./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-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_436b36b8-7b0d-4262-a22f-d5c1b7b39e14/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436b36b8-7b0d-4262-a22f-d5c1b7b39e14/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436b36b8-7b0d-4262-a22f-d5c1b7b39e14/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436b36b8-7b0d-4262-a22f-d5c1b7b39e14/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436b36b8-7b0d-4262-a22f-d5c1b7b39e14/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436b36b8-7b0d-4262-a22f-d5c1b7b39e14/bin/ukojak-verify-afCqCEvfdi --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 9dd084b74d402040bb1dcf601a4c548e70d932326201e2bbf6bd431598d05766 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:12:08,494 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:12:08,607 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436b36b8-7b0d-4262-a22f-d5c1b7b39e14/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:12:08,612 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:12:08,613 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:12:08,651 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:12:08,652 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:12:08,653 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:12:08,654 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:12:08,659 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:12:08,661 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:12:08,661 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:12:08,661 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:12:08,663 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:12:08,663 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:12:08,664 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:12:08,664 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:12:08,665 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:12:08,665 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:12:08,665 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:12:08,666 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:12:08,666 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:12:08,667 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:12:08,667 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:12:08,668 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:12:08,668 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:12:08,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:08,669 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:12:08,670 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:12:08,670 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:12:08,671 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:12:08,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:12:08,672 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:12:08,672 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_436b36b8-7b0d-4262-a22f-d5c1b7b39e14/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436b36b8-7b0d-4262-a22f-d5c1b7b39e14/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9dd084b74d402040bb1dcf601a4c548e70d932326201e2bbf6bd431598d05766 [2023-11-24 22:12:09,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:12:09,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:12:09,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:12:09,029 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:12:09,029 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:12:09,031 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436b36b8-7b0d-4262-a22f-d5c1b7b39e14/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c [2023-11-24 22:12:12,103 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:12:12,461 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:12:12,462 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436b36b8-7b0d-4262-a22f-d5c1b7b39e14/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c [2023-11-24 22:12:12,470 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436b36b8-7b0d-4262-a22f-d5c1b7b39e14/bin/ukojak-verify-afCqCEvfdi/data/f77bcf912/1f500ffeb7ab4beca739699ef5dbd6bb/FLAG5708aae27 [2023-11-24 22:12:12,486 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436b36b8-7b0d-4262-a22f-d5c1b7b39e14/bin/ukojak-verify-afCqCEvfdi/data/f77bcf912/1f500ffeb7ab4beca739699ef5dbd6bb [2023-11-24 22:12:12,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:12:12,491 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:12:12,493 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:12,493 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:12:12,499 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:12:12,499 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:12" (1/1) ... [2023-11-24 22:12:12,502 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59af559c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:12, skipping insertion in model container [2023-11-24 22:12:12,502 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:12" (1/1) ... [2023-11-24 22:12:12,531 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:12:12,741 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_436b36b8-7b0d-4262-a22f-d5c1b7b39e14/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c[454,467] [2023-11-24 22:12:12,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:12,777 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:12:12,794 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_436b36b8-7b0d-4262-a22f-d5c1b7b39e14/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c[454,467] [2023-11-24 22:12:12,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:12,820 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:12:12,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:12 WrapperNode [2023-11-24 22:12:12,821 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:12,822 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:12,823 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:12:12,823 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:12:12,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:12" (1/1) ... [2023-11-24 22:12:12,842 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:12" (1/1) ... [2023-11-24 22:12:12,862 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2023-11-24 22:12:12,862 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:12,863 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:12:12,863 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:12:12,864 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:12:12,874 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:12" (1/1) ... [2023-11-24 22:12:12,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:12" (1/1) ... [2023-11-24 22:12:12,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:12" (1/1) ... [2023-11-24 22:12:12,876 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:12" (1/1) ... [2023-11-24 22:12:12,887 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:12" (1/1) ... [2023-11-24 22:12:12,892 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:12" (1/1) ... [2023-11-24 22:12:12,894 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:12" (1/1) ... [2023-11-24 22:12:12,895 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:12" (1/1) ... [2023-11-24 22:12:12,903 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:12:12,905 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:12:12,905 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:12:12,905 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:12:12,906 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:12" (1/1) ... [2023-11-24 22:12:12,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:12,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436b36b8-7b0d-4262-a22f-d5c1b7b39e14/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:12:12,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436b36b8-7b0d-4262-a22f-d5c1b7b39e14/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:12:12,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436b36b8-7b0d-4262-a22f-d5c1b7b39e14/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:12:12,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:12:12,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:12:12,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:12:12,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:12:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:12:12,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:12:13,063 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:12:13,066 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:12:13,283 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:12:13,307 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:12:13,307 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:12:13,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:13 BoogieIcfgContainer [2023-11-24 22:12:13,309 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:12:13,310 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:12:13,310 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:12:13,321 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:12:13,322 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:13" (1/1) ... [2023-11-24 22:12:13,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:12:13,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:13,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-11-24 22:12:13,389 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-11-24 22:12:13,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:12:13,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:13,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:13,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:12:13,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:13,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:13,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:13,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-24 22:12:13,614 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-24 22:12:13,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:12:13,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:13,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:13,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:12:13,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:13,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:13,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:13,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-11-24 22:12:13,852 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-24 22:12:13,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:12:13,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:13,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:13,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 22:12:13,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:14,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:14,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:14,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2023-11-24 22:12:14,274 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2023-11-24 22:12:14,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:12:14,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:14,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:14,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:12:14,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:14,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:14,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:14,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2023-11-24 22:12:14,689 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2023-11-24 22:12:14,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:12:14,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:14,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:14,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:12:14,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:14,792 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:15,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:15,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2023-11-24 22:12:15,929 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2023-11-24 22:12:15,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:12:15,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:15,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:15,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:12:15,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:16,054 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:16,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:16,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 37 states and 66 transitions. [2023-11-24 22:12:16,765 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2023-11-24 22:12:16,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:12:16,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:16,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:16,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:16,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:12:16,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:16,854 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:17,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:17,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 67 transitions. [2023-11-24 22:12:17,222 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2023-11-24 22:12:17,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:12:17,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:17,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:17,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:17,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:12:17,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:17,422 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:12:18,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:18,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 78 transitions. [2023-11-24 22:12:18,350 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2023-11-24 22:12:18,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:12:18,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:18,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:18,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:12:18,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:18,486 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:12:18,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:18,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 79 transitions. [2023-11-24 22:12:18,968 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2023-11-24 22:12:18,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:12:18,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:18,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:18,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:12:18,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:19,146 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:20,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:20,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 53 states and 105 transitions. [2023-11-24 22:12:20,769 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 105 transitions. [2023-11-24 22:12:20,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:12:20,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:20,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:20,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:12:20,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:20,878 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:12:21,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:21,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 56 states and 108 transitions. [2023-11-24 22:12:21,657 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 108 transitions. [2023-11-24 22:12:21,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:12:21,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:21,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:21,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:12:21,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:21,729 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:21,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:21,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 107 transitions. [2023-11-24 22:12:21,985 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 107 transitions. [2023-11-24 22:12:21,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:12:21,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:21,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:22,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:12:22,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:22,208 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:24,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:24,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 64 states and 135 transitions. [2023-11-24 22:12:24,057 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 135 transitions. [2023-11-24 22:12:24,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:12:24,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:24,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:24,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:12:24,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:24,264 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:12:25,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:25,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 68 states and 152 transitions. [2023-11-24 22:12:25,619 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 152 transitions. [2023-11-24 22:12:25,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:12:25,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:25,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:25,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:25,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:12:25,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:25,701 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:26,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:26,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 68 states and 151 transitions. [2023-11-24 22:12:26,018 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 151 transitions. [2023-11-24 22:12:26,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:12:26,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:26,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:26,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:12:26,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:26,159 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:12:26,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:26,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 70 states and 152 transitions. [2023-11-24 22:12:26,827 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 152 transitions. [2023-11-24 22:12:26,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:12:26,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:26,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:26,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:12:26,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:26,941 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:12:27,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:27,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 73 states and 155 transitions. [2023-11-24 22:12:27,857 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 155 transitions. [2023-11-24 22:12:27,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:12:27,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:27,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:27,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:27,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:12:27,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:27,955 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:28,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:28,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 73 states and 154 transitions. [2023-11-24 22:12:28,301 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 154 transitions. [2023-11-24 22:12:28,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:12:28,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:28,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:28,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:12:28,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:28,433 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:12:29,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:29,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 76 states and 157 transitions. [2023-11-24 22:12:29,506 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 157 transitions. [2023-11-24 22:12:29,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:12:29,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:29,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:29,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:12:29,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:29,775 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:32,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:32,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 84 states and 190 transitions. [2023-11-24 22:12:32,207 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 190 transitions. [2023-11-24 22:12:32,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:12:32,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:32,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:32,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:32,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:12:32,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:32,485 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:12:34,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:34,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 88 states and 209 transitions. [2023-11-24 22:12:34,050 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 209 transitions. [2023-11-24 22:12:34,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:12:34,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:34,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:34,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:34,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:12:34,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:34,158 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:34,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:34,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 88 states and 208 transitions. [2023-11-24 22:12:34,496 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 208 transitions. [2023-11-24 22:12:34,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:12:34,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:34,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:34,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:12:34,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:34,630 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:12:36,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:36,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 91 states and 212 transitions. [2023-11-24 22:12:36,118 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 212 transitions. [2023-11-24 22:12:36,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:12:36,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:36,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:36,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:12:36,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:36,204 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:36,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:36,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 91 states and 211 transitions. [2023-11-24 22:12:36,616 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 211 transitions. [2023-11-24 22:12:36,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:12:36,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:36,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:36,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:12:36,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:36,746 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:12:37,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:37,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 93 states and 212 transitions. [2023-11-24 22:12:37,640 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 212 transitions. [2023-11-24 22:12:37,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:12:37,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:37,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:37,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:12:37,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:37,778 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:12:39,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:39,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 96 states and 215 transitions. [2023-11-24 22:12:39,085 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 215 transitions. [2023-11-24 22:12:39,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:12:39,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:39,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:39,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:12:39,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:39,189 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:39,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:39,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 96 states and 214 transitions. [2023-11-24 22:12:39,588 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 214 transitions. [2023-11-24 22:12:39,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:12:39,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:39,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:39,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:12:39,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:39,759 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:12:40,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:40,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 99 states and 217 transitions. [2023-11-24 22:12:40,940 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 217 transitions. [2023-11-24 22:12:40,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:12:40,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:40,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:40,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 22:12:40,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:41,275 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:12:43,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:43,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 103 states and 236 transitions. [2023-11-24 22:12:43,152 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 236 transitions. [2023-11-24 22:12:43,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:12:43,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:43,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:43,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 22:12:43,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:43,537 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:47,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:47,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 111 states and 277 transitions. [2023-11-24 22:12:47,005 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 277 transitions. [2023-11-24 22:12:47,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:12:47,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:47,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:47,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 22:12:47,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:47,147 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:12:48,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:48,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 114 states and 280 transitions. [2023-11-24 22:12:48,748 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 280 transitions. [2023-11-24 22:12:48,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:12:48,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:48,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:48,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:48,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 22:12:48,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:48,851 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:49,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:49,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 114 states and 279 transitions. [2023-11-24 22:12:49,402 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 279 transitions. [2023-11-24 22:12:49,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:12:49,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:49,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:49,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 22:12:49,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:49,584 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:12:51,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:51,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 117 states and 283 transitions. [2023-11-24 22:12:51,463 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 283 transitions. [2023-11-24 22:12:51,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:12:51,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:51,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:51,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 22:12:51,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:51,630 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:12:52,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:52,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 119 states and 284 transitions. [2023-11-24 22:12:52,987 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 284 transitions. [2023-11-24 22:12:52,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:12:52,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:52,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:53,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:53,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 22:12:53,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:53,138 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:12:54,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:54,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 122 states and 287 transitions. [2023-11-24 22:12:54,744 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 287 transitions. [2023-11-24 22:12:54,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:12:54,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:54,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:54,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:54,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 22:12:54,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:54,846 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:55,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:55,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 122 states and 286 transitions. [2023-11-24 22:12:55,344 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 286 transitions. [2023-11-24 22:12:55,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:12:55,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:55,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:55,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 22:12:55,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:55,508 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:12:57,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:57,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 125 states and 289 transitions. [2023-11-24 22:12:57,222 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 289 transitions. [2023-11-24 22:12:57,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:12:57,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:57,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:57,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 22:12:57,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:57,325 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:57,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:57,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 125 states and 288 transitions. [2023-11-24 22:12:57,842 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 288 transitions. [2023-11-24 22:12:57,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:12:57,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:57,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:57,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:57,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 22:12:57,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:57,953 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:58,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:58,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 125 states and 287 transitions. [2023-11-24 22:12:58,475 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 287 transitions. [2023-11-24 22:12:58,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:12:58,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:58,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:58,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-24 22:12:58,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:58,899 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 11 proven. 94 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 22:13:01,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:01,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 129 states and 309 transitions. [2023-11-24 22:13:01,515 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 309 transitions. [2023-11-24 22:13:01,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:13:01,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:01,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:01,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:01,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-24 22:13:01,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:01,694 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 11 proven. 94 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 22:13:03,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:03,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 132 states and 312 transitions. [2023-11-24 22:13:03,444 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 312 transitions. [2023-11-24 22:13:03,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:13:03,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:03,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:03,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-24 22:13:03,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:03,600 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 11 proven. 94 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 22:13:05,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:05,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 135 states and 316 transitions. [2023-11-24 22:13:05,798 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 316 transitions. [2023-11-24 22:13:05,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:13:05,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:05,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:05,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-24 22:13:05,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:05,969 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 11 proven. 94 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.