./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-atomic/peterson.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 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_b6f18574-d4d1-4fdc-8086-fa1aafae2905/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f18574-d4d1-4fdc-8086-fa1aafae2905/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f18574-d4d1-4fdc-8086-fa1aafae2905/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f18574-d4d1-4fdc-8086-fa1aafae2905/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-atomic/peterson.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f18574-d4d1-4fdc-8086-fa1aafae2905/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f18574-d4d1-4fdc-8086-fa1aafae2905/bin/utaipan-Q6hlc19bkW --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ee3d1a41e169e13d6fb9bc974b1d8f7c8de5421cb2dfbc7e3d9a400662188398 --- 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-4e7fbc6 [2022-11-23 14:30:34,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:30:34,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:30:34,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:30:34,050 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:30:34,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:30:34,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:30:34,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:30:34,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:30:34,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:30:34,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:30:34,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:30:34,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:30:34,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:30:34,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:30:34,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:30:34,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:30:34,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:30:34,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:30:34,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:30:34,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:30:34,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:30:34,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:30:34,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:30:34,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:30:34,107 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:30:34,107 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:30:34,109 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:30:34,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:30:34,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:30:34,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:30:34,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:30:34,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:30:34,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:30:34,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:30:34,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:30:34,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:30:34,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:30:34,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:30:34,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:30:34,122 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:30:34,122 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f18574-d4d1-4fdc-8086-fa1aafae2905/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-23 14:30:34,151 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:30:34,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:30:34,152 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:30:34,152 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:30:34,153 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:30:34,153 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:30:34,153 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:30:34,153 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:30:34,154 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:30:34,154 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:30:34,155 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:30:34,155 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:30:34,156 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:30:34,156 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:30:34,156 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:30:34,156 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:30:34,157 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:30:34,157 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:30:34,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:30:34,158 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:30:34,158 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 14:30:34,158 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:30:34,159 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:30:34,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:30:34,159 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:30:34,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:30:34,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:30:34,160 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 14:30:34,160 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:30:34,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:30:34,161 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:30:34,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:30:34,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:30:34,162 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:30:34,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:30:34,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:30:34,162 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:30:34,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:30:34,163 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:30:34,163 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:30:34,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:30:34,163 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:30:34,164 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:30:34,164 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_b6f18574-d4d1-4fdc-8086-fa1aafae2905/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f18574-d4d1-4fdc-8086-fa1aafae2905/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee3d1a41e169e13d6fb9bc974b1d8f7c8de5421cb2dfbc7e3d9a400662188398 [2022-11-23 14:30:34,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:30:34,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:30:34,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:30:34,486 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:30:34,486 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:30:34,487 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f18574-d4d1-4fdc-8086-fa1aafae2905/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/pthread-atomic/peterson.i [2022-11-23 14:30:37,565 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:30:37,895 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:30:37,895 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f18574-d4d1-4fdc-8086-fa1aafae2905/sv-benchmarks/c/pthread-atomic/peterson.i [2022-11-23 14:30:37,915 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f18574-d4d1-4fdc-8086-fa1aafae2905/bin/utaipan-Q6hlc19bkW/data/aa17a0962/0e15919a02244c6689da2f3545bca22c/FLAG0f93ca642 [2022-11-23 14:30:37,933 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f18574-d4d1-4fdc-8086-fa1aafae2905/bin/utaipan-Q6hlc19bkW/data/aa17a0962/0e15919a02244c6689da2f3545bca22c [2022-11-23 14:30:37,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:30:37,938 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:30:37,943 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:30:37,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:30:37,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:30:37,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:30:37" (1/1) ... [2022-11-23 14:30:37,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b8c8b11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:37, skipping insertion in model container [2022-11-23 14:30:37,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:30:37" (1/1) ... [2022-11-23 14:30:37,959 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:30:38,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:30:38,251 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 14:30:38,467 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_b6f18574-d4d1-4fdc-8086-fa1aafae2905/sv-benchmarks/c/pthread-atomic/peterson.i[30997,31010] [2022-11-23 14:30:38,474 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_b6f18574-d4d1-4fdc-8086-fa1aafae2905/sv-benchmarks/c/pthread-atomic/peterson.i[31682,31695] [2022-11-23 14:30:38,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:30:38,493 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:30:38,519 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 14:30:38,550 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_b6f18574-d4d1-4fdc-8086-fa1aafae2905/sv-benchmarks/c/pthread-atomic/peterson.i[30997,31010] [2022-11-23 14:30:38,559 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_b6f18574-d4d1-4fdc-8086-fa1aafae2905/sv-benchmarks/c/pthread-atomic/peterson.i[31682,31695] [2022-11-23 14:30:38,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:30:38,607 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:30:38,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:38 WrapperNode [2022-11-23 14:30:38,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:30:38,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:30:38,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:30:38,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:30:38,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:38" (1/1) ... [2022-11-23 14:30:38,649 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:38" (1/1) ... [2022-11-23 14:30:38,672 INFO L138 Inliner]: procedures = 171, calls = 47, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2022-11-23 14:30:38,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:30:38,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:30:38,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:30:38,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:30:38,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:38" (1/1) ... [2022-11-23 14:30:38,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:38" (1/1) ... [2022-11-23 14:30:38,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:38" (1/1) ... [2022-11-23 14:30:38,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:38" (1/1) ... [2022-11-23 14:30:38,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:38" (1/1) ... [2022-11-23 14:30:38,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:38" (1/1) ... [2022-11-23 14:30:38,727 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:38" (1/1) ... [2022-11-23 14:30:38,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:38" (1/1) ... [2022-11-23 14:30:38,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:30:38,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:30:38,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:30:38,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:30:38,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:38" (1/1) ... [2022-11-23 14:30:38,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:30:38,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f18574-d4d1-4fdc-8086-fa1aafae2905/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:30:38,766 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f18574-d4d1-4fdc-8086-fa1aafae2905/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:30:38,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f18574-d4d1-4fdc-8086-fa1aafae2905/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:30:38,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:30:38,816 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2022-11-23 14:30:38,817 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2022-11-23 14:30:38,817 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-23 14:30:38,817 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-23 14:30:38,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:30:38,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-23 14:30:38,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:30:38,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:30:38,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:30:38,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:30:38,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-23 14:30:38,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:30:38,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:30:38,820 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 14:30:39,014 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:30:39,016 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:30:39,172 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:30:39,178 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:30:39,178 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 14:30:39,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:30:39 BoogieIcfgContainer [2022-11-23 14:30:39,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:30:39,184 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:30:39,184 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:30:39,187 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:30:39,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:30:37" (1/3) ... [2022-11-23 14:30:39,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78bfd0b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:30:39, skipping insertion in model container [2022-11-23 14:30:39,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:38" (2/3) ... [2022-11-23 14:30:39,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78bfd0b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:30:39, skipping insertion in model container [2022-11-23 14:30:39,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:30:39" (3/3) ... [2022-11-23 14:30:39,190 INFO L112 eAbstractionObserver]: Analyzing ICFG peterson.i [2022-11-23 14:30:39,206 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 14:30:39,222 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:30:39,222 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-23 14:30:39,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78bfd0b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:30:39, skipping insertion in model container [2022-11-23 14:30:39,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 14:30:39,226 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 14:30:39,226 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 14:30:39,226 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 14:30:39,226 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:30:39" (3/3) ... [2022-11-23 14:30:39,231 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 14:30:39,238 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2022-11-23 14:30:39,238 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2022-11-23 14:30:39,245 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-23 14:30:39,246 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-23 14:30:39,246 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 14:30:39,247 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 14:30:39,278 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f18574-d4d1-4fdc-8086-fa1aafae2905/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 14:30:39,278 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 14:30:39,280 INFO L158 Benchmark]: Toolchain (without parser) took 1341.02ms. Allocated memory is still 142.6MB. Free memory was 111.9MB in the beginning and 70.0MB in the end (delta: 41.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-11-23 14:30:39,280 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 70.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:30:39,281 INFO L158 Benchmark]: CACSL2BoogieTranslator took 665.40ms. Allocated memory is still 142.6MB. Free memory was 111.9MB in the beginning and 91.6MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-23 14:30:39,282 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.69ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 90.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:30:39,282 INFO L158 Benchmark]: Boogie Preprocessor took 57.74ms. Allocated memory is still 142.6MB. Free memory was 90.0MB in the beginning and 88.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:30:39,283 INFO L158 Benchmark]: RCFGBuilder took 450.11ms. Allocated memory is still 142.6MB. Free memory was 88.6MB in the beginning and 75.4MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 14:30:39,283 INFO L158 Benchmark]: TraceAbstraction took 40.57ms. Allocated memory is still 142.6MB. Free memory was 74.8MB in the beginning and 72.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:30:39,284 INFO L158 Benchmark]: Witness Printer took 52.73ms. Allocated memory is still 142.6MB. Free memory was 72.5MB in the beginning and 70.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:30:39,286 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 70.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 665.40ms. Allocated memory is still 142.6MB. Free memory was 111.9MB in the beginning and 91.6MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.69ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 90.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.74ms. Allocated memory is still 142.6MB. Free memory was 90.0MB in the beginning and 88.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 450.11ms. Allocated memory is still 142.6MB. Free memory was 88.6MB in the beginning and 75.4MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 40.57ms. Allocated memory is still 142.6MB. Free memory was 74.8MB in the beginning and 72.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 52.73ms. Allocated memory is still 142.6MB. Free memory was 72.5MB in the beginning and 70.0MB in the end (delta: 2.5MB). 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! [2022-11-23 14:30:39,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f18574-d4d1-4fdc-8086-fa1aafae2905/bin/utaipan-Q6hlc19bkW/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