./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1118adf7-e921-4c31-a831-b5dc863001bc/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1118adf7-e921-4c31-a831-b5dc863001bc/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1118adf7-e921-4c31-a831-b5dc863001bc/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1118adf7-e921-4c31-a831-b5dc863001bc/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1118adf7-e921-4c31-a831-b5dc863001bc/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1118adf7-e921-4c31-a831-b5dc863001bc/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cb55eb0e5d7c4df3b95a55b83f19894edf68e79ccb0eab5e69a8aa23c994caed --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:09:12,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:09:12,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:09:12,616 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:09:12,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:09:12,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:09:12,620 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:09:12,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:09:12,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:09:12,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:09:12,629 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:09:12,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:09:12,631 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:09:12,633 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:09:12,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:09:12,637 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:09:12,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:09:12,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:09:12,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:09:12,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:09:12,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:09:12,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:09:12,652 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:09:12,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:09:12,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:09:12,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:09:12,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:09:12,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:09:12,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:09:12,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:09:12,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:09:12,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:09:12,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:09:12,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:09:12,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:09:12,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:09:12,671 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:09:12,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:09:12,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:09:12,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:09:12,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:09:12,676 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1118adf7-e921-4c31-a831-b5dc863001bc/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:09:12,707 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:09:12,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:09:12,709 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:09:12,710 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:09:12,711 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:09:12,711 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:09:12,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:09:12,712 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:09:12,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:09:12,719 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:09:12,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:09:12,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:09:12,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:09:12,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:09:12,721 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:09:12,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:09:12,721 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:09:12,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:09:12,722 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:09:12,722 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:09:12,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:09:12,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:09:12,723 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:09:12,723 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:09:12,724 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:09:12,724 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:09:12,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:09:12,724 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:09:12,725 INFO L138 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_1118adf7-e921-4c31-a831-b5dc863001bc/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1118adf7-e921-4c31-a831-b5dc863001bc/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb55eb0e5d7c4df3b95a55b83f19894edf68e79ccb0eab5e69a8aa23c994caed [2021-11-22 23:09:12,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:09:13,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:09:13,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:09:13,050 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:09:13,051 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:09:13,053 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1118adf7-e921-4c31-a831-b5dc863001bc/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound50.c [2021-11-22 23:09:13,149 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1118adf7-e921-4c31-a831-b5dc863001bc/bin/ukojak-LBtLqBUTdQ/data/b402933a7/64d23210dfda4f3fb690f06f87d37fba/FLAG5a5cb00a9 [2021-11-22 23:09:13,713 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:09:13,718 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1118adf7-e921-4c31-a831-b5dc863001bc/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound50.c [2021-11-22 23:09:13,733 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1118adf7-e921-4c31-a831-b5dc863001bc/bin/ukojak-LBtLqBUTdQ/data/b402933a7/64d23210dfda4f3fb690f06f87d37fba/FLAG5a5cb00a9 [2021-11-22 23:09:14,061 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1118adf7-e921-4c31-a831-b5dc863001bc/bin/ukojak-LBtLqBUTdQ/data/b402933a7/64d23210dfda4f3fb690f06f87d37fba [2021-11-22 23:09:14,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:09:14,065 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:09:14,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:09:14,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:09:14,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:09:14,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@99591cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14, skipping insertion in model container [2021-11-22 23:09:14,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:09:14,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:09:14,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1118adf7-e921-4c31-a831-b5dc863001bc/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound50.c[588,601] [2021-11-22 23:09:14,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:09:14,326 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:09:14,343 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1118adf7-e921-4c31-a831-b5dc863001bc/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound50.c[588,601] [2021-11-22 23:09:14,367 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:09:14,385 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:09:14,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14 WrapperNode [2021-11-22 23:09:14,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:09:14,387 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:09:14,387 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:09:14,387 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:09:14,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,426 INFO L137 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2021-11-22 23:09:14,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:09:14,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:09:14,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:09:14,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:09:14,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:09:14,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:09:14,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:09:14,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:09:14,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,475 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:09:14,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1118adf7-e921-4c31-a831-b5dc863001bc/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:09:14,500 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1118adf7-e921-4c31-a831-b5dc863001bc/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:09:14,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1118adf7-e921-4c31-a831-b5dc863001bc/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:09:14,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:09:14,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:09:14,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:09:14,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:09:14,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-22 23:09:14,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-22 23:09:14,617 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:09:14,620 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:09:14,817 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:09:14,853 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:09:14,855 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 23:09:14,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:09:14 BoogieIcfgContainer [2021-11-22 23:09:14,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:09:14,859 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:09:14,860 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:09:14,872 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:09:14,872 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:09:14,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:14,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2021-11-22 23:09:14,985 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2021-11-22 23:09:14,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:09:14,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:14,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:15,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:15,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:15,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2021-11-22 23:09:15,223 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2021-11-22 23:09:15,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:09:15,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:15,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:15,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:15,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:15,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2021-11-22 23:09:15,396 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2021-11-22 23:09:15,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:09:15,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:15,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:15,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:15,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:15,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:15,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 53 transitions. [2021-11-22 23:09:15,923 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2021-11-22 23:09:15,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:09:15,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:15,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:15,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:15,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:09:15,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:16,182 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:16,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:16,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 61 transitions. [2021-11-22 23:09:16,637 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2021-11-22 23:09:16,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:09:16,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:16,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:16,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:09:16,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:16,794 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:09:17,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:17,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 72 transitions. [2021-11-22 23:09:17,454 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 72 transitions. [2021-11-22 23:09:17,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:09:17,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:17,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:17,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 23:09:17,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:17,653 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:09:17,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:17,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 77 transitions. [2021-11-22 23:09:17,914 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 77 transitions. [2021-11-22 23:09:17,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:09:17,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:17,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:17,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:09:17,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:18,070 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-22 23:09:18,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:18,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 42 states and 80 transitions. [2021-11-22 23:09:18,133 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2021-11-22 23:09:18,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:09:18,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:18,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:18,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:09:18,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:18,336 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-22 23:09:18,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:18,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 79 transitions. [2021-11-22 23:09:18,884 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2021-11-22 23:09:18,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:09:18,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:18,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:18,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 23:09:18,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:19,151 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-22 23:09:20,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:20,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 55 states and 129 transitions. [2021-11-22 23:09:20,674 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 129 transitions. [2021-11-22 23:09:20,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:09:20,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:20,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:20,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:09:20,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:20,988 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-22 23:09:21,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:21,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 58 states and 134 transitions. [2021-11-22 23:09:21,768 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 134 transitions. [2021-11-22 23:09:21,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:09:21,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:21,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:21,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:09:21,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:21,994 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-22 23:09:22,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:22,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 60 states and 144 transitions. [2021-11-22 23:09:22,695 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 144 transitions. [2021-11-22 23:09:22,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:09:22,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:22,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:22,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-22 23:09:22,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:23,000 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-22 23:09:24,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:24,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 64 states and 156 transitions. [2021-11-22 23:09:24,110 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 156 transitions. [2021-11-22 23:09:24,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:09:24,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:24,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:24,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-22 23:09:24,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:24,450 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-22 23:09:24,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:24,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 64 states and 155 transitions. [2021-11-22 23:09:24,941 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 155 transitions. [2021-11-22 23:09:24,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:09:24,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:24,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:24,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:09:24,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:25,944 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-22 23:09:28,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:28,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 75 states and 189 transitions. [2021-11-22 23:09:28,479 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 189 transitions. [2021-11-22 23:09:28,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 23:09:28,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:28,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:28,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-22 23:09:28,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:28,740 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-22 23:09:30,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:30,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 78 states and 203 transitions. [2021-11-22 23:09:30,092 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 203 transitions. [2021-11-22 23:09:30,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 23:09:30,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:30,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:30,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-22 23:09:30,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:30,284 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-22 23:09:30,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:30,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 78 states and 202 transitions. [2021-11-22 23:09:30,854 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 202 transitions. [2021-11-22 23:09:30,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-22 23:09:30,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:30,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:30,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:30,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 23:09:30,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:31,055 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-22 23:09:31,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:31,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 80 states and 212 transitions. [2021-11-22 23:09:31,336 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 212 transitions. [2021-11-22 23:09:31,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-22 23:09:31,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:31,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:31,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-22 23:09:31,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:31,677 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-22 23:09:32,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:32,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 81 states and 216 transitions. [2021-11-22 23:09:32,473 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 216 transitions. [2021-11-22 23:09:32,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-22 23:09:32,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:32,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:32,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:09:32,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:33,279 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 29 proven. 13 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-22 23:09:33,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:33,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 82 states and 218 transitions. [2021-11-22 23:09:33,542 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 218 transitions. [2021-11-22 23:09:33,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:09:33,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:33,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:33,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:33,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:09:33,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:33,803 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-22 23:09:34,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:34,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 83 states and 224 transitions. [2021-11-22 23:09:34,662 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 224 transitions. [2021-11-22 23:09:34,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-22 23:09:34,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:34,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:34,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:09:34,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:35,564 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 28 proven. 19 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-11-22 23:09:37,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:37,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 85 states and 230 transitions. [2021-11-22 23:09:37,584 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 230 transitions. [2021-11-22 23:09:37,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:09:37,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:37,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:37,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:37,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:09:37,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:37,712 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2021-11-22 23:09:38,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:38,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 85 states and 228 transitions. [2021-11-22 23:09:38,037 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 228 transitions. [2021-11-22 23:09:38,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:09:38,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:38,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:38,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-22 23:09:38,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:38,320 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-22 23:09:39,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:39,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 88 states and 233 transitions. [2021-11-22 23:09:39,249 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 233 transitions. [2021-11-22 23:09:39,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:09:39,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:39,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:39,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:09:39,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:39,566 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 20 proven. 112 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-11-22 23:09:42,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:42,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 100 states and 324 transitions. [2021-11-22 23:09:42,397 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 324 transitions. [2021-11-22 23:09:42,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:09:42,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:42,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:42,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-22 23:09:42,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:42,590 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-22 23:09:43,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:43,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 103 states and 328 transitions. [2021-11-22 23:09:43,526 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 328 transitions. [2021-11-22 23:09:43,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:09:43,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:43,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:43,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:43,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:09:43,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:43,701 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 20 proven. 112 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-11-22 23:09:44,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:44,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 103 states and 327 transitions. [2021-11-22 23:09:44,053 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 327 transitions. [2021-11-22 23:09:44,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-22 23:09:44,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:44,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:44,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-22 23:09:44,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:44,675 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-22 23:09:44,696 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-22 23:09:48,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:48,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 111 states and 367 transitions. [2021-11-22 23:09:48,106 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 367 transitions. [2021-11-22 23:09:48,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-22 23:09:48,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:48,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:48,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:48,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-22 23:09:48,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:48,465 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-22 23:09:48,492 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-22 23:09:49,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:49,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 112 states and 368 transitions. [2021-11-22 23:09:49,800 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 368 transitions. [2021-11-22 23:09:49,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:09:49,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:49,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:49,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-22 23:09:49,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:50,393 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 22 proven. 16 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-22 23:09:52,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:52,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 116 states and 386 transitions. [2021-11-22 23:09:52,494 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 386 transitions. [2021-11-22 23:09:52,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:09:52,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:52,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:52,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:52,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-22 23:09:52,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:52,845 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 22 proven. 16 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-22 23:09:54,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:54,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 118 states and 388 transitions. [2021-11-22 23:09:54,384 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 388 transitions. [2021-11-22 23:09:54,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:09:54,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:54,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:54,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-22 23:09:54,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:54,949 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 22 proven. 16 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-22 23:09:55,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:55,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 120 states and 390 transitions. [2021-11-22 23:09:55,752 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 390 transitions. [2021-11-22 23:09:55,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:09:55,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:55,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:55,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-22 23:09:55,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:56,693 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-22 23:09:58,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:58,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 123 states and 413 transitions. [2021-11-22 23:09:58,771 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 413 transitions. [2021-11-22 23:09:58,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:09:58,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:58,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:58,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-22 23:09:58,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:59,427 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-22 23:10:02,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:02,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 128 states and 436 transitions. [2021-11-22 23:10:02,393 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 436 transitions. [2021-11-22 23:10:02,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:10:02,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:02,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:02,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-22 23:10:02,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:02,897 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-22 23:10:04,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:04,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 130 states and 437 transitions. [2021-11-22 23:10:04,196 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 437 transitions. [2021-11-22 23:10:04,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:10:04,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:04,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:04,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-22 23:10:04,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:04,593 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-22 23:10:05,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:05,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 132 states and 438 transitions. [2021-11-22 23:10:05,452 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 438 transitions. [2021-11-22 23:10:05,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-22 23:10:05,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:05,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:05,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:05,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:10:05,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:06,041 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-22 23:10:08,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:08,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 136 states and 470 transitions. [2021-11-22 23:10:08,095 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 470 transitions. [2021-11-22 23:10:08,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:10:08,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:08,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:08,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-22 23:10:08,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:08,660 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 26 proven. 20 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-22 23:10:10,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:10,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 137 states and 476 transitions. [2021-11-22 23:10:10,013 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 476 transitions. [2021-11-22 23:10:10,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-22 23:10:10,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:10,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:10,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:10:10,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:10,197 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 55 proven. 13 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2021-11-22 23:10:11,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:11,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 138 states and 479 transitions. [2021-11-22 23:10:11,651 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 479 transitions. [2021-11-22 23:10:11,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:10:11,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:11,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:11,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:11,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-22 23:10:11,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:12,097 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 28 proven. 22 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-11-22 23:10:12,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:12,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 139 states and 488 transitions. [2021-11-22 23:10:12,755 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 488 transitions. [2021-11-22 23:10:12,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-22 23:10:12,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:12,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:12,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:10:12,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:12,959 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2021-11-22 23:10:13,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:13,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 139 states and 485 transitions. [2021-11-22 23:10:13,552 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 485 transitions. [2021-11-22 23:10:13,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-22 23:10:13,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:13,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:13,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 23:10:13,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:14,132 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 330 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-22 23:10:18,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:18,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 151 states and 620 transitions. [2021-11-22 23:10:18,863 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 620 transitions. [2021-11-22 23:10:18,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-22 23:10:18,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:18,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:18,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-22 23:10:18,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:19,400 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 30 proven. 33 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-22 23:10:21,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:21,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 154 states and 624 transitions. [2021-11-22 23:10:21,235 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 624 transitions. [2021-11-22 23:10:21,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-22 23:10:21,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:21,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:21,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-22 23:10:21,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:21,490 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 30 proven. 33 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-22 23:10:23,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:23,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 157 states and 629 transitions. [2021-11-22 23:10:23,249 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 629 transitions. [2021-11-22 23:10:23,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-22 23:10:23,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:23,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:23,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 23:10:23,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:23,505 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 330 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-22 23:10:24,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:24,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 157 states and 628 transitions. [2021-11-22 23:10:24,218 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 628 transitions. [2021-11-22 23:10:24,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-22 23:10:24,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:24,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:24,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:24,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-22 23:10:24,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:24,513 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 30 proven. 33 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-22 23:10:25,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:25,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 160 states and 632 transitions. [2021-11-22 23:10:25,798 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 632 transitions. [2021-11-22 23:10:25,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-22 23:10:25,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:25,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:25,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 23:10:25,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:26,006 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 330 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-22 23:10:26,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:26,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 160 states and 631 transitions. [2021-11-22 23:10:26,509 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 631 transitions. [2021-11-22 23:10:26,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-22 23:10:26,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:26,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:26,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-22 23:10:26,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:29,429 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 32 proven. 24 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-22 23:10:41,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:41,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 178 states and 716 transitions. [2021-11-22 23:10:41,082 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 716 transitions. [2021-11-22 23:10:41,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-22 23:10:41,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:41,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:41,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:41,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-22 23:10:41,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:43,669 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 32 proven. 24 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-22 23:10:51,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:51,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 184 states and 722 transitions. [2021-11-22 23:10:51,372 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 722 transitions. [2021-11-22 23:10:51,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-22 23:10:51,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:51,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:51,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-22 23:10:51,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:53,729 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 32 proven. 24 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-22 23:10:56,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:56,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 186 states and 723 transitions. [2021-11-22 23:10:56,618 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 723 transitions. [2021-11-22 23:10:56,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-22 23:10:56,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:56,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:56,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-22 23:10:56,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:59,060 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 32 proven. 24 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-22 23:11:00,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:00,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 187 states and 724 transitions. [2021-11-22 23:11:00,719 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 724 transitions. [2021-11-22 23:11:00,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-22 23:11:00,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:00,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:00,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-22 23:11:00,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:01,603 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 32 proven. 36 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-22 23:11:06,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:06,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 191 states and 747 transitions. [2021-11-22 23:11:06,662 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 747 transitions. [2021-11-22 23:11:06,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-22 23:11:06,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:06,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:06,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:06,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-22 23:11:06,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:07,471 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 32 proven. 36 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-22 23:11:11,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:11,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 193 states and 749 transitions. [2021-11-22 23:11:11,164 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 749 transitions. [2021-11-22 23:11:11,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-22 23:11:11,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:11,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:11,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-22 23:11:11,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:11,877 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 32 proven. 36 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-22 23:11:16,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:16,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 195 states and 751 transitions. [2021-11-22 23:11:16,855 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 751 transitions. [2021-11-22 23:11:16,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-22 23:11:16,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:16,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:16,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-22 23:11:16,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:17,677 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 32 proven. 36 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-22 23:11:19,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:19,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 197 states and 753 transitions. [2021-11-22 23:11:19,081 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 753 transitions. [2021-11-22 23:11:19,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-22 23:11:19,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:19,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:19,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:19,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-22 23:11:19,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:20,227 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 34 proven. 24 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-22 23:11:23,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:23,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 200 states and 783 transitions. [2021-11-22 23:11:23,864 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 783 transitions. [2021-11-22 23:11:23,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-22 23:11:23,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:23,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:23,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-22 23:11:23,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:24,787 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 34 proven. 39 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-22 23:11:32,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:32,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 205 states and 814 transitions. [2021-11-22 23:11:32,782 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 814 transitions. [2021-11-22 23:11:32,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-22 23:11:32,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:32,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:32,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:32,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-22 23:11:32,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:33,524 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 34 proven. 39 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-22 23:11:38,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:38,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 207 states and 816 transitions. [2021-11-22 23:11:38,175 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 816 transitions. [2021-11-22 23:11:38,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-22 23:11:38,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:38,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:38,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-22 23:11:38,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:38,677 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 34 proven. 39 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-22 23:11:40,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:40,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 209 states and 818 transitions. [2021-11-22 23:11:40,269 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 818 transitions. [2021-11-22 23:11:40,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-22 23:11:40,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:40,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:40,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-22 23:11:40,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:40,962 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 34 proven. 39 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-22 23:11:44,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:44,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 211 states and 820 transitions. [2021-11-22 23:11:44,648 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 820 transitions. [2021-11-22 23:11:44,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-22 23:11:44,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:44,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:44,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-22 23:11:44,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:45,213 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 36 proven. 24 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-22 23:11:49,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:49,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 215 states and 854 transitions. [2021-11-22 23:11:49,650 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 854 transitions. [2021-11-22 23:11:49,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-22 23:11:49,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:49,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:49,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-22 23:11:49,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:50,718 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 36 proven. 42 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-22 23:11:53,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:53,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 216 states and 862 transitions. [2021-11-22 23:11:53,463 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 862 transitions. [2021-11-22 23:11:53,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-22 23:11:53,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:53,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:53,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:53,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-22 23:11:53,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:54,159 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 38 proven. 45 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-22 23:11:55,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:55,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 217 states and 874 transitions. [2021-11-22 23:11:55,617 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 874 transitions. [2021-11-22 23:11:55,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-22 23:11:55,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:55,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:55,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:11:55,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:55,798 INFO L134 CoverageAnalysis]: Checked inductivity of 848 backedges. 99 proven. 13 refuted. 0 times theorem prover too weak. 736 trivial. 0 not checked. [2021-11-22 23:11:57,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:57,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 217 states and 870 transitions. [2021-11-22 23:11:57,323 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 870 transitions. [2021-11-22 23:11:57,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-22 23:11:57,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:57,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:57,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-22 23:11:57,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:58,001 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 40 proven. 60 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-11-22 23:12:01,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:01,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 220 states and 874 transitions. [2021-11-22 23:12:01,280 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 874 transitions. [2021-11-22 23:12:01,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-22 23:12:01,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:01,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:01,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:12:01,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:02,455 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 40 proven. 656 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-11-22 23:12:10,499 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-22 23:12:15,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:15,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 232 states and 1051 transitions. [2021-11-22 23:12:15,618 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 1051 transitions. [2021-11-22 23:12:15,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-22 23:12:15,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:15,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:15,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-22 23:12:15,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:15,914 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 40 proven. 60 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-11-22 23:12:19,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:19,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1220 states to 235 states and 1056 transitions. [2021-11-22 23:12:19,366 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 1056 transitions. [2021-11-22 23:12:19,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-22 23:12:19,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:19,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:19,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:12:19,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:19,594 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 40 proven. 656 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-11-22 23:12:20,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:20,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 235 states and 1055 transitions. [2021-11-22 23:12:20,918 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 1055 transitions. [2021-11-22 23:12:20,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-22 23:12:20,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:20,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:20,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-22 23:12:20,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:21,191 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 40 proven. 60 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-11-22 23:12:24,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:24,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 238 states and 1059 transitions. [2021-11-22 23:12:24,960 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 1059 transitions. [2021-11-22 23:12:24,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-22 23:12:24,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:24,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:25,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:25,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-22 23:12:25,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:25,229 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 40 proven. 60 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-11-22 23:12:28,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:28,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 241 states and 1063 transitions. [2021-11-22 23:12:28,321 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 1063 transitions. [2021-11-22 23:12:28,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-22 23:12:28,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:28,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:28,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:12:28,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:28,545 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 40 proven. 656 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-11-22 23:12:29,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:29,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 241 states and 1062 transitions. [2021-11-22 23:12:29,594 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 1062 transitions. [2021-11-22 23:12:29,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-22 23:12:29,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:29,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:29,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:12:29,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:29,888 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 40 proven. 656 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-11-22 23:12:31,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:31,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 241 states and 1061 transitions. [2021-11-22 23:12:31,014 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 1061 transitions. [2021-11-22 23:12:31,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-22 23:12:31,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:31,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:31,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-22 23:12:31,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:33,334 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 42 proven. 48 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-22 23:12:46,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:46,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 249 states and 1134 transitions. [2021-11-22 23:12:46,709 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 1134 transitions. [2021-11-22 23:12:46,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-22 23:12:46,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:46,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:46,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:46,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-22 23:12:46,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:48,817 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 42 proven. 48 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-22 23:12:52,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:52,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 250 states and 1134 transitions. [2021-11-22 23:12:52,407 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 1134 transitions. [2021-11-22 23:12:52,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-22 23:12:52,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:52,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:52,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:52,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-22 23:12:52,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:54,251 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 42 proven. 48 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-22 23:12:56,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:56,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 250 states and 1133 transitions. [2021-11-22 23:12:56,831 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 1133 transitions. [2021-11-22 23:12:56,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-22 23:12:56,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:56,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:56,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:56,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-22 23:12:56,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:58,286 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 42 proven. 48 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-22 23:12:59,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:59,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 251 states and 1134 transitions. [2021-11-22 23:12:59,809 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 1134 transitions. [2021-11-22 23:12:59,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-22 23:12:59,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:59,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:59,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-22 23:12:59,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:01,204 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 42 proven. 48 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-22 23:13:02,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:02,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 252 states and 1135 transitions. [2021-11-22 23:13:02,439 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 1135 transitions. [2021-11-22 23:13:02,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-22 23:13:02,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:02,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:02,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-22 23:13:02,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:03,369 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 42 proven. 48 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-22 23:13:05,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:05,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 252 states and 1134 transitions. [2021-11-22 23:13:05,822 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 1134 transitions. [2021-11-22 23:13:05,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-22 23:13:05,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:05,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:05,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-22 23:13:05,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:07,464 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 42 proven. 64 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-22 23:13:15,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:15,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 256 states and 1162 transitions. [2021-11-22 23:13:15,753 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 1162 transitions. [2021-11-22 23:13:15,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-22 23:13:15,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:15,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:15,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:15,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-22 23:13:15,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:16,746 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 42 proven. 64 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-22 23:13:18,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:18,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 258 states and 1164 transitions. [2021-11-22 23:13:18,933 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 1164 transitions. [2021-11-22 23:13:18,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-22 23:13:18,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:18,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:18,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-22 23:13:18,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:19,988 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 42 proven. 64 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-22 23:13:23,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:23,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 260 states and 1166 transitions. [2021-11-22 23:13:23,883 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 1166 transitions. [2021-11-22 23:13:23,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-22 23:13:23,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:23,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:23,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-22 23:13:23,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:25,416 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 42 proven. 64 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-22 23:13:29,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:29,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 262 states and 1168 transitions. [2021-11-22 23:13:29,352 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 1168 transitions. [2021-11-22 23:13:29,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-22 23:13:29,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:29,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:29,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-22 23:13:29,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:30,996 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 42 proven. 64 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-22 23:13:34,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:34,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 264 states and 1170 transitions. [2021-11-22 23:13:34,909 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 1170 transitions. [2021-11-22 23:13:34,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-22 23:13:34,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:34,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:34,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:34,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-22 23:13:34,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:37,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1016 backedges. 44 proven. 48 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-22 23:13:45,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:45,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 267 states and 1207 transitions. [2021-11-22 23:13:45,066 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 1207 transitions. [2021-11-22 23:13:45,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-22 23:13:45,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:45,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:45,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-22 23:13:45,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:46,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 44 proven. 68 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-22 23:13:57,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:57,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 272 states and 1244 transitions. [2021-11-22 23:13:57,340 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 1244 transitions. [2021-11-22 23:13:57,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-22 23:13:57,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:57,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:57,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-22 23:13:57,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:58,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 44 proven. 68 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-22 23:14:02,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:02,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 274 states and 1245 transitions. [2021-11-22 23:14:02,273 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 1245 transitions. [2021-11-22 23:14:02,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-22 23:14:02,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:02,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:02,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-22 23:14:02,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:03,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 44 proven. 68 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-22 23:14:06,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:06,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 276 states and 1246 transitions. [2021-11-22 23:14:06,221 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 1246 transitions. [2021-11-22 23:14:06,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-22 23:14:06,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:06,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:06,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-22 23:14:06,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:07,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 44 proven. 68 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-22 23:14:10,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:10,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 278 states and 1247 transitions. [2021-11-22 23:14:10,530 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 1247 transitions. [2021-11-22 23:14:10,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-22 23:14:10,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:10,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:10,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-22 23:14:10,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:11,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 44 proven. 68 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-22 23:14:16,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:16,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 280 states and 1248 transitions. [2021-11-22 23:14:16,120 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 1248 transitions. [2021-11-22 23:14:16,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-22 23:14:16,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:16,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:16,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-22 23:14:16,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:17,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1106 backedges. 46 proven. 48 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2021-11-22 23:14:24,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:24,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 284 states and 1290 transitions. [2021-11-22 23:14:24,948 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 1290 transitions. [2021-11-22 23:14:24,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-22 23:14:24,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:24,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:25,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-22 23:14:25,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:27,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 46 proven. 72 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2021-11-22 23:14:32,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:32,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 285 states and 1305 transitions. [2021-11-22 23:14:32,468 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 1305 transitions. [2021-11-22 23:14:32,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-22 23:14:32,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:32,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:32,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-22 23:14:32,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:33,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1228 backedges. 48 proven. 76 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-22 23:14:37,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:37,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 287 states and 1330 transitions. [2021-11-22 23:14:37,975 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 1330 transitions. [2021-11-22 23:14:37,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-22 23:14:37,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:37,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:38,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:14:38,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:38,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1330 backedges. 129 proven. 13 refuted. 0 times theorem prover too weak. 1188 trivial. 0 not checked. [2021-11-22 23:14:40,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:40,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 287 states and 1325 transitions. [2021-11-22 23:14:40,471 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 1325 transitions. [2021-11-22 23:14:40,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-22 23:14:40,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:40,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:40,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-22 23:14:40,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:41,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1345 backedges. 50 proven. 95 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-22 23:14:46,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:46,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 290 states and 1329 transitions. [2021-11-22 23:14:46,215 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 1329 transitions. [2021-11-22 23:14:46,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-22 23:14:46,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:46,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:46,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:46,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-22 23:14:46,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:46,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1345 backedges. 50 proven. 95 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-22 23:14:51,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:51,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 293 states and 1334 transitions. [2021-11-22 23:14:51,636 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 1334 transitions. [2021-11-22 23:14:51,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-22 23:14:51,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:51,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:51,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-22 23:14:51,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:53,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 50 proven. 1090 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2021-11-22 23:15:08,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:08,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 305 states and 1555 transitions. [2021-11-22 23:15:08,936 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 1555 transitions. [2021-11-22 23:15:08,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-22 23:15:08,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:08,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:08,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-22 23:15:08,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:09,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1345 backedges. 50 proven. 95 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-22 23:15:14,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:14,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 308 states and 1559 transitions. [2021-11-22 23:15:14,764 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 1559 transitions. [2021-11-22 23:15:14,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-22 23:15:14,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:14,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:14,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:14,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-22 23:15:14,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:15,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1345 backedges. 50 proven. 95 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-22 23:15:19,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:19,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 311 states and 1563 transitions. [2021-11-22 23:15:19,995 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 1563 transitions. [2021-11-22 23:15:19,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-22 23:15:19,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:19,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:20,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:20,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-22 23:15:20,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:20,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 50 proven. 1090 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2021-11-22 23:15:21,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:21,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 311 states and 1562 transitions. [2021-11-22 23:15:21,955 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 1562 transitions. [2021-11-22 23:15:21,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-22 23:15:21,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:21,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:22,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-22 23:15:22,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:22,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1345 backedges. 50 proven. 95 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-22 23:15:27,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:27,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 314 states and 1566 transitions. [2021-11-22 23:15:27,147 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 1566 transitions. [2021-11-22 23:15:27,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-22 23:15:27,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:27,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:27,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-22 23:15:27,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:27,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 50 proven. 1090 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2021-11-22 23:15:29,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:29,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 314 states and 1565 transitions. [2021-11-22 23:15:29,144 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 1565 transitions. [2021-11-22 23:15:29,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-22 23:15:29,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:29,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:29,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-22 23:15:29,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:29,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 50 proven. 1090 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2021-11-22 23:15:31,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:31,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 314 states and 1564 transitions. [2021-11-22 23:15:31,304 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 1564 transitions. [2021-11-22 23:15:31,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-22 23:15:31,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:31,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:31,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-22 23:15:31,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:31,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 50 proven. 1090 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2021-11-22 23:15:33,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:33,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 314 states and 1563 transitions. [2021-11-22 23:15:33,465 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 1563 transitions. [2021-11-22 23:15:33,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-22 23:15:33,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:33,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:33,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-22 23:15:33,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:36,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 52 proven. 80 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-22 23:15:56,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:56,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1891 states to 322 states and 1651 transitions. [2021-11-22 23:15:56,551 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 1651 transitions. [2021-11-22 23:15:56,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-22 23:15:56,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:56,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:56,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-22 23:15:56,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:57,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 52 proven. 80 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-22 23:16:03,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:03,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1891 states to 323 states and 1651 transitions. [2021-11-22 23:16:03,696 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 1651 transitions. [2021-11-22 23:16:03,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-22 23:16:03,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:03,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:03,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-22 23:16:03,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:05,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 52 proven. 80 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-22 23:16:08,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:08,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1890 states to 323 states and 1650 transitions. [2021-11-22 23:16:08,652 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 1650 transitions. [2021-11-22 23:16:08,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-22 23:16:08,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:08,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:08,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-22 23:16:08,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:09,833 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 52 proven. 80 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-22 23:16:15,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:15,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1891 states to 324 states and 1651 transitions. [2021-11-22 23:16:15,675 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 1651 transitions. [2021-11-22 23:16:15,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-22 23:16:15,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:15,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:15,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:15,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-22 23:16:15,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:17,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 52 proven. 80 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-22 23:16:19,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:19,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 325 states and 1652 transitions. [2021-11-22 23:16:19,565 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 1652 transitions. [2021-11-22 23:16:19,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-22 23:16:19,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:19,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:19,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-22 23:16:19,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:20,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 52 proven. 80 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-22 23:16:22,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:22,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1893 states to 326 states and 1653 transitions. [2021-11-22 23:16:22,711 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 1653 transitions. [2021-11-22 23:16:22,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-22 23:16:22,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:22,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:22,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-22 23:16:22,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:24,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 52 proven. 80 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-22 23:16:29,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:29,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 326 states and 1652 transitions. [2021-11-22 23:16:29,834 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 1652 transitions. [2021-11-22 23:16:29,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-22 23:16:29,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:29,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:29,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:29,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-22 23:16:29,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:32,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 52 proven. 100 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-22 23:16:45,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:45,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1925 states to 330 states and 1685 transitions. [2021-11-22 23:16:45,824 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 1685 transitions. [2021-11-22 23:16:45,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-22 23:16:45,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:45,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:45,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-22 23:16:45,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:48,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 52 proven. 100 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-22 23:16:58,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:58,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1927 states to 332 states and 1687 transitions. [2021-11-22 23:16:58,749 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 1687 transitions. [2021-11-22 23:16:58,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-22 23:16:58,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:58,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:58,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:58,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-22 23:16:58,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:01,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 52 proven. 100 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-22 23:17:08,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:08,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1929 states to 334 states and 1689 transitions. [2021-11-22 23:17:08,583 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 1689 transitions. [2021-11-22 23:17:08,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-22 23:17:08,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:08,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:08,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-22 23:17:08,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:11,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 52 proven. 100 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-22 23:17:18,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:18,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1931 states to 336 states and 1691 transitions. [2021-11-22 23:17:18,183 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 1691 transitions. [2021-11-22 23:17:18,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-22 23:17:18,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:18,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:18,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:18,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-22 23:17:18,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:20,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 52 proven. 100 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-22 23:17:24,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:24,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1933 states to 338 states and 1693 transitions. [2021-11-22 23:17:24,605 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 1693 transitions. [2021-11-22 23:17:24,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-22 23:17:24,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:24,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:24,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-22 23:17:24,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:27,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 52 proven. 100 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-22 23:17:35,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:35,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1935 states to 340 states and 1695 transitions. [2021-11-22 23:17:35,615 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 1695 transitions. [2021-11-22 23:17:35,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-22 23:17:35,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:35,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:35,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-22 23:17:35,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:39,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1538 backedges. 54 proven. 80 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-22 23:17:50,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:50,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1979 states to 343 states and 1739 transitions. [2021-11-22 23:17:50,218 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 1739 transitions. [2021-11-22 23:17:50,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-22 23:17:50,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:50,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:50,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-22 23:17:50,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:53,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1563 backedges. 54 proven. 105 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-22 23:18:13,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:13,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 348 states and 1789 transitions. [2021-11-22 23:18:13,350 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 1789 transitions. [2021-11-22 23:18:13,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-22 23:18:13,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:13,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:13,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-22 23:18:13,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:15,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1563 backedges. 54 proven. 105 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-22 23:18:26,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:26,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2040 states to 350 states and 1790 transitions. [2021-11-22 23:18:26,386 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 1790 transitions. [2021-11-22 23:18:26,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-22 23:18:26,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:26,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:26,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-22 23:18:26,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:29,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1563 backedges. 54 proven. 105 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-22 23:18:34,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:34,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2041 states to 352 states and 1791 transitions. [2021-11-22 23:18:34,388 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 1791 transitions. [2021-11-22 23:18:34,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-22 23:18:34,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:34,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:34,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:34,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-22 23:18:34,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:36,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1563 backedges. 54 proven. 105 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-22 23:18:43,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:43,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2044 states to 354 states and 1792 transitions. [2021-11-22 23:18:43,271 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 1792 transitions. [2021-11-22 23:18:43,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-22 23:18:43,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:43,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:43,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-22 23:18:43,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:45,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1563 backedges. 54 proven. 105 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-22 23:18:52,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:52,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2047 states to 356 states and 1793 transitions. [2021-11-22 23:18:52,532 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 1793 transitions. [2021-11-22 23:18:52,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-22 23:18:52,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:52,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:52,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-22 23:18:52,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:55,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1563 backedges. 54 proven. 105 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-22 23:19:02,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:02,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2050 states to 358 states and 1794 transitions. [2021-11-22 23:19:02,052 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 1794 transitions. [2021-11-22 23:19:02,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-22 23:19:02,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:02,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:02,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:02,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-22 23:19:02,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:06,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 56 proven. 80 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-22 23:19:18,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:18,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 362 states and 1844 transitions. [2021-11-22 23:19:18,080 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 1844 transitions. [2021-11-22 23:19:18,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-22 23:19:18,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:18,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:18,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-22 23:19:18,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:21,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1678 backedges. 56 proven. 110 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-22 23:19:29,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:29,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2130 states to 363 states and 1850 transitions. [2021-11-22 23:19:29,425 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 1850 transitions. [2021-11-22 23:19:29,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-22 23:19:29,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:29,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:29,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-22 23:19:29,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:32,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1797 backedges. 58 proven. 115 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2021-11-22 23:19:36,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:36,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2148 states to 364 states and 1868 transitions. [2021-11-22 23:19:36,953 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 1868 transitions. [2021-11-22 23:19:36,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-22 23:19:36,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:36,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:37,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:19:37,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:37,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1920 backedges. 159 proven. 13 refuted. 0 times theorem prover too weak. 1748 trivial. 0 not checked. [2021-11-22 23:19:42,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:42,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 364 states and 1862 transitions. [2021-11-22 23:19:42,427 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 1862 transitions. [2021-11-22 23:19:42,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-22 23:19:42,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:42,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:42,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-22 23:19:42,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:43,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1938 backedges. 60 proven. 138 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2021-11-22 23:19:51,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:51,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2164 states to 367 states and 1866 transitions. [2021-11-22 23:19:51,559 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 1866 transitions. [2021-11-22 23:19:51,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-22 23:19:51,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:51,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:51,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-22 23:19:51,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:51,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1938 backedges. 60 proven. 138 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2021-11-22 23:19:59,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:59,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2168 states to 370 states and 1870 transitions. [2021-11-22 23:19:59,336 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 1870 transitions. [2021-11-22 23:19:59,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-22 23:19:59,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:59,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:59,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-22 23:19:59,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:01,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1932 backedges. 60 proven. 1632 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2021-11-22 23:20:29,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:29,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2470 states to 382 states and 2132 transitions. [2021-11-22 23:20:29,576 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 2132 transitions. [2021-11-22 23:20:29,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-22 23:20:29,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:29,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:29,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-22 23:20:29,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:29,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1938 backedges. 60 proven. 138 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2021-11-22 23:20:38,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:38,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 385 states and 2137 transitions. [2021-11-22 23:20:38,702 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 2137 transitions. [2021-11-22 23:20:38,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-22 23:20:38,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:38,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:38,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-22 23:20:38,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:39,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1932 backedges. 60 proven. 1632 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2021-11-22 23:20:42,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:42,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2474 states to 385 states and 2136 transitions. [2021-11-22 23:20:42,054 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 2136 transitions. [2021-11-22 23:20:42,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-22 23:20:42,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:42,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:42,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-22 23:20:42,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:42,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1938 backedges. 60 proven. 138 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2021-11-22 23:20:51,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:51,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2478 states to 388 states and 2140 transitions. [2021-11-22 23:20:51,930 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 2140 transitions. [2021-11-22 23:20:51,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-22 23:20:51,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:51,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:51,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-22 23:20:51,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:52,265 INFO L134 CoverageAnalysis]: Checked inductivity of 1932 backedges. 60 proven. 1632 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2021-11-22 23:20:55,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:55,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2477 states to 388 states and 2139 transitions. [2021-11-22 23:20:55,360 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 2139 transitions. [2021-11-22 23:20:55,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-22 23:20:55,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:55,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:55,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-22 23:20:55,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:55,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1938 backedges. 60 proven. 138 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2021-11-22 23:21:03,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:03,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2481 states to 391 states and 2143 transitions. [2021-11-22 23:21:03,430 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 2143 transitions. [2021-11-22 23:21:03,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-22 23:21:03,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:03,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:03,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-22 23:21:03,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:03,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1938 backedges. 60 proven. 138 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2021-11-22 23:21:11,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:11,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2485 states to 394 states and 2147 transitions. [2021-11-22 23:21:11,207 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 2147 transitions. [2021-11-22 23:21:11,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-22 23:21:11,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:11,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:11,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-22 23:21:11,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:11,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1932 backedges. 60 proven. 1632 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2021-11-22 23:21:14,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:14,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2484 states to 394 states and 2146 transitions. [2021-11-22 23:21:14,754 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 2146 transitions. [2021-11-22 23:21:14,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-22 23:21:14,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:14,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:14,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:14,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-22 23:21:14,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:15,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1932 backedges. 60 proven. 1632 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2021-11-22 23:21:19,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:19,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2483 states to 394 states and 2145 transitions. [2021-11-22 23:21:19,693 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 2145 transitions. [2021-11-22 23:21:19,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-22 23:21:19,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:19,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:19,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-22 23:21:19,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:20,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1932 backedges. 60 proven. 1632 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2021-11-22 23:21:23,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:23,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2482 states to 394 states and 2144 transitions. [2021-11-22 23:21:23,136 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 2144 transitions. [2021-11-22 23:21:23,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-11-22 23:21:23,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:23,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:23,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-22 23:21:23,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:27,351 INFO L134 CoverageAnalysis]: Checked inductivity of 2042 backedges. 62 proven. 120 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked.