./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_750f1f06-3993-487c-92e9-d1a69faecfbe/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_750f1f06-3993-487c-92e9-d1a69faecfbe/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_750f1f06-3993-487c-92e9-d1a69faecfbe/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_750f1f06-3993-487c-92e9-d1a69faecfbe/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_750f1f06-3993-487c-92e9-d1a69faecfbe/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_750f1f06-3993-487c-92e9-d1a69faecfbe/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 76982ccfa15d5420010caf48ff31900a394710bc42d46403e291e5b0b2cbfb5b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:15:03,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:15:03,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:15:04,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:15:04,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:15:04,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:15:04,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:15:04,016 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:15:04,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:15:04,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:15:04,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:15:04,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:15:04,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:15:04,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:15:04,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:15:04,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:15:04,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:15:04,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:15:04,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:15:04,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:15:04,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:15:04,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:15:04,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:15:04,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:15:04,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:15:04,071 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:15:04,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:15:04,074 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:15:04,074 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:15:04,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:15:04,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:15:04,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:15:04,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:15:04,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:15:04,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:15:04,084 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:15:04,085 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:15:04,085 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:15:04,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:15:04,086 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:15:04,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:15:04,088 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_750f1f06-3993-487c-92e9-d1a69faecfbe/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:15:04,136 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:15:04,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:15:04,137 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:15:04,138 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:15:04,138 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:15:04,139 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:15:04,139 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:15:04,139 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:15:04,140 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:15:04,140 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:15:04,140 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:15:04,140 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:15:04,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:15:04,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:15:04,147 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:15:04,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:15:04,147 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:15:04,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:15:04,148 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:15:04,148 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:15:04,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:15:04,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:15:04,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:15:04,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:15:04,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:15:04,150 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:15:04,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:15:04,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:15:04,152 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_750f1f06-3993-487c-92e9-d1a69faecfbe/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_750f1f06-3993-487c-92e9-d1a69faecfbe/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76982ccfa15d5420010caf48ff31900a394710bc42d46403e291e5b0b2cbfb5b [2021-11-22 23:15:04,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:15:04,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:15:04,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:15:04,508 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:15:04,509 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:15:04,511 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_750f1f06-3993-487c-92e9-d1a69faecfbe/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c [2021-11-22 23:15:04,585 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_750f1f06-3993-487c-92e9-d1a69faecfbe/bin/ukojak-LBtLqBUTdQ/data/010f79aa5/a9aa2c60500842b781a384078d5ff722/FLAG53f221fb8 [2021-11-22 23:15:05,216 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:15:05,228 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_750f1f06-3993-487c-92e9-d1a69faecfbe/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c [2021-11-22 23:15:05,249 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_750f1f06-3993-487c-92e9-d1a69faecfbe/bin/ukojak-LBtLqBUTdQ/data/010f79aa5/a9aa2c60500842b781a384078d5ff722/FLAG53f221fb8 [2021-11-22 23:15:05,537 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_750f1f06-3993-487c-92e9-d1a69faecfbe/bin/ukojak-LBtLqBUTdQ/data/010f79aa5/a9aa2c60500842b781a384078d5ff722 [2021-11-22 23:15:05,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:15:05,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:15:05,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:15:05,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:15:05,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:15:05,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:15:05" (1/1) ... [2021-11-22 23:15:05,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75de92e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:05, skipping insertion in model container [2021-11-22 23:15:05,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:15:05" (1/1) ... [2021-11-22 23:15:05,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:15:05,614 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:15:05,923 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_750f1f06-3993-487c-92e9-d1a69faecfbe/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c[6803,6816] [2021-11-22 23:15:05,927 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:15:05,939 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:15:05,987 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_750f1f06-3993-487c-92e9-d1a69faecfbe/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c[6803,6816] [2021-11-22 23:15:05,987 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:15:06,004 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:15:06,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:06 WrapperNode [2021-11-22 23:15:06,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:15:06,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:15:06,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:15:06,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:15:06,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:06" (1/1) ... [2021-11-22 23:15:06,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:06" (1/1) ... [2021-11-22 23:15:06,060 INFO L137 Inliner]: procedures = 21, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 252 [2021-11-22 23:15:06,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:15:06,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:15:06,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:15:06,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:15:06,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:06" (1/1) ... [2021-11-22 23:15:06,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:06" (1/1) ... [2021-11-22 23:15:06,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:06" (1/1) ... [2021-11-22 23:15:06,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:06" (1/1) ... [2021-11-22 23:15:06,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:06" (1/1) ... [2021-11-22 23:15:06,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:06" (1/1) ... [2021-11-22 23:15:06,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:06" (1/1) ... [2021-11-22 23:15:06,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:15:06,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:15:06,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:15:06,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:15:06,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:06" (1/1) ... [2021-11-22 23:15:06,108 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:15:06,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_750f1f06-3993-487c-92e9-d1a69faecfbe/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:15:06,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_750f1f06-3993-487c-92e9-d1a69faecfbe/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:15:06,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_750f1f06-3993-487c-92e9-d1a69faecfbe/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:15:06,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:15:06,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:15:06,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:15:06,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:15:06,283 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:15:06,285 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:15:06,734 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:15:07,259 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:15:07,260 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 23:15:07,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:15:07 BoogieIcfgContainer [2021-11-22 23:15:07,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:15:07,265 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:15:07,265 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:15:07,278 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:15:07,278 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:15:07" (1/1) ... [2021-11-22 23:15:07,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:15:07,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:07,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2021-11-22 23:15:07,370 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2021-11-22 23:15:07,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 23:15:07,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:07,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:07,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:08,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:08,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2021-11-22 23:15:08,093 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2021-11-22 23:15:08,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:15:08,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:08,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:09,326 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:10,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:10,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 13 states and 22 transitions. [2021-11-22 23:15:10,515 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 22 transitions. [2021-11-22 23:15:10,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:15:10,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:10,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:10,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:11,128 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:13,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:13,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 19 states and 39 transitions. [2021-11-22 23:15:13,364 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 39 transitions. [2021-11-22 23:15:13,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:15:13,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:13,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:13,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:27,675 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:43,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:43,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 28 states and 65 transitions. [2021-11-22 23:15:43,753 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 65 transitions. [2021-11-22 23:15:43,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:15:43,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:43,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:52,583 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:54,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:54,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 29 states and 67 transitions. [2021-11-22 23:15:54,233 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 67 transitions. [2021-11-22 23:15:54,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:15:54,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:54,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:55,159 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:03,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:03,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 34 states and 83 transitions. [2021-11-22 23:16:03,305 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 83 transitions. [2021-11-22 23:16:03,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:16:03,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:03,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:08,573 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:34,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 23:20:44,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:44,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 50 states and 145 transitions. [2021-11-22 23:20:44,257 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 145 transitions. [2021-11-22 23:20:44,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:20:44,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:44,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:37,350 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:43,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:43,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 51 states and 149 transitions. [2021-11-22 23:23:43,664 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 149 transitions. [2021-11-22 23:23:43,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:23:43,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:43,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:44,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:27,788 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:57,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:57,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 54 states and 161 transitions. [2021-11-22 23:26:57,321 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 161 transitions. [2021-11-22 23:26:57,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:26:57,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:57,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:59,935 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 41 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.