./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_72c8bbfa-60a3-4d09-a659-3f5bf9be24f8/bin/ugemcutter-verify-oI9GxRtH0S/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8bbfa-60a3-4d09-a659-3f5bf9be24f8/bin/ugemcutter-verify-oI9GxRtH0S/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8bbfa-60a3-4d09-a659-3f5bf9be24f8/bin/ugemcutter-verify-oI9GxRtH0S/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8bbfa-60a3-4d09-a659-3f5bf9be24f8/bin/ugemcutter-verify-oI9GxRtH0S/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8bbfa-60a3-4d09-a659-3f5bf9be24f8/bin/ugemcutter-verify-oI9GxRtH0S/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8bbfa-60a3-4d09-a659-3f5bf9be24f8/bin/ugemcutter-verify-oI9GxRtH0S --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 b81cf2d80bc77dedaac253250be737ceaa09f6e691f026864fe6fd5cb48c2489 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:07:03,027 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:07:03,143 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8bbfa-60a3-4d09-a659-3f5bf9be24f8/bin/ugemcutter-verify-oI9GxRtH0S/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2023-11-24 22:07:03,151 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:07:03,152 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 22:07:03,196 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:07:03,197 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 22:07:03,197 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 22:07:03,199 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:07:03,204 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 22:07:03,206 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:07:03,206 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:07:03,207 INFO L153 SettingsManager]: * Use SBE=true [2023-11-24 22:07:03,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:07:03,210 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:07:03,210 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:07:03,211 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:07:03,211 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:07:03,212 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:07:03,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:07:03,213 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:07:03,214 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:07:03,214 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:07:03,215 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:07:03,216 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:07:03,216 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:07:03,217 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:07:03,217 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:07:03,218 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 22:07:03,218 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 22:07:03,220 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 22:07:03,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 22:07:03,220 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:07:03,221 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:07:03,221 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:07:03,221 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-24 22:07:03,222 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2023-11-24 22:07:03,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:07:03,222 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 22:07:03,223 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-24 22:07:03,223 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-24 22:07:03,224 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:07:03,224 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-24 22:07:03,224 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-24 22:07:03,225 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_72c8bbfa-60a3-4d09-a659-3f5bf9be24f8/bin/ugemcutter-verify-oI9GxRtH0S/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8bbfa-60a3-4d09-a659-3f5bf9be24f8/bin/ugemcutter-verify-oI9GxRtH0S Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b81cf2d80bc77dedaac253250be737ceaa09f6e691f026864fe6fd5cb48c2489 [2023-11-24 22:07:03,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:07:03,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:07:03,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:07:03,611 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:07:03,612 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:07:03,613 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8bbfa-60a3-4d09-a659-3f5bf9be24f8/bin/ugemcutter-verify-oI9GxRtH0S/../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c [2023-11-24 22:07:06,904 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:07:07,115 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:07:07,116 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8bbfa-60a3-4d09-a659-3f5bf9be24f8/sv-benchmarks/c/weaver/popl20-mult-4.wvr.c [2023-11-24 22:07:07,124 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8bbfa-60a3-4d09-a659-3f5bf9be24f8/bin/ugemcutter-verify-oI9GxRtH0S/data/2289c7496/ba88a3016ede43eea041d24411e9d8d7/FLAG25066925d [2023-11-24 22:07:07,142 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8bbfa-60a3-4d09-a659-3f5bf9be24f8/bin/ugemcutter-verify-oI9GxRtH0S/data/2289c7496/ba88a3016ede43eea041d24411e9d8d7 [2023-11-24 22:07:07,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:07:07,146 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:07:07,147 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:07:07,148 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:07:07,153 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:07:07,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:07:07" (1/1) ... [2023-11-24 22:07:07,155 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@682c61b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:07, skipping insertion in model container [2023-11-24 22:07:07,155 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:07:07" (1/1) ... [2023-11-24 22:07:07,180 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:07:07,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:07:07,372 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:07:07,398 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:07:07,406 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:07:07,406 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:07:07,414 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:07:07,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:07 WrapperNode [2023-11-24 22:07:07,415 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:07:07,416 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:07:07,416 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:07:07,416 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:07:07,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:07" (1/1) ... [2023-11-24 22:07:07,430 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:07" (1/1) ... [2023-11-24 22:07:07,454 INFO L138 Inliner]: procedures = 23, calls = 43, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 124 [2023-11-24 22:07:07,455 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:07:07,456 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:07:07,456 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:07:07,456 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:07:07,465 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:07" (1/1) ... [2023-11-24 22:07:07,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:07" (1/1) ... [2023-11-24 22:07:07,469 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:07" (1/1) ... [2023-11-24 22:07:07,469 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:07" (1/1) ... [2023-11-24 22:07:07,475 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:07" (1/1) ... [2023-11-24 22:07:07,480 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:07" (1/1) ... [2023-11-24 22:07:07,482 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:07" (1/1) ... [2023-11-24 22:07:07,484 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:07" (1/1) ... [2023-11-24 22:07:07,487 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:07:07,488 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:07:07,488 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:07:07,488 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:07:07,489 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:07" (1/1) ... [2023-11-24 22:07:07,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 22:07:07,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8bbfa-60a3-4d09-a659-3f5bf9be24f8/bin/ugemcutter-verify-oI9GxRtH0S/z3 [2023-11-24 22:07:07,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8bbfa-60a3-4d09-a659-3f5bf9be24f8/bin/ugemcutter-verify-oI9GxRtH0S/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 22:07:07,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8bbfa-60a3-4d09-a659-3f5bf9be24f8/bin/ugemcutter-verify-oI9GxRtH0S/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 22:07:07,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:07:07,588 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:07:07,589 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:07:07,589 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:07:07,589 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:07:07,589 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 22:07:07,589 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 22:07:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-24 22:07:07,592 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-24 22:07:07,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:07:07,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:07:07,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:07:07,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:07:07,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:07:07,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:07:07,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:07:07,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:07:07,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:07:07,596 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:07:07,761 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:07:07,764 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:07:08,028 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:07:08,318 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:07:08,318 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-24 22:07:08,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:07:08 BoogieIcfgContainer [2023-11-24 22:07:08,319 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:07:08,322 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 22:07:08,322 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 22:07:08,326 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 22:07:08,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 10:07:07" (1/3) ... [2023-11-24 22:07:08,328 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b41a044 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 10:07:08, skipping insertion in model container [2023-11-24 22:07:08,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:07" (2/3) ... [2023-11-24 22:07:08,328 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b41a044 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 10:07:08, skipping insertion in model container [2023-11-24 22:07:08,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:07:08" (3/3) ... [2023-11-24 22:07:08,330 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-mult-4.wvr.c [2023-11-24 22:07:08,339 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-24 22:07:08,349 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 22:07:08,349 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-24 22:07:08,351 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b41a044 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 10:07:08, skipping insertion in model container [2023-11-24 22:07:08,351 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 22:07:08,352 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:07:08,352 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:07:08,352 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:07:08,353 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:07:08" (3/3) ... [2023-11-24 22:07:08,355 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:07:08,359 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-24 22:07:08,359 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-24 22:07:08,360 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-24 22:07:08,360 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2023-11-24 22:07:08,366 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 69 nodes and edges [2023-11-24 22:07:08,366 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-24 22:07:08,367 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-24 22:07:08,367 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 22:07:08,465 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8bbfa-60a3-4d09-a659-3f5bf9be24f8/bin/ugemcutter-verify-oI9GxRtH0S/witness.graphml [2023-11-24 22:07:08,465 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8bbfa-60a3-4d09-a659-3f5bf9be24f8/bin/ugemcutter-verify-oI9GxRtH0S/witness.yml [2023-11-24 22:07:08,466 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:07:08,467 INFO L158 Benchmark]: Toolchain (without parser) took 1320.66ms. Allocated memory was 155.2MB in the beginning and 220.2MB in the end (delta: 65.0MB). Free memory was 107.0MB in the beginning and 168.3MB in the end (delta: -61.4MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2023-11-24 22:07:08,467 INFO L158 Benchmark]: CDTParser took 1.46ms. Allocated memory is still 96.5MB. Free memory is still 42.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:07:08,468 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.58ms. Allocated memory is still 155.2MB. Free memory was 106.5MB in the beginning and 95.3MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:07:08,468 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.48ms. Allocated memory is still 155.2MB. Free memory was 95.3MB in the beginning and 93.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:07:08,469 INFO L158 Benchmark]: Boogie Preprocessor took 31.54ms. Allocated memory is still 155.2MB. Free memory was 93.3MB in the beginning and 91.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:07:08,469 INFO L158 Benchmark]: RCFGBuilder took 830.98ms. Allocated memory was 155.2MB in the beginning and 220.2MB in the end (delta: 65.0MB). Free memory was 91.7MB in the beginning and 176.7MB in the end (delta: -85.1MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2023-11-24 22:07:08,470 INFO L158 Benchmark]: TraceAbstraction took 29.40ms. Allocated memory is still 220.2MB. Free memory was 175.7MB in the beginning and 173.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:07:08,470 INFO L158 Benchmark]: Witness Printer took 113.55ms. Allocated memory is still 220.2MB. Free memory was 173.5MB in the beginning and 168.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:07:08,473 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.46ms. Allocated memory is still 96.5MB. Free memory is still 42.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.58ms. Allocated memory is still 155.2MB. Free memory was 106.5MB in the beginning and 95.3MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.48ms. Allocated memory is still 155.2MB. Free memory was 95.3MB in the beginning and 93.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.54ms. Allocated memory is still 155.2MB. Free memory was 93.3MB in the beginning and 91.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 830.98ms. Allocated memory was 155.2MB in the beginning and 220.2MB in the end (delta: 65.0MB). Free memory was 91.7MB in the beginning and 176.7MB in the end (delta: -85.1MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. * TraceAbstraction took 29.40ms. Allocated memory is still 220.2MB. Free memory was 175.7MB in the beginning and 173.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 113.55ms. Allocated memory is still 220.2MB. Free memory was 173.5MB in the beginning and 168.3MB 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! [2023-11-24 22:07:08,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c8bbfa-60a3-4d09-a659-3f5bf9be24f8/bin/ugemcutter-verify-oI9GxRtH0S/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