02 21:22:39,353 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2023-12-02 21:22:39,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 21:22:39,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:39,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:39,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:22:39,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:39,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:22:40,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:40,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2023-12-02 21:22:40,243 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2023-12-02 21:22:40,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 21:22:40,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:40,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:40,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 21:22:40,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:40,349 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:22:40,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:40,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 37 states and 66 transitions. [2023-12-02 21:22:40,901 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2023-12-02 21:22:40,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 21:22:40,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:40,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:40,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:40,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 21:22:40,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:40,969 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:22:41,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:41,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 67 transitions. [2023-12-02 21:22:41,296 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2023-12-02 21:22:41,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 21:22:41,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:41,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:41,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:41,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 21:22:41,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:41,443 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:22:42,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:42,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 78 transitions. [2023-12-02 21:22:42,210 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2023-12-02 21:22:42,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 21:22:42,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:42,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:42,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:22:42,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:42,343 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:22:43,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:43,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 51 states and 104 transitions. [2023-12-02 21:22:43,609 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 104 transitions. [2023-12-02 21:22:43,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 21:22:43,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:43,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:43,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 21:22:43,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:43,701 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:22:44,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:44,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 53 states and 105 transitions. [2023-12-02 21:22:44,131 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 105 transitions. [2023-12-02 21:22:44,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 21:22:44,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:44,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:44,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:44,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 21:22:44,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:44,212 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:22:44,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:44,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 56 states and 108 transitions. [2023-12-02 21:22:44,852 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 108 transitions. [2023-12-02 21:22:44,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 21:22:44,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:44,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:44,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:22:44,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:44,903 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:22:45,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:45,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 107 transitions. [2023-12-02 21:22:45,095 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 107 transitions. [2023-12-02 21:22:45,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 21:22:45,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:45,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:45,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:22:45,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:45,280 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:22:46,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:46,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 64 states and 135 transitions. [2023-12-02 21:22:46,795 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 135 transitions. [2023-12-02 21:22:46,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 21:22:46,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:46,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:46,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 21:22:46,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:46,961 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:22:48,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:48,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 68 states and 152 transitions. [2023-12-02 21:22:48,064 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 152 transitions. [2023-12-02 21:22:48,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 21:22:48,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:48,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:48,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 21:22:48,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:48,163 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:22:48,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:48,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 71 states and 155 transitions. [2023-12-02 21:22:48,854 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 155 transitions. [2023-12-02 21:22:48,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 21:22:48,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:48,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:48,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 21:22:48,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:48,981 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:22:49,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:49,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 74 states and 158 transitions. [2023-12-02 21:22:49,860 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 158 transitions. [2023-12-02 21:22:49,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 21:22:49,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:49,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:49,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:22:49,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:49,916 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:22:50,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:50,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 74 states and 157 transitions. [2023-12-02 21:22:50,168 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 157 transitions. [2023-12-02 21:22:50,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 21:22:50,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:50,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:50,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 21:22:50,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:50,254 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:22:50,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:50,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 76 states and 158 transitions. [2023-12-02 21:22:50,852 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 158 transitions. [2023-12-02 21:22:50,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 21:22:50,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:50,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:50,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:22:50,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:50,911 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:22:51,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:51,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 76 states and 157 transitions. [2023-12-02 21:22:51,130 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 157 transitions. [2023-12-02 21:22:51,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 21:22:51,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:51,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:51,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-02 21:22:51,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:51,350 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 12 proven. 44 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:22:52,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:52,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 80 states and 173 transitions. [2023-12-02 21:22:52,510 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 173 transitions. [2023-12-02 21:22:52,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 21:22:52,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:52,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:52,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-02 21:22:52,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:52,669 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 21:22:53,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:53,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 83 states and 177 transitions. [2023-12-02 21:22:53,725 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 177 transitions. [2023-12-02 21:22:53,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 21:22:53,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:53,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:53,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-02 21:22:53,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:53,841 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 21:22:54,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:54,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 85 states and 178 transitions. [2023-12-02 21:22:54,602 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 178 transitions. [2023-12-02 21:22:54,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 21:22:54,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:54,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:54,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:54,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:22:54,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:54,831 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:22:57,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:57,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 93 states and 214 transitions. [2023-12-02 21:22:57,010 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 214 transitions. [2023-12-02 21:22:57,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 21:22:57,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:57,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:57,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-02 21:22:57,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:57,137 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 12 proven. 44 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:22:58,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:58,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 96 states and 217 transitions. [2023-12-02 21:22:58,266 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 217 transitions. [2023-12-02 21:22:58,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 21:22:58,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:58,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:58,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-02 21:22:58,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:58,355 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 21:22:59,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:59,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 99 states and 220 transitions. [2023-12-02 21:22:59,417 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 220 transitions. [2023-12-02 21:22:59,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 21:22:59,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:59,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:59,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:22:59,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:59,491 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:22:59,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:59,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 99 states and 219 transitions. [2023-12-02 21:22:59,843 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 219 transitions. [2023-12-02 21:22:59,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 21:22:59,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:59,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:59,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:22:59,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:59,906 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:23:00,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:00,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 99 states and 218 transitions. [2023-12-02 21:23:00,241 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 218 transitions. [2023-12-02 21:23:00,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 21:23:00,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:00,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:00,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:00,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:23:00,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:00,299 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:23:00,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:00,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 99 states and 217 transitions. [2023-12-02 21:23:00,685 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 217 transitions. [2023-12-02 21:23:00,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 21:23:00,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:00,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:00,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:00,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-02 21:23:00,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:00,943 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 21:23:02,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:02,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 103 states and 237 transitions. [2023-12-02 21:23:02,910 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 237 transitions. [2023-12-02 21:23:02,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 21:23:02,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:02,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:02,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-02 21:23:02,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:03,065 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 17 proven. 66 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-02 21:23:04,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:04,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 106 states and 240 transitions. [2023-12-02 21:23:04,497 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 240 transitions. [2023-12-02 21:23:04,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 21:23:04,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:04,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:04,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 45 conjunts are in the unsatisfiable core [2023-12-02 21:23:04,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:04,637 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 16 proven. 67 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-02 21:23:05,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:05,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 108 states and 241 transitions. [2023-12-02 21:23:05,553 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 241 transitions. [2023-12-02 21:23:05,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 21:23:05,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:05,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:05,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-02 21:23:05,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:05,676 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 21:23:06,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:06,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 111 states and 244 transitions. [2023-12-02 21:23:06,900 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 244 transitions. [2023-12-02 21:23:06,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 21:23:06,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:06,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:06,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:06,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-02 21:23:06,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:07,584 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 21:23:09,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:09,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 114 states and 247 transitions. [2023-12-02 21:23:09,402 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 247 transitions. [2023-12-02 21:23:09,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 21:23:09,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:09,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:09,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 21:23:09,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:09,720 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:23:12,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:12,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 122 states and 288 transitions. [2023-12-02 21:23:12,683 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 288 transitions. [2023-12-02 21:23:12,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 21:23:12,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:12,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:12,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-02 21:23:12,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:12,803 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 21:23:14,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:14,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 125 states and 291 transitions. [2023-12-02 21:23:14,208 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 291 transitions. [2023-12-02 21:23:14,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 21:23:14,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:14,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:14,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 21:23:14,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:14,289 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:23:14,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:14,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 125 states and 290 transitions. [2023-12-02 21:23:14,715 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 290 transitions. [2023-12-02 21:23:14,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 21:23:14,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:14,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:14,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 21:23:14,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:14,788 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:23:15,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:15,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 125 states and 289 transitions. [2023-12-02 21:23:15,239 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 289 transitions. [2023-12-02 21:23:15,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 21:23:15,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:15,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:15,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 21:23:15,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:15,313 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:23:15,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:15,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 125 states and 288 transitions. [2023-12-02 21:23:15,742 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 288 transitions. [2023-12-02 21:23:15,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 21:23:15,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:15,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:15,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:15,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 21:23:15,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:15,815 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:23:16,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:16,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 125 states and 287 transitions. [2023-12-02 21:23:16,219 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 287 transitions. [2023-12-02 21:23:16,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 21:23:16,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:16,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:16,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 21:23:16,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:16,583 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 11 proven. 94 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-02 21:23:19,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:19,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 129 states and 309 transitions. [2023-12-02 21:23:19,019 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 309 transitions. [2023-12-02 21:23:19,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 21:23:19,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:19,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:19,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 44 conjunts are in the unsatisfiable core [2023-12-02 21:23:19,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:19,220 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 10 proven. 104 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-02 21:23:20,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:20,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 132 states and 312 transitions. [2023-12-02 21:23:20,714 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 312 transitions. [2023-12-02 21:23:20,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 21:23:20,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:20,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:20,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:23:20,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:21,071 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:23:24,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:24,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 140 states and 358 transitions. [2023-12-02 21:23:24,665 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 358 transitions. [2023-12-02 21:23:24,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 21:23:24,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:24,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:24,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 44 conjunts are in the unsatisfiable core [2023-12-02 21:23:24,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:24,882 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 13 proven. 101 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-02 21:23:26,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:26,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 143 states and 361 transitions. [2023-12-02 21:23:26,657 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 361 transitions. [2023-12-02 21:23:26,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 21:23:26,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:26,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:26,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:23:26,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:26,742 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:23:27,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:27,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 143 states and 360 transitions. [2023-12-02 21:23:27,196 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 360 transitions. [2023-12-02 21:23:27,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 21:23:27,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:27,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:27,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-02 21:23:27,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:27,375 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 105 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-02 21:23:29,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:29,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 146 states and 364 transitions. [2023-12-02 21:23:29,769 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 364 transitions. [2023-12-02 21:23:29,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 21:23:29,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:29,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:29,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 21:23:29,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:29,940 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 11 proven. 94 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-02 21:23:31,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:31,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 149 states and 367 transitions. [2023-12-02 21:23:31,872 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 367 transitions. [2023-12-02 21:23:31,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 21:23:31,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:31,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:31,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:31,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:23:31,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:31,979 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:23:32,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:32,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 149 states and 366 transitions. [2023-12-02 21:23:32,521 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 366 transitions. [2023-12-02 21:23:32,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 21:23:32,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:32,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:32,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 21:23:32,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:32,721 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 11 proven. 94 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-02 21:23:34,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:34,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 152 states and 369 transitions. [2023-12-02 21:23:34,454 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 369 transitions. [2023-12-02 21:23:34,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 21:23:34,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:34,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:34,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:23:34,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:34,536 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:23:35,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:35,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 152 states and 368 transitions. [2023-12-02 21:23:35,023 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 368 transitions. [2023-12-02 21:23:35,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 21:23:35,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:35,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:35,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 21:23:35,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:35,186 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 11 proven. 94 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-02 21:23:36,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:36,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 154 states and 369 transitions. [2023-12-02 21:23:36,733 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 369 transitions. [2023-12-02 21:23:36,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 21:23:36,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:36,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:36,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:23:36,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:36,830 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:23:37,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:37,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 154 states and 368 transitions. [2023-12-02 21:23:37,419 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 368 transitions. [2023-12-02 21:23:37,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 21:23:37,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:37,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:37,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:23:37,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:37,504 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:23:38,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:38,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 154 states and 367 transitions. [2023-12-02 21:23:38,096 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 367 transitions. [2023-12-02 21:23:38,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:23:38,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:38,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:39,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:39,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 21:23:39,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:24:05,263 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 147 proven. 2 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-12-02 21:25:00,122 WARN L293 SmtUtils]: Spent 33.75s on a formula simplification. DAG size of input: 37 DAG size of output: 36 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:25:34,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 21:26:44,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 21:28:57,125 WARN L293 SmtUtils]: Spent 10.10s on a formula simplification that was a NOOP. DAG size: 65 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:29:19,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 21:29:22,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 21:29:22,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:22,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 158 states and 395 transitions. [2023-12-02 21:29:22,234 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 395 transitions. [2023-12-02 21:29:22,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:29:22,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:22,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:29:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:22,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:22,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:22,801 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:29:28,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:28,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 166 states and 446 transitions. [2023-12-02 21:29:28,013 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 446 transitions. [2023-12-02 21:29:28,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:29:28,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:28,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:29:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:28,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 48 conjunts are in the unsatisfiable core [2023-12-02 21:29:28,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:28,579 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 27 proven. 122 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-12-02 21:29:32,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 21:29:34,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:34,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 169 states and 451 transitions. [2023-12-02 21:29:34,853 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 451 transitions. [2023-12-02 21:29:34,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:29:34,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:34,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:29:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:34,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:34,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:34,955 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:29:35,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:35,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 169 states and 450 transitions. [2023-12-02 21:29:35,642 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 450 transitions. [2023-12-02 21:29:35,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:29:35,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:35,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:29:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:35,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 21:29:35,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:35,922 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 28 proven. 109 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 21:29:38,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:38,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 171 states and 452 transitions. [2023-12-02 21:29:38,458 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 452 transitions. [2023-12-02 21:29:38,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:29:38,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:38,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:29:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:38,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:38,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:38,559 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:29:39,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:39,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 171 states and 451 transitions. [2023-12-02 21:29:39,193 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 451 transitions. [2023-12-02 21:29:39,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:29:39,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:39,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:29:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:39,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 21:29:39,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:39,479 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 28 proven. 109 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 21:29:42,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:42,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 174 states and 455 transitions. [2023-12-02 21:29:42,699 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 455 transitions. [2023-12-02 21:29:42,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:29:42,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:42,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:29:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:42,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 21:29:42,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:42,957 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 28 proven. 109 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 21:29:46,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:46,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 177 states and 459 transitions. [2023-12-02 21:29:46,017 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 459 transitions. [2023-12-02 21:29:46,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:29:46,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:46,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:29:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:46,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:46,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:46,116 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:29:46,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:46,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 177 states and 458 transitions. [2023-12-02 21:29:46,897 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 458 transitions. [2023-12-02 21:29:46,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:29:46,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:46,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:29:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:47,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 21:29:47,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:47,180 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 28 proven. 109 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 21:29:50,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:50,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 180 states and 462 transitions. [2023-12-02 21:29:50,417 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 462 transitions. [2023-12-02 21:29:50,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:29:50,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:50,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:29:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:50,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 21:29:50,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:50,702 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 28 proven. 109 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 21:29:54,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 21:29:56,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:56,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 183 states and 466 transitions. [2023-12-02 21:29:56,312 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 466 transitions. [2023-12-02 21:29:56,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:29:56,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:56,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:29:56,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:56,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:29:56,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:56,414 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:29:57,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:57,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 183 states and 465 transitions. [2023-12-02 21:29:57,170 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 465 transitions. [2023-12-02 21:29:57,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:29:57,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:57,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:29:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:57,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 21:29:57,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:57,478 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 28 proven. 109 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 21:30:00,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:00,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 186 states and 469 transitions. [2023-12-02 21:30:00,073 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 469 transitions. [2023-12-02 21:30:00,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:30:00,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:00,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:30:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:00,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:00,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:00,165 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:30:00,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:00,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 186 states and 468 transitions. [2023-12-02 21:30:00,922 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 468 transitions. [2023-12-02 21:30:00,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:30:00,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:00,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:30:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:00,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:30:00,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:01,023 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:30:01,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:01,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 186 states and 467 transitions. [2023-12-02 21:30:01,785 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 467 transitions. [2023-12-02 21:30:01,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 21:30:01,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:01,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:30:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:01,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:30:01,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:02,547 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:30:36,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.80s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 21:30:41,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:41,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 194 states and 527 transitions. [2023-12-02 21:30:41,747 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 527 transitions. [2023-12-02 21:30:41,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 21:30:41,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:41,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:30:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:43,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-02 21:30:43,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:44,758 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 50 proven. 138 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-12-02 21:31:19,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 21:31:22,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 21:31:28,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 21:31:30,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:30,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 198 states and 552 transitions. [2023-12-02 21:31:30,595 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 552 transitions. [2023-12-02 21:31:30,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 21:31:30,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:30,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:30,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:31:30,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:30,702 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:31:54,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:54,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 198 states and 551 transitions. [2023-12-02 21:31:54,433 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 551 transitions. [2023-12-02 21:31:54,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 21:31:54,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:54,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:55,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:55,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 57 conjunts are in the unsatisfiable core [2023-12-02 21:31:55,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:55,216 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 31 proven. 166 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-12-02 21:32:01,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 21:32:05,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:05,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 201 states and 556 transitions. [2023-12-02 21:32:05,317 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 556 transitions. [2023-12-02 21:32:05,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 21:32:05,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:05,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:05,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:32:05,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:05,420 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:32:06,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:06,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 201 states and 555 transitions. [2023-12-02 21:32:06,431 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 555 transitions. [2023-12-02 21:32:06,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 21:32:06,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:06,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:06,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-02 21:32:06,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:36,996 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 180 proven. 8 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-12-02 21:34:11,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 21:35:38,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 21:35:41,304 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse0 (* |c_ULTIMATE.start_main_~x~0#1| 6))) (let ((.cse2 (= (+ |c_ULTIMATE.start_main_~y~0#1| (* 2 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (* .cse1 3)) .cse0))) (and (not (and (= 91 |c_ULTIMATE.start_main_~x~0#1|) (= |c_ULTIMATE.start_main_~y~0#1| 6))) (not (and (= |c_ULTIMATE.start_main_~x~0#1| 0) (= |c_ULTIMATE.start_main_~y~0#1| 0))) (not (and (= |c_ULTIMATE.start_main_~y~0#1| 2) (= |c_ULTIMATE.start_main_~x~0#1| 5))) (not (and (= |c_ULTIMATE.start_main_~x~0#1| 30) (= |c_ULTIMATE.start_main_~y~0#1| 4))) (not (and (exists ((|v_ULTIMATE.start_main_~y~0#1_134| Int)) (and (<= 5 |v_ULTIMATE.start_main_~y~0#1_134|) (= (+ (* |c_ULTIMATE.start_main_~y~0#1| 12) .cse0) (+ |v_ULTIMATE.start_main_~y~0#1_134| 6 (* (* |v_ULTIMATE.start_main_~y~0#1_134| |v_ULTIMATE.start_main_~y~0#1_134|) 3) (* 2 (* |v_ULTIMATE.start_main_~y~0#1_134| |v_ULTIMATE.start_main_~y~0#1_134| |v_ULTIMATE.start_main_~y~0#1_134|)) (* .cse1 12))))) .cse2)) .cse2 (not (and (= |c_ULTIMATE.start_main_~y~0#1| 3) (= |c_ULTIMATE.start_main_~x~0#1| 14))) (<= 8 |c_ULTIMATE.start_main_~y~0#1|) (not (and (= |c_ULTIMATE.start_main_~y~0#1| 5) (= |c_ULTIMATE.start_main_~x~0#1| 55))) (not (and (= |c_ULTIMATE.start_main_~y~0#1| 1) (= |c_ULTIMATE.start_main_~x~0#1| 1)))))) is different from false [2023-12-02 21:35:48,963 WARN L293 SmtUtils]: Spent 6.85s on a formula simplification that was a NOOP. DAG size: 69 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:35:51,322 WARN L876 $PredicateComparison]: unable to prove that (not (let ((.cse1 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse0 (* |c_ULTIMATE.start_main_~x~0#1| 6))) (let ((.cse2 (= (+ |c_ULTIMATE.start_main_~y~0#1| (* 2 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (* .cse1 3)) .cse0))) (and (not (and (= 91 |c_ULTIMATE.start_main_~x~0#1|) (= |c_ULTIMATE.start_main_~y~0#1| 6))) (not (and (= |c_ULTIMATE.start_main_~x~0#1| 0) (= |c_ULTIMATE.start_main_~y~0#1| 0))) (not (and (= |c_ULTIMATE.start_main_~y~0#1| 2) (= |c_ULTIMATE.start_main_~x~0#1| 5))) (not (and (= |c_ULTIMATE.start_main_~x~0#1| 30) (= |c_ULTIMATE.start_main_~y~0#1| 4))) (not (and (exists ((|v_ULTIMATE.start_main_~y~0#1_134| Int)) (and (<= 5 |v_ULTIMATE.start_main_~y~0#1_134|) (= (+ (* |c_ULTIMATE.start_main_~y~0#1| 12) .cse0) (+ |v_ULTIMATE.start_main_~y~0#1_134| 6 (* (* |v_ULTIMATE.start_main_~y~0#1_134| |v_ULTIMATE.start_main_~y~0#1_134|) 3) (* 2 (* |v_ULTIMATE.start_main_~y~0#1_134| |v_ULTIMATE.start_main_~y~0#1_134| |v_ULTIMATE.start_main_~y~0#1_134|)) (* .cse1 12))))) .cse2)) .cse2 (not (and (= |c_ULTIMATE.start_main_~y~0#1| 3) (= |c_ULTIMATE.start_main_~x~0#1| 14))) (<= 8 |c_ULTIMATE.start_main_~y~0#1|) (not (and (= |c_ULTIMATE.start_main_~y~0#1| 5) (= |c_ULTIMATE.start_main_~x~0#1| 55))) (not (and (= |c_ULTIMATE.start_main_~y~0#1| 1) (= |c_ULTIMATE.start_main_~x~0#1| 1))))))) is different from true [2023-12-02 21:36:09,712 WARN L293 SmtUtils]: Spent 6.56s on a formula simplification that was a NOOP. DAG size: 70 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:36:09,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:09,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 205 states and 591 transitions. [2023-12-02 21:36:09,913 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 591 transitions. [2023-12-02 21:36:09,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 21:36:09,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:09,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:36:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:11,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-02 21:36:11,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:20,808 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 174 proven. 14 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked.