./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/nested9.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6978978-d2f3-4f96-a214-de5e2941de7e/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6978978-d2f3-4f96-a214-de5e2941de7e/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6978978-d2f3-4f96-a214-de5e2941de7e/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6978978-d2f3-4f96-a214-de5e2941de7e/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/nested9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6978978-d2f3-4f96-a214-de5e2941de7e/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6978978-d2f3-4f96-a214-de5e2941de7e/bin/ukojak-vF6T2TMglN --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 f3ca1fd1ad8fdbcd9efe7b99bc6e3715231417d253ce4ee9bba3d5969472333a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 06:01:35,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 06:01:35,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 06:01:35,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 06:01:35,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 06:01:35,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 06:01:35,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 06:01:35,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 06:01:35,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 06:01:35,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 06:01:35,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 06:01:35,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 06:01:35,986 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 06:01:35,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 06:01:35,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 06:01:35,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 06:01:35,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 06:01:35,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 06:01:35,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 06:01:35,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 06:01:36,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 06:01:36,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 06:01:36,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 06:01:36,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 06:01:36,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 06:01:36,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 06:01:36,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 06:01:36,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 06:01:36,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 06:01:36,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 06:01:36,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 06:01:36,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 06:01:36,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 06:01:36,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 06:01:36,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 06:01:36,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 06:01:36,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 06:01:36,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 06:01:36,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 06:01:36,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 06:01:36,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 06:01:36,023 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6978978-d2f3-4f96-a214-de5e2941de7e/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 06:01:36,047 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 06:01:36,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 06:01:36,049 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 06:01:36,049 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 06:01:36,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 06:01:36,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 06:01:36,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 06:01:36,051 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 06:01:36,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 06:01:36,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 06:01:36,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 06:01:36,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 06:01:36,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 06:01:36,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 06:01:36,054 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 06:01:36,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 06:01:36,055 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 06:01:36,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 06:01:36,056 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 06:01:36,056 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 06:01:36,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 06:01:36,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:01:36,057 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 06:01:36,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 06:01:36,058 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 06:01:36,058 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 06:01:36,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 06:01:36,059 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 06:01:36,059 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_c6978978-d2f3-4f96-a214-de5e2941de7e/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6978978-d2f3-4f96-a214-de5e2941de7e/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3ca1fd1ad8fdbcd9efe7b99bc6e3715231417d253ce4ee9bba3d5969472333a [2021-11-21 06:01:36,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 06:01:36,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 06:01:36,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 06:01:36,381 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 06:01:36,382 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 06:01:36,384 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6978978-d2f3-4f96-a214-de5e2941de7e/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/loop-invgen/nested9.i [2021-11-21 06:01:36,460 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6978978-d2f3-4f96-a214-de5e2941de7e/bin/ukojak-vF6T2TMglN/data/eab93597f/5851fe3657d94bbb826a53aed9f0a7b0/FLAGef60c57db [2021-11-21 06:01:36,881 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 06:01:36,882 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6978978-d2f3-4f96-a214-de5e2941de7e/sv-benchmarks/c/loop-invgen/nested9.i [2021-11-21 06:01:36,889 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6978978-d2f3-4f96-a214-de5e2941de7e/bin/ukojak-vF6T2TMglN/data/eab93597f/5851fe3657d94bbb826a53aed9f0a7b0/FLAGef60c57db [2021-11-21 06:01:37,265 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6978978-d2f3-4f96-a214-de5e2941de7e/bin/ukojak-vF6T2TMglN/data/eab93597f/5851fe3657d94bbb826a53aed9f0a7b0 [2021-11-21 06:01:37,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 06:01:37,268 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 06:01:37,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 06:01:37,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 06:01:37,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 06:01:37,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:01:37" (1/1) ... [2021-11-21 06:01:37,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6314f868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:01:37, skipping insertion in model container [2021-11-21 06:01:37,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:01:37" (1/1) ... [2021-11-21 06:01:37,295 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 06:01:37,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 06:01:37,480 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_c6978978-d2f3-4f96-a214-de5e2941de7e/sv-benchmarks/c/loop-invgen/nested9.i[893,906] [2021-11-21 06:01:37,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:01:37,510 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 06:01:37,523 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_c6978978-d2f3-4f96-a214-de5e2941de7e/sv-benchmarks/c/loop-invgen/nested9.i[893,906] [2021-11-21 06:01:37,528 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:01:37,542 INFO L208 MainTranslator]: Completed translation [2021-11-21 06:01:37,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:01:37 WrapperNode [2021-11-21 06:01:37,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 06:01:37,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 06:01:37,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 06:01:37,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 06:01:37,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:01:37" (1/1) ... [2021-11-21 06:01:37,559 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:01:37" (1/1) ... [2021-11-21 06:01:37,577 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2021-11-21 06:01:37,577 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 06:01:37,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 06:01:37,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 06:01:37,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 06:01:37,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:01:37" (1/1) ... [2021-11-21 06:01:37,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:01:37" (1/1) ... [2021-11-21 06:01:37,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:01:37" (1/1) ... [2021-11-21 06:01:37,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:01:37" (1/1) ... [2021-11-21 06:01:37,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:01:37" (1/1) ... [2021-11-21 06:01:37,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:01:37" (1/1) ... [2021-11-21 06:01:37,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:01:37" (1/1) ... [2021-11-21 06:01:37,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 06:01:37,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 06:01:37,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 06:01:37,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 06:01:37,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:01:37" (1/1) ... [2021-11-21 06:01:37,607 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:01:37,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6978978-d2f3-4f96-a214-de5e2941de7e/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 06:01:37,636 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6978978-d2f3-4f96-a214-de5e2941de7e/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 06:01:37,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6978978-d2f3-4f96-a214-de5e2941de7e/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 06:01:37,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 06:01:37,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 06:01:37,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 06:01:37,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 06:01:37,731 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 06:01:37,733 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 06:01:37,850 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 06:01:37,873 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 06:01:37,873 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-21 06:01:37,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:01:37 BoogieIcfgContainer [2021-11-21 06:01:37,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 06:01:37,877 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 06:01:37,877 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 06:01:37,887 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 06:01:37,888 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:01:37" (1/1) ... [2021-11-21 06:01:37,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 06:01:37,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:37,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2021-11-21 06:01:37,976 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2021-11-21 06:01:37,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 06:01:37,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:37,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:38,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:01:38,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:38,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2021-11-21 06:01:38,506 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2021-11-21 06:01:38,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 06:01:38,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:38,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:38,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:38,684 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:01:39,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:39,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 22 states and 44 transitions. [2021-11-21 06:01:39,057 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 44 transitions. [2021-11-21 06:01:39,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 06:01:39,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:39,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:39,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:39,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:01:39,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:39,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 25 states and 51 transitions. [2021-11-21 06:01:39,487 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 51 transitions. [2021-11-21 06:01:39,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 06:01:39,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:39,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:39,579 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:01:39,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:39,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 27 states and 59 transitions. [2021-11-21 06:01:39,987 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 59 transitions. [2021-11-21 06:01:39,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 06:01:39,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:39,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:40,093 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:01:40,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:40,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 29 states and 67 transitions. [2021-11-21 06:01:40,492 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 67 transitions. [2021-11-21 06:01:40,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 06:01:40,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:40,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:40,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:40,678 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:01:41,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:41,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 35 states and 86 transitions. [2021-11-21 06:01:41,887 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 86 transitions. [2021-11-21 06:01:41,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 06:01:41,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:41,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:41,984 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:01:42,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:42,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 36 states and 87 transitions. [2021-11-21 06:01:42,196 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 87 transitions. [2021-11-21 06:01:42,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 06:01:42,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:42,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:42,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:42,236 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:01:42,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:42,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 37 states and 91 transitions. [2021-11-21 06:01:42,426 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 91 transitions. [2021-11-21 06:01:42,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 06:01:42,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:42,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:42,611 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 06:01:43,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:43,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 39 states and 94 transitions. [2021-11-21 06:01:43,026 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 94 transitions. [2021-11-21 06:01:43,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 06:01:43,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:43,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:43,222 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:01:44,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:44,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 44 states and 108 transitions. [2021-11-21 06:01:44,517 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 108 transitions. [2021-11-21 06:01:44,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 06:01:44,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:44,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:44,656 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:01:45,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:45,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 49 states and 126 transitions. [2021-11-21 06:01:45,912 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 126 transitions. [2021-11-21 06:01:45,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 06:01:45,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:45,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:45,947 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:01:46,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:46,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 50 states and 130 transitions. [2021-11-21 06:01:46,183 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 130 transitions. [2021-11-21 06:01:46,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 06:01:46,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:46,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:46,211 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:01:46,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:46,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 51 states and 132 transitions. [2021-11-21 06:01:46,486 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 132 transitions. [2021-11-21 06:01:46,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 06:01:46,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:46,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:46,828 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:01:48,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:48,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 57 states and 152 transitions. [2021-11-21 06:01:48,917 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 152 transitions. [2021-11-21 06:01:48,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 06:01:48,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:48,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:48,956 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:01:49,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:49,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 58 states and 156 transitions. [2021-11-21 06:01:49,291 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 156 transitions. [2021-11-21 06:01:49,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 06:01:49,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:49,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:49,393 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:01:49,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:49,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 59 states and 156 transitions. [2021-11-21 06:01:49,743 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 156 transitions. [2021-11-21 06:01:49,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 06:01:49,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:49,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:49,769 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 06:01:50,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:50,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 61 states and 161 transitions. [2021-11-21 06:01:50,413 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 161 transitions. [2021-11-21 06:01:50,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 06:01:50,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:50,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:50,439 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 06:01:51,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:51,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 63 states and 166 transitions. [2021-11-21 06:01:51,125 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 166 transitions. [2021-11-21 06:01:51,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 06:01:51,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:51,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:51,206 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 06:01:51,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:51,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 65 states and 171 transitions. [2021-11-21 06:01:51,945 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 171 transitions. [2021-11-21 06:01:51,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 06:01:51,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:51,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:51,991 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 06:01:52,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:52,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 67 states and 175 transitions. [2021-11-21 06:01:52,673 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 175 transitions. [2021-11-21 06:01:52,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 06:01:52,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:52,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:52,714 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 06:01:53,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:53,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 68 states and 179 transitions. [2021-11-21 06:01:53,073 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 179 transitions. [2021-11-21 06:01:53,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 06:01:53,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:53,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:53,222 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:01:55,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:55,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 74 states and 197 transitions. [2021-11-21 06:01:55,150 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 197 transitions. [2021-11-21 06:01:55,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 06:01:55,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:55,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:55,175 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:01:55,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:55,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 76 states and 200 transitions. [2021-11-21 06:01:55,850 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 200 transitions. [2021-11-21 06:01:55,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 06:01:55,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:55,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:55,875 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:01:56,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:56,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 202 transitions. [2021-11-21 06:01:56,264 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 202 transitions. [2021-11-21 06:01:56,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 06:01:56,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:56,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:56,293 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 06:01:56,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:56,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 78 states and 203 transitions. [2021-11-21 06:01:56,620 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 203 transitions. [2021-11-21 06:01:56,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 06:01:56,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:56,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:56,648 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 06:01:57,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:57,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 79 states and 204 transitions. [2021-11-21 06:01:57,055 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 204 transitions. [2021-11-21 06:01:57,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 06:01:57,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:57,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:57,091 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 06:01:57,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:57,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 80 states and 205 transitions. [2021-11-21 06:01:57,436 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 205 transitions. [2021-11-21 06:01:57,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 06:01:57,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:57,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:57,482 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 06:01:57,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:57,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 81 states and 206 transitions. [2021-11-21 06:01:57,849 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 206 transitions. [2021-11-21 06:01:57,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 06:01:57,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:57,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:57,902 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 06:02:00,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:00,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 89 states and 226 transitions. [2021-11-21 06:02:00,696 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 226 transitions. [2021-11-21 06:02:00,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 06:02:00,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:00,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:00,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:00,734 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 06:02:01,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:01,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 91 states and 233 transitions. [2021-11-21 06:02:01,461 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 233 transitions. [2021-11-21 06:02:01,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 06:02:01,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:01,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:01,490 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 06:02:01,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:01,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 92 states and 233 transitions. [2021-11-21 06:02:01,830 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 233 transitions. [2021-11-21 06:02:01,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 06:02:01,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:01,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:01,860 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 06:02:02,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:02,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 95 states and 235 transitions. [2021-11-21 06:02:02,639 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 235 transitions. [2021-11-21 06:02:02,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 06:02:02,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:02,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:02,806 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 06:02:05,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:05,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 100 states and 243 transitions. [2021-11-21 06:02:05,161 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 243 transitions. [2021-11-21 06:02:05,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 06:02:05,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:05,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:05,186 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-21 06:02:06,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:06,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 104 states and 250 transitions. [2021-11-21 06:02:06,567 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 250 transitions. [2021-11-21 06:02:06,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 06:02:06,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:06,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:06,628 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-21 06:02:07,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:07,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 107 states and 253 transitions. [2021-11-21 06:02:07,789 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 253 transitions. [2021-11-21 06:02:07,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 06:02:07,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:07,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:07,821 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-21 06:02:08,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:08,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 108 states and 253 transitions. [2021-11-21 06:02:08,271 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 253 transitions. [2021-11-21 06:02:08,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 06:02:08,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:08,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:08,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:08,295 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-21 06:02:08,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:08,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 109 states and 255 transitions. [2021-11-21 06:02:08,656 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 255 transitions. [2021-11-21 06:02:08,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 06:02:08,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:08,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:09,231 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:02:11,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:11,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 114 states and 263 transitions. [2021-11-21 06:02:11,714 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 263 transitions. [2021-11-21 06:02:11,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 06:02:11,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:11,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:11,782 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-21 06:02:12,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:12,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 115 states and 263 transitions. [2021-11-21 06:02:12,239 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 263 transitions. [2021-11-21 06:02:12,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 06:02:12,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:12,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:12,260 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 28 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-21 06:02:12,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:12,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 116 states and 263 transitions. [2021-11-21 06:02:12,734 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 263 transitions. [2021-11-21 06:02:12,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:02:12,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:12,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:13,150 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-21 06:02:18,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:18,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 128 states and 293 transitions. [2021-11-21 06:02:18,657 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 293 transitions. [2021-11-21 06:02:18,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:02:18,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:18,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:18,688 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-21 06:02:20,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:20,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 132 states and 299 transitions. [2021-11-21 06:02:20,518 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 299 transitions. [2021-11-21 06:02:20,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 06:02:20,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:20,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:20,539 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 38 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-21 06:02:20,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:20,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 133 states and 299 transitions. [2021-11-21 06:02:20,999 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 299 transitions. [2021-11-21 06:02:20,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 06:02:20,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:21,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:21,027 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-21 06:02:22,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:22,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 136 states and 304 transitions. [2021-11-21 06:02:22,496 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 304 transitions. [2021-11-21 06:02:22,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 06:02:22,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:22,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:22,523 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-21 06:02:23,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:23,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 139 states and 311 transitions. [2021-11-21 06:02:23,922 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 311 transitions. [2021-11-21 06:02:23,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 06:02:23,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:23,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:23,951 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-21 06:02:25,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:25,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 142 states and 318 transitions. [2021-11-21 06:02:25,609 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 318 transitions. [2021-11-21 06:02:25,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 06:02:25,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:25,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:25,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:25,637 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-21 06:02:26,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:26,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 143 states and 319 transitions. [2021-11-21 06:02:26,088 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 319 transitions. [2021-11-21 06:02:26,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 06:02:26,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:26,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:26,119 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-11-21 06:02:26,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:26,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 144 states and 321 transitions. [2021-11-21 06:02:26,689 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 321 transitions. [2021-11-21 06:02:26,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 06:02:26,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:26,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:26,718 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-11-21 06:02:28,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:28,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 147 states and 326 transitions. [2021-11-21 06:02:28,170 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 326 transitions. [2021-11-21 06:02:28,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-21 06:02:28,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:28,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:28,605 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 18 proven. 60 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 06:02:34,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:34,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 158 states and 343 transitions. [2021-11-21 06:02:34,462 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 343 transitions. [2021-11-21 06:02:34,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-21 06:02:34,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:34,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:34,523 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 18 proven. 60 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 06:02:38,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:38,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 165 states and 355 transitions. [2021-11-21 06:02:38,516 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 355 transitions. [2021-11-21 06:02:38,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-21 06:02:38,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:38,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:38,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:38,806 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-21 06:02:44,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:44,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 175 states and 380 transitions. [2021-11-21 06:02:44,335 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 380 transitions. [2021-11-21 06:02:44,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-21 06:02:44,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:44,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:44,363 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-11-21 06:02:44,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:44,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 176 states and 381 transitions. [2021-11-21 06:02:44,902 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 381 transitions. [2021-11-21 06:02:44,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 06:02:44,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:44,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:44,929 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-21 06:02:47,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:47,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 175 states and 385 transitions. [2021-11-21 06:02:47,279 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 385 transitions. [2021-11-21 06:02:47,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-21 06:02:47,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:47,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:47,543 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 87 proven. 34 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-21 06:02:51,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:51,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 182 states and 399 transitions. [2021-11-21 06:02:51,622 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 399 transitions. [2021-11-21 06:02:51,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-21 06:02:51,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:51,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:51,649 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 87 proven. 34 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-21 06:02:52,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:52,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 184 states and 400 transitions. [2021-11-21 06:02:52,927 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 400 transitions. [2021-11-21 06:02:52,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 06:02:52,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:52,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:52,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:52,985 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 46 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-21 06:02:53,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:53,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 185 states and 400 transitions. [2021-11-21 06:02:53,853 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 400 transitions. [2021-11-21 06:02:53,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-21 06:02:53,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:53,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:54,854 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 107 proven. 27 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-21 06:02:58,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:58,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 190 states and 406 transitions. [2021-11-21 06:02:58,803 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 406 transitions. [2021-11-21 06:02:58,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-21 06:02:58,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:58,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:58,829 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 107 proven. 27 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-21 06:02:59,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:59,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 192 states and 407 transitions. [2021-11-21 06:02:59,983 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 407 transitions. [2021-11-21 06:02:59,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 06:02:59,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:59,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:00,662 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 48 proven. 99 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-21 06:03:08,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:08,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 207 states and 426 transitions. [2021-11-21 06:03:08,922 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 426 transitions. [2021-11-21 06:03:08,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 06:03:08,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:08,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:08,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:08,955 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 175 proven. 51 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-21 06:03:09,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:09,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 208 states and 427 transitions. [2021-11-21 06:03:09,613 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 427 transitions. [2021-11-21 06:03:09,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 06:03:09,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:09,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:09,829 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 223 proven. 22 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-11-21 06:03:11,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:11,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 211 states and 436 transitions. [2021-11-21 06:03:11,973 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 436 transitions. [2021-11-21 06:03:11,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-21 06:03:11,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:11,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:12,011 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 219 proven. 99 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-11-21 06:03:16,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:16,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 219 states and 451 transitions. [2021-11-21 06:03:16,657 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 451 transitions. [2021-11-21 06:03:16,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-21 06:03:16,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:16,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:16,696 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 219 proven. 99 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-11-21 06:03:17,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:17,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 221 states and 452 transitions. [2021-11-21 06:03:17,816 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 452 transitions. [2021-11-21 06:03:17,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-21 06:03:17,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:17,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:17,851 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 303 proven. 35 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-11-21 06:03:23,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:23,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 231 states and 465 transitions. [2021-11-21 06:03:23,159 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 465 transitions. [2021-11-21 06:03:23,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-21 06:03:23,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:23,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:23,196 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 240 proven. 120 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-11-21 06:03:27,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:27,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 100 states and 215 transitions. [2021-11-21 06:03:27,504 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 215 transitions. [2021-11-21 06:03:27,505 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-21 06:03:27,505 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 67 iterations. [2021-11-21 06:03:27,512 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-21 06:03:27,982 INFO L560 CodeCheckObserver]: Invariant with dag size 27 [2021-11-21 06:03:27,991 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2021-11-21 06:03:27,992 INFO L560 CodeCheckObserver]: Invariant with dag size 25 [2021-11-21 06:03:27,993 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-21 06:03:27,993 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-21 06:03:27,993 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-21 06:03:27,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:03:27 ImpRootNode [2021-11-21 06:03:27,994 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-21 06:03:27,995 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 06:03:27,995 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 06:03:27,995 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 06:03:27,996 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:01:37" (3/4) ... [2021-11-21 06:03:27,998 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-21 06:03:28,008 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-21 06:03:28,008 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-21 06:03:28,008 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-21 06:03:28,009 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-21 06:03:28,049 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6978978-d2f3-4f96-a214-de5e2941de7e/bin/ukojak-vF6T2TMglN/witness.graphml [2021-11-21 06:03:28,049 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 06:03:28,050 INFO L158 Benchmark]: Toolchain (without parser) took 110781.35ms. Allocated memory was 96.5MB in the beginning and 994.1MB in the end (delta: 897.6MB). Free memory was 57.7MB in the beginning and 534.2MB in the end (delta: -476.4MB). Peak memory consumption was 420.7MB. Max. memory is 16.1GB. [2021-11-21 06:03:28,051 INFO L158 Benchmark]: CDTParser took 1.38ms. Allocated memory is still 96.5MB. Free memory was 73.8MB in the beginning and 73.7MB in the end (delta: 41.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:03:28,051 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.77ms. Allocated memory is still 96.5MB. Free memory was 57.5MB in the beginning and 70.9MB in the end (delta: -13.4MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2021-11-21 06:03:28,051 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.04ms. Allocated memory is still 96.5MB. Free memory was 70.9MB in the beginning and 69.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:03:28,052 INFO L158 Benchmark]: Boogie Preprocessor took 20.10ms. Allocated memory is still 96.5MB. Free memory was 69.4MB in the beginning and 68.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 06:03:28,052 INFO L158 Benchmark]: RCFGBuilder took 277.08ms. Allocated memory is still 96.5MB. Free memory was 68.3MB in the beginning and 57.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 06:03:28,053 INFO L158 Benchmark]: CodeCheck took 110117.30ms. Allocated memory was 96.5MB in the beginning and 994.1MB in the end (delta: 897.6MB). Free memory was 57.8MB in the beginning and 536.3MB in the end (delta: -478.5MB). Peak memory consumption was 420.9MB. Max. memory is 16.1GB. [2021-11-21 06:03:28,054 INFO L158 Benchmark]: Witness Printer took 54.70ms. Allocated memory is still 994.1MB. Free memory was 536.3MB in the beginning and 534.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 06:03:28,056 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 109.6s, OverallIterations: 67, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13228 SdHoareTripleChecker+Valid, 84.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11595 mSDsluCounter, 528 SdHoareTripleChecker+Invalid, 70.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 132 mSDsCounter, 17966 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60295 IncrementalHoareTripleChecker+Invalid, 78261 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17966 mSolverCounterUnsat, 528 mSDtfsCounter, 60295 mSolverCounterSat, 1.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21415 GetRequests, 19591 SyntacticMatches, 878 SemanticMatches, 946 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 455488 ImplicationChecksByTransitivity, 103.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 1972 NumberOfCodeBlocks, 1972 NumberOfCodeBlocksAsserted, 66 NumberOfCheckSat, 1906 ConstructedInterpolants, 0 QuantifiedInterpolants, 7383 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 66 InterpolantComputations, 4 PerfectInterpolantSequences, 3719/5221 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((((i == 0 && i + 1 <= n) && j < k + 1) || (3 * i <= j + 1 && j < k + 1)) || (3 * i <= j + 1 && j + 1 <= 2 * n + i)) || ((2 * i <= j && j + 1 < 3 * i) && i + 1 <= n) - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: ((i == 0 && i + 1 <= n) || 3 * i <= j) || (2 * i <= j && i + 1 <= n) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((3 * i <= j + 1 && j + 1 <= 2 * n + i) || (((i == 0 && k == 0) && i + 1 <= n) && j + 1 <= 2 * n + i)) || ((2 * i <= j && j + 1 < 3 * i) && i + 1 <= n) - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.38ms. Allocated memory is still 96.5MB. Free memory was 73.8MB in the beginning and 73.7MB in the end (delta: 41.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.77ms. Allocated memory is still 96.5MB. Free memory was 57.5MB in the beginning and 70.9MB in the end (delta: -13.4MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.04ms. Allocated memory is still 96.5MB. Free memory was 70.9MB in the beginning and 69.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.10ms. Allocated memory is still 96.5MB. Free memory was 69.4MB in the beginning and 68.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 277.08ms. Allocated memory is still 96.5MB. Free memory was 68.3MB in the beginning and 57.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 110117.30ms. Allocated memory was 96.5MB in the beginning and 994.1MB in the end (delta: 897.6MB). Free memory was 57.8MB in the beginning and 536.3MB in the end (delta: -478.5MB). Peak memory consumption was 420.9MB. Max. memory is 16.1GB. * Witness Printer took 54.70ms. Allocated memory is still 994.1MB. Free memory was 536.3MB in the beginning and 534.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-21 06:03:28,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6978978-d2f3-4f96-a214-de5e2941de7e/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE