./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-atomic/szymanski.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3e556d-55ad-4154-b18d-ecda9110c292/bin/ugemcutter-CCe4ZdLeKS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3e556d-55ad-4154-b18d-ecda9110c292/bin/ugemcutter-CCe4ZdLeKS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3e556d-55ad-4154-b18d-ecda9110c292/bin/ugemcutter-CCe4ZdLeKS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3e556d-55ad-4154-b18d-ecda9110c292/bin/ugemcutter-CCe4ZdLeKS/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-atomic/szymanski.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3e556d-55ad-4154-b18d-ecda9110c292/bin/ugemcutter-CCe4ZdLeKS/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3e556d-55ad-4154-b18d-ecda9110c292/bin/ugemcutter-CCe4ZdLeKS --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 bc84ca2197caec735a8480f9d61b820c686ed9ae52711f2c7500999694c2ad40 --- 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-6b4ec56 [2022-11-20 16:19:57,070 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:19:57,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:19:57,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:19:57,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:19:57,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:19:57,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:19:57,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:19:57,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:19:57,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:19:57,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:19:57,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:19:57,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:19:57,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:19:57,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:19:57,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:19:57,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:19:57,140 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:19:57,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:19:57,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:19:57,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:19:57,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:19:57,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:19:57,156 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:19:57,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:19:57,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:19:57,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:19:57,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:19:57,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:19:57,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:19:57,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:19:57,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:19:57,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:19:57,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:19:57,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:19:57,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:19:57,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:19:57,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:19:57,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:19:57,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:19:57,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:19:57,190 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3e556d-55ad-4154-b18d-ecda9110c292/bin/ugemcutter-CCe4ZdLeKS/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2022-11-20 16:19:57,239 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:19:57,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:19:57,240 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 16:19:57,240 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 16:19:57,241 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:19:57,241 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 16:19:57,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:19:57,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:19:57,243 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 16:19:57,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:19:57,244 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:19:57,245 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:19:57,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:19:57,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:19:57,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:19:57,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:19:57,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:19:57,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:19:57,247 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:19:57,247 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:19:57,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:19:57,248 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:19:57,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:19:57,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:19:57,248 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 16:19:57,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 16:19:57,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 16:19:57,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:19:57,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:19:57,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:19:57,250 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 16:19:57,251 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-11-20 16:19:57,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:19:57,251 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 16:19:57,252 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-20 16:19:57,252 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-20 16:19:57,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:19:57,253 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-20 16:19:57,253 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-20 16:19:57,253 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_7f3e556d-55ad-4154-b18d-ecda9110c292/bin/ugemcutter-CCe4ZdLeKS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3e556d-55ad-4154-b18d-ecda9110c292/bin/ugemcutter-CCe4ZdLeKS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc84ca2197caec735a8480f9d61b820c686ed9ae52711f2c7500999694c2ad40 [2022-11-20 16:19:57,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:19:57,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:19:57,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:19:57,651 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:19:57,652 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:19:57,654 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3e556d-55ad-4154-b18d-ecda9110c292/bin/ugemcutter-CCe4ZdLeKS/../../sv-benchmarks/c/pthread-atomic/szymanski.i [2022-11-20 16:20:01,310 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:20:01,624 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:20:01,624 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3e556d-55ad-4154-b18d-ecda9110c292/sv-benchmarks/c/pthread-atomic/szymanski.i [2022-11-20 16:20:01,641 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3e556d-55ad-4154-b18d-ecda9110c292/bin/ugemcutter-CCe4ZdLeKS/data/d30c70a9e/9447075a6969495a8778b48e20837f6e/FLAG802986fbd [2022-11-20 16:20:01,669 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3e556d-55ad-4154-b18d-ecda9110c292/bin/ugemcutter-CCe4ZdLeKS/data/d30c70a9e/9447075a6969495a8778b48e20837f6e [2022-11-20 16:20:01,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:20:01,676 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:20:01,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:20:01,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:20:01,689 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:20:01,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:20:01" (1/1) ... [2022-11-20 16:20:01,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16dcb54e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:20:01, skipping insertion in model container [2022-11-20 16:20:01,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:20:01" (1/1) ... [2022-11-20 16:20:01,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:20:01,781 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:20:02,021 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:20:02,272 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_7f3e556d-55ad-4154-b18d-ecda9110c292/sv-benchmarks/c/pthread-atomic/szymanski.i[31505,31518] [2022-11-20 16:20:02,283 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_7f3e556d-55ad-4154-b18d-ecda9110c292/sv-benchmarks/c/pthread-atomic/szymanski.i[32915,32928] [2022-11-20 16:20:02,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:20:02,315 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:20:02,352 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:20:02,379 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_7f3e556d-55ad-4154-b18d-ecda9110c292/sv-benchmarks/c/pthread-atomic/szymanski.i[31505,31518] [2022-11-20 16:20:02,384 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_7f3e556d-55ad-4154-b18d-ecda9110c292/sv-benchmarks/c/pthread-atomic/szymanski.i[32915,32928] [2022-11-20 16:20:02,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:20:02,443 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:20:02,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:20:02 WrapperNode [2022-11-20 16:20:02,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:20:02,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:20:02,447 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:20:02,447 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:20:02,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:20:02" (1/1) ... [2022-11-20 16:20:02,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:20:02" (1/1) ... [2022-11-20 16:20:02,526 INFO L138 Inliner]: procedures = 171, calls = 75, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2022-11-20 16:20:02,527 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:20:02,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:20:02,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:20:02,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:20:02,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:20:02" (1/1) ... [2022-11-20 16:20:02,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:20:02" (1/1) ... [2022-11-20 16:20:02,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:20:02" (1/1) ... [2022-11-20 16:20:02,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:20:02" (1/1) ... [2022-11-20 16:20:02,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:20:02" (1/1) ... [2022-11-20 16:20:02,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:20:02" (1/1) ... [2022-11-20 16:20:02,586 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:20:02" (1/1) ... [2022-11-20 16:20:02,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:20:02" (1/1) ... [2022-11-20 16:20:02,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:20:02,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:20:02,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:20:02,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:20:02,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:20:02" (1/1) ... [2022-11-20 16:20:02,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 16:20:02,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3e556d-55ad-4154-b18d-ecda9110c292/bin/ugemcutter-CCe4ZdLeKS/z3 [2022-11-20 16:20:02,637 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3e556d-55ad-4154-b18d-ecda9110c292/bin/ugemcutter-CCe4ZdLeKS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 16:20:02,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3e556d-55ad-4154-b18d-ecda9110c292/bin/ugemcutter-CCe4ZdLeKS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 16:20:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 16:20:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2022-11-20 16:20:02,695 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2022-11-20 16:20:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-20 16:20:02,695 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-20 16:20:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 16:20:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 16:20:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:20:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:20:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:20:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:20:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 16:20:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:20:02,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:20:02,700 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 16:20:02,912 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:20:02,915 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:20:03,252 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:20:03,261 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:20:03,261 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-11-20 16:20:03,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:20:03 BoogieIcfgContainer [2022-11-20 16:20:03,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:20:03,267 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 16:20:03,267 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 16:20:03,271 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 16:20:03,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 04:20:01" (1/3) ... [2022-11-20 16:20:03,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d99594a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:20:03, skipping insertion in model container [2022-11-20 16:20:03,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:20:02" (2/3) ... [2022-11-20 16:20:03,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d99594a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:20:03, skipping insertion in model container [2022-11-20 16:20:03,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:20:03" (3/3) ... [2022-11-20 16:20:03,276 INFO L112 eAbstractionObserver]: Analyzing ICFG szymanski.i [2022-11-20 16:20:03,293 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 16:20:03,314 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 16:20:03,314 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-20 16:20:03,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d99594a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 04:20:03, skipping insertion in model container [2022-11-20 16:20:03,317 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 16:20:03,318 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:20:03,319 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:20:03,319 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:20:03,320 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:20:03" (3/3) ... [2022-11-20 16:20:03,324 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 16:20:03,333 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2022-11-20 16:20:03,333 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2022-11-20 16:20:03,342 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-20 16:20:03,343 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 16:20:03,344 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 16:20:03,344 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:20:03,401 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3e556d-55ad-4154-b18d-ecda9110c292/bin/ugemcutter-CCe4ZdLeKS/witness.graphml [2022-11-20 16:20:03,405 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:20:03,407 INFO L158 Benchmark]: Toolchain (without parser) took 1730.06ms. Allocated memory is still 176.2MB. Free memory was 133.5MB in the beginning and 138.3MB in the end (delta: -4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:20:03,408 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 57.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:20:03,409 INFO L158 Benchmark]: CACSL2BoogieTranslator took 761.60ms. Allocated memory is still 176.2MB. Free memory was 132.9MB in the beginning and 112.9MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 16:20:03,409 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.65ms. Allocated memory is still 176.2MB. Free memory was 112.9MB in the beginning and 111.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:20:03,410 INFO L158 Benchmark]: Boogie Preprocessor took 66.85ms. Allocated memory is still 176.2MB. Free memory was 111.0MB in the beginning and 109.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:20:03,410 INFO L158 Benchmark]: RCFGBuilder took 669.26ms. Allocated memory is still 176.2MB. Free memory was 109.4MB in the beginning and 143.6MB in the end (delta: -34.2MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2022-11-20 16:20:03,411 INFO L158 Benchmark]: TraceAbstraction took 50.37ms. Allocated memory is still 176.2MB. Free memory was 142.6MB in the beginning and 140.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:20:03,412 INFO L158 Benchmark]: Witness Printer took 87.10ms. Allocated memory is still 176.2MB. Free memory was 140.4MB in the beginning and 138.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:20:03,421 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 57.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 761.60ms. Allocated memory is still 176.2MB. Free memory was 132.9MB in the beginning and 112.9MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.65ms. Allocated memory is still 176.2MB. Free memory was 112.9MB in the beginning and 111.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.85ms. Allocated memory is still 176.2MB. Free memory was 111.0MB in the beginning and 109.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 669.26ms. Allocated memory is still 176.2MB. Free memory was 109.4MB in the beginning and 143.6MB in the end (delta: -34.2MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * TraceAbstraction took 50.37ms. Allocated memory is still 176.2MB. Free memory was 142.6MB in the beginning and 140.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 87.10ms. Allocated memory is still 176.2MB. Free memory was 140.4MB in the beginning and 138.3MB in the end (delta: 2.1MB). 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! [2022-11-20 16:20:03,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3e556d-55ad-4154-b18d-ecda9110c292/bin/ugemcutter-CCe4ZdLeKS/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