./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_1b9a1abd-1328-446b-bda0-3d63a9be4823/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9a1abd-1328-446b-bda0-3d63a9be4823/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9a1abd-1328-446b-bda0-3d63a9be4823/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9a1abd-1328-446b-bda0-3d63a9be4823/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9a1abd-1328-446b-bda0-3d63a9be4823/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9a1abd-1328-446b-bda0-3d63a9be4823/bin/ukojak-verify-G8NBE6pJGL --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 7cdbf1a1c8f20bea42ab4ad35fbada62352deeb8460cfeb3778e870071fb234e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:58:14,509 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:58:14,598 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9a1abd-1328-446b-bda0-3d63a9be4823/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:58:14,605 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:58:14,605 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:58:14,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:58:14,658 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:58:14,658 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:58:14,659 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:58:14,664 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:58:14,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:58:14,666 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:58:14,667 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:58:14,669 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:58:14,669 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:58:14,670 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:58:14,670 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:58:14,670 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:58:14,671 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:58:14,671 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:58:14,672 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:58:14,672 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:58:14,673 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:58:14,673 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:58:14,673 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:58:14,674 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:58:14,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:58:14,675 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:58:14,676 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:58:14,676 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:58:14,677 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:58:14,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:58:14,678 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:58:14,678 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_1b9a1abd-1328-446b-bda0-3d63a9be4823/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9a1abd-1328-446b-bda0-3d63a9be4823/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cdbf1a1c8f20bea42ab4ad35fbada62352deeb8460cfeb3778e870071fb234e [2023-11-19 02:58:14,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:58:15,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:58:15,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:58:15,026 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:58:15,027 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:58:15,028 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9a1abd-1328-446b-bda0-3d63a9be4823/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound100.c [2023-11-19 02:58:18,159 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:58:18,397 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:58:18,401 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9a1abd-1328-446b-bda0-3d63a9be4823/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound100.c [2023-11-19 02:58:18,412 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9a1abd-1328-446b-bda0-3d63a9be4823/bin/ukojak-verify-G8NBE6pJGL/data/a6806a0e9/6c109de297d146e29747786a423003da/FLAG69ca1d087 [2023-11-19 02:58:18,429 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9a1abd-1328-446b-bda0-3d63a9be4823/bin/ukojak-verify-G8NBE6pJGL/data/a6806a0e9/6c109de297d146e29747786a423003da [2023-11-19 02:58:18,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:58:18,439 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:58:18,444 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:18,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:58:18,450 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:58:18,453 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:18" (1/1) ... [2023-11-19 02:58:18,456 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a85bc6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:18, skipping insertion in model container [2023-11-19 02:58:18,456 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:18" (1/1) ... [2023-11-19 02:58:18,490 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:58:18,674 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_1b9a1abd-1328-446b-bda0-3d63a9be4823/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound100.c[576,589] [2023-11-19 02:58:18,693 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:18,702 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:58:18,713 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_1b9a1abd-1328-446b-bda0-3d63a9be4823/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound100.c[576,589] [2023-11-19 02:58:18,720 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:18,732 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:58:18,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:18 WrapperNode [2023-11-19 02:58:18,733 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:18,734 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:18,734 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:58:18,734 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:58:18,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:18" (1/1) ... [2023-11-19 02:58:18,747 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:18" (1/1) ... [2023-11-19 02:58:18,763 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2023-11-19 02:58:18,764 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:18,765 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:58:18,765 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:58:18,765 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:58:18,772 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:18" (1/1) ... [2023-11-19 02:58:18,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:18" (1/1) ... [2023-11-19 02:58:18,774 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:18" (1/1) ... [2023-11-19 02:58:18,774 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:18" (1/1) ... [2023-11-19 02:58:18,778 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:18" (1/1) ... [2023-11-19 02:58:18,781 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:18" (1/1) ... [2023-11-19 02:58:18,783 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:18" (1/1) ... [2023-11-19 02:58:18,784 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:18" (1/1) ... [2023-11-19 02:58:18,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:58:18,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:58:18,787 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:58:18,787 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:58:18,788 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:18" (1/1) ... [2023-11-19 02:58:18,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:58:18,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9a1abd-1328-446b-bda0-3d63a9be4823/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:58:18,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9a1abd-1328-446b-bda0-3d63a9be4823/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:58:18,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9a1abd-1328-446b-bda0-3d63a9be4823/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:58:18,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:58:18,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:58:18,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:58:18,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:58:18,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:58:18,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:58:18,954 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:58:18,958 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:58:19,215 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:58:19,286 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:58:19,286 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:58:19,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:19 BoogieIcfgContainer [2023-11-19 02:58:19,292 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:58:19,294 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:58:19,294 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:58:19,305 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:58:19,305 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:19" (1/1) ... [2023-11-19 02:58:19,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:58:19,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:19,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-19 02:58:19,403 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-19 02:58:19,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:58:19,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:19,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:19,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:58:19,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:19,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:58:19,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:19,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2023-11-19 02:58:19,653 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2023-11-19 02:58:19,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:58:19,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:19,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:19,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:58:19,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:19,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:58:19,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:19,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-11-19 02:58:19,803 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-11-19 02:58:19,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:58:19,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:19,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:19,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:58:19,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:19,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:58:20,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:20,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 31 states and 52 transitions. [2023-11-19 02:58:20,210 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2023-11-19 02:58:20,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:58:20,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:20,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:20,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:58:20,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:20,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:58:21,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:21,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2023-11-19 02:58:21,049 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2023-11-19 02:58:21,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:58:21,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:21,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:21,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:58:21,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:21,220 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:58:21,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:21,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 37 states and 66 transitions. [2023-11-19 02:58:21,405 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2023-11-19 02:58:21,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:58:21,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:21,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:21,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:58:21,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:21,506 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:58:21,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:21,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2023-11-19 02:58:21,571 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2023-11-19 02:58:21,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:58:21,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:21,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:21,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:21,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:58:21,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:21,721 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:58:23,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:23,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 49 states and 105 transitions. [2023-11-19 02:58:23,168 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 105 transitions. [2023-11-19 02:58:23,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:58:23,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:23,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:23,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:58:23,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:23,285 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:58:24,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:24,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 54 states and 120 transitions. [2023-11-19 02:58:24,100 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 120 transitions. [2023-11-19 02:58:24,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:58:24,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:24,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:24,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:58:24,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:24,309 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:58:26,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:26,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 64 states and 151 transitions. [2023-11-19 02:58:26,240 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 151 transitions. [2023-11-19 02:58:26,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:58:26,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:26,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:26,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:58:26,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:26,469 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:58:27,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:27,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 68 states and 172 transitions. [2023-11-19 02:58:27,156 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 172 transitions. [2023-11-19 02:58:27,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:58:27,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:27,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:27,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:27,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:58:27,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:27,258 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:58:28,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:28,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 75 states and 198 transitions. [2023-11-19 02:58:28,546 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 198 transitions. [2023-11-19 02:58:28,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:58:28,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:28,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:28,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:28,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:58:28,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:28,804 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 02:58:30,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:31,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 86 states and 271 transitions. [2023-11-19 02:58:31,003 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 271 transitions. [2023-11-19 02:58:31,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:58:31,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:31,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:31,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:58:31,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:31,111 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:58:31,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:31,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 88 states and 272 transitions. [2023-11-19 02:58:31,644 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 272 transitions. [2023-11-19 02:58:31,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 02:58:31,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:31,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:31,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:31,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:58:31,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:31,881 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 02:58:33,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:33,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 95 states and 305 transitions. [2023-11-19 02:58:33,643 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 305 transitions. [2023-11-19 02:58:33,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 02:58:33,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:33,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:33,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:58:33,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:33,806 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 02:58:34,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:34,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 97 states and 306 transitions. [2023-11-19 02:58:34,499 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 306 transitions. [2023-11-19 02:58:34,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 02:58:34,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:34,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:34,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 02:58:34,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:34,968 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-19 02:58:37,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:37,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 108 states and 352 transitions. [2023-11-19 02:58:37,524 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 352 transitions. [2023-11-19 02:58:37,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:58:37,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:37,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:37,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:58:37,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:37,769 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 02:58:39,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:39,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 112 states and 355 transitions. [2023-11-19 02:58:39,247 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 355 transitions. [2023-11-19 02:58:39,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:58:39,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:39,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:39,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:58:39,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:39,383 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-11-19 02:58:41,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:41,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 117 states and 368 transitions. [2023-11-19 02:58:41,294 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 368 transitions. [2023-11-19 02:58:41,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:58:41,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:41,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:41,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:58:41,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:41,609 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 02:58:43,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:43,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 121 states and 380 transitions. [2023-11-19 02:58:43,452 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 380 transitions. [2023-11-19 02:58:43,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:58:43,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:43,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:43,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:58:43,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:44,023 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 02:58:47,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:47,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 127 states and 409 transitions. [2023-11-19 02:58:47,215 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 409 transitions. [2023-11-19 02:58:47,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:58:47,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:47,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:47,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:58:47,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:47,287 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 02:58:48,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:48,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 129 states and 410 transitions. [2023-11-19 02:58:48,251 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 410 transitions. [2023-11-19 02:58:48,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:58:48,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:48,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:48,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:58:48,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:48,325 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-11-19 02:58:48,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:48,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 130 states and 411 transitions. [2023-11-19 02:58:48,856 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 411 transitions. [2023-11-19 02:58:48,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 02:58:48,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:48,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:48,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 02:58:48,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:49,841 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 49 proven. 18 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-11-19 02:58:53,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:53,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 136 states and 459 transitions. [2023-11-19 02:58:53,572 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 459 transitions. [2023-11-19 02:58:53,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:58:53,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:53,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:53,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:53,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:58:53,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:53,949 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 18 proven. 112 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:58:57,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:57,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 143 states and 488 transitions. [2023-11-19 02:58:57,750 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 488 transitions. [2023-11-19 02:58:57,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:58:57,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:57,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:57,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:58:57,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:57,980 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2023-11-19 02:59:00,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:00,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 147 states and 507 transitions. [2023-11-19 02:59:00,012 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 507 transitions. [2023-11-19 02:59:00,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:59:00,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:00,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:00,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:00,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:59:00,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:00,077 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2023-11-19 02:59:01,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:01,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 149 states and 508 transitions. [2023-11-19 02:59:01,258 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 508 transitions. [2023-11-19 02:59:01,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:59:01,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:01,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:01,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:59:01,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:01,332 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2023-11-19 02:59:02,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:02,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 151 states and 509 transitions. [2023-11-19 02:59:02,390 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 509 transitions. [2023-11-19 02:59:02,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 02:59:02,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:02,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:02,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 02:59:02,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:03,260 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 02:59:08,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:08,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 159 states and 561 transitions. [2023-11-19 02:59:08,488 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 561 transitions. [2023-11-19 02:59:08,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 02:59:08,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:08,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:08,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:59:08,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:09,080 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 02:59:12,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:12,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 163 states and 591 transitions. [2023-11-19 02:59:12,195 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 591 transitions. [2023-11-19 02:59:12,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 02:59:12,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:12,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:12,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 02:59:12,239 INFO L285 TraceCheckSpWp]: Computing forward predicates...