./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/ps2.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_e3ae6ff7-84f3-428b-bc56-73e0d93fd9c7/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ae6ff7-84f3-428b-bc56-73e0d93fd9c7/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_e3ae6ff7-84f3-428b-bc56-73e0d93fd9c7/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ae6ff7-84f3-428b-bc56-73e0d93fd9c7/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ae6ff7-84f3-428b-bc56-73e0d93fd9c7/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_e3ae6ff7-84f3-428b-bc56-73e0d93fd9c7/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 25490720cd12fbf92ba4299aab4e23d4e509bef5b5242c3c32f3ef2d8d785b67 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:41:11,444 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:41:11,605 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ae6ff7-84f3-428b-bc56-73e0d93fd9c7/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:41:11,626 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:41:11,626 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:41:11,667 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:41:11,670 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:41:11,671 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:41:11,672 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:41:11,677 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:41:11,678 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:41:11,678 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:41:11,679 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:41:11,681 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:41:11,681 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:41:11,682 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:41:11,682 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:41:11,683 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:41:11,683 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:41:11,683 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:41:11,684 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:41:11,685 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:41:11,685 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:41:11,686 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:41:11,687 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:41:11,687 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:41:11,688 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:41:11,688 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:41:11,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:11,689 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:41:11,690 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:41:11,691 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:41:11,691 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:41:11,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:41:11,692 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:41:11,692 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_e3ae6ff7-84f3-428b-bc56-73e0d93fd9c7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ae6ff7-84f3-428b-bc56-73e0d93fd9c7/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25490720cd12fbf92ba4299aab4e23d4e509bef5b5242c3c32f3ef2d8d785b67 [2023-11-21 18:41:12,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:41:12,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:41:12,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:41:12,094 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:41:12,095 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:41:12,096 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ae6ff7-84f3-428b-bc56-73e0d93fd9c7/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench/ps2.c [2023-11-21 18:41:15,261 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:41:15,451 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:41:15,452 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ae6ff7-84f3-428b-bc56-73e0d93fd9c7/sv-benchmarks/c/nla-digbench/ps2.c [2023-11-21 18:41:15,465 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ae6ff7-84f3-428b-bc56-73e0d93fd9c7/bin/ukojak-verify-i0I2FZA1j2/data/588c50b23/286dc3d642534377bb0c5ee99848d044/FLAGf3e0806ed [2023-11-21 18:41:15,482 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ae6ff7-84f3-428b-bc56-73e0d93fd9c7/bin/ukojak-verify-i0I2FZA1j2/data/588c50b23/286dc3d642534377bb0c5ee99848d044 [2023-11-21 18:41:15,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:41:15,486 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:41:15,488 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:15,488 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:41:15,494 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:41:15,495 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:15" (1/1) ... [2023-11-21 18:41:15,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a5dc903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:15, skipping insertion in model container [2023-11-21 18:41:15,497 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:15" (1/1) ... [2023-11-21 18:41:15,518 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:41:15,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:15,726 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:41:15,744 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:15,759 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:41:15,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:15 WrapperNode [2023-11-21 18:41:15,760 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:15,761 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:15,761 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:41:15,762 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:41:15,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:15" (1/1) ... [2023-11-21 18:41:15,776 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:15" (1/1) ... [2023-11-21 18:41:15,798 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2023-11-21 18:41:15,799 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:15,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:41:15,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:41:15,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:41:15,810 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:15" (1/1) ... [2023-11-21 18:41:15,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:15" (1/1) ... [2023-11-21 18:41:15,813 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:15" (1/1) ... [2023-11-21 18:41:15,813 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:15" (1/1) ... [2023-11-21 18:41:15,816 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:15" (1/1) ... [2023-11-21 18:41:15,820 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:15" (1/1) ... [2023-11-21 18:41:15,821 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:15" (1/1) ... [2023-11-21 18:41:15,822 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:15" (1/1) ... [2023-11-21 18:41:15,824 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:41:15,826 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:41:15,826 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:41:15,826 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:41:15,827 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:15" (1/1) ... [2023-11-21 18:41:15,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:15,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ae6ff7-84f3-428b-bc56-73e0d93fd9c7/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:41:15,863 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ae6ff7-84f3-428b-bc56-73e0d93fd9c7/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:41:15,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ae6ff7-84f3-428b-bc56-73e0d93fd9c7/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:41:15,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:41:15,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:41:15,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:41:15,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:41:15,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:41:15,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:41:15,994 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:41:15,997 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:41:16,328 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:41:16,382 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:41:16,382 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:41:16,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:16 BoogieIcfgContainer [2023-11-21 18:41:16,385 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:41:16,386 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:41:16,386 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:41:16,397 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:41:16,398 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:16" (1/1) ... [2023-11-21 18:41:16,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:41:16,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:16,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 53 states and 55 transitions. [2023-11-21 18:41:16,481 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2023-11-21 18:41:16,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:41:16,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:16,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:16,644 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 18:41:16,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:16,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 52 states and 53 transitions. [2023-11-21 18:41:16,686 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2023-11-21 18:41:16,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:41:16,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:16,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:16,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:41:16,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:16,749 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 18:41:16,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:16,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 55 states and 57 transitions. [2023-11-21 18:41:16,789 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2023-11-21 18:41:16,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:41:16,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:16,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:16,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:16,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:16,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:16,829 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 18:41:16,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:16,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 59 states and 63 transitions. [2023-11-21 18:41:16,951 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2023-11-21 18:41:16,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:41:16,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:16,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:16,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:16,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:17,002 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 18:41:17,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:17,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 64 states and 70 transitions. [2023-11-21 18:41:17,133 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 70 transitions. [2023-11-21 18:41:17,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:41:17,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:17,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:17,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:17,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:41:17,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:17,183 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 18:41:17,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:17,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 65 states and 71 transitions. [2023-11-21 18:41:17,202 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2023-11-21 18:41:17,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:41:17,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:17,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:17,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:41:17,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:17,279 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 18:41:17,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:17,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 68 states and 75 transitions. [2023-11-21 18:41:17,504 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2023-11-21 18:41:17,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:41:17,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:17,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:17,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:17,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:41:17,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:17,597 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 18:41:17,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:17,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 73 states and 82 transitions. [2023-11-21 18:41:17,826 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2023-11-21 18:41:17,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:41:17,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:17,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:17,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:41:17,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:17,957 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 18:41:18,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:18,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 79 states and 89 transitions. [2023-11-21 18:41:18,240 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2023-11-21 18:41:18,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:41:18,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:18,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:18,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:18,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:18,357 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 18:41:18,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:18,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 91 states and 106 transitions. [2023-11-21 18:41:18,635 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 106 transitions. [2023-11-21 18:41:18,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:41:18,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:18,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:18,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:41:18,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:18,684 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 18:41:18,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:18,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 90 states and 105 transitions. [2023-11-21 18:41:18,698 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 105 transitions. [2023-11-21 18:41:18,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:41:18,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:18,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:18,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:18,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:18,789 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 18:41:19,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:19,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 103 states and 123 transitions. [2023-11-21 18:41:19,219 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 123 transitions. [2023-11-21 18:41:19,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:41:19,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:19,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:19,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:19,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:19,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:19,316 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 18:41:19,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:19,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 107 states and 131 transitions. [2023-11-21 18:41:19,534 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 131 transitions. [2023-11-21 18:41:19,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:41:19,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:19,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:19,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:19,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:19,621 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 18:41:20,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:20,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 113 states and 144 transitions. [2023-11-21 18:41:20,169 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 144 transitions. [2023-11-21 18:41:20,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:41:20,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:20,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:20,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:20,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:20,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:20,248 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 18:41:20,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:20,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 116 states and 149 transitions. [2023-11-21 18:41:20,609 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 149 transitions. [2023-11-21 18:41:20,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:41:20,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:20,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:20,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:20,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:20,714 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 18:41:21,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:21,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 122 states and 160 transitions. [2023-11-21 18:41:21,228 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 160 transitions. [2023-11-21 18:41:21,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:41:21,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:21,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:21,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:21,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:21,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:21,299 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 18:41:21,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:21,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 129 states and 173 transitions. [2023-11-21 18:41:21,851 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 173 transitions. [2023-11-21 18:41:21,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:41:21,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:21,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:21,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:41:21,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:22,028 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 18:41:22,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:22,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 136 states and 185 transitions. [2023-11-21 18:41:22,596 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 185 transitions. [2023-11-21 18:41:22,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:41:22,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:22,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:22,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:22,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:22,706 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 18:41:22,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:22,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 135 states and 184 transitions. [2023-11-21 18:41:22,788 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 184 transitions. [2023-11-21 18:41:22,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:41:22,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:22,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:22,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:41:22,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:22,944 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 18:41:23,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:23,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 144 states and 198 transitions. [2023-11-21 18:41:23,650 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 198 transitions. [2023-11-21 18:41:23,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:41:23,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:23,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:23,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:23,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:23,753 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 18:41:24,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:24,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 150 states and 208 transitions. [2023-11-21 18:41:24,397 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 208 transitions. [2023-11-21 18:41:24,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:41:24,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:24,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:24,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:24,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:24,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:24,501 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 18:41:25,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:25,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 149 states and 207 transitions. [2023-11-21 18:41:25,085 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 207 transitions. [2023-11-21 18:41:25,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:41:25,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:25,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:25,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:25,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:25,194 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 18:41:26,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:26,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 157 states and 217 transitions. [2023-11-21 18:41:26,376 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 217 transitions. [2023-11-21 18:41:26,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:41:26,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:26,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:26,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:41:26,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:26,483 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:26,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:26,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 161 states and 225 transitions. [2023-11-21 18:41:26,733 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 225 transitions. [2023-11-21 18:41:26,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:41:26,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:26,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:26,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:26,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:41:26,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:26,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:27,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:27,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 165 states and 228 transitions. [2023-11-21 18:41:27,077 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 228 transitions. [2023-11-21 18:41:27,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:41:27,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:27,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:27,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:27,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:41:27,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:27,231 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:27,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:27,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 170 states and 235 transitions. [2023-11-21 18:41:27,577 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 235 transitions. [2023-11-21 18:41:27,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:41:27,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:27,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:27,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:41:27,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:27,760 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:28,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:28,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 173 states and 238 transitions. [2023-11-21 18:41:28,153 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 238 transitions. [2023-11-21 18:41:28,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:41:28,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:28,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:28,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:41:28,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:28,318 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:28,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:28,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 175 states and 242 transitions. [2023-11-21 18:41:28,914 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 242 transitions. [2023-11-21 18:41:28,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:41:28,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:28,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:28,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:41:28,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:29,243 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:29,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:29,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 178 states and 249 transitions. [2023-11-21 18:41:29,975 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 249 transitions. [2023-11-21 18:41:29,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:41:29,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:29,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:29,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:29,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:41:29,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:30,066 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:41:30,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:30,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 192 states and 264 transitions. [2023-11-21 18:41:30,933 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 264 transitions. [2023-11-21 18:41:30,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:41:30,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:30,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:30,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:30,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:41:30,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:31,056 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:41:32,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:32,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 209 states and 296 transitions. [2023-11-21 18:41:32,284 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 296 transitions. [2023-11-21 18:41:32,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:41:32,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:32,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:32,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:32,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:32,361 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:41:32,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:32,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 211 states and 300 transitions. [2023-11-21 18:41:32,625 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-11-21 18:41:32,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:41:32,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:32,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:32,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:41:32,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:32,738 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:41:33,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:33,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 215 states and 310 transitions. [2023-11-21 18:41:33,186 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 310 transitions. [2023-11-21 18:41:33,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:41:33,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:33,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:33,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:33,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:33,247 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:41:33,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:33,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 215 states and 309 transitions. [2023-11-21 18:41:33,516 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 309 transitions. [2023-11-21 18:41:33,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:41:33,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:33,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:33,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:41:33,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:33,652 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:41:34,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:34,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 224 states and 329 transitions. [2023-11-21 18:41:34,909 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 329 transitions. [2023-11-21 18:41:34,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:41:34,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:34,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:34,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:34,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:34,955 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-21 18:41:35,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:35,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 229 states and 336 transitions. [2023-11-21 18:41:35,616 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 336 transitions. [2023-11-21 18:41:35,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:41:35,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:35,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:35,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:41:35,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:35,880 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:41:36,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:36,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 235 states and 346 transitions. [2023-11-21 18:41:36,530 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 346 transitions. [2023-11-21 18:41:36,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:41:36,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:36,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:36,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:36,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:41:36,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:36,769 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:41:37,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:37,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 246 states and 365 transitions. [2023-11-21 18:41:37,873 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 365 transitions. [2023-11-21 18:41:37,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:41:37,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:37,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:37,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:41:37,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:38,026 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:41:38,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:38,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 251 states and 375 transitions. [2023-11-21 18:41:38,701 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 375 transitions. [2023-11-21 18:41:38,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:41:38,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:38,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:38,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:41:38,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:38,925 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:41:39,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:39,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 256 states and 380 transitions. [2023-11-21 18:41:39,660 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 380 transitions. [2023-11-21 18:41:39,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:41:39,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:39,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:39,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:41:39,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:39,933 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:41:40,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:40,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 261 states and 388 transitions. [2023-11-21 18:41:40,513 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 388 transitions. [2023-11-21 18:41:40,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:41:40,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:40,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:40,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:41:40,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:40,809 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:41:41,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:41,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 264 states and 398 transitions. [2023-11-21 18:41:41,740 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 398 transitions. [2023-11-21 18:41:41,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:41:41,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:41,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:41,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:41:41,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:42,012 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:41:42,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:42,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 267 states and 403 transitions. [2023-11-21 18:41:42,831 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 403 transitions. [2023-11-21 18:41:42,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:41:42,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:42,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:42,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:41:42,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:43,247 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:41:44,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:44,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 270 states and 408 transitions. [2023-11-21 18:41:44,008 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 408 transitions. [2023-11-21 18:41:44,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:41:44,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:44,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:44,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:41:44,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:44,177 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:41:44,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:44,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 280 states and 417 transitions. [2023-11-21 18:41:44,832 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 417 transitions. [2023-11-21 18:41:44,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:41:44,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:44,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:44,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:41:44,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:45,006 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:41:46,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:46,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 297 states and 455 transitions. [2023-11-21 18:41:46,737 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 455 transitions. [2023-11-21 18:41:46,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:41:46,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:46,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:46,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:46,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:46,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:46,797 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-11-21 18:41:47,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:47,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 299 states and 459 transitions. [2023-11-21 18:41:47,144 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 459 transitions. [2023-11-21 18:41:47,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:41:47,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:47,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:47,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:41:47,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:47,327 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:41:48,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:48,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 306 states and 475 transitions. [2023-11-21 18:41:48,795 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 475 transitions. [2023-11-21 18:41:48,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:41:48,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:48,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:48,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:48,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:48,842 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-21 18:41:49,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:49,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 306 states and 474 transitions. [2023-11-21 18:41:49,172 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 474 transitions. [2023-11-21 18:41:49,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:41:49,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:49,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:49,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:41:49,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:49,356 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:41:51,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:51,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 315 states and 495 transitions. [2023-11-21 18:41:51,002 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 495 transitions. [2023-11-21 18:41:51,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:41:51,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:51,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:51,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:51,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:51,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:51,048 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-21 18:41:51,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:51,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 320 states and 502 transitions. [2023-11-21 18:41:51,836 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 502 transitions. [2023-11-21 18:41:51,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:41:51,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:51,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:51,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:41:51,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:52,206 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:41:53,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:53,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 329 states and 516 transitions. [2023-11-21 18:41:53,621 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 516 transitions. [2023-11-21 18:41:53,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:41:53,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:53,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:53,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:41:53,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:53,974 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:41:55,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:55,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 340 states and 538 transitions. [2023-11-21 18:41:55,558 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 538 transitions. [2023-11-21 18:41:55,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:41:55,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:55,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:55,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:55,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:41:55,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:55,784 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:41:56,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:56,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 345 states and 549 transitions. [2023-11-21 18:41:56,850 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 549 transitions. [2023-11-21 18:41:56,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:41:56,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:56,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:56,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:41:56,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:57,261 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 51 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:41:58,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:58,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 350 states and 554 transitions. [2023-11-21 18:41:58,355 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 554 transitions. [2023-11-21 18:41:58,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:41:58,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:58,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:58,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:41:58,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:58,741 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:41:59,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:59,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 355 states and 563 transitions. [2023-11-21 18:41:59,554 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 563 transitions. [2023-11-21 18:41:59,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:41:59,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:59,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:59,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:59,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:41:59,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:00,121 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:42:01,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:01,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 358 states and 578 transitions. [2023-11-21 18:42:01,405 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 578 transitions. [2023-11-21 18:42:01,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-21 18:42:01,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:01,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:01,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:42:01,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:01,914 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:42:03,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:03,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 361 states and 585 transitions. [2023-11-21 18:42:03,045 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 585 transitions. [2023-11-21 18:42:03,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:42:03,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:03,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:03,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:42:03,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:03,716 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:42:04,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:04,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 364 states and 591 transitions. [2023-11-21 18:42:04,739 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 591 transitions. [2023-11-21 18:42:04,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-21 18:42:04,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:04,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:04,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:04,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:42:04,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:05,052 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:42:06,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:06,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 374 states and 600 transitions. [2023-11-21 18:42:06,139 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 600 transitions. [2023-11-21 18:42:06,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 18:42:06,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:06,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:06,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:42:06,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:06,383 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.