./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/test-easy7.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e7bb482b 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_45321b4a-b330-47c4-be89-6b9483c950b4/bin/ugemcutter-verify-t8buoWUS1i/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45321b4a-b330-47c4-be89-6b9483c950b4/bin/ugemcutter-verify-t8buoWUS1i/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45321b4a-b330-47c4-be89-6b9483c950b4/bin/ugemcutter-verify-t8buoWUS1i/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45321b4a-b330-47c4-be89-6b9483c950b4/bin/ugemcutter-verify-t8buoWUS1i/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/test-easy7.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45321b4a-b330-47c4-be89-6b9483c950b4/bin/ugemcutter-verify-t8buoWUS1i/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45321b4a-b330-47c4-be89-6b9483c950b4/bin/ugemcutter-verify-t8buoWUS1i --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 89875838ba00841ab95f284d6aeb82a1a762d2b06c5f173202307480dc57b4e4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 14:08:18,486 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 14:08:18,601 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45321b4a-b330-47c4-be89-6b9483c950b4/bin/ugemcutter-verify-t8buoWUS1i/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2023-11-06 14:08:18,606 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 14:08:18,607 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 14:08:18,635 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 14:08:18,635 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 14:08:18,636 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 14:08:18,637 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 14:08:18,638 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 14:08:18,638 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 14:08:18,639 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 14:08:18,640 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 14:08:18,641 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 14:08:18,641 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 14:08:18,642 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 14:08:18,642 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 14:08:18,643 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 14:08:18,644 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 14:08:18,644 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 14:08:18,645 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 14:08:18,646 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 14:08:18,646 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 14:08:18,647 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 14:08:18,647 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 14:08:18,648 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 14:08:18,649 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 14:08:18,649 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 14:08:18,650 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 14:08:18,650 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 14:08:18,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 14:08:18,652 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 14:08:18,652 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 14:08:18,653 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 14:08:18,653 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 14:08:18,654 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2023-11-06 14:08:18,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 14:08:18,655 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-06 14:08:18,655 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-06 14:08:18,656 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-06 14:08:18,656 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 14:08:18,657 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-06 14:08:18,657 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-06 14:08:18,658 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_45321b4a-b330-47c4-be89-6b9483c950b4/bin/ugemcutter-verify-t8buoWUS1i/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45321b4a-b330-47c4-be89-6b9483c950b4/bin/ugemcutter-verify-t8buoWUS1i Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89875838ba00841ab95f284d6aeb82a1a762d2b06c5f173202307480dc57b4e4 [2023-11-06 14:08:18,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 14:08:18,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 14:08:18,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 14:08:18,989 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 14:08:18,989 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 14:08:18,991 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45321b4a-b330-47c4-be89-6b9483c950b4/bin/ugemcutter-verify-t8buoWUS1i/../../sv-benchmarks/c/weaver/test-easy7.wvr.c [2023-11-06 14:08:22,252 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 14:08:22,510 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 14:08:22,514 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45321b4a-b330-47c4-be89-6b9483c950b4/sv-benchmarks/c/weaver/test-easy7.wvr.c [2023-11-06 14:08:22,524 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45321b4a-b330-47c4-be89-6b9483c950b4/bin/ugemcutter-verify-t8buoWUS1i/data/50dc73d7c/6f326f91a5f74fabbe19c0eb4af35091/FLAG3646e7471 [2023-11-06 14:08:22,544 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45321b4a-b330-47c4-be89-6b9483c950b4/bin/ugemcutter-verify-t8buoWUS1i/data/50dc73d7c/6f326f91a5f74fabbe19c0eb4af35091 [2023-11-06 14:08:22,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 14:08:22,552 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 14:08:22,554 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 14:08:22,555 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 14:08:22,560 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 14:08:22,563 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:08:22" (1/1) ... [2023-11-06 14:08:22,564 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@401aeb8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:22, skipping insertion in model container [2023-11-06 14:08:22,565 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:08:22" (1/1) ... [2023-11-06 14:08:22,592 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 14:08:22,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 14:08:22,823 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 14:08:22,848 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 14:08:22,867 INFO L206 MainTranslator]: Completed translation [2023-11-06 14:08:22,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:22 WrapperNode [2023-11-06 14:08:22,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 14:08:22,868 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 14:08:22,868 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 14:08:22,868 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 14:08:22,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:22" (1/1) ... [2023-11-06 14:08:22,885 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:22" (1/1) ... [2023-11-06 14:08:22,906 INFO L138 Inliner]: procedures = 21, calls = 21, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 57 [2023-11-06 14:08:22,908 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 14:08:22,909 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 14:08:22,909 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 14:08:22,909 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 14:08:22,920 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:22" (1/1) ... [2023-11-06 14:08:22,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:22" (1/1) ... [2023-11-06 14:08:22,936 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:22" (1/1) ... [2023-11-06 14:08:22,937 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:22" (1/1) ... [2023-11-06 14:08:22,942 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:22" (1/1) ... [2023-11-06 14:08:22,950 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:22" (1/1) ... [2023-11-06 14:08:22,951 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:22" (1/1) ... [2023-11-06 14:08:22,952 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:22" (1/1) ... [2023-11-06 14:08:22,955 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 14:08:22,956 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 14:08:22,956 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 14:08:22,956 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 14:08:22,957 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:22" (1/1) ... [2023-11-06 14:08:22,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 14:08:22,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45321b4a-b330-47c4-be89-6b9483c950b4/bin/ugemcutter-verify-t8buoWUS1i/z3 [2023-11-06 14:08:23,002 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45321b4a-b330-47c4-be89-6b9483c950b4/bin/ugemcutter-verify-t8buoWUS1i/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 14:08:23,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45321b4a-b330-47c4-be89-6b9483c950b4/bin/ugemcutter-verify-t8buoWUS1i/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 14:08:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 14:08:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 14:08:23,051 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 14:08:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 14:08:23,052 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 14:08:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 14:08:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 14:08:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 14:08:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 14:08:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 14:08:23,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 14:08:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 14:08:23,059 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 14:08:23,157 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 14:08:23,159 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 14:08:23,376 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 14:08:23,385 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 14:08:23,385 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 14:08:23,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:08:23 BoogieIcfgContainer [2023-11-06 14:08:23,388 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 14:08:23,390 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 14:08:23,391 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 14:08:23,394 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 14:08:23,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 02:08:22" (1/3) ... [2023-11-06 14:08:23,395 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7435d899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:08:23, skipping insertion in model container [2023-11-06 14:08:23,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:22" (2/3) ... [2023-11-06 14:08:23,396 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7435d899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:08:23, skipping insertion in model container [2023-11-06 14:08:23,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:08:23" (3/3) ... [2023-11-06 14:08:23,397 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy7.wvr.c [2023-11-06 14:08:23,406 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 14:08:23,418 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 14:08:23,418 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-06 14:08:23,419 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7435d899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 02:08:23, skipping insertion in model container [2023-11-06 14:08:23,420 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 14:08:23,420 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 14:08:23,421 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 14:08:23,421 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 14:08:23,421 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:08:23" (3/3) ... [2023-11-06 14:08:23,423 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 14:08:23,427 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-06 14:08:23,427 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-06 14:08:23,432 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-06 14:08:23,433 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 14:08:23,433 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 14:08:23,433 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 14:08:23,488 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45321b4a-b330-47c4-be89-6b9483c950b4/bin/ugemcutter-verify-t8buoWUS1i/witness.graphml.graphml [2023-11-06 14:08:23,488 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45321b4a-b330-47c4-be89-6b9483c950b4/bin/ugemcutter-verify-t8buoWUS1i/witness.graphml.yaml [2023-11-06 14:08:23,489 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 14:08:23,490 INFO L158 Benchmark]: Toolchain (without parser) took 937.38ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 107.0MB in the end (delta: -7.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 14:08:23,491 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 92.3MB. Free memory was 65.4MB in the beginning and 65.3MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 14:08:23,491 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.38ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 88.7MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 14:08:23,492 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.28ms. Allocated memory is still 142.6MB. Free memory was 88.7MB in the beginning and 87.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 14:08:23,492 INFO L158 Benchmark]: Boogie Preprocessor took 46.19ms. Allocated memory is still 142.6MB. Free memory was 87.4MB in the beginning and 86.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 14:08:23,493 INFO L158 Benchmark]: RCFGBuilder took 431.76ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 113.3MB in the end (delta: -27.1MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2023-11-06 14:08:23,493 INFO L158 Benchmark]: TraceAbstraction took 29.22ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 110.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 14:08:23,494 INFO L158 Benchmark]: Witness Printer took 68.33ms. Allocated memory is still 142.6MB. Free memory was 110.3MB in the beginning and 107.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 14:08:23,497 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 92.3MB. Free memory was 65.4MB in the beginning and 65.3MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.38ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 88.7MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.28ms. Allocated memory is still 142.6MB. Free memory was 88.7MB in the beginning and 87.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.19ms. Allocated memory is still 142.6MB. Free memory was 87.4MB in the beginning and 86.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 431.76ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 113.3MB in the end (delta: -27.1MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * TraceAbstraction took 29.22ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 110.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 68.33ms. Allocated memory is still 142.6MB. Free memory was 110.3MB in the beginning and 107.0MB in the end (delta: 3.3MB). 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! [2023-11-06 14:08:23,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45321b4a-b330-47c4-be89-6b9483c950b4/bin/ugemcutter-verify-t8buoWUS1i/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