./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/relax-2.i --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_df478b6a-837b-4e57-92b5-2bc189e4e4c6/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df478b6a-837b-4e57-92b5-2bc189e4e4c6/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_df478b6a-837b-4e57-92b5-2bc189e4e4c6/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df478b6a-837b-4e57-92b5-2bc189e4e4c6/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-examples/relax-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df478b6a-837b-4e57-92b5-2bc189e4e4c6/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_df478b6a-837b-4e57-92b5-2bc189e4e4c6/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 d53812dd1177b266d0f37d9b3339dda1620cf3a3734db2ec7312de8297126685 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:06:51,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:06:51,630 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:06:51,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:06:51,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:06:51,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:06:51,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:06:51,695 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:06:51,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:06:51,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:06:51,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:06:51,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:06:51,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:06:51,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:06:51,706 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:06:51,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:06:51,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:06:51,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:06:51,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:06:51,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:06:51,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:06:51,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:06:51,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:06:51,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:06:51,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:06:51,728 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:06:51,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:06:51,730 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:06:51,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:06:51,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:06:51,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:06:51,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:06:51,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:06:51,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:06:51,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:06:51,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:06:51,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:06:51,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:06:51,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:06:51,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:06:51,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:06:51,743 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df478b6a-837b-4e57-92b5-2bc189e4e4c6/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:06:51,773 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:06:51,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:06:51,775 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:06:51,775 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:06:51,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:06:51,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:06:51,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:06:51,777 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:06:51,778 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:06:51,778 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:06:51,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:06:51,779 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:06:51,779 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:06:51,780 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:06:51,780 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:06:51,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:06:51,781 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:06:51,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:06:51,782 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:06:51,782 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:06:51,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:06:51,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:06:51,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:06:51,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:06:51,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:06:51,785 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:06:51,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:06:51,785 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:06:51,786 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_df478b6a-837b-4e57-92b5-2bc189e4e4c6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df478b6a-837b-4e57-92b5-2bc189e4e4c6/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d53812dd1177b266d0f37d9b3339dda1620cf3a3734db2ec7312de8297126685 [2021-11-23 01:06:52,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:06:52,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:06:52,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:06:52,124 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:06:52,125 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:06:52,128 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df478b6a-837b-4e57-92b5-2bc189e4e4c6/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-examples/relax-2.i [2021-11-23 01:06:52,219 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df478b6a-837b-4e57-92b5-2bc189e4e4c6/bin/ukojak-LBtLqBUTdQ/data/61dcbb485/7e6ce404cd5341d08909b5ff94c5440d/FLAG0bd087353 [2021-11-23 01:06:52,773 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:06:52,774 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df478b6a-837b-4e57-92b5-2bc189e4e4c6/sv-benchmarks/c/array-examples/relax-2.i [2021-11-23 01:06:52,790 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df478b6a-837b-4e57-92b5-2bc189e4e4c6/bin/ukojak-LBtLqBUTdQ/data/61dcbb485/7e6ce404cd5341d08909b5ff94c5440d/FLAG0bd087353 [2021-11-23 01:06:53,086 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df478b6a-837b-4e57-92b5-2bc189e4e4c6/bin/ukojak-LBtLqBUTdQ/data/61dcbb485/7e6ce404cd5341d08909b5ff94c5440d [2021-11-23 01:06:53,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:06:53,090 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:06:53,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:06:53,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:06:53,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:06:53,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:06:53" (1/1) ... [2021-11-23 01:06:53,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@143196d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:53, skipping insertion in model container [2021-11-23 01:06:53,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:06:53" (1/1) ... [2021-11-23 01:06:53,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:06:53,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:06:53,355 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_df478b6a-837b-4e57-92b5-2bc189e4e4c6/sv-benchmarks/c/array-examples/relax-2.i[980,993] [2021-11-23 01:06:53,477 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:06:53,485 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:06:53,498 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_df478b6a-837b-4e57-92b5-2bc189e4e4c6/sv-benchmarks/c/array-examples/relax-2.i[980,993] [2021-11-23 01:06:53,533 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:06:53,564 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:06:53,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:53 WrapperNode [2021-11-23 01:06:53,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:06:53,566 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:06:53,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:06:53,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:06:53,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:53" (1/1) ... [2021-11-23 01:06:53,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:53" (1/1) ... [2021-11-23 01:06:53,617 INFO L137 Inliner]: procedures = 120, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 135 [2021-11-23 01:06:53,617 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:06:53,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:06:53,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:06:53,618 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:06:53,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:53" (1/1) ... [2021-11-23 01:06:53,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:53" (1/1) ... [2021-11-23 01:06:53,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:53" (1/1) ... [2021-11-23 01:06:53,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:53" (1/1) ... [2021-11-23 01:06:53,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:53" (1/1) ... [2021-11-23 01:06:53,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:53" (1/1) ... [2021-11-23 01:06:53,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:53" (1/1) ... [2021-11-23 01:06:53,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:06:53,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:06:53,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:06:53,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:06:53,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:53" (1/1) ... [2021-11-23 01:06:53,682 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:06:53,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df478b6a-837b-4e57-92b5-2bc189e4e4c6/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:06:53,707 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df478b6a-837b-4e57-92b5-2bc189e4e4c6/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:06:53,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df478b6a-837b-4e57-92b5-2bc189e4e4c6/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:06:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:06:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:06:53,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:06:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:06:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:06:53,759 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:06:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:06:53,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:06:53,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:06:53,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:06:53,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:06:53,886 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:06:53,888 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:06:54,146 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:06:54,226 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:06:54,226 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-23 01:06:54,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:06:54 BoogieIcfgContainer [2021-11-23 01:06:54,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:06:54,229 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:06:54,230 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:06:54,240 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:06:54,240 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:06:54" (1/1) ... [2021-11-23 01:06:54,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:06:54,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:54,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 36 states and 52 transitions. [2021-11-23 01:06:54,308 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-11-23 01:06:54,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:06:54,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:54,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:54,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:54,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:54,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 54 transitions. [2021-11-23 01:06:54,594 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2021-11-23 01:06:54,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:06:54,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:54,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:54,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:54,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:54,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 47 states and 74 transitions. [2021-11-23 01:06:54,997 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 74 transitions. [2021-11-23 01:06:55,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:06:55,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:55,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:55,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:55,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:56,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:56,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 54 states and 91 transitions. [2021-11-23 01:06:56,662 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 91 transitions. [2021-11-23 01:06:56,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:06:56,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:56,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:56,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:57,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:57,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 54 states and 90 transitions. [2021-11-23 01:06:57,027 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 90 transitions. [2021-11-23 01:06:57,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:06:57,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:57,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:57,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:57,571 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:59,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:59,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 57 states and 97 transitions. [2021-11-23 01:06:59,946 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 97 transitions. [2021-11-23 01:06:59,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:06:59,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:59,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:00,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:00,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:00,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 58 states and 99 transitions. [2021-11-23 01:07:00,945 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 99 transitions. [2021-11-23 01:07:00,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:07:00,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:00,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:00,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:02,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:06,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:06,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 58 states and 97 transitions. [2021-11-23 01:07:06,987 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 97 transitions. [2021-11-23 01:07:06,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:07:06,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:06,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:07,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:07,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:09,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:09,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 60 states and 98 transitions. [2021-11-23 01:07:09,388 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 98 transitions. [2021-11-23 01:07:09,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:07:09,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:09,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:09,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:07:09,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:09,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 62 states and 101 transitions. [2021-11-23 01:07:09,477 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 101 transitions. [2021-11-23 01:07:09,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:07:09,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:09,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:09,889 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:11,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:11,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 66 states and 106 transitions. [2021-11-23 01:07:11,685 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 106 transitions. [2021-11-23 01:07:11,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:07:11,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:11,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:11,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:07:13,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:13,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 67 states and 108 transitions. [2021-11-23 01:07:13,106 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 108 transitions. [2021-11-23 01:07:13,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:07:13,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:13,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:13,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:07:13,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:13,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 68 states and 109 transitions. [2021-11-23 01:07:13,158 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 109 transitions. [2021-11-23 01:07:13,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:07:13,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:13,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:13,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:13,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:07:13,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:13,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 70 states and 112 transitions. [2021-11-23 01:07:13,924 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 112 transitions. [2021-11-23 01:07:13,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:07:13,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:13,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:13,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:13,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:13,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 72 states and 114 transitions. [2021-11-23 01:07:13,954 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 114 transitions. [2021-11-23 01:07:13,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:07:13,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:13,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:15,453 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:20,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:20,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 76 states and 124 transitions. [2021-11-23 01:07:20,094 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 124 transitions. [2021-11-23 01:07:20,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:07:20,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:20,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:20,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:20,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:07:20,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:20,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 77 states and 124 transitions. [2021-11-23 01:07:20,128 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 124 transitions. [2021-11-23 01:07:20,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:07:20,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:20,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:20,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:20,424 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:07:20,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:20,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 78 states and 124 transitions. [2021-11-23 01:07:20,596 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 124 transitions. [2021-11-23 01:07:20,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:07:20,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:20,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:20,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:07:20,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:20,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 80 states and 126 transitions. [2021-11-23 01:07:20,628 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 126 transitions. [2021-11-23 01:07:20,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:07:20,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:20,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:20,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:22,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:22,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 73 states and 114 transitions. [2021-11-23 01:07:22,158 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 114 transitions. [2021-11-23 01:07:22,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:07:22,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:22,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:25,129 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:45,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:45,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 64 states and 97 transitions. [2021-11-23 01:07:45,629 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 97 transitions. [2021-11-23 01:07:45,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:07:45,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:45,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:45,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:07:45,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:45,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 65 states and 97 transitions. [2021-11-23 01:07:45,663 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 97 transitions. [2021-11-23 01:07:45,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:07:45,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:45,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:46,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:50,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:50,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 71 states and 110 transitions. [2021-11-23 01:07:50,726 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 110 transitions. [2021-11-23 01:07:50,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:07:50,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:50,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:51,566 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:07:58,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:58,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 81 states and 130 transitions. [2021-11-23 01:07:58,451 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 130 transitions. [2021-11-23 01:07:58,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:07:58,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:58,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:58,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:59,140 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:02,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:02,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 89 states and 143 transitions. [2021-11-23 01:08:02,926 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 143 transitions. [2021-11-23 01:08:02,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:08:02,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:02,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:03,749 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:08:12,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:12,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 98 states and 159 transitions. [2021-11-23 01:08:12,222 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 159 transitions. [2021-11-23 01:08:12,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:08:12,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:12,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:13,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:08:16,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:16,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 99 states and 161 transitions. [2021-11-23 01:08:16,175 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 161 transitions. [2021-11-23 01:08:16,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:08:16,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:16,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:18,877 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:28,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:28,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 106 states and 176 transitions. [2021-11-23 01:08:28,530 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 176 transitions. [2021-11-23 01:08:28,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:08:28,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:28,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:28,564 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:08:30,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:30,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 108 states and 179 transitions. [2021-11-23 01:08:30,556 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 179 transitions. [2021-11-23 01:08:30,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:08:30,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:30,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:30,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:35,856 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:09:00,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:00,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 122 states and 220 transitions. [2021-11-23 01:09:00,468 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 220 transitions. [2021-11-23 01:09:00,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:09:00,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:00,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:00,872 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:09:03,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:03,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 121 states and 218 transitions. [2021-11-23 01:09:03,054 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 218 transitions. [2021-11-23 01:09:03,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:09:03,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:03,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:03,527 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:09:05,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:05,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 124 states and 222 transitions. [2021-11-23 01:09:05,769 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 222 transitions. [2021-11-23 01:09:05,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:09:05,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:05,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:06,241 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:09:07,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:07,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 125 states and 224 transitions. [2021-11-23 01:09:07,971 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 224 transitions. [2021-11-23 01:09:07,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:09:07,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:07,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:09,057 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:09:11,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:11,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 126 states and 226 transitions. [2021-11-23 01:09:11,340 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 226 transitions. [2021-11-23 01:09:11,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:09:11,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:11,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:11,641 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:09:16,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:16,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 130 states and 233 transitions. [2021-11-23 01:09:16,099 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 233 transitions. [2021-11-23 01:09:16,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:09:16,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:16,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:16,848 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:09:22,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:22,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 135 states and 239 transitions. [2021-11-23 01:09:22,270 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 239 transitions. [2021-11-23 01:09:22,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:09:22,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:22,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:24,579 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:09:33,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:33,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 137 states and 246 transitions. [2021-11-23 01:09:33,040 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 246 transitions. [2021-11-23 01:09:33,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:09:33,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:33,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:34,037 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:09:35,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:35,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 125 states and 226 transitions. [2021-11-23 01:09:35,405 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 226 transitions. [2021-11-23 01:09:35,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:09:35,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:35,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:35,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:37,301 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:09:59,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:59,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 137 states and 254 transitions. [2021-11-23 01:09:59,974 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 254 transitions. [2021-11-23 01:09:59,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:09:59,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:59,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:02,889 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:10:17,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:17,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 144 states and 268 transitions. [2021-11-23 01:10:17,139 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 268 transitions. [2021-11-23 01:10:17,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:10:17,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:17,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:18,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:10:31,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:31,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 152 states and 285 transitions. [2021-11-23 01:10:31,004 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 285 transitions. [2021-11-23 01:10:31,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:10:31,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:31,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:36,511 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:10:53,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:53,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 156 states and 292 transitions. [2021-11-23 01:10:53,898 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 292 transitions. [2021-11-23 01:10:53,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:10:53,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:53,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:56,342 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:11:07,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:07,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 161 states and 302 transitions. [2021-11-23 01:11:07,437 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 302 transitions. [2021-11-23 01:11:07,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:11:07,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:07,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:09,641 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:11:15,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:15,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 163 states and 305 transitions. [2021-11-23 01:11:15,924 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 305 transitions. [2021-11-23 01:11:15,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:11:15,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:15,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:23,856 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:13,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:13,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 174 states and 336 transitions. [2021-11-23 01:12:13,965 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 336 transitions. [2021-11-23 01:12:13,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:12:13,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:13,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:14,448 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:12:17,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:17,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 176 states and 338 transitions. [2021-11-23 01:12:17,758 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 338 transitions. [2021-11-23 01:12:17,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:12:17,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:17,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:18,047 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:12:22,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:22,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 179 states and 342 transitions. [2021-11-23 01:12:22,052 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 342 transitions. [2021-11-23 01:12:22,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:12:22,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:22,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:24,059 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:12:36,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:36,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 184 states and 354 transitions. [2021-11-23 01:12:36,952 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 354 transitions. [2021-11-23 01:12:36,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:12:36,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:36,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:39,571 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:12:45,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:45,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 186 states and 362 transitions. [2021-11-23 01:12:45,492 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 362 transitions. [2021-11-23 01:12:45,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:12:45,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:45,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:47,989 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:12:50,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:50,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 187 states and 365 transitions. [2021-11-23 01:12:50,416 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 365 transitions. [2021-11-23 01:12:50,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:12:50,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:50,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:50,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:57,321 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:13:46,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:46,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 192 states and 378 transitions. [2021-11-23 01:13:46,590 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 378 transitions. [2021-11-23 01:13:46,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:13:46,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:46,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:49,609 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:14:13,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:13,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 195 states and 381 transitions. [2021-11-23 01:14:13,335 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 381 transitions. [2021-11-23 01:14:13,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:14:13,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:13,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:19,935 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:14:35,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:35,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 196 states and 386 transitions. [2021-11-23 01:14:35,843 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 386 transitions. [2021-11-23 01:14:35,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:14:35,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:35,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:35,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:40,526 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:15:14,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:14,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 208 states and 414 transitions. [2021-11-23 01:15:14,170 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 414 transitions. [2021-11-23 01:15:14,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:15:14,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:14,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:14,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:14,474 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:15:20,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:20,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 211 states and 418 transitions. [2021-11-23 01:15:20,107 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 418 transitions. [2021-11-23 01:15:20,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:15:20,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:20,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:22,920 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:15:35,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:35,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 213 states and 423 transitions. [2021-11-23 01:15:35,004 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 423 transitions. [2021-11-23 01:15:35,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:15:35,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:35,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:40,828 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:16:05,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:05,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 219 states and 434 transitions. [2021-11-23 01:16:05,548 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 434 transitions. [2021-11-23 01:16:05,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:16:05,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:05,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:23,063 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:17:16,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:16,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 224 states and 448 transitions. [2021-11-23 01:17:16,904 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 448 transitions. [2021-11-23 01:17:16,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:17:16,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:16,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:25,980 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:17:41,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:41,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 226 states and 449 transitions. [2021-11-23 01:17:41,685 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 449 transitions. [2021-11-23 01:17:41,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:17:41,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:41,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:41,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:41,866 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:17:57,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:57,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 232 states and 463 transitions. [2021-11-23 01:17:57,168 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 463 transitions. [2021-11-23 01:17:57,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:17:57,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:57,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:57,335 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:18:16,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:16,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 237 states and 470 transitions. [2021-11-23 01:18:16,735 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 470 transitions. [2021-11-23 01:18:16,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:18:16,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:16,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:16,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:17,130 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:18:19,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:19,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 238 states and 472 transitions. [2021-11-23 01:18:19,834 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 472 transitions. [2021-11-23 01:18:19,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:18:19,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:19,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:37,791 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:29,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:29,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 248 states and 496 transitions. [2021-11-23 01:19:29,065 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 496 transitions. [2021-11-23 01:19:29,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:19:29,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:29,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:29,229 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:19:45,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:45,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 251 states and 501 transitions. [2021-11-23 01:19:45,191 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 501 transitions. [2021-11-23 01:19:45,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:19:45,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:45,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:46,232 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.