./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/08_rand_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c7025d0-dd36-4549-aec0-074c4f8e5bb7/bin/ugemcutter-syNpU3ikLH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c7025d0-dd36-4549-aec0-074c4f8e5bb7/bin/ugemcutter-syNpU3ikLH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c7025d0-dd36-4549-aec0-074c4f8e5bb7/bin/ugemcutter-syNpU3ikLH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c7025d0-dd36-4549-aec0-074c4f8e5bb7/bin/ugemcutter-syNpU3ikLH/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-ext/08_rand_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c7025d0-dd36-4549-aec0-074c4f8e5bb7/bin/ugemcutter-syNpU3ikLH/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c7025d0-dd36-4549-aec0-074c4f8e5bb7/bin/ugemcutter-syNpU3ikLH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash adb74bb4036ab42451aee4c4c2c855416fb34747e80c1114ce822e44c6b19376 --- 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-38b53e6 [2022-11-25 18:43:13,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:43:13,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:43:13,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:43:13,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:43:13,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:43:13,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:43:13,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:43:13,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:43:13,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:43:13,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:43:13,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:43:13,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:43:13,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:43:13,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:43:13,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:43:13,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:43:13,103 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:43:13,105 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:43:13,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:43:13,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:43:13,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:43:13,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:43:13,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:43:13,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:43:13,117 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:43:13,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:43:13,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:43:13,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:43:13,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:43:13,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:43:13,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:43:13,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:43:13,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:43:13,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:43:13,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:43:13,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:43:13,135 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:43:13,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:43:13,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:43:13,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:43:13,141 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c7025d0-dd36-4549-aec0-074c4f8e5bb7/bin/ugemcutter-syNpU3ikLH/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2022-11-25 18:43:13,173 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:43:13,174 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:43:13,175 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:43:13,175 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:43:13,176 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:43:13,176 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:43:13,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:43:13,177 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:43:13,177 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:43:13,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:43:13,177 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:43:13,177 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:43:13,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:43:13,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:43:13,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:43:13,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:43:13,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:43:13,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:43:13,179 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 18:43:13,179 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:43:13,179 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:43:13,179 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:43:13,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:43:13,180 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:43:13,180 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:43:13,180 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:43:13,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:43:13,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:43:13,181 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:43:13,181 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:43:13,181 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:43:13,181 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-11-25 18:43:13,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:43:13,182 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-25 18:43:13,182 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-25 18:43:13,182 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-25 18:43:13,182 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:43:13,182 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-25 18:43:13,182 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-25 18:43:13,183 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_6c7025d0-dd36-4549-aec0-074c4f8e5bb7/bin/ugemcutter-syNpU3ikLH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c7025d0-dd36-4549-aec0-074c4f8e5bb7/bin/ugemcutter-syNpU3ikLH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adb74bb4036ab42451aee4c4c2c855416fb34747e80c1114ce822e44c6b19376 [2022-11-25 18:43:13,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:43:13,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:43:13,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:43:13,574 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:43:13,575 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:43:13,576 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c7025d0-dd36-4549-aec0-074c4f8e5bb7/bin/ugemcutter-syNpU3ikLH/../../sv-benchmarks/c/pthread-ext/08_rand_cas.i [2022-11-25 18:43:16,780 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:43:17,113 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:43:17,117 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c7025d0-dd36-4549-aec0-074c4f8e5bb7/sv-benchmarks/c/pthread-ext/08_rand_cas.i [2022-11-25 18:43:17,137 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c7025d0-dd36-4549-aec0-074c4f8e5bb7/bin/ugemcutter-syNpU3ikLH/data/f3af5a47c/eca7e9d65f124fd9a03fa51f0e94e5f7/FLAG4836c898c [2022-11-25 18:43:17,155 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c7025d0-dd36-4549-aec0-074c4f8e5bb7/bin/ugemcutter-syNpU3ikLH/data/f3af5a47c/eca7e9d65f124fd9a03fa51f0e94e5f7 [2022-11-25 18:43:17,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:43:17,162 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:43:17,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:43:17,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:43:17,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:43:17,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:43:17" (1/1) ... [2022-11-25 18:43:17,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@159e15e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:17, skipping insertion in model container [2022-11-25 18:43:17,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:43:17" (1/1) ... [2022-11-25 18:43:17,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:43:17,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:43:17,609 WARN L237 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_6c7025d0-dd36-4549-aec0-074c4f8e5bb7/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30697,30710] [2022-11-25 18:43:17,613 WARN L237 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_6c7025d0-dd36-4549-aec0-074c4f8e5bb7/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30970,30983] [2022-11-25 18:43:17,616 WARN L237 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_6c7025d0-dd36-4549-aec0-074c4f8e5bb7/sv-benchmarks/c/pthread-ext/08_rand_cas.i[31233,31246] [2022-11-25 18:43:17,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:43:17,632 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:43:17,684 WARN L237 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_6c7025d0-dd36-4549-aec0-074c4f8e5bb7/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30697,30710] [2022-11-25 18:43:17,688 WARN L237 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_6c7025d0-dd36-4549-aec0-074c4f8e5bb7/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30970,30983] [2022-11-25 18:43:17,692 WARN L237 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_6c7025d0-dd36-4549-aec0-074c4f8e5bb7/sv-benchmarks/c/pthread-ext/08_rand_cas.i[31233,31246] [2022-11-25 18:43:17,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:43:17,746 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:43:17,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:17 WrapperNode [2022-11-25 18:43:17,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:43:17,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:43:17,749 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:43:17,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:43:17,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:17" (1/1) ... [2022-11-25 18:43:17,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:17" (1/1) ... [2022-11-25 18:43:17,821 INFO L138 Inliner]: procedures = 176, calls = 34, calls flagged for inlining = 13, calls inlined = 14, statements flattened = 141 [2022-11-25 18:43:17,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:43:17,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:43:17,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:43:17,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:43:17,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:17" (1/1) ... [2022-11-25 18:43:17,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:17" (1/1) ... [2022-11-25 18:43:17,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:17" (1/1) ... [2022-11-25 18:43:17,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:17" (1/1) ... [2022-11-25 18:43:17,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:17" (1/1) ... [2022-11-25 18:43:17,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:17" (1/1) ... [2022-11-25 18:43:17,880 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:17" (1/1) ... [2022-11-25 18:43:17,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:17" (1/1) ... [2022-11-25 18:43:17,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:43:17,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:43:17,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:43:17,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:43:17,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:17" (1/1) ... [2022-11-25 18:43:17,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:43:17,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c7025d0-dd36-4549-aec0-074c4f8e5bb7/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:43:17,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c7025d0-dd36-4549-aec0-074c4f8e5bb7/bin/ugemcutter-syNpU3ikLH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:43:17,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c7025d0-dd36-4549-aec0-074c4f8e5bb7/bin/ugemcutter-syNpU3ikLH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:43:17,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 18:43:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-25 18:43:17,999 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-25 18:43:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:43:18,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:43:18,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:43:18,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:43:18,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:43:18,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:43:18,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:43:18,003 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 18:43:18,146 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:43:18,148 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:43:18,541 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:43:18,637 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:43:18,638 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-25 18:43:18,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:43:18 BoogieIcfgContainer [2022-11-25 18:43:18,641 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:43:18,644 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:43:18,644 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:43:18,648 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:43:18,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:43:17" (1/3) ... [2022-11-25 18:43:18,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eb3305d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:43:18, skipping insertion in model container [2022-11-25 18:43:18,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:17" (2/3) ... [2022-11-25 18:43:18,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eb3305d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:43:18, skipping insertion in model container [2022-11-25 18:43:18,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:43:18" (3/3) ... [2022-11-25 18:43:18,652 INFO L112 eAbstractionObserver]: Analyzing ICFG 08_rand_cas.i [2022-11-25 18:43:18,662 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 18:43:18,674 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:43:18,674 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-25 18:43:18,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eb3305d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:43:18, skipping insertion in model container [2022-11-25 18:43:18,675 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 18:43:18,676 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:43:18,677 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:43:18,677 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:43:18,677 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:43:18" (3/3) ... [2022-11-25 18:43:18,681 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 18:43:18,686 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2022-11-25 18:43:18,689 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-25 18:43:18,690 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-25 18:43:18,690 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 18:43:18,690 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 18:43:18,724 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c7025d0-dd36-4549-aec0-074c4f8e5bb7/bin/ugemcutter-syNpU3ikLH/witness.graphml [2022-11-25 18:43:18,724 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:43:18,726 INFO L158 Benchmark]: Toolchain (without parser) took 1563.43ms. Allocated memory is still 161.5MB. Free memory was 117.8MB in the beginning and 83.4MB in the end (delta: 34.4MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2022-11-25 18:43:18,727 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 111.1MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:43:18,728 INFO L158 Benchmark]: CACSL2BoogieTranslator took 580.58ms. Allocated memory is still 161.5MB. Free memory was 117.5MB in the beginning and 115.4MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 18:43:18,728 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.68ms. Allocated memory is still 161.5MB. Free memory was 115.4MB in the beginning and 112.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:43:18,729 INFO L158 Benchmark]: Boogie Preprocessor took 70.25ms. Allocated memory is still 161.5MB. Free memory was 112.7MB in the beginning and 111.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:43:18,730 INFO L158 Benchmark]: RCFGBuilder took 743.95ms. Allocated memory is still 161.5MB. Free memory was 111.2MB in the beginning and 88.7MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-25 18:43:18,730 INFO L158 Benchmark]: TraceAbstraction took 31.57ms. Allocated memory is still 161.5MB. Free memory was 88.2MB in the beginning and 85.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:43:18,731 INFO L158 Benchmark]: Witness Printer took 48.07ms. Allocated memory is still 161.5MB. Free memory was 85.8MB in the beginning and 83.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:43:18,735 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 111.1MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 580.58ms. Allocated memory is still 161.5MB. Free memory was 117.5MB in the beginning and 115.4MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.68ms. Allocated memory is still 161.5MB. Free memory was 115.4MB in the beginning and 112.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.25ms. Allocated memory is still 161.5MB. Free memory was 112.7MB in the beginning and 111.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 743.95ms. Allocated memory is still 161.5MB. Free memory was 111.2MB in the beginning and 88.7MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 31.57ms. Allocated memory is still 161.5MB. Free memory was 88.2MB in the beginning and 85.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 48.07ms. Allocated memory is still 161.5MB. Free memory was 85.8MB in the beginning and 83.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-25 18:43:18,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c7025d0-dd36-4549-aec0-074c4f8e5bb7/bin/ugemcutter-syNpU3ikLH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE