./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c307de-1db3-4dbc-99be-0ce9d3887e11/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c307de-1db3-4dbc-99be-0ce9d3887e11/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c307de-1db3-4dbc-99be-0ce9d3887e11/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c307de-1db3-4dbc-99be-0ce9d3887e11/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c307de-1db3-4dbc-99be-0ce9d3887e11/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c307de-1db3-4dbc-99be-0ce9d3887e11/bin/ukojak-Rh5K9KB4LI --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 ad8e21886f5f45a7c58400298498a881b4f628bf6fff913be81ab14cf250dd19 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:08:01,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:08:01,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:08:01,996 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:08:01,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:08:01,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:08:02,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:08:02,003 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:08:02,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:08:02,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:08:02,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:08:02,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:08:02,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:08:02,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:08:02,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:08:02,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:08:02,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:08:02,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:08:02,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:08:02,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:08:02,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:08:02,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:08:02,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:08:02,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:08:02,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:08:02,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:08:02,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:08:02,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:08:02,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:08:02,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:08:02,039 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:08:02,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:08:02,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:08:02,043 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:08:02,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:08:02,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:08:02,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:08:02,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:08:02,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:08:02,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:08:02,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:08:02,051 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c307de-1db3-4dbc-99be-0ce9d3887e11/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:08:02,073 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:08:02,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:08:02,075 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:08:02,075 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:08:02,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:08:02,076 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:08:02,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:08:02,077 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:08:02,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:08:02,078 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:08:02,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:08:02,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:08:02,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:08:02,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:08:02,079 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:08:02,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:08:02,080 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:08:02,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:08:02,080 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:08:02,081 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:08:02,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:08:02,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:08:02,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:08:02,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:08:02,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:08:02,083 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:08:02,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:08:02,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:08:02,083 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_f2c307de-1db3-4dbc-99be-0ce9d3887e11/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c307de-1db3-4dbc-99be-0ce9d3887e11/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad8e21886f5f45a7c58400298498a881b4f628bf6fff913be81ab14cf250dd19 [2021-10-29 03:08:02,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:08:02,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:08:02,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:08:02,378 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:08:02,380 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:08:02,383 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c307de-1db3-4dbc-99be-0ce9d3887e11/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/loop-invgen/apache-get-tag.i [2021-10-29 03:08:02,479 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c307de-1db3-4dbc-99be-0ce9d3887e11/bin/ukojak-Rh5K9KB4LI/data/e71d5f9e3/f055e3fce9584fd98a93d4b5786638d1/FLAGe3a52af48 [2021-10-29 03:08:02,971 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:08:02,971 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c307de-1db3-4dbc-99be-0ce9d3887e11/sv-benchmarks/c/loop-invgen/apache-get-tag.i [2021-10-29 03:08:02,980 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c307de-1db3-4dbc-99be-0ce9d3887e11/bin/ukojak-Rh5K9KB4LI/data/e71d5f9e3/f055e3fce9584fd98a93d4b5786638d1/FLAGe3a52af48 [2021-10-29 03:08:03,349 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c307de-1db3-4dbc-99be-0ce9d3887e11/bin/ukojak-Rh5K9KB4LI/data/e71d5f9e3/f055e3fce9584fd98a93d4b5786638d1 [2021-10-29 03:08:03,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:08:03,356 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:08:03,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:08:03,359 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:08:03,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:08:03,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:08:03" (1/1) ... [2021-10-29 03:08:03,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@277e5917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:03, skipping insertion in model container [2021-10-29 03:08:03,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:08:03" (1/1) ... [2021-10-29 03:08:03,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:08:03,405 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:08:03,599 WARN L228 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_f2c307de-1db3-4dbc-99be-0ce9d3887e11/sv-benchmarks/c/loop-invgen/apache-get-tag.i[893,906] [2021-10-29 03:08:03,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:08:03,642 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:08:03,655 WARN L228 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_f2c307de-1db3-4dbc-99be-0ce9d3887e11/sv-benchmarks/c/loop-invgen/apache-get-tag.i[893,906] [2021-10-29 03:08:03,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:08:03,676 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:08:03,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:03 WrapperNode [2021-10-29 03:08:03,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:08:03,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:08:03,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:08:03,678 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:08:03,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:03" (1/1) ... [2021-10-29 03:08:03,693 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:03" (1/1) ... [2021-10-29 03:08:03,713 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:08:03,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:08:03,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:08:03,714 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:08:03,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:03" (1/1) ... [2021-10-29 03:08:03,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:03" (1/1) ... [2021-10-29 03:08:03,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:03" (1/1) ... [2021-10-29 03:08:03,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:03" (1/1) ... [2021-10-29 03:08:03,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:03" (1/1) ... [2021-10-29 03:08:03,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:03" (1/1) ... [2021-10-29 03:08:03,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:03" (1/1) ... [2021-10-29 03:08:03,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:08:03,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:08:03,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:08:03,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:08:03,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:03" (1/1) ... [2021-10-29 03:08:03,747 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:08:03,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c307de-1db3-4dbc-99be-0ce9d3887e11/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:08:03,771 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c307de-1db3-4dbc-99be-0ce9d3887e11/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:08:03,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c307de-1db3-4dbc-99be-0ce9d3887e11/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:08:03,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:08:03,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:08:03,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:08:03,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:08:03,822 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 03:08:03,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 03:08:04,107 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:08:04,107 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-29 03:08:04,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:08:04 BoogieIcfgContainer [2021-10-29 03:08:04,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:08:04,111 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:08:04,111 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:08:04,122 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:08:04,122 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:08:04" (1/1) ... [2021-10-29 03:08:04,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:08:04,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:04,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2021-10-29 03:08:04,171 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2021-10-29 03:08:04,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:08:04,173 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:04,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:04,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:04,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:08:04,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:04,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2021-10-29 03:08:04,322 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2021-10-29 03:08:04,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 03:08:04,323 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:04,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:04,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:04,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:08:04,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:04,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 44 states and 83 transitions. [2021-10-29 03:08:04,566 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 83 transitions. [2021-10-29 03:08:04,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:08:04,570 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:04,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:04,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:08:04,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:04,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 46 states and 85 transitions. [2021-10-29 03:08:04,647 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2021-10-29 03:08:04,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:08:04,648 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:04,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:04,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:04,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:08:04,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:04,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 85 transitions. [2021-10-29 03:08:04,721 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 85 transitions. [2021-10-29 03:08:04,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:08:04,723 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:04,723 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:04,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:04,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:08:05,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:05,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 87 transitions. [2021-10-29 03:08:05,159 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2021-10-29 03:08:05,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:08:05,160 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:05,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:05,231 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:08:05,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:05,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 54 states and 97 transitions. [2021-10-29 03:08:05,406 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 97 transitions. [2021-10-29 03:08:05,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:08:05,407 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:05,409 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:05,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:08:05,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:05,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 56 states and 101 transitions. [2021-10-29 03:08:05,529 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 101 transitions. [2021-10-29 03:08:05,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:08:05,532 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:05,532 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:05,589 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:08:05,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:05,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 100 transitions. [2021-10-29 03:08:05,604 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 100 transitions. [2021-10-29 03:08:05,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:08:05,608 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:05,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:05,704 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:08:05,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:05,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 109 transitions. [2021-10-29 03:08:05,777 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 109 transitions. [2021-10-29 03:08:05,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:08:05,778 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:05,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:05,836 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:08:05,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:05,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 61 states and 112 transitions. [2021-10-29 03:08:05,869 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 112 transitions. [2021-10-29 03:08:05,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:08:05,872 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:05,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:05,934 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:08:05,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:05,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 64 states and 120 transitions. [2021-10-29 03:08:05,950 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 120 transitions. [2021-10-29 03:08:05,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:08:05,951 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:05,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:05,984 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:08:05,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:05,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 65 states and 122 transitions. [2021-10-29 03:08:05,997 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 122 transitions. [2021-10-29 03:08:05,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:08:05,998 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:05,999 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:06,029 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:08:06,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:06,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 66 states and 123 transitions. [2021-10-29 03:08:06,040 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 123 transitions. [2021-10-29 03:08:06,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:08:06,041 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:06,041 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:06,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:06,079 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:08:06,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:06,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 67 states and 125 transitions. [2021-10-29 03:08:06,105 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 125 transitions. [2021-10-29 03:08:06,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:08:06,106 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:06,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:06,146 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 03:08:06,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:06,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 68 states and 126 transitions. [2021-10-29 03:08:06,212 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 126 transitions. [2021-10-29 03:08:06,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:08:06,217 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:06,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:06,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:06,433 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 03:08:06,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:06,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 72 states and 133 transitions. [2021-10-29 03:08:06,850 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 133 transitions. [2021-10-29 03:08:06,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:08:06,851 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:06,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:06,938 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 03:08:07,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:07,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 76 states and 139 transitions. [2021-10-29 03:08:07,082 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 139 transitions. [2021-10-29 03:08:07,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 03:08:07,083 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:07,084 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:07,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:07,172 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 03:08:07,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:07,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 83 states and 155 transitions. [2021-10-29 03:08:07,342 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 155 transitions. [2021-10-29 03:08:07,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 03:08:07,343 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:07,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:07,432 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 03:08:07,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:07,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 85 states and 160 transitions. [2021-10-29 03:08:07,472 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 160 transitions. [2021-10-29 03:08:07,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 03:08:07,473 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:07,473 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:07,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:07,560 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 03:08:07,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:07,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 86 states and 161 transitions. [2021-10-29 03:08:07,592 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 161 transitions. [2021-10-29 03:08:07,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 03:08:07,595 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:07,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:07,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:07,695 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 03:08:07,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:07,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 88 states and 166 transitions. [2021-10-29 03:08:07,728 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 166 transitions. [2021-10-29 03:08:07,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 03:08:07,729 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:07,729 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:07,791 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 03:08:07,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:07,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 91 states and 171 transitions. [2021-10-29 03:08:07,839 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 171 transitions. [2021-10-29 03:08:07,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 03:08:07,841 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:07,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:07,885 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 03:08:08,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:08,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 94 states and 177 transitions. [2021-10-29 03:08:08,164 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 177 transitions. [2021-10-29 03:08:08,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 03:08:08,165 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:08,165 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:08,203 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-29 03:08:08,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:08,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 98 states and 184 transitions. [2021-10-29 03:08:08,376 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 184 transitions. [2021-10-29 03:08:08,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 03:08:08,379 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:08,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:08,409 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-10-29 03:08:08,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:08,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 101 states and 190 transitions. [2021-10-29 03:08:08,518 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 190 transitions. [2021-10-29 03:08:08,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 03:08:08,519 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:08,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:08,544 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-29 03:08:08,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:08,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 102 states and 192 transitions. [2021-10-29 03:08:08,577 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 192 transitions. [2021-10-29 03:08:08,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 03:08:08,579 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:08,579 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:08,636 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 03:08:08,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:08,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 103 states and 193 transitions. [2021-10-29 03:08:08,757 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 193 transitions. [2021-10-29 03:08:08,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 03:08:08,759 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:08,760 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:08,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:08,820 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 03:08:08,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:08,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 104 states and 194 transitions. [2021-10-29 03:08:08,891 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 194 transitions. [2021-10-29 03:08:08,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 03:08:08,893 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:08,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:08,922 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 03:08:08,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:08,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 106 states and 198 transitions. [2021-10-29 03:08:08,968 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 198 transitions. [2021-10-29 03:08:08,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-29 03:08:08,973 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:08,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:08,999 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-29 03:08:09,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:09,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 106 states and 197 transitions. [2021-10-29 03:08:09,021 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 197 transitions. [2021-10-29 03:08:09,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-29 03:08:09,022 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:09,022 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:09,136 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-10-29 03:08:09,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:09,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 110 states and 205 transitions. [2021-10-29 03:08:09,788 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 205 transitions. [2021-10-29 03:08:09,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-29 03:08:09,789 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:09,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:09,821 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 27 proven. 5 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-29 03:08:10,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:10,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 113 states and 209 transitions. [2021-10-29 03:08:10,032 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 209 transitions. [2021-10-29 03:08:10,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-29 03:08:10,033 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:10,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:10,064 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 29 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-29 03:08:10,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:10,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 116 states and 210 transitions. [2021-10-29 03:08:10,243 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 210 transitions. [2021-10-29 03:08:10,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-29 03:08:10,244 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:10,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:10,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:10,273 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-29 03:08:10,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:10,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 121 states and 218 transitions. [2021-10-29 03:08:10,420 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 218 transitions. [2021-10-29 03:08:10,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-29 03:08:10,420 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:10,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:10,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:10,465 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-29 03:08:10,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:10,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 123 states and 221 transitions. [2021-10-29 03:08:10,525 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 221 transitions. [2021-10-29 03:08:10,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-29 03:08:10,526 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:10,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:10,555 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-29 03:08:10,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:10,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 124 states and 222 transitions. [2021-10-29 03:08:10,591 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 222 transitions. [2021-10-29 03:08:10,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-29 03:08:10,592 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:10,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:10,632 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-29 03:08:10,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:10,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 126 states and 225 transitions. [2021-10-29 03:08:10,681 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 225 transitions. [2021-10-29 03:08:10,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-29 03:08:10,682 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:10,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:10,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:10,717 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-10-29 03:08:10,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:10,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 129 states and 231 transitions. [2021-10-29 03:08:10,754 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 231 transitions. [2021-10-29 03:08:10,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-29 03:08:10,755 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:10,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:10,801 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-10-29 03:08:10,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:10,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 127 states and 226 transitions. [2021-10-29 03:08:10,816 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 226 transitions. [2021-10-29 03:08:10,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-29 03:08:10,817 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:10,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:10,846 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-10-29 03:08:11,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:11,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 128 states and 228 transitions. [2021-10-29 03:08:11,001 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 228 transitions. [2021-10-29 03:08:11,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-29 03:08:11,002 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:11,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:11,029 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-10-29 03:08:11,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:11,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 129 states and 230 transitions. [2021-10-29 03:08:11,075 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 230 transitions. [2021-10-29 03:08:11,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-29 03:08:11,077 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:11,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:11,135 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-29 03:08:11,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:11,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 130 states and 231 transitions. [2021-10-29 03:08:11,281 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 231 transitions. [2021-10-29 03:08:11,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-29 03:08:11,282 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:11,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:11,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:11,310 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-10-29 03:08:11,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:11,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 129 states and 228 transitions. [2021-10-29 03:08:11,438 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 228 transitions. [2021-10-29 03:08:11,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-29 03:08:11,439 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:11,439 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:11,464 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-10-29 03:08:11,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:11,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 123 states and 218 transitions. [2021-10-29 03:08:11,518 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 218 transitions. [2021-10-29 03:08:11,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-29 03:08:11,519 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:11,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:11,545 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-29 03:08:11,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:11,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 124 states and 219 transitions. [2021-10-29 03:08:11,596 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 219 transitions. [2021-10-29 03:08:11,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-29 03:08:11,597 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:11,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:11,623 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-29 03:08:11,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:11,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 118 states and 210 transitions. [2021-10-29 03:08:11,763 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 210 transitions. [2021-10-29 03:08:11,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-29 03:08:11,764 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:11,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:11,791 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-29 03:08:11,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:11,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 91 states and 147 transitions. [2021-10-29 03:08:11,849 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 147 transitions. [2021-10-29 03:08:11,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-29 03:08:11,850 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:11,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:11,880 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-10-29 03:08:12,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:12,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 89 states and 144 transitions. [2021-10-29 03:08:12,059 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 144 transitions. [2021-10-29 03:08:12,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-29 03:08:12,060 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:12,061 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:12,091 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 32 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-10-29 03:08:12,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:12,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 91 states and 148 transitions. [2021-10-29 03:08:12,119 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 148 transitions. [2021-10-29 03:08:12,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-29 03:08:12,121 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:12,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:12,158 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 44 proven. 5 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-10-29 03:08:12,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:12,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 83 states and 136 transitions. [2021-10-29 03:08:12,187 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 136 transitions. [2021-10-29 03:08:12,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-29 03:08:12,188 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:12,189 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:12,224 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 30 proven. 4 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-10-29 03:08:12,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:12,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 82 states and 134 transitions. [2021-10-29 03:08:12,250 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 134 transitions. [2021-10-29 03:08:12,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-29 03:08:12,251 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:12,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:12,289 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 30 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-10-29 03:08:12,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:12,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 64 states and 108 transitions. [2021-10-29 03:08:12,305 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2021-10-29 03:08:12,305 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:08:12,305 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 53 iterations. [2021-10-29 03:08:12,317 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:08:12,576 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:08:12,580 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:08:12,581 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:08:12,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:08:12 ImpRootNode [2021-10-29 03:08:12,581 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:08:12,582 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:08:12,582 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:08:12,582 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:08:12,582 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:08:04" (3/4) ... [2021-10-29 03:08:12,585 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:08:12,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-10-29 03:08:12,601 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-10-29 03:08:12,601 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 03:08:12,601 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 03:08:12,602 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:08:12,678 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c307de-1db3-4dbc-99be-0ce9d3887e11/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:08:12,679 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:08:12,680 INFO L168 Benchmark]: Toolchain (without parser) took 9323.79 ms. Allocated memory was 90.2 MB in the beginning and 136.3 MB in the end (delta: 46.1 MB). Free memory was 55.8 MB in the beginning and 96.2 MB in the end (delta: -40.5 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:08:12,681 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 90.2 MB. Free memory was 62.2 MB in the beginning and 62.2 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:08:12,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.31 ms. Allocated memory is still 90.2 MB. Free memory was 55.5 MB in the beginning and 65.3 MB in the end (delta: -9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:08:12,682 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.75 ms. Allocated memory is still 90.2 MB. Free memory was 65.3 MB in the beginning and 63.6 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:08:12,682 INFO L168 Benchmark]: Boogie Preprocessor took 23.49 ms. Allocated memory is still 90.2 MB. Free memory was 63.6 MB in the beginning and 62.7 MB in the end (delta: 912.8 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:08:12,683 INFO L168 Benchmark]: RCFGBuilder took 372.24 ms. Allocated memory is still 90.2 MB. Free memory was 62.7 MB in the beginning and 50.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:08:12,683 INFO L168 Benchmark]: CodeCheck took 8470.12 ms. Allocated memory was 90.2 MB in the beginning and 136.3 MB in the end (delta: 46.1 MB). Free memory was 50.7 MB in the beginning and 99.3 MB in the end (delta: -48.7 MB). Peak memory consumption was 63.9 MB. Max. memory is 16.1 GB. [2021-10-29 03:08:12,684 INFO L168 Benchmark]: Witness Printer took 97.07 ms. Allocated memory is still 136.3 MB. Free memory was 99.3 MB in the beginning and 96.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:08:12,686 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 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.1s, OverallIterations: 53, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 33685504 SDtfs, 2076442816 SDslu, -965115388 SDs, 0 SdLazy, -2073744176 SolverSat, 1923170280 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22215 GetRequests, 21683 SyntacticMatches, 414 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7927 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1840 NumberOfCodeBlocks, 1840 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 1788 ConstructedInterpolants, 0 QuantifiedInterpolants, 3762 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 52 InterpolantComputations, 30 PerfectInterpolantSequences, 2128/2250 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: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 90.2 MB. Free memory was 62.2 MB in the beginning and 62.2 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 318.31 ms. Allocated memory is still 90.2 MB. Free memory was 55.5 MB in the beginning and 65.3 MB in the end (delta: -9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.75 ms. Allocated memory is still 90.2 MB. Free memory was 65.3 MB in the beginning and 63.6 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.49 ms. Allocated memory is still 90.2 MB. Free memory was 63.6 MB in the beginning and 62.7 MB in the end (delta: 912.8 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 372.24 ms. Allocated memory is still 90.2 MB. Free memory was 62.7 MB in the beginning and 50.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 8470.12 ms. Allocated memory was 90.2 MB in the beginning and 136.3 MB in the end (delta: 46.1 MB). Free memory was 50.7 MB in the beginning and 99.3 MB in the end (delta: -48.7 MB). Peak memory consumption was 63.9 MB. Max. memory is 16.1 GB. * Witness Printer took 97.07 ms. Allocated memory is still 136.3 MB. Free memory was 99.3 MB in the beginning and 96.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:08:12,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c307de-1db3-4dbc-99be-0ce9d3887e11/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...