./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.2.ufo.BOUNDED-8.pals.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_00536086-9b63-43c6-ad28-b70f0927e283/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00536086-9b63-43c6-ad28-b70f0927e283/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_00536086-9b63-43c6-ad28-b70f0927e283/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00536086-9b63-43c6-ad28-b70f0927e283/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.2.ufo.BOUNDED-8.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00536086-9b63-43c6-ad28-b70f0927e283/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_00536086-9b63-43c6-ad28-b70f0927e283/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 1bb463b167b254c80aafe9ad09b54a56308dc50dcf4a4adbb2aa58670e8927d0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:03:42,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:03:42,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:03:42,677 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:03:42,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:03:42,679 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:03:42,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:03:42,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:03:42,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:03:42,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:03:42,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:03:42,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:03:42,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:03:42,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:03:42,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:03:42,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:03:42,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:03:42,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:03:42,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:03:42,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:03:42,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:03:42,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:03:42,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:03:42,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:03:42,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:03:42,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:03:42,715 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:03:42,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:03:42,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:03:42,723 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:03:42,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:03:42,724 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:03:42,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:03:42,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:03:42,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:03:42,728 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:03:42,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:03:42,729 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:03:42,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:03:42,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:03:42,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:03:42,735 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00536086-9b63-43c6-ad28-b70f0927e283/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:03:42,787 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:03:42,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:03:42,789 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:03:42,789 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:03:42,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:03:42,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:03:42,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:03:42,791 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:03:42,791 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:03:42,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:03:42,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:03:42,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:03:42,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:03:42,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:03:42,793 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:03:42,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:03:42,794 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:03:42,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:03:42,794 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:03:42,795 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:03:42,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:03:42,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:03:42,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:03:42,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:03:42,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:03:42,796 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:03:42,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:03:42,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:03:42,797 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_00536086-9b63-43c6-ad28-b70f0927e283/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00536086-9b63-43c6-ad28-b70f0927e283/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1bb463b167b254c80aafe9ad09b54a56308dc50dcf4a4adbb2aa58670e8927d0 [2021-11-23 01:03:43,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:03:43,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:03:43,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:03:43,179 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:03:43,180 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:03:43,182 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00536086-9b63-43c6-ad28-b70f0927e283/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.2.ufo.BOUNDED-8.pals.c [2021-11-23 01:03:43,265 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00536086-9b63-43c6-ad28-b70f0927e283/bin/ukojak-LBtLqBUTdQ/data/77783476a/b5042b7b62a544f495abf38dc8747741/FLAG175f16bd4 [2021-11-23 01:03:43,870 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:03:43,871 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00536086-9b63-43c6-ad28-b70f0927e283/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.2.ufo.BOUNDED-8.pals.c [2021-11-23 01:03:43,884 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00536086-9b63-43c6-ad28-b70f0927e283/bin/ukojak-LBtLqBUTdQ/data/77783476a/b5042b7b62a544f495abf38dc8747741/FLAG175f16bd4 [2021-11-23 01:03:44,150 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00536086-9b63-43c6-ad28-b70f0927e283/bin/ukojak-LBtLqBUTdQ/data/77783476a/b5042b7b62a544f495abf38dc8747741 [2021-11-23 01:03:44,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:03:44,163 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:03:44,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:03:44,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:03:44,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:03:44,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:44,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@675f6f51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44, skipping insertion in model container [2021-11-23 01:03:44,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:44,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:03:44,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:03:44,674 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_00536086-9b63-43c6-ad28-b70f0927e283/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.2.ufo.BOUNDED-8.pals.c[30998,31011] [2021-11-23 01:03:44,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:03:44,688 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:03:44,805 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_00536086-9b63-43c6-ad28-b70f0927e283/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.2.ufo.BOUNDED-8.pals.c[30998,31011] [2021-11-23 01:03:44,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:03:44,835 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:03:44,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44 WrapperNode [2021-11-23 01:03:44,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:03:44,837 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:03:44,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:03:44,837 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:03:44,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:44,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:44,957 INFO L137 Inliner]: procedures = 23, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 1007 [2021-11-23 01:03:44,957 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:03:44,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:03:44,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:03:44,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:03:44,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:44,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:44,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:44,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:45,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:45,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:45,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:45,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:03:45,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:03:45,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:03:45,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:03:45,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:44" (1/1) ... [2021-11-23 01:03:45,096 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:03:45,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00536086-9b63-43c6-ad28-b70f0927e283/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:03:45,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00536086-9b63-43c6-ad28-b70f0927e283/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:03:45,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00536086-9b63-43c6-ad28-b70f0927e283/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:03:45,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:03:45,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:03:45,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:03:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:03:45,387 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:03:45,389 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:03:46,429 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:03:47,543 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:03:47,543 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:03:47,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:03:47 BoogieIcfgContainer [2021-11-23 01:03:47,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:03:47,548 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:03:47,548 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:03:47,558 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:03:47,559 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:03:47" (1/1) ... [2021-11-23 01:03:47,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:03:47,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:47,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 140 states and 224 transitions. [2021-11-23 01:03:47,667 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 224 transitions. [2021-11-23 01:03:47,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:03:47,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:47,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:48,519 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 01:03:48,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:48,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 142 states and 228 transitions. [2021-11-23 01:03:48,769 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 228 transitions. [2021-11-23 01:03:48,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:03:48,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:48,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:48,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:49,107 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 01:03:49,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:49,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 145 states and 235 transitions. [2021-11-23 01:03:49,494 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 235 transitions. [2021-11-23 01:03:49,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 01:03:49,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:49,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:49,844 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 01:03:50,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:50,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 149 states and 244 transitions. [2021-11-23 01:03:50,344 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 244 transitions. [2021-11-23 01:03:50,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:03:50,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:50,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:50,586 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 01:03:51,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:51,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 154 states and 255 transitions. [2021-11-23 01:03:51,210 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 255 transitions. [2021-11-23 01:03:51,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 01:03:51,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:51,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:51,448 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 01:03:52,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:52,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 160 states and 268 transitions. [2021-11-23 01:03:52,251 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 268 transitions. [2021-11-23 01:03:52,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:03:52,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:52,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:52,651 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 01:03:53,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:53,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 168 states and 283 transitions. [2021-11-23 01:03:53,829 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 283 transitions. [2021-11-23 01:03:53,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:03:53,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:53,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:54,014 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 01:03:55,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:55,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 175 states and 297 transitions. [2021-11-23 01:03:55,279 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 297 transitions. [2021-11-23 01:03:55,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 01:03:55,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:55,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:55,434 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 01:03:55,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:55,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 176 states and 297 transitions. [2021-11-23 01:03:55,684 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 297 transitions. [2021-11-23 01:03:55,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:03:55,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:55,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:55,813 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 01:03:55,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:55,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 177 states and 298 transitions. [2021-11-23 01:03:55,828 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 298 transitions. [2021-11-23 01:03:55,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:03:55,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:55,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:56,300 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 01:03:58,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:58,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 188 states and 317 transitions. [2021-11-23 01:03:58,581 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 317 transitions. [2021-11-23 01:03:58,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:03:58,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:58,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:58,847 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 01:03:59,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:59,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 191 states and 321 transitions. [2021-11-23 01:03:59,134 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 321 transitions. [2021-11-23 01:03:59,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:03:59,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:59,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:00,042 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:04,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:04,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 208 states and 356 transitions. [2021-11-23 01:04:04,768 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 356 transitions. [2021-11-23 01:04:04,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 01:04:04,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:04,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:05,205 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:09,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:09,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 226 states and 393 transitions. [2021-11-23 01:04:09,950 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 393 transitions. [2021-11-23 01:04:09,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 01:04:09,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:09,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:10,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:10,166 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:10,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:10,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 227 states and 395 transitions. [2021-11-23 01:04:10,504 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 395 transitions. [2021-11-23 01:04:10,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:04:10,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:10,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:10,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:11,050 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:16,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:16,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 246 states and 433 transitions. [2021-11-23 01:04:16,977 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 433 transitions. [2021-11-23 01:04:16,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:04:16,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:16,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:17,229 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:17,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:17,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 247 states and 437 transitions. [2021-11-23 01:04:17,656 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 437 transitions. [2021-11-23 01:04:17,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:04:17,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:17,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:17,860 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:18,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:18,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 248 states and 438 transitions. [2021-11-23 01:04:18,229 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 438 transitions. [2021-11-23 01:04:18,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:04:18,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:18,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:18,941 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:24,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:24,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 268 states and 479 transitions. [2021-11-23 01:04:24,618 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 479 transitions. [2021-11-23 01:04:24,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:04:24,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:24,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:24,861 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:25,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:25,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 270 states and 481 transitions. [2021-11-23 01:04:25,740 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 481 transitions. [2021-11-23 01:04:25,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:04:25,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:25,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:25,970 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:26,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:26,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 271 states and 482 transitions. [2021-11-23 01:04:26,494 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 482 transitions. [2021-11-23 01:04:26,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:04:26,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:26,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:26,731 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:27,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:27,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 272 states and 487 transitions. [2021-11-23 01:04:27,268 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 487 transitions. [2021-11-23 01:04:27,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 01:04:27,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:27,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:27,880 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:32,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:32,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 286 states and 511 transitions. [2021-11-23 01:04:32,696 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 511 transitions. [2021-11-23 01:04:32,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 01:04:32,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:32,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:32,952 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:33,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:33,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 287 states and 516 transitions. [2021-11-23 01:04:33,528 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 516 transitions. [2021-11-23 01:04:33,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 01:04:33,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:33,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:33,864 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:34,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:34,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 289 states and 519 transitions. [2021-11-23 01:04:34,710 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 519 transitions. [2021-11-23 01:04:34,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 01:04:34,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:34,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:34,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:34,978 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:35,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:35,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 290 states and 520 transitions. [2021-11-23 01:04:35,433 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 520 transitions. [2021-11-23 01:04:35,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 01:04:35,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:35,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:38,012 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:46,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:46,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 312 states and 557 transitions. [2021-11-23 01:04:46,827 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 557 transitions. [2021-11-23 01:04:46,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-23 01:04:46,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:46,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:47,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:47,904 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:50,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:50,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 318 states and 568 transitions. [2021-11-23 01:04:50,212 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 568 transitions. [2021-11-23 01:04:50,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-23 01:04:50,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:50,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:51,985 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:55,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:55,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 320 states and 572 transitions. [2021-11-23 01:04:55,389 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 572 transitions. [2021-11-23 01:04:55,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-23 01:04:55,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:55,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:56,433 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:59,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:59,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 326 states and 587 transitions. [2021-11-23 01:04:59,208 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 587 transitions. [2021-11-23 01:04:59,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 01:04:59,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:59,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:00,476 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:09,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:09,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 341 states and 651 transitions. [2021-11-23 01:05:09,852 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 651 transitions. [2021-11-23 01:05:09,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 01:05:09,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:09,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:10,293 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:13,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:13,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 347 states and 665 transitions. [2021-11-23 01:05:13,282 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 665 transitions. [2021-11-23 01:05:13,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 01:05:13,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:13,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:14,487 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:21,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:21,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 359 states and 686 transitions. [2021-11-23 01:05:21,882 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 686 transitions. [2021-11-23 01:05:21,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 01:05:21,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:21,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:22,181 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:25,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:25,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 363 states and 692 transitions. [2021-11-23 01:05:25,546 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 692 transitions. [2021-11-23 01:05:25,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 01:05:25,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:25,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:27,025 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:34,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:34,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 375 states and 717 transitions. [2021-11-23 01:05:34,962 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 717 transitions. [2021-11-23 01:05:34,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 01:05:34,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:34,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:35,198 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:38,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:38,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 378 states and 723 transitions. [2021-11-23 01:05:38,095 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 723 transitions. [2021-11-23 01:05:38,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 01:05:38,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:38,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:38,499 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:39,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:39,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 379 states and 724 transitions. [2021-11-23 01:05:39,469 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 724 transitions. [2021-11-23 01:05:39,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 01:05:39,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:39,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:42,423 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:54,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:54,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 395 states and 766 transitions. [2021-11-23 01:05:54,918 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 766 transitions. [2021-11-23 01:05:54,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 01:05:54,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:54,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:55,517 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:00,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:00,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 402 states and 794 transitions. [2021-11-23 01:06:00,599 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 794 transitions. [2021-11-23 01:06:00,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 01:06:00,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:00,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:01,240 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:02,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:02,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 403 states and 800 transitions. [2021-11-23 01:06:02,343 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 800 transitions. [2021-11-23 01:06:02,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 01:06:02,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:02,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:02,954 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:04,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:04,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 404 states and 803 transitions. [2021-11-23 01:06:04,085 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 803 transitions. [2021-11-23 01:06:04,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 01:06:04,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:04,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:05,643 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:17,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:17,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 418 states and 839 transitions. [2021-11-23 01:06:17,119 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 839 transitions. [2021-11-23 01:06:17,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 01:06:17,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:17,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:17,300 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:20,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:20,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 415 states and 837 transitions. [2021-11-23 01:06:20,258 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 837 transitions. [2021-11-23 01:06:20,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 01:06:20,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:20,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:20,474 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:24,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:24,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 419 states and 852 transitions. [2021-11-23 01:06:24,051 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 852 transitions. [2021-11-23 01:06:24,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 01:06:24,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:24,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:24,218 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:24,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:24,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 420 states and 858 transitions. [2021-11-23 01:06:24,940 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 858 transitions. [2021-11-23 01:06:24,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 01:06:24,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:24,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:25,079 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:26,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:26,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 422 states and 861 transitions. [2021-11-23 01:06:26,597 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 861 transitions. [2021-11-23 01:06:26,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 01:06:26,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:26,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:26,900 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:27,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:27,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 423 states and 862 transitions. [2021-11-23 01:06:27,732 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 862 transitions. [2021-11-23 01:06:27,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 01:06:27,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:27,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:27,895 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:28,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:28,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 424 states and 869 transitions. [2021-11-23 01:06:28,820 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 869 transitions. [2021-11-23 01:06:28,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 01:06:28,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:28,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:29,007 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:30,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:30,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 425 states and 876 transitions. [2021-11-23 01:06:30,004 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 876 transitions. [2021-11-23 01:06:30,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 01:06:30,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:30,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:30,171 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:31,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:31,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 426 states and 879 transitions. [2021-11-23 01:06:31,371 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 879 transitions. [2021-11-23 01:06:31,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 01:06:31,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:31,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:33,000 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:49,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:49,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 445 states and 928 transitions. [2021-11-23 01:06:49,162 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 928 transitions. [2021-11-23 01:06:49,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 01:06:49,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:49,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:49,564 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:58,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:58,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 455 states and 957 transitions. [2021-11-23 01:06:58,102 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 957 transitions. [2021-11-23 01:06:58,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 01:06:58,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:58,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:58,432 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:02,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:02,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 459 states and 973 transitions. [2021-11-23 01:07:02,920 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 973 transitions. [2021-11-23 01:07:02,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 01:07:02,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:02,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:03,341 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:06,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:06,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 462 states and 978 transitions. [2021-11-23 01:07:06,754 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 978 transitions. [2021-11-23 01:07:06,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 01:07:06,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:06,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:07,164 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:08,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:08,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 463 states and 979 transitions. [2021-11-23 01:07:08,146 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 979 transitions. [2021-11-23 01:07:08,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 01:07:08,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:08,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:08,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:08,598 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:09,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:09,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 464 states and 980 transitions. [2021-11-23 01:07:09,702 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 980 transitions. [2021-11-23 01:07:09,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 01:07:09,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:09,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:10,099 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:11,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:11,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 465 states and 984 transitions. [2021-11-23 01:07:11,474 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 984 transitions. [2021-11-23 01:07:11,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 01:07:11,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:11,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:11,798 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:12,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:12,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 466 states and 984 transitions. [2021-11-23 01:07:12,883 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 984 transitions. [2021-11-23 01:07:12,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 01:07:12,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:12,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:13,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:14,178 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:23,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:23,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 473 states and 1006 transitions. [2021-11-23 01:07:23,006 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 1006 transitions. [2021-11-23 01:07:23,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 01:07:23,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:23,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:23,259 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:24,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:24,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 474 states and 1012 transitions. [2021-11-23 01:07:24,501 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 1012 transitions. [2021-11-23 01:07:24,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 01:07:24,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:24,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:24,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:24,796 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:30,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:30,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 480 states and 1028 transitions. [2021-11-23 01:07:30,534 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 1028 transitions. [2021-11-23 01:07:30,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 01:07:30,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:30,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:30,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:30,750 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:34,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:34,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 483 states and 1032 transitions. [2021-11-23 01:07:34,389 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 1032 transitions. [2021-11-23 01:07:34,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 01:07:34,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:34,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:34,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:34,718 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:35,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:35,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 484 states and 1033 transitions. [2021-11-23 01:07:35,811 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 1033 transitions. [2021-11-23 01:07:35,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 01:07:35,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:35,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:36,113 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:40,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:40,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 487 states and 1047 transitions. [2021-11-23 01:07:40,070 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 1047 transitions. [2021-11-23 01:07:40,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 01:07:40,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:40,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:40,373 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:42,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:42,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 489 states and 1049 transitions. [2021-11-23 01:07:42,769 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 1049 transitions. [2021-11-23 01:07:42,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 01:07:42,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:42,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:42,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:43,009 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:44,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:44,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 490 states and 1050 transitions. [2021-11-23 01:07:44,086 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 1050 transitions. [2021-11-23 01:07:44,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 01:07:44,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:44,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:44,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:44,850 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:56,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:56,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 497 states and 1076 transitions. [2021-11-23 01:07:56,929 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 1076 transitions. [2021-11-23 01:07:56,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 01:07:56,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:56,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:57,244 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:58,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:58,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 498 states and 1080 transitions. [2021-11-23 01:07:58,711 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 1080 transitions. [2021-11-23 01:07:58,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 01:07:58,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:58,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:58,947 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:01,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:01,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 500 states and 1083 transitions. [2021-11-23 01:08:01,639 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 1083 transitions. [2021-11-23 01:08:01,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 01:08:01,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:01,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:01,938 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:05,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:05,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 504 states and 1099 transitions. [2021-11-23 01:08:05,777 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 1099 transitions. [2021-11-23 01:08:05,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 01:08:05,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:05,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:06,014 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:13,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:13,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 509 states and 1116 transitions. [2021-11-23 01:08:13,036 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 1116 transitions. [2021-11-23 01:08:13,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 01:08:13,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:13,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:13,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:13,455 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:14,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:14,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 510 states and 1117 transitions. [2021-11-23 01:08:14,682 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 1117 transitions. [2021-11-23 01:08:14,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 01:08:14,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:14,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:14,943 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:17,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:17,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 512 states and 1119 transitions. [2021-11-23 01:08:17,579 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 1119 transitions. [2021-11-23 01:08:17,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 01:08:17,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:17,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:30,975 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:45,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:45,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 605 states and 1362 transitions. [2021-11-23 01:09:45,486 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 1362 transitions. [2021-11-23 01:09:45,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 01:09:45,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:45,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:51,601 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:18,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:18,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 618 states and 1396 transitions. [2021-11-23 01:10:18,469 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 1396 transitions. [2021-11-23 01:10:18,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 01:10:18,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:18,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:23,646 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:32,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:32,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 621 states and 1409 transitions. [2021-11-23 01:10:32,675 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 1409 transitions. [2021-11-23 01:10:32,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 01:10:32,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:32,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:37,274 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:48,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:48,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 625 states and 1418 transitions. [2021-11-23 01:10:48,559 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 1418 transitions. [2021-11-23 01:10:48,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 01:10:48,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:48,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:53,414 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:59,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:59,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1421 states to 627 states and 1421 transitions. [2021-11-23 01:10:59,233 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 1421 transitions. [2021-11-23 01:10:59,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 01:10:59,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:59,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:03,441 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:09,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:09,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 630 states and 1427 transitions. [2021-11-23 01:11:09,201 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 1427 transitions. [2021-11-23 01:11:09,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 01:11:09,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:09,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:13,531 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:22,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:22,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 633 states and 1437 transitions. [2021-11-23 01:11:22,553 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 1437 transitions. [2021-11-23 01:11:22,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 01:11:22,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:22,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:27,246 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:32,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:32,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 635 states and 1441 transitions. [2021-11-23 01:11:32,951 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 1441 transitions. [2021-11-23 01:11:32,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 01:11:32,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:32,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:37,249 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:40,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:40,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 636 states and 1445 transitions. [2021-11-23 01:11:40,333 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 1445 transitions. [2021-11-23 01:11:40,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 01:11:40,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:40,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:44,417 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:47,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:47,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 637 states and 1446 transitions. [2021-11-23 01:11:47,431 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 1446 transitions. [2021-11-23 01:11:47,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 01:11:47,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:47,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:51,609 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:54,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:54,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 638 states and 1447 transitions. [2021-11-23 01:11:54,481 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 1447 transitions. [2021-11-23 01:11:54,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:11:54,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:54,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:04,636 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 6 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:48,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:48,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1569 states to 684 states and 1569 transitions. [2021-11-23 01:13:48,511 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 1569 transitions. [2021-11-23 01:13:48,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:13:48,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:48,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:52,606 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 6 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:27,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:27,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 697 states and 1600 transitions. [2021-11-23 01:14:27,634 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 1600 transitions. [2021-11-23 01:14:27,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:14:27,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:27,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:28,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:31,770 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 6 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:50,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:50,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 703 states and 1616 transitions. [2021-11-23 01:14:50,550 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1616 transitions. [2021-11-23 01:14:50,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:14:50,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:50,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:54,523 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 6 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:12,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:12,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 713 states and 1667 transitions. [2021-11-23 01:15:12,981 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 1667 transitions. [2021-11-23 01:15:12,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:15:12,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:12,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:13,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:16,883 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 6 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.