./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/bigshot_s2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_8ff02280-b6e5-4fcb-82ec-fb111cd54f68/bin/ugemcutter-verify-ztSkJzofpW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff02280-b6e5-4fcb-82ec-fb111cd54f68/bin/ugemcutter-verify-ztSkJzofpW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff02280-b6e5-4fcb-82ec-fb111cd54f68/bin/ugemcutter-verify-ztSkJzofpW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff02280-b6e5-4fcb-82ec-fb111cd54f68/bin/ugemcutter-verify-ztSkJzofpW/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread/bigshot_s2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff02280-b6e5-4fcb-82ec-fb111cd54f68/bin/ugemcutter-verify-ztSkJzofpW/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff02280-b6e5-4fcb-82ec-fb111cd54f68/bin/ugemcutter-verify-ztSkJzofpW --witnessprinter.witness.filename witness --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 fa644cc26c2bb4f900e6af52233648196eb4dff503d36a50559ddcf2a4270ffb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-17 22:50:10,984 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 22:50:11,055 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff02280-b6e5-4fcb-82ec-fb111cd54f68/bin/ugemcutter-verify-ztSkJzofpW/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2023-11-17 22:50:11,061 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 22:50:11,061 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 22:50:11,095 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 22:50:11,103 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 22:50:11,104 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 22:50:11,105 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 22:50:11,110 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 22:50:11,112 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 22:50:11,112 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 22:50:11,113 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 22:50:11,115 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 22:50:11,115 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 22:50:11,116 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 22:50:11,116 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 22:50:11,117 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 22:50:11,117 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 22:50:11,117 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 22:50:11,118 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 22:50:11,118 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 22:50:11,119 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-17 22:50:11,119 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-17 22:50:11,120 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 22:50:11,120 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 22:50:11,120 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 22:50:11,121 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 22:50:11,121 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 22:50:11,122 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 22:50:11,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 22:50:11,123 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 22:50:11,124 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 22:50:11,124 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 22:50:11,124 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 22:50:11,124 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2023-11-17 22:50:11,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 22:50:11,125 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 22:50:11,125 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-17 22:50:11,126 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 22:50:11,126 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 22:50:11,127 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 22:50:11,127 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-17 22:50:11,127 INFO L153 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_8ff02280-b6e5-4fcb-82ec-fb111cd54f68/bin/ugemcutter-verify-ztSkJzofpW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff02280-b6e5-4fcb-82ec-fb111cd54f68/bin/ugemcutter-verify-ztSkJzofpW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa644cc26c2bb4f900e6af52233648196eb4dff503d36a50559ddcf2a4270ffb [2023-11-17 22:50:11,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 22:50:11,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 22:50:11,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 22:50:11,436 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 22:50:11,436 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 22:50:11,438 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff02280-b6e5-4fcb-82ec-fb111cd54f68/bin/ugemcutter-verify-ztSkJzofpW/../../sv-benchmarks/c/pthread/bigshot_s2.i [2023-11-17 22:50:14,543 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 22:50:14,899 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 22:50:14,899 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff02280-b6e5-4fcb-82ec-fb111cd54f68/sv-benchmarks/c/pthread/bigshot_s2.i [2023-11-17 22:50:14,919 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff02280-b6e5-4fcb-82ec-fb111cd54f68/bin/ugemcutter-verify-ztSkJzofpW/data/2386af4aa/d683751171ce4f849d3bff3b0e6036d2/FLAG41a997978 [2023-11-17 22:50:14,935 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff02280-b6e5-4fcb-82ec-fb111cd54f68/bin/ugemcutter-verify-ztSkJzofpW/data/2386af4aa/d683751171ce4f849d3bff3b0e6036d2 [2023-11-17 22:50:14,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 22:50:14,939 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-17 22:50:14,941 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 22:50:14,941 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 22:50:14,954 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 22:50:14,955 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:50:14" (1/1) ... [2023-11-17 22:50:14,960 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@559c4f5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:50:14, skipping insertion in model container [2023-11-17 22:50:14,960 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:50:14" (1/1) ... [2023-11-17 22:50:15,027 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 22:50:15,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 22:50:15,600 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 22:50:15,680 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 22:50:15,843 INFO L206 MainTranslator]: Completed translation [2023-11-17 22:50:15,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:50:15 WrapperNode [2023-11-17 22:50:15,844 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 22:50:15,845 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 22:50:15,846 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 22:50:15,846 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 22:50:15,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:50:15" (1/1) ... [2023-11-17 22:50:15,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:50:15" (1/1) ... [2023-11-17 22:50:15,934 INFO L138 Inliner]: procedures = 323, calls = 34, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2023-11-17 22:50:15,936 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 22:50:15,936 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 22:50:15,937 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 22:50:15,937 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 22:50:15,947 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:50:15" (1/1) ... [2023-11-17 22:50:15,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:50:15" (1/1) ... [2023-11-17 22:50:15,961 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:50:15" (1/1) ... [2023-11-17 22:50:15,963 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:50:15" (1/1) ... [2023-11-17 22:50:15,970 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:50:15" (1/1) ... [2023-11-17 22:50:15,983 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:50:15" (1/1) ... [2023-11-17 22:50:15,985 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:50:15" (1/1) ... [2023-11-17 22:50:15,995 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:50:15" (1/1) ... [2023-11-17 22:50:15,998 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 22:50:16,003 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 22:50:16,004 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 22:50:16,004 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 22:50:16,005 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:50:15" (1/1) ... [2023-11-17 22:50:16,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 22:50:16,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff02280-b6e5-4fcb-82ec-fb111cd54f68/bin/ugemcutter-verify-ztSkJzofpW/z3 [2023-11-17 22:50:16,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff02280-b6e5-4fcb-82ec-fb111cd54f68/bin/ugemcutter-verify-ztSkJzofpW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-17 22:50:16,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff02280-b6e5-4fcb-82ec-fb111cd54f68/bin/ugemcutter-verify-ztSkJzofpW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-17 22:50:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 22:50:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 22:50:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-17 22:50:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 22:50:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-17 22:50:16,090 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-17 22:50:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-17 22:50:16,091 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-17 22:50:16,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 22:50:16,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-17 22:50:16,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 22:50:16,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 22:50:16,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 22:50:16,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 22:50:16,095 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-17 22:50:16,277 INFO L236 CfgBuilder]: Building ICFG [2023-11-17 22:50:16,280 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 22:50:16,445 INFO L277 CfgBuilder]: Performing block encoding [2023-11-17 22:50:16,461 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 22:50:16,462 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-17 22:50:16,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 10:50:16 BoogieIcfgContainer [2023-11-17 22:50:16,466 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 22:50:16,469 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 22:50:16,469 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 22:50:16,473 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 22:50:16,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 10:50:14" (1/3) ... [2023-11-17 22:50:16,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78213790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 10:50:16, skipping insertion in model container [2023-11-17 22:50:16,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:50:15" (2/3) ... [2023-11-17 22:50:16,475 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78213790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 10:50:16, skipping insertion in model container [2023-11-17 22:50:16,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 10:50:16" (3/3) ... [2023-11-17 22:50:16,477 INFO L112 eAbstractionObserver]: Analyzing ICFG bigshot_s2.i [2023-11-17 22:50:16,489 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-17 22:50:16,502 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 22:50:16,503 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-17 22:50:16,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78213790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 10:50:16, skipping insertion in model container [2023-11-17 22:50:16,505 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 22:50:16,506 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-17 22:50:16,506 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-17 22:50:16,506 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-17 22:50:16,507 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 10:50:16" (3/3) ... [2023-11-17 22:50:16,510 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-17 22:50:16,515 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-17 22:50:16,516 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-17 22:50:16,521 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-17 22:50:16,522 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-17 22:50:16,522 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-17 22:50:16,522 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-17 22:50:16,523 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-17 22:50:16,620 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff02280-b6e5-4fcb-82ec-fb111cd54f68/bin/ugemcutter-verify-ztSkJzofpW/witness.graphml [2023-11-17 22:50:16,621 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff02280-b6e5-4fcb-82ec-fb111cd54f68/bin/ugemcutter-verify-ztSkJzofpW/witness.yml [2023-11-17 22:50:16,621 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-17 22:50:16,623 INFO L158 Benchmark]: Toolchain (without parser) took 1682.91ms. Allocated memory was 127.9MB in the beginning and 169.9MB in the end (delta: 41.9MB). Free memory was 80.1MB in the beginning and 101.7MB in the end (delta: -21.6MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2023-11-17 22:50:16,624 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 96.5MB. Free memory is still 40.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-17 22:50:16,625 INFO L158 Benchmark]: CACSL2BoogieTranslator took 903.41ms. Allocated memory was 127.9MB in the beginning and 169.9MB in the end (delta: 41.9MB). Free memory was 79.7MB in the beginning and 127.9MB in the end (delta: -48.2MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2023-11-17 22:50:16,625 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.44ms. Allocated memory is still 169.9MB. Free memory was 127.9MB in the beginning and 125.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-17 22:50:16,626 INFO L158 Benchmark]: Boogie Preprocessor took 66.41ms. Allocated memory is still 169.9MB. Free memory was 124.7MB in the beginning and 123.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-17 22:50:16,626 INFO L158 Benchmark]: RCFGBuilder took 462.72ms. Allocated memory is still 169.9MB. Free memory was 123.6MB in the beginning and 109.0MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-17 22:50:16,627 INFO L158 Benchmark]: TraceAbstraction took 36.05ms. Allocated memory is still 169.9MB. Free memory was 108.0MB in the beginning and 106.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-17 22:50:16,627 INFO L158 Benchmark]: Witness Printer took 115.64ms. Allocated memory is still 169.9MB. Free memory was 106.9MB in the beginning and 101.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-17 22:50:16,630 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 96.5MB. Free memory is still 40.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 903.41ms. Allocated memory was 127.9MB in the beginning and 169.9MB in the end (delta: 41.9MB). Free memory was 79.7MB in the beginning and 127.9MB in the end (delta: -48.2MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.44ms. Allocated memory is still 169.9MB. Free memory was 127.9MB in the beginning and 125.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.41ms. Allocated memory is still 169.9MB. Free memory was 124.7MB in the beginning and 123.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 462.72ms. Allocated memory is still 169.9MB. Free memory was 123.6MB in the beginning and 109.0MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 36.05ms. Allocated memory is still 169.9MB. Free memory was 108.0MB in the beginning and 106.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 115.64ms. Allocated memory is still 169.9MB. Free memory was 106.9MB in the beginning and 101.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. 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! [2023-11-17 22:50:16,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff02280-b6e5-4fcb-82ec-fb111cd54f68/bin/ugemcutter-verify-ztSkJzofpW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE