./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_14-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cce39c7-e5c2-4ae3-9504-c69a9e7a0893/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cce39c7-e5c2-4ae3-9504-c69a9e7a0893/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cce39c7-e5c2-4ae3-9504-c69a9e7a0893/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cce39c7-e5c2-4ae3-9504-c69a9e7a0893/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_14-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cce39c7-e5c2-4ae3-9504-c69a9e7a0893/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cce39c7-e5c2-4ae3-9504-c69a9e7a0893/bin/ukojak-92XMlrwhuB --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 75f53c568c86c59ddc62d2fd150ff0a5ed9b51ea17cada3ff1a95dec57d9167c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:38:04,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:38:04,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:38:04,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:38:04,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:38:04,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:38:04,304 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:38:04,306 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:38:04,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:38:04,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:38:04,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:38:04,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:38:04,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:38:04,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:38:04,317 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:38:04,318 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:38:04,320 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:38:04,321 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:38:04,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:38:04,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:38:04,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:38:04,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:38:04,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:38:04,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:38:04,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:38:04,341 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:38:04,342 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:38:04,343 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:38:04,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:38:04,345 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:38:04,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:38:04,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:38:04,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:38:04,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:38:04,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:38:04,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:38:04,352 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:38:04,353 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:38:04,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:38:04,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:38:04,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:38:04,357 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cce39c7-e5c2-4ae3-9504-c69a9e7a0893/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:38:04,388 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:38:04,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:38:04,390 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:38:04,391 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:38:04,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:38:04,392 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:38:04,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:38:04,393 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:38:04,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:38:04,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:38:04,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:38:04,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:38:04,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:38:04,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:38:04,395 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:38:04,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:38:04,395 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:38:04,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:38:04,396 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:38:04,396 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:38:04,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:38:04,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:38:04,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:38:04,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:38:04,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:38:04,398 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:38:04,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:38:04,399 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:38:04,399 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_4cce39c7-e5c2-4ae3-9504-c69a9e7a0893/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cce39c7-e5c2-4ae3-9504-c69a9e7a0893/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75f53c568c86c59ddc62d2fd150ff0a5ed9b51ea17cada3ff1a95dec57d9167c [2022-10-17 16:38:04,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:38:04,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:38:04,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:38:04,677 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:38:04,679 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:38:04,680 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cce39c7-e5c2-4ae3-9504-c69a9e7a0893/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/locks/test_locks_14-2.c [2022-10-17 16:38:04,747 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cce39c7-e5c2-4ae3-9504-c69a9e7a0893/bin/ukojak-92XMlrwhuB/data/7d6a9a1b1/caf71e5218744b558c1f237f901a7395/FLAGfb8b149f0 [2022-10-17 16:38:05,246 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:38:05,253 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cce39c7-e5c2-4ae3-9504-c69a9e7a0893/sv-benchmarks/c/locks/test_locks_14-2.c [2022-10-17 16:38:05,264 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cce39c7-e5c2-4ae3-9504-c69a9e7a0893/bin/ukojak-92XMlrwhuB/data/7d6a9a1b1/caf71e5218744b558c1f237f901a7395/FLAGfb8b149f0 [2022-10-17 16:38:05,594 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cce39c7-e5c2-4ae3-9504-c69a9e7a0893/bin/ukojak-92XMlrwhuB/data/7d6a9a1b1/caf71e5218744b558c1f237f901a7395 [2022-10-17 16:38:05,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:38:05,601 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:38:05,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:38:05,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:38:05,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:38:05,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:38:05" (1/1) ... [2022-10-17 16:38:05,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59ca992b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:05, skipping insertion in model container [2022-10-17 16:38:05,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:38:05" (1/1) ... [2022-10-17 16:38:05,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:38:05,648 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:38:05,901 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_4cce39c7-e5c2-4ae3-9504-c69a9e7a0893/sv-benchmarks/c/locks/test_locks_14-2.c[5305,5318] [2022-10-17 16:38:05,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:38:05,918 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:38:05,992 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_4cce39c7-e5c2-4ae3-9504-c69a9e7a0893/sv-benchmarks/c/locks/test_locks_14-2.c[5305,5318] [2022-10-17 16:38:05,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:38:06,015 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:38:06,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:06 WrapperNode [2022-10-17 16:38:06,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:38:06,020 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:38:06,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:38:06,023 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:38:06,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:06" (1/1) ... [2022-10-17 16:38:06,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:06" (1/1) ... [2022-10-17 16:38:06,084 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 184 [2022-10-17 16:38:06,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:38:06,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:38:06,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:38:06,085 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:38:06,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:06" (1/1) ... [2022-10-17 16:38:06,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:06" (1/1) ... [2022-10-17 16:38:06,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:06" (1/1) ... [2022-10-17 16:38:06,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:06" (1/1) ... [2022-10-17 16:38:06,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:06" (1/1) ... [2022-10-17 16:38:06,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:06" (1/1) ... [2022-10-17 16:38:06,125 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:06" (1/1) ... [2022-10-17 16:38:06,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:06" (1/1) ... [2022-10-17 16:38:06,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:38:06,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:38:06,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:38:06,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:38:06,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:06" (1/1) ... [2022-10-17 16:38:06,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:38:06,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cce39c7-e5c2-4ae3-9504-c69a9e7a0893/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:38:06,176 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cce39c7-e5c2-4ae3-9504-c69a9e7a0893/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:38:06,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cce39c7-e5c2-4ae3-9504-c69a9e7a0893/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:38:06,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:38:06,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:38:06,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:38:06,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:38:06,299 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:38:06,302 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:38:06,577 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:38:06,824 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:38:06,824 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:38:06,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:38:06 BoogieIcfgContainer [2022-10-17 16:38:06,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:38:06,828 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:38:06,829 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:38:06,888 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:38:06,889 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:38:06" (1/1) ... [2022-10-17 16:38:06,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:38:06,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:06,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 65 transitions. [2022-10-17 16:38:06,987 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 65 transitions. [2022-10-17 16:38:06,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:38:06,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:06,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:07,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:07,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:07,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 36 states and 62 transitions. [2022-10-17 16:38:07,449 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 62 transitions. [2022-10-17 16:38:07,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:38:07,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:07,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:38:07,524 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:38:07,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:38:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:38:07,628 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:38:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:38:07,672 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-10-17 16:38:07,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:38:07 ImpRootNode [2022-10-17 16:38:07,717 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:38:07,718 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:38:07,718 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:38:07,718 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:38:07,719 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:38:06" (3/4) ... [2022-10-17 16:38:07,721 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:38:07,788 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cce39c7-e5c2-4ae3-9504-c69a9e7a0893/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:38:07,788 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:38:07,789 INFO L158 Benchmark]: Toolchain (without parser) took 2187.94ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 67.0MB in the beginning and 65.1MB in the end (delta: 1.9MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2022-10-17 16:38:07,789 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 100.7MB. Free memory is still 56.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:38:07,790 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.42ms. Allocated memory is still 100.7MB. Free memory was 66.8MB in the beginning and 71.7MB in the end (delta: -4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:38:07,790 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.96ms. Allocated memory is still 100.7MB. Free memory was 71.7MB in the beginning and 70.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:38:07,791 INFO L158 Benchmark]: Boogie Preprocessor took 53.84ms. Allocated memory is still 100.7MB. Free memory was 70.0MB in the beginning and 68.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:38:07,792 INFO L158 Benchmark]: RCFGBuilder took 687.91ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 68.2MB in the beginning and 93.9MB in the end (delta: -25.6MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2022-10-17 16:38:07,792 INFO L158 Benchmark]: CodeCheck took 888.62ms. Allocated memory is still 121.6MB. Free memory was 93.8MB in the beginning and 68.0MB in the end (delta: 25.8MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2022-10-17 16:38:07,793 INFO L158 Benchmark]: Witness Printer took 70.62ms. Allocated memory is still 121.6MB. Free memory was 68.0MB in the beginning and 65.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:38:07,795 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 19 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 - CounterExampleResult [Line: 219]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L8] int p1 = __VERIFIER_nondet_int(); [L9] int lk1; [L11] int p2 = __VERIFIER_nondet_int(); [L12] int lk2; [L14] int p3 = __VERIFIER_nondet_int(); [L15] int lk3; [L17] int p4 = __VERIFIER_nondet_int(); [L18] int lk4; [L20] int p5 = __VERIFIER_nondet_int(); [L21] int lk5; [L23] int p6 = __VERIFIER_nondet_int(); [L24] int lk6; [L26] int p7 = __VERIFIER_nondet_int(); [L27] int lk7; [L29] int p8 = __VERIFIER_nondet_int(); [L30] int lk8; [L32] int p9 = __VERIFIER_nondet_int(); [L33] int lk9; [L35] int p10 = __VERIFIER_nondet_int(); [L36] int lk10; [L38] int p11 = __VERIFIER_nondet_int(); [L39] int lk11; [L41] int p12 = __VERIFIER_nondet_int(); [L42] int lk12; [L44] int p13 = __VERIFIER_nondet_int(); [L45] int lk13; [L47] int p14 = __VERIFIER_nondet_int(); [L48] int lk14; [L51] int cond; VAL [p1=0, p10=-1, p11=-1, p12=-1, p13=-1, p14=0, p2=0, p3=-1, p4=-1, p5=0, p6=0, p7=-1, p8=0, p9=-1] [L53] COND TRUE 1 [L54] cond = __VERIFIER_nondet_int() [L55] COND FALSE !(cond == 0) [L58] lk1 = 0 [L60] lk2 = 0 [L62] lk3 = 0 [L64] lk4 = 0 [L66] lk5 = 0 [L68] lk6 = 0 [L70] lk7 = 0 [L72] lk8 = 0 [L74] lk9 = 0 [L76] lk10 = 0 [L78] lk11 = 0 [L80] lk12 = 0 [L82] lk13 = 0 [L84] lk14 = 0 [L88] COND FALSE !(p1 != 0) [L92] COND FALSE !(p2 != 0) [L96] COND TRUE p3 != 0 [L97] lk3 = 1 [L100] COND TRUE p4 != 0 [L101] lk4 = 1 [L104] COND FALSE !(p5 != 0) [L108] COND FALSE !(p6 != 0) [L112] COND TRUE p7 != 0 [L113] lk7 = 1 [L116] COND FALSE !(p8 != 0) [L120] COND TRUE p9 != 0 [L121] lk9 = 1 [L124] COND TRUE p10 != 0 [L125] lk10 = 1 [L128] COND TRUE p11 != 0 [L129] lk11 = 1 [L132] COND TRUE p12 != 0 [L133] lk12 = 1 [L136] COND TRUE p13 != 0 [L137] lk13 = 1 [L140] COND FALSE !(p14 != 0) VAL [cond=-1, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=0, lk2=0, lk3=1, lk4=1, lk5=0, lk6=0, lk7=1, lk8=0, lk9=1, p1=0, p10=-1, p11=-1, p12=-1, p13=-1, p14=0, p2=0, p3=-1, p4=-1, p5=0, p6=0, p7=-1, p8=0, p9=-1] [L146] COND FALSE !(p1 != 0) VAL [cond=-1, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=0, lk2=0, lk3=1, lk4=1, lk5=0, lk6=0, lk7=1, lk8=0, lk9=1, p1=0, p10=-1, p11=-1, p12=-1, p13=-1, p14=0, p2=0, p3=-1, p4=-1, p5=0, p6=0, p7=-1, p8=0, p9=-1] [L151] COND FALSE !(p2 != 0) VAL [cond=-1, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=0, lk2=0, lk3=1, lk4=1, lk5=0, lk6=0, lk7=1, lk8=0, lk9=1, p1=0, p10=-1, p11=-1, p12=-1, p13=-1, p14=0, p2=0, p3=-1, p4=-1, p5=0, p6=0, p7=-1, p8=0, p9=-1] [L219] reach_error() VAL [cond=-1, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=0, lk2=0, lk3=1, lk4=1, lk5=0, lk6=0, lk7=1, lk8=0, lk9=1, p1=0, p10=-1, p11=-1, p12=-1, p13=-1, p14=0, p2=0, p3=-1, p4=-1, p5=0, p6=0, p7=-1, p8=0, p9=-1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 100.7MB. Free memory is still 56.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.42ms. Allocated memory is still 100.7MB. Free memory was 66.8MB in the beginning and 71.7MB in the end (delta: -4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.96ms. Allocated memory is still 100.7MB. Free memory was 71.7MB in the beginning and 70.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.84ms. Allocated memory is still 100.7MB. Free memory was 70.0MB in the beginning and 68.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 687.91ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 68.2MB in the beginning and 93.9MB in the end (delta: -25.6MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. * CodeCheck took 888.62ms. Allocated memory is still 121.6MB. Free memory was 93.8MB in the beginning and 68.0MB in the end (delta: 25.8MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. * Witness Printer took 70.62ms. Allocated memory is still 121.6MB. Free memory was 68.0MB in the beginning and 65.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:38:07,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cce39c7-e5c2-4ae3-9504-c69a9e7a0893/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE