./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/cohendiv-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_262c8887-1bfa-45e2-b57a-c7de666b7136/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262c8887-1bfa-45e2-b57a-c7de666b7136/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262c8887-1bfa-45e2-b57a-c7de666b7136/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262c8887-1bfa-45e2-b57a-c7de666b7136/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/cohendiv-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262c8887-1bfa-45e2-b57a-c7de666b7136/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262c8887-1bfa-45e2-b57a-c7de666b7136/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 601ddeb38cc85433f6271611bfd2617c2fcbf2b89119dbe2c319aedc14aa3b17 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:43:08,542 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:43:08,659 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262c8887-1bfa-45e2-b57a-c7de666b7136/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:43:08,666 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:43:08,667 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:43:08,704 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:43:08,705 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:43:08,706 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:43:08,707 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:43:08,711 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:43:08,713 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:43:08,713 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:43:08,714 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:43:08,715 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:43:08,716 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:43:08,716 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:43:08,716 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:43:08,717 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:43:08,717 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:43:08,718 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:43:08,718 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:43:08,719 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:43:08,719 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:43:08,720 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:43:08,720 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:43:08,721 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:43:08,721 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:43:08,722 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:43:08,722 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:08,723 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:43:08,724 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:43:08,724 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:43:08,724 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:43:08,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:43:08,725 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:43:08,725 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_262c8887-1bfa-45e2-b57a-c7de666b7136/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262c8887-1bfa-45e2-b57a-c7de666b7136/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 601ddeb38cc85433f6271611bfd2617c2fcbf2b89119dbe2c319aedc14aa3b17 [2023-11-21 18:43:09,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:43:09,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:43:09,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:43:09,078 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:43:09,079 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:43:09,080 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262c8887-1bfa-45e2-b57a-c7de666b7136/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench/cohendiv-ll.c [2023-11-21 18:43:12,136 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:43:12,384 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:43:12,385 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262c8887-1bfa-45e2-b57a-c7de666b7136/sv-benchmarks/c/nla-digbench/cohendiv-ll.c [2023-11-21 18:43:12,393 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262c8887-1bfa-45e2-b57a-c7de666b7136/bin/ukojak-verify-i0I2FZA1j2/data/39406738d/7db1924f6d3448b295c75ca1fb6a9970/FLAGb46f39248 [2023-11-21 18:43:12,411 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262c8887-1bfa-45e2-b57a-c7de666b7136/bin/ukojak-verify-i0I2FZA1j2/data/39406738d/7db1924f6d3448b295c75ca1fb6a9970 [2023-11-21 18:43:12,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:43:12,419 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:43:12,422 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:12,423 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:43:12,428 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:43:12,429 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:12" (1/1) ... [2023-11-21 18:43:12,430 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d2826b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:12, skipping insertion in model container [2023-11-21 18:43:12,430 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:12" (1/1) ... [2023-11-21 18:43:12,455 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:43:12,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:12,690 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:43:12,714 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:12,729 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:43:12,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:12 WrapperNode [2023-11-21 18:43:12,730 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:12,731 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:12,731 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:43:12,731 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:43:12,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:12" (1/1) ... [2023-11-21 18:43:12,752 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:12" (1/1) ... [2023-11-21 18:43:12,774 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2023-11-21 18:43:12,774 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:12,775 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:43:12,775 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:43:12,775 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:43:12,789 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:12" (1/1) ... [2023-11-21 18:43:12,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:12" (1/1) ... [2023-11-21 18:43:12,791 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:12" (1/1) ... [2023-11-21 18:43:12,791 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:12" (1/1) ... [2023-11-21 18:43:12,796 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:12" (1/1) ... [2023-11-21 18:43:12,799 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:12" (1/1) ... [2023-11-21 18:43:12,801 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:12" (1/1) ... [2023-11-21 18:43:12,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:12" (1/1) ... [2023-11-21 18:43:12,804 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:43:12,805 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:43:12,805 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:43:12,805 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:43:12,806 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:12" (1/1) ... [2023-11-21 18:43:12,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:12,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262c8887-1bfa-45e2-b57a-c7de666b7136/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:43:12,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262c8887-1bfa-45e2-b57a-c7de666b7136/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:43:12,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262c8887-1bfa-45e2-b57a-c7de666b7136/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:43:12,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:43:12,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:43:12,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:43:12,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:43:12,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:43:12,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:43:12,969 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:43:12,972 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:43:13,266 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:43:13,320 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:43:13,321 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:43:13,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:43:13 BoogieIcfgContainer [2023-11-21 18:43:13,323 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:43:13,324 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:43:13,324 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:43:13,335 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:43:13,336 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:43:13" (1/1) ... [2023-11-21 18:43:13,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:43:13,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:13,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 76 states and 85 transitions. [2023-11-21 18:43:13,407 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2023-11-21 18:43:13,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:43:13,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:13,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:13,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:13,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:13,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:13,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:13,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 78 states and 87 transitions. [2023-11-21 18:43:13,679 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2023-11-21 18:43:13,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:43:13,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:13,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:13,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:13,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:13,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:13,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:13,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 79 states and 88 transitions. [2023-11-21 18:43:13,760 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 88 transitions. [2023-11-21 18:43:13,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:43:13,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:13,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:13,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:13,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:13,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:13,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:13,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 84 states and 96 transitions. [2023-11-21 18:43:13,947 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 96 transitions. [2023-11-21 18:43:13,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:43:13,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:13,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:13,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:13,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:14,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:14,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:14,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 85 states and 97 transitions. [2023-11-21 18:43:14,029 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 97 transitions. [2023-11-21 18:43:14,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:43:14,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:14,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:14,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:43:14,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:14,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:14,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:14,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 92 states and 107 transitions. [2023-11-21 18:43:14,321 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 107 transitions. [2023-11-21 18:43:14,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:43:14,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:14,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:14,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:43:14,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:14,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:14,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:14,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 100 states and 119 transitions. [2023-11-21 18:43:14,664 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 119 transitions. [2023-11-21 18:43:14,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:43:14,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:14,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:14,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:14,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:43:14,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:14,751 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:43:14,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:14,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 103 states and 124 transitions. [2023-11-21 18:43:14,822 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 124 transitions. [2023-11-21 18:43:14,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:43:14,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:14,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:14,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:43:14,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:14,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:43:14,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:15,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 107 states and 130 transitions. [2023-11-21 18:43:15,001 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 130 transitions. [2023-11-21 18:43:15,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:43:15,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:15,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:15,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:43:15,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:15,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:43:15,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:15,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 107 states and 129 transitions. [2023-11-21 18:43:15,046 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 129 transitions. [2023-11-21 18:43:15,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:43:15,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:15,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:15,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:43:15,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:15,152 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:43:15,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:15,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 119 states and 151 transitions. [2023-11-21 18:43:15,954 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 151 transitions. [2023-11-21 18:43:15,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:43:15,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:15,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:16,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:43:16,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:16,059 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:43:16,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:16,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 124 states and 158 transitions. [2023-11-21 18:43:16,694 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 158 transitions. [2023-11-21 18:43:16,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:43:16,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:16,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:16,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:43:16,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:16,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:43:17,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:17,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 129 states and 171 transitions. [2023-11-21 18:43:17,282 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 171 transitions. [2023-11-21 18:43:17,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:43:17,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:17,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:17,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:43:17,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:17,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:43:18,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:18,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 133 states and 175 transitions. [2023-11-21 18:43:18,155 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 175 transitions. [2023-11-21 18:43:18,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:43:18,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:18,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:18,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:18,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:43:18,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:18,232 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:18,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:18,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 138 states and 183 transitions. [2023-11-21 18:43:18,838 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 183 transitions. [2023-11-21 18:43:18,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:43:18,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:18,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:18,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:43:18,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:18,913 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:19,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:19,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 144 states and 192 transitions. [2023-11-21 18:43:19,860 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 192 transitions. [2023-11-21 18:43:19,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:43:19,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:19,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:19,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:43:19,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:19,931 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:20,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:20,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 151 states and 202 transitions. [2023-11-21 18:43:20,504 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 202 transitions. [2023-11-21 18:43:20,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:43:20,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:20,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:20,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:43:20,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:20,565 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:21,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:21,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 159 states and 214 transitions. [2023-11-21 18:43:21,240 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 214 transitions. [2023-11-21 18:43:21,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:43:21,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:21,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:21,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:21,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:21,362 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:43:22,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:22,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 170 states and 231 transitions. [2023-11-21 18:43:22,923 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 231 transitions. [2023-11-21 18:43:22,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:43:22,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:22,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:22,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:22,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:43:22,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:23,068 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:43:24,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:24,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 182 states and 249 transitions. [2023-11-21 18:43:24,901 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 249 transitions. [2023-11-21 18:43:24,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:43:24,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:24,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:24,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:24,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:25,036 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:43:27,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:27,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 196 states and 272 transitions. [2023-11-21 18:43:27,207 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 272 transitions. [2023-11-21 18:43:27,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:43:27,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:27,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:27,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:43:27,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:27,291 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:43:29,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:29,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 208 states and 292 transitions. [2023-11-21 18:43:29,892 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 292 transitions. [2023-11-21 18:43:29,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:43:29,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:29,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:29,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:29,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:43:29,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:30,214 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:43:32,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:32,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 223 states and 315 transitions. [2023-11-21 18:43:32,377 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 315 transitions. [2023-11-21 18:43:32,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:43:32,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:32,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:32,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:43:32,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:32,651 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:43:34,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:34,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 238 states and 338 transitions. [2023-11-21 18:43:34,851 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 338 transitions. [2023-11-21 18:43:34,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:43:34,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:34,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:34,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:34,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:35,240 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:43:38,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:38,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 256 states and 369 transitions. [2023-11-21 18:43:38,869 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 369 transitions. [2023-11-21 18:43:38,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:43:38,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:38,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:38,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:43:38,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:38,990 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:43:40,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:40,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 269 states and 390 transitions. [2023-11-21 18:43:40,622 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 390 transitions. [2023-11-21 18:43:40,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:43:40,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:40,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:40,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:40,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:40,888 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:43:43,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:43,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 288 states and 422 transitions. [2023-11-21 18:43:43,197 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 422 transitions. [2023-11-21 18:43:43,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:43:43,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:43,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:43,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:43:43,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:43,536 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:43:43,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:43,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 289 states and 424 transitions. [2023-11-21 18:43:43,930 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 424 transitions. [2023-11-21 18:43:43,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:43:43,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:43,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:43,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:43:43,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:44,248 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:43:46,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:46,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 295 states and 434 transitions. [2023-11-21 18:43:46,593 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 434 transitions. [2023-11-21 18:43:46,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:43:46,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:46,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:46,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:43:46,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:46,739 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:43:49,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:49,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 302 states and 445 transitions. [2023-11-21 18:43:49,818 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 445 transitions. [2023-11-21 18:43:49,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:43:49,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:49,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:49,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:43:49,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:49,960 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:43:50,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:50,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 304 states and 449 transitions. [2023-11-21 18:43:50,090 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 449 transitions. [2023-11-21 18:43:50,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:43:50,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:50,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:50,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:43:50,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:50,246 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:43:50,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:50,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 307 states and 454 transitions. [2023-11-21 18:43:50,503 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 454 transitions. [2023-11-21 18:43:50,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:43:50,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:50,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:50,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:43:50,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:50,633 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:43:51,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:51,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 315 states and 468 transitions. [2023-11-21 18:43:51,889 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 468 transitions. [2023-11-21 18:43:51,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:43:51,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:51,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:51,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:51,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:43:51,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:52,494 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:43:56,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:56,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 334 states and 498 transitions. [2023-11-21 18:43:56,742 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 498 transitions. [2023-11-21 18:43:56,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:43:56,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:56,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:56,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:43:56,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:56,980 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:43:58,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:58,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 337 states and 501 transitions. [2023-11-21 18:43:58,444 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 501 transitions. [2023-11-21 18:43:58,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:43:58,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:58,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:58,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:43:58,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:58,585 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:44:00,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:00,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 346 states and 515 transitions. [2023-11-21 18:44:00,209 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 515 transitions. [2023-11-21 18:44:00,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:44:00,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:00,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:00,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:44:00,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:00,837 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:44:03,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:03,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 352 states and 525 transitions. [2023-11-21 18:44:03,639 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 525 transitions. [2023-11-21 18:44:03,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:44:03,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:03,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:03,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:44:03,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:04,197 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.