./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120f4ebe-a058-4ac0-bad6-62a230b14e99/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120f4ebe-a058-4ac0-bad6-62a230b14e99/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120f4ebe-a058-4ac0-bad6-62a230b14e99/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120f4ebe-a058-4ac0-bad6-62a230b14e99/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120f4ebe-a058-4ac0-bad6-62a230b14e99/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120f4ebe-a058-4ac0-bad6-62a230b14e99/bin/ukojak-vF6T2TMglN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 55ec916898aa0c4eb40269e81429fc0273ca07ec4caf7be0cd441cce0028ad79 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 04:40:41,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 04:40:41,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 04:40:41,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 04:40:41,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 04:40:41,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 04:40:41,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 04:40:41,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 04:40:41,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 04:40:41,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 04:40:41,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 04:40:41,951 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 04:40:41,951 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 04:40:41,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 04:40:41,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 04:40:41,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 04:40:41,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 04:40:41,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 04:40:41,961 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 04:40:41,963 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 04:40:41,965 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 04:40:41,967 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 04:40:41,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 04:40:41,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 04:40:41,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 04:40:41,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 04:40:41,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 04:40:41,976 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 04:40:41,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 04:40:41,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 04:40:41,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 04:40:41,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 04:40:41,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 04:40:41,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 04:40:41,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 04:40:41,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 04:40:41,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 04:40:41,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 04:40:41,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 04:40:41,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 04:40:41,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 04:40:41,988 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120f4ebe-a058-4ac0-bad6-62a230b14e99/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 04:40:42,014 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 04:40:42,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 04:40:42,015 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 04:40:42,015 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 04:40:42,016 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 04:40:42,016 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 04:40:42,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 04:40:42,016 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 04:40:42,017 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 04:40:42,017 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 04:40:42,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 04:40:42,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 04:40:42,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 04:40:42,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 04:40:42,018 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 04:40:42,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 04:40:42,018 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 04:40:42,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 04:40:42,019 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 04:40:42,019 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 04:40:42,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 04:40:42,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:40:42,020 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 04:40:42,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 04:40:42,020 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 04:40:42,020 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 04:40:42,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 04:40:42,021 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 04:40:42,021 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_120f4ebe-a058-4ac0-bad6-62a230b14e99/bin/ukojak-vF6T2TMglN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120f4ebe-a058-4ac0-bad6-62a230b14e99/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55ec916898aa0c4eb40269e81429fc0273ca07ec4caf7be0cd441cce0028ad79 [2021-11-21 04:40:42,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 04:40:42,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 04:40:42,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 04:40:42,350 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 04:40:42,351 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 04:40:42,353 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120f4ebe-a058-4ac0-bad6-62a230b14e99/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c [2021-11-21 04:40:42,444 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120f4ebe-a058-4ac0-bad6-62a230b14e99/bin/ukojak-vF6T2TMglN/data/77814e5b8/9cdeff4718b04b01b07193dde41a08ed/FLAG00cba1ddc [2021-11-21 04:40:43,084 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 04:40:43,087 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120f4ebe-a058-4ac0-bad6-62a230b14e99/sv-benchmarks/c/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c [2021-11-21 04:40:43,115 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120f4ebe-a058-4ac0-bad6-62a230b14e99/bin/ukojak-vF6T2TMglN/data/77814e5b8/9cdeff4718b04b01b07193dde41a08ed/FLAG00cba1ddc [2021-11-21 04:40:43,345 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120f4ebe-a058-4ac0-bad6-62a230b14e99/bin/ukojak-vF6T2TMglN/data/77814e5b8/9cdeff4718b04b01b07193dde41a08ed [2021-11-21 04:40:43,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 04:40:43,350 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 04:40:43,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 04:40:43,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 04:40:43,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 04:40:43,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:40:43" (1/1) ... [2021-11-21 04:40:43,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5108908d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:43, skipping insertion in model container [2021-11-21 04:40:43,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:40:43" (1/1) ... [2021-11-21 04:40:43,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 04:40:43,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 04:40:43,732 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_120f4ebe-a058-4ac0-bad6-62a230b14e99/sv-benchmarks/c/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c[26555,26568] [2021-11-21 04:40:43,735 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:40:43,760 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 04:40:43,852 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_120f4ebe-a058-4ac0-bad6-62a230b14e99/sv-benchmarks/c/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c[26555,26568] [2021-11-21 04:40:43,853 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:40:43,871 INFO L208 MainTranslator]: Completed translation [2021-11-21 04:40:43,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:43 WrapperNode [2021-11-21 04:40:43,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 04:40:43,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 04:40:43,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 04:40:43,873 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 04:40:43,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:43" (1/1) ... [2021-11-21 04:40:43,895 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:43" (1/1) ... [2021-11-21 04:40:43,966 INFO L137 Inliner]: procedures = 28, calls = 19, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 520 [2021-11-21 04:40:43,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 04:40:43,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 04:40:43,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 04:40:43,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 04:40:43,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:43" (1/1) ... [2021-11-21 04:40:43,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:43" (1/1) ... [2021-11-21 04:40:43,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:43" (1/1) ... [2021-11-21 04:40:43,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:43" (1/1) ... [2021-11-21 04:40:44,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:43" (1/1) ... [2021-11-21 04:40:44,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:43" (1/1) ... [2021-11-21 04:40:44,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:43" (1/1) ... [2021-11-21 04:40:44,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 04:40:44,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 04:40:44,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 04:40:44,051 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 04:40:44,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:43" (1/1) ... [2021-11-21 04:40:44,059 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:40:44,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120f4ebe-a058-4ac0-bad6-62a230b14e99/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 04:40:44,083 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120f4ebe-a058-4ac0-bad6-62a230b14e99/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 04:40:44,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120f4ebe-a058-4ac0-bad6-62a230b14e99/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 04:40:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 04:40:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 04:40:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 04:40:44,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 04:40:44,259 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 04:40:44,261 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 04:40:45,011 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 04:40:45,998 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 04:40:45,998 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 04:40:46,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:40:46 BoogieIcfgContainer [2021-11-21 04:40:46,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 04:40:46,002 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 04:40:46,003 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 04:40:46,014 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 04:40:46,015 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:40:46" (1/1) ... [2021-11-21 04:40:46,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 04:40:46,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:46,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-21 04:40:46,117 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-21 04:40:46,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 04:40:46,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:46,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:46,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:47,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:47,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-21 04:40:47,109 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-21 04:40:47,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 04:40:47,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:47,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:47,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:48,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:48,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2021-11-21 04:40:48,042 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2021-11-21 04:40:48,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 04:40:48,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:48,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:48,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:49,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:49,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2021-11-21 04:40:49,154 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2021-11-21 04:40:49,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 04:40:49,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:49,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:49,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:49,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:49,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 37 transitions. [2021-11-21 04:40:49,656 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 37 transitions. [2021-11-21 04:40:49,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 04:40:49,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:49,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:52,559 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:59,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:59,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2021-11-21 04:40:59,899 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2021-11-21 04:40:59,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 04:40:59,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:59,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:41:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:41:02,626 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:41:15,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:41:15,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2021-11-21 04:41:15,171 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2021-11-21 04:41:15,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 04:41:15,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:41:15,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:41:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:41:15,717 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:41:21,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:41:21,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 50 states and 93 transitions. [2021-11-21 04:41:21,444 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 93 transitions. [2021-11-21 04:41:21,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 04:41:21,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:41:21,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:41:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:41:23,195 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:41:23,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:41:23,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 52 states and 97 transitions. [2021-11-21 04:41:23,996 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 97 transitions. [2021-11-21 04:41:23,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 04:41:23,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:41:23,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:41:24,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:41:24,970 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:41:36,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:41:36,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 69 states and 138 transitions. [2021-11-21 04:41:36,211 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 138 transitions. [2021-11-21 04:41:36,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 04:41:36,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:41:36,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:41:36,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:41:36,843 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:41:39,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:41:39,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 75 states and 150 transitions. [2021-11-21 04:41:39,761 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 150 transitions. [2021-11-21 04:41:39,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 04:41:39,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:41:39,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:41:39,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:41:41,100 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:41:51,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:41:51,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 88 states and 179 transitions. [2021-11-21 04:41:51,248 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 179 transitions. [2021-11-21 04:41:51,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 04:41:51,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:41:51,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:41:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:41:51,564 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:41:53,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:41:53,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 90 states and 182 transitions. [2021-11-21 04:41:53,270 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 182 transitions. [2021-11-21 04:41:53,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 04:41:53,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:41:53,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:41:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:41:53,640 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:41:54,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:41:54,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 91 states and 183 transitions. [2021-11-21 04:41:54,697 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 183 transitions. [2021-11-21 04:41:54,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 04:41:54,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:41:54,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:41:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:41:55,003 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:41:55,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:41:55,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 92 states and 186 transitions. [2021-11-21 04:41:55,607 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 186 transitions. [2021-11-21 04:41:55,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 04:41:55,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:41:55,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:41:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:41:55,992 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:41:56,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:41:56,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 93 states and 189 transitions. [2021-11-21 04:41:56,705 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 189 transitions. [2021-11-21 04:41:56,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 04:41:56,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:41:56,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:41:56,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:41:56,802 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-21 04:41:57,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:41:57,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 93 states and 188 transitions. [2021-11-21 04:41:57,358 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 188 transitions. [2021-11-21 04:41:57,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 04:41:57,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:41:57,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:41:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:42:12,833 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:43:32,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:32,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 119 states and 254 transitions. [2021-11-21 04:43:32,114 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 254 transitions. [2021-11-21 04:43:32,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 04:43:32,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:32,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:41,013 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:43:53,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:53,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 123 states and 265 transitions. [2021-11-21 04:43:53,591 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 265 transitions. [2021-11-21 04:43:53,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 04:43:53,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:53,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:02,286 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:44:04,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:04,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 124 states and 265 transitions. [2021-11-21 04:44:04,466 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 265 transitions. [2021-11-21 04:44:04,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 04:44:04,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:04,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:05,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat