./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/sumt2.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_3d63466e-800c-4fac-b781-8c4af911e2ac/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d63466e-800c-4fac-b781-8c4af911e2ac/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_3d63466e-800c-4fac-b781-8c4af911e2ac/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d63466e-800c-4fac-b781-8c4af911e2ac/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/sumt2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d63466e-800c-4fac-b781-8c4af911e2ac/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_3d63466e-800c-4fac-b781-8c4af911e2ac/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 1b0e7d857a64a21fc5f03950cacb4a35900c867819a68273aa97f44e84e99e64 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:25:02,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:25:02,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:25:02,793 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:25:02,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:25:02,800 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:25:02,802 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:25:02,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:25:02,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:25:02,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:25:02,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:25:02,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:25:02,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:25:02,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:25:02,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:25:02,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:25:02,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:25:02,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:25:02,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:25:02,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:25:02,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:25:02,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:25:02,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:25:02,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:25:02,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:25:02,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:25:02,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:25:02,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:25:02,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:25:02,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:25:02,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:25:02,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:25:02,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:25:02,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:25:02,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:25:02,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:25:02,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:25:02,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:25:02,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:25:02,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:25:02,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:25:02,884 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d63466e-800c-4fac-b781-8c4af911e2ac/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:25:02,931 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:25:02,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:25:02,933 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:25:02,933 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:25:02,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:25:02,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:25:02,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:25:02,935 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:25:02,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:25:02,942 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:25:02,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:25:02,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:25:02,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:25:02,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:25:02,944 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:25:02,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:25:02,944 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:25:02,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:25:02,945 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:25:02,945 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:25:02,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:25:02,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:25:02,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:25:02,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:25:02,946 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:25:02,946 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:25:02,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:25:02,947 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:25:02,947 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_3d63466e-800c-4fac-b781-8c4af911e2ac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d63466e-800c-4fac-b781-8c4af911e2ac/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b0e7d857a64a21fc5f03950cacb4a35900c867819a68273aa97f44e84e99e64 [2021-11-22 23:25:03,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:25:03,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:25:03,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:25:03,254 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:25:03,255 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:25:03,256 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d63466e-800c-4fac-b781-8c4af911e2ac/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/loops-crafted-1/sumt2.c [2021-11-22 23:25:03,330 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d63466e-800c-4fac-b781-8c4af911e2ac/bin/ukojak-LBtLqBUTdQ/data/1a788f26a/3973d59ec07b455796a70dbb1d785d1f/FLAGf5c40daa7 [2021-11-22 23:25:03,774 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:25:03,776 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d63466e-800c-4fac-b781-8c4af911e2ac/sv-benchmarks/c/loops-crafted-1/sumt2.c [2021-11-22 23:25:03,787 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d63466e-800c-4fac-b781-8c4af911e2ac/bin/ukojak-LBtLqBUTdQ/data/1a788f26a/3973d59ec07b455796a70dbb1d785d1f/FLAGf5c40daa7 [2021-11-22 23:25:04,164 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d63466e-800c-4fac-b781-8c4af911e2ac/bin/ukojak-LBtLqBUTdQ/data/1a788f26a/3973d59ec07b455796a70dbb1d785d1f [2021-11-22 23:25:04,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:25:04,169 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:25:04,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:25:04,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:25:04,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:25:04,178 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:25:04" (1/1) ... [2021-11-22 23:25:04,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62331e10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:25:04, skipping insertion in model container [2021-11-22 23:25:04,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:25:04" (1/1) ... [2021-11-22 23:25:04,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:25:04,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:25:04,396 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_3d63466e-800c-4fac-b781-8c4af911e2ac/sv-benchmarks/c/loops-crafted-1/sumt2.c[403,416] [2021-11-22 23:25:04,420 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:25:04,427 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:25:04,438 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_3d63466e-800c-4fac-b781-8c4af911e2ac/sv-benchmarks/c/loops-crafted-1/sumt2.c[403,416] [2021-11-22 23:25:04,443 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:25:04,457 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:25:04,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:25:04 WrapperNode [2021-11-22 23:25:04,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:25:04,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:25:04,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:25:04,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:25:04,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:25:04" (1/1) ... [2021-11-22 23:25:04,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:25:04" (1/1) ... [2021-11-22 23:25:04,493 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40 [2021-11-22 23:25:04,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:25:04,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:25:04,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:25:04,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:25:04,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:25:04" (1/1) ... [2021-11-22 23:25:04,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:25:04" (1/1) ... [2021-11-22 23:25:04,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:25:04" (1/1) ... [2021-11-22 23:25:04,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:25:04" (1/1) ... [2021-11-22 23:25:04,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:25:04" (1/1) ... [2021-11-22 23:25:04,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:25:04" (1/1) ... [2021-11-22 23:25:04,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:25:04" (1/1) ... [2021-11-22 23:25:04,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:25:04,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:25:04,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:25:04,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:25:04,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:25:04" (1/1) ... [2021-11-22 23:25:04,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:25:04,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d63466e-800c-4fac-b781-8c4af911e2ac/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:25:04,555 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d63466e-800c-4fac-b781-8c4af911e2ac/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:25:04,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d63466e-800c-4fac-b781-8c4af911e2ac/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:25:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:25:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:25:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:25:04,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:25:04,654 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:25:04,655 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:25:04,758 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:25:04,783 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:25:04,783 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 23:25:04,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:25:04 BoogieIcfgContainer [2021-11-22 23:25:04,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:25:04,787 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:25:04,788 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:25:04,799 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:25:04,800 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:25:04" (1/1) ... [2021-11-22 23:25:04,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:25:04,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:04,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-22 23:25:04,873 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-22 23:25:04,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:25:04,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:04,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:05,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:05,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:05,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2021-11-22 23:25:05,175 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2021-11-22 23:25:05,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:25:05,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:05,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:05,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:05,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:05,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:05,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-22 23:25:05,830 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-22 23:25:05,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:25:05,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:05,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:05,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:06,239 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:06,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:06,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2021-11-22 23:25:06,541 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2021-11-22 23:25:06,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:25:06,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:06,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:07,008 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:07,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:07,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2021-11-22 23:25:07,675 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2021-11-22 23:25:07,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:25:07,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:07,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:08,154 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:09,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:09,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 17 states and 29 transitions. [2021-11-22 23:25:09,076 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 29 transitions. [2021-11-22 23:25:09,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:25:09,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:09,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:09,579 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:10,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:10,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 19 states and 33 transitions. [2021-11-22 23:25:10,304 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 33 transitions. [2021-11-22 23:25:10,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:25:10,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:10,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:10,956 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:11,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:11,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 21 states and 37 transitions. [2021-11-22 23:25:11,724 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 37 transitions. [2021-11-22 23:25:11,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:25:11,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:11,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:12,492 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:13,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:13,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 23 states and 41 transitions. [2021-11-22 23:25:13,405 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 41 transitions. [2021-11-22 23:25:13,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:13,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:13,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:14,320 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:15,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:15,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 25 states and 45 transitions. [2021-11-22 23:25:15,226 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 45 transitions. [2021-11-22 23:25:15,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:25:15,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:15,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:16,282 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:17,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:17,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 27 states and 49 transitions. [2021-11-22 23:25:17,212 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 49 transitions. [2021-11-22 23:25:17,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:25:17,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:17,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:18,390 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:19,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:19,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 29 states and 53 transitions. [2021-11-22 23:25:19,692 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 53 transitions. [2021-11-22 23:25:19,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:25:19,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:19,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:21,125 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:22,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:22,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 31 states and 57 transitions. [2021-11-22 23:25:22,556 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 57 transitions. [2021-11-22 23:25:22,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:25:22,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:22,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:24,369 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:25,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:25,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2021-11-22 23:25:25,599 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2021-11-22 23:25:25,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:25:25,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:25,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:27,072 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:28,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:28,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 65 transitions. [2021-11-22 23:25:28,405 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 65 transitions. [2021-11-22 23:25:28,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:25:28,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:28,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:30,059 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:31,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:31,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 69 transitions. [2021-11-22 23:25:31,861 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 69 transitions. [2021-11-22 23:25:31,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:25:31,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:31,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:31,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:33,671 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:35,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:35,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 73 transitions. [2021-11-22 23:25:35,214 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 73 transitions. [2021-11-22 23:25:35,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:25:35,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:35,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:36,977 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:38,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:38,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 77 transitions. [2021-11-22 23:25:38,794 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 77 transitions. [2021-11-22 23:25:38,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:25:38,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:38,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:40,720 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:42,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:42,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 43 states and 81 transitions. [2021-11-22 23:25:42,471 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 81 transitions. [2021-11-22 23:25:42,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:25:42,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:42,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:44,602 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:46,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:46,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 85 transitions. [2021-11-22 23:25:46,456 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 85 transitions. [2021-11-22 23:25:46,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:25:46,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:46,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:49,136 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:51,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:51,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 47 states and 89 transitions. [2021-11-22 23:25:51,421 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 89 transitions. [2021-11-22 23:25:51,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:25:51,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:51,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:54,510 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:56,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:56,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 49 states and 93 transitions. [2021-11-22 23:25:56,512 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 93 transitions. [2021-11-22 23:25:56,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:25:56,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:56,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:59,517 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:01,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:01,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 51 states and 97 transitions. [2021-11-22 23:26:01,631 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 97 transitions. [2021-11-22 23:26:01,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 23:26:01,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:01,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:04,837 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:07,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:07,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 53 states and 101 transitions. [2021-11-22 23:26:07,053 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 101 transitions. [2021-11-22 23:26:07,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:26:07,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:07,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:07,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:10,501 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:12,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:12,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 55 states and 105 transitions. [2021-11-22 23:26:13,000 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 105 transitions. [2021-11-22 23:26:13,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-22 23:26:13,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:13,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:17,231 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:19,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:19,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 57 states and 109 transitions. [2021-11-22 23:26:19,702 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 109 transitions. [2021-11-22 23:26:19,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:26:19,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:19,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:23,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:26,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:26,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 59 states and 113 transitions. [2021-11-22 23:26:26,554 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 113 transitions. [2021-11-22 23:26:26,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-22 23:26:26,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:26,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:31,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:33,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:33,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 61 states and 117 transitions. [2021-11-22 23:26:33,524 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 117 transitions. [2021-11-22 23:26:33,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:26:33,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:33,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:38,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:41,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:41,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 63 states and 121 transitions. [2021-11-22 23:26:41,069 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 121 transitions. [2021-11-22 23:26:41,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-22 23:26:41,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:41,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:46,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:49,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:49,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 65 states and 125 transitions. [2021-11-22 23:26:49,362 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 125 transitions. [2021-11-22 23:26:49,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:26:49,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:49,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:54,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:57,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:57,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 67 states and 129 transitions. [2021-11-22 23:26:57,911 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 129 transitions. [2021-11-22 23:26:57,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:26:57,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:57,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:58,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:03,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:07,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:07,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 69 states and 133 transitions. [2021-11-22 23:27:07,138 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 133 transitions. [2021-11-22 23:27:07,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:27:07,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:07,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:13,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:16,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:16,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 71 states and 137 transitions. [2021-11-22 23:27:16,720 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 137 transitions. [2021-11-22 23:27:16,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-22 23:27:16,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:16,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:23,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:26,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:26,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 73 states and 141 transitions. [2021-11-22 23:27:26,887 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 141 transitions. [2021-11-22 23:27:26,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-22 23:27:26,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:26,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:34,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:37,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:37,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 75 states and 145 transitions. [2021-11-22 23:27:37,593 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 145 transitions. [2021-11-22 23:27:37,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-22 23:27:37,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:37,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:44,771 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:48,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:48,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 77 states and 149 transitions. [2021-11-22 23:27:48,217 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 149 transitions. [2021-11-22 23:27:48,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:27:48,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:48,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:56,033 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:59,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:59,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 79 states and 153 transitions. [2021-11-22 23:27:59,612 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 153 transitions. [2021-11-22 23:27:59,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:27:59,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:59,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:08,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:11,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:11,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 81 states and 157 transitions. [2021-11-22 23:28:11,903 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 157 transitions. [2021-11-22 23:28:11,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:28:11,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:11,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:12,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:20,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:24,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:24,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 83 states and 161 transitions. [2021-11-22 23:28:24,580 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 161 transitions. [2021-11-22 23:28:24,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-22 23:28:24,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:24,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:32,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:37,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:37,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 85 states and 165 transitions. [2021-11-22 23:28:37,086 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 165 transitions. [2021-11-22 23:28:37,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:28:37,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:37,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:46,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:50,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:50,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 87 states and 169 transitions. [2021-11-22 23:28:50,517 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 169 transitions. [2021-11-22 23:28:50,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-22 23:28:50,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:50,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:59,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:04,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:04,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 89 states and 173 transitions. [2021-11-22 23:29:04,255 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 173 transitions. [2021-11-22 23:29:04,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:29:04,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:04,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:04,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:14,188 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:18,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:18,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 91 states and 177 transitions. [2021-11-22 23:29:18,722 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 177 transitions. [2021-11-22 23:29:18,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:29:18,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:18,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:29,242 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:33,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:33,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 93 states and 181 transitions. [2021-11-22 23:29:33,805 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 181 transitions. [2021-11-22 23:29:33,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-22 23:29:33,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:33,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:44,402 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:49,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:49,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 95 states and 185 transitions. [2021-11-22 23:29:49,161 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 185 transitions. [2021-11-22 23:29:49,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-22 23:29:49,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:49,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:59,982 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:05,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:05,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 97 states and 188 transitions. [2021-11-22 23:30:05,689 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 188 transitions. [2021-11-22 23:30:05,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-22 23:30:05,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:05,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:16,587 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:21,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:21,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 99 states and 192 transitions. [2021-11-22 23:30:21,737 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 192 transitions. [2021-11-22 23:30:21,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-22 23:30:21,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:21,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:33,249 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:38,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:38,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 101 states and 196 transitions. [2021-11-22 23:30:38,403 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 196 transitions. [2021-11-22 23:30:38,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-22 23:30:38,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:38,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:39,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:50,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:55,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:55,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 103 states and 200 transitions. [2021-11-22 23:30:55,856 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 200 transitions. [2021-11-22 23:30:55,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-22 23:30:55,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:55,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:56,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:07,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:13,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:13,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 105 states and 204 transitions. [2021-11-22 23:31:13,286 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 204 transitions. [2021-11-22 23:31:13,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-22 23:31:13,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:13,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:25,904 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:31,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:31,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 107 states and 208 transitions. [2021-11-22 23:31:31,616 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 208 transitions. [2021-11-22 23:31:31,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-22 23:31:31,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:31,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:32,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:45,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:50,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:50,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 109 states and 212 transitions. [2021-11-22 23:31:50,967 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 212 transitions. [2021-11-22 23:31:50,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-22 23:31:50,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:50,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:51,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:05,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:11,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:11,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 111 states and 216 transitions. [2021-11-22 23:32:11,309 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 216 transitions. [2021-11-22 23:32:11,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-22 23:32:11,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:11,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:11,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:26,093 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:32,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:32,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 113 states and 220 transitions. [2021-11-22 23:32:32,337 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 220 transitions. [2021-11-22 23:32:32,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-22 23:32:32,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:32,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:47,826 INFO L134 CoverageAnalysis]: Checked inductivity of 5253 backedges. 0 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:54,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:54,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 115 states and 224 transitions. [2021-11-22 23:32:54,354 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 224 transitions. [2021-11-22 23:32:54,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-22 23:32:54,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:54,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:54,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:10,486 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:17,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:17,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 117 states and 228 transitions. [2021-11-22 23:33:17,126 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 228 transitions. [2021-11-22 23:33:17,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-22 23:33:17,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:17,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:34,246 INFO L134 CoverageAnalysis]: Checked inductivity of 5671 backedges. 0 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:41,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:41,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 119 states and 232 transitions. [2021-11-22 23:33:41,058 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 232 transitions. [2021-11-22 23:33:41,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-22 23:33:41,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:41,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:58,659 INFO L134 CoverageAnalysis]: Checked inductivity of 5886 backedges. 0 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:05,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:05,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 121 states and 236 transitions. [2021-11-22 23:34:05,589 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 236 transitions. [2021-11-22 23:34:05,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-22 23:34:05,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:05,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:24,518 INFO L134 CoverageAnalysis]: Checked inductivity of 6105 backedges. 0 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:32,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:32,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 124 states and 242 transitions. [2021-11-22 23:34:32,500 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 242 transitions. [2021-11-22 23:34:32,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-22 23:34:32,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:32,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:51,737 INFO L134 CoverageAnalysis]: Checked inductivity of 6328 backedges. 0 proven. 6328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:59,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:59,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 126 states and 246 transitions. [2021-11-22 23:34:59,257 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 246 transitions. [2021-11-22 23:34:59,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-22 23:34:59,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:59,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:19,363 INFO L134 CoverageAnalysis]: Checked inductivity of 6555 backedges. 0 proven. 6555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:35:27,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:27,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 128 states and 250 transitions. [2021-11-22 23:35:27,086 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 250 transitions. [2021-11-22 23:35:27,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-22 23:35:27,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:27,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:47,790 INFO L134 CoverageAnalysis]: Checked inductivity of 6786 backedges. 0 proven. 6786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:35:55,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:55,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 130 states and 254 transitions. [2021-11-22 23:35:55,459 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 254 transitions. [2021-11-22 23:35:55,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-22 23:35:55,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:55,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:56,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:36:16,779 INFO L134 CoverageAnalysis]: Checked inductivity of 7021 backedges. 0 proven. 7021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:36:24,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:36:24,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 132 states and 258 transitions. [2021-11-22 23:36:24,538 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 258 transitions. [2021-11-22 23:36:24,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-22 23:36:24,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:36:24,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:36:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:36:46,477 INFO L134 CoverageAnalysis]: Checked inductivity of 7260 backedges. 0 proven. 7260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:36:54,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:36:54,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 134 states and 262 transitions. [2021-11-22 23:36:54,295 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 262 transitions. [2021-11-22 23:36:54,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-22 23:36:54,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:36:54,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:36:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:37:17,272 INFO L134 CoverageAnalysis]: Checked inductivity of 7503 backedges. 0 proven. 7503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:37:25,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:37:25,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 136 states and 266 transitions. [2021-11-22 23:37:25,445 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 266 transitions. [2021-11-22 23:37:25,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-22 23:37:25,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:37:25,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:37:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat