./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 9bd2c7ff 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_0f49cdff-cb14-4323-bd5c-f69275757f96/bin/ugemcutter-verify-ztSkJzofpW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f49cdff-cb14-4323-bd5c-f69275757f96/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_0f49cdff-cb14-4323-bd5c-f69275757f96/bin/ugemcutter-verify-ztSkJzofpW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f49cdff-cb14-4323-bd5c-f69275757f96/bin/ugemcutter-verify-ztSkJzofpW/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-atomic/szymanski.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f49cdff-cb14-4323-bd5c-f69275757f96/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_0f49cdff-cb14-4323-bd5c-f69275757f96/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 bc84ca2197caec735a8480f9d61b820c686ed9ae52711f2c7500999694c2ad40 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-17 22:46:33,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 22:46:33,621 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f49cdff-cb14-4323-bd5c-f69275757f96/bin/ugemcutter-verify-ztSkJzofpW/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2023-11-17 22:46:33,627 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 22:46:33,628 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 22:46:33,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 22:46:33,667 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 22:46:33,667 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 22:46:33,668 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 22:46:33,673 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 22:46:33,674 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 22:46:33,674 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 22:46:33,674 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 22:46:33,677 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 22:46:33,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 22:46:33,677 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 22:46:33,678 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 22:46:33,678 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 22:46:33,678 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 22:46:33,679 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 22:46:33,679 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 22:46:33,680 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 22:46:33,680 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-17 22:46:33,681 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-17 22:46:33,681 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 22:46:33,681 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 22:46:33,682 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 22:46:33,682 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 22:46:33,682 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 22:46:33,683 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 22:46:33,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 22:46:33,684 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 22:46:33,685 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 22:46:33,685 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 22:46:33,685 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 22:46:33,685 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2023-11-17 22:46:33,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 22:46:33,686 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 22:46:33,686 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-17 22:46:33,686 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 22:46:33,686 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 22:46:33,687 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 22:46:33,688 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-17 22:46:33,688 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_0f49cdff-cb14-4323-bd5c-f69275757f96/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f49cdff-cb14-4323-bd5c-f69275757f96/bin/ugemcutter-verify-ztSkJzofpW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc84ca2197caec735a8480f9d61b820c686ed9ae52711f2c7500999694c2ad40 [2023-11-17 22:46:34,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 22:46:34,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 22:46:34,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 22:46:34,048 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 22:46:34,049 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 22:46:34,050 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f49cdff-cb14-4323-bd5c-f69275757f96/bin/ugemcutter-verify-ztSkJzofpW/../../sv-benchmarks/c/pthread-atomic/szymanski.i [2023-11-17 22:46:37,234 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 22:46:37,511 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 22:46:37,512 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f49cdff-cb14-4323-bd5c-f69275757f96/sv-benchmarks/c/pthread-atomic/szymanski.i [2023-11-17 22:46:37,529 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f49cdff-cb14-4323-bd5c-f69275757f96/bin/ugemcutter-verify-ztSkJzofpW/data/3210a1bf6/133ed7133cbd46fdb4e4de9f88b94ce1/FLAG2ef962ccc [2023-11-17 22:46:37,552 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f49cdff-cb14-4323-bd5c-f69275757f96/bin/ugemcutter-verify-ztSkJzofpW/data/3210a1bf6/133ed7133cbd46fdb4e4de9f88b94ce1 [2023-11-17 22:46:37,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 22:46:37,559 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-17 22:46:37,563 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 22:46:37,563 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 22:46:37,569 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 22:46:37,569 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:46:37" (1/1) ... [2023-11-17 22:46:37,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ae7759b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:46:37, skipping insertion in model container [2023-11-17 22:46:37,571 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:46:37" (1/1) ... [2023-11-17 22:46:37,623 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 22:46:37,871 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-17 22:46:38,111 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 22:46:38,129 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 22:46:38,157 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-17 22:46:38,209 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 22:46:38,247 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 22:46:38,247 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 22:46:38,247 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 22:46:38,256 INFO L206 MainTranslator]: Completed translation [2023-11-17 22:46:38,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:46:38 WrapperNode [2023-11-17 22:46:38,257 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 22:46:38,258 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 22:46:38,258 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 22:46:38,259 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 22:46:38,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:46:38" (1/1) ... [2023-11-17 22:46:38,281 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:46:38" (1/1) ... [2023-11-17 22:46:38,308 INFO L138 Inliner]: procedures = 171, calls = 77, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 179 [2023-11-17 22:46:38,309 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 22:46:38,310 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 22:46:38,310 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 22:46:38,310 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 22:46:38,321 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:46:38" (1/1) ... [2023-11-17 22:46:38,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:46:38" (1/1) ... [2023-11-17 22:46:38,324 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:46:38" (1/1) ... [2023-11-17 22:46:38,325 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:46:38" (1/1) ... [2023-11-17 22:46:38,336 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:46:38" (1/1) ... [2023-11-17 22:46:38,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:46:38" (1/1) ... [2023-11-17 22:46:38,363 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:46:38" (1/1) ... [2023-11-17 22:46:38,365 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:46:38" (1/1) ... [2023-11-17 22:46:38,370 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 22:46:38,371 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 22:46:38,371 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 22:46:38,371 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 22:46:38,372 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:46:38" (1/1) ... [2023-11-17 22:46:38,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 22:46:38,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f49cdff-cb14-4323-bd5c-f69275757f96/bin/ugemcutter-verify-ztSkJzofpW/z3 [2023-11-17 22:46:38,416 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f49cdff-cb14-4323-bd5c-f69275757f96/bin/ugemcutter-verify-ztSkJzofpW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-17 22:46:38,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f49cdff-cb14-4323-bd5c-f69275757f96/bin/ugemcutter-verify-ztSkJzofpW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-17 22:46:38,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 22:46:38,451 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-11-17 22:46:38,452 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-11-17 22:46:38,452 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-17 22:46:38,452 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-17 22:46:38,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 22:46:38,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-17 22:46:38,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 22:46:38,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 22:46:38,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 22:46:38,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 22:46:38,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-17 22:46:38,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 22:46:38,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 22:46:38,457 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 22:46:38,612 INFO L236 CfgBuilder]: Building ICFG [2023-11-17 22:46:38,614 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 22:46:38,811 INFO L277 CfgBuilder]: Performing block encoding [2023-11-17 22:46:38,820 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 22:46:38,821 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-17 22:46:38,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 10:46:38 BoogieIcfgContainer [2023-11-17 22:46:38,825 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 22:46:38,827 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 22:46:38,828 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 22:46:38,831 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 22:46:38,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 10:46:37" (1/3) ... [2023-11-17 22:46:38,832 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3184853f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 10:46:38, skipping insertion in model container [2023-11-17 22:46:38,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:46:38" (2/3) ... [2023-11-17 22:46:38,832 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3184853f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 10:46:38, skipping insertion in model container [2023-11-17 22:46:38,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 10:46:38" (3/3) ... [2023-11-17 22:46:38,834 INFO L112 eAbstractionObserver]: Analyzing ICFG szymanski.i [2023-11-17 22:46:38,844 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-17 22:46:38,855 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 22:46:38,855 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-17 22:46:38,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3184853f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 10:46:38, skipping insertion in model container [2023-11-17 22:46:38,857 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 22:46:38,858 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-17 22:46:38,858 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-17 22:46:38,858 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-17 22:46:38,859 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 10:46:38" (3/3) ... [2023-11-17 22:46:38,861 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-17 22:46:38,866 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2023-11-17 22:46:38,866 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2023-11-17 22:46:38,870 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-17 22:46:38,870 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-17 22:46:38,871 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-17 22:46:38,871 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-17 22:46:38,957 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f49cdff-cb14-4323-bd5c-f69275757f96/bin/ugemcutter-verify-ztSkJzofpW/witness.graphml [2023-11-17 22:46:38,958 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f49cdff-cb14-4323-bd5c-f69275757f96/bin/ugemcutter-verify-ztSkJzofpW/witness.yml [2023-11-17 22:46:38,958 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-17 22:46:38,960 INFO L158 Benchmark]: Toolchain (without parser) took 1399.60ms. Allocated memory is still 151.0MB. Free memory was 106.8MB in the beginning and 60.0MB in the end (delta: 46.8MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-17 22:46:38,960 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 124.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-17 22:46:38,961 INFO L158 Benchmark]: CACSL2BoogieTranslator took 694.43ms. Allocated memory is still 151.0MB. Free memory was 106.1MB in the beginning and 85.8MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-17 22:46:38,961 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.90ms. Allocated memory is still 151.0MB. Free memory was 85.8MB in the beginning and 83.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-17 22:46:38,962 INFO L158 Benchmark]: Boogie Preprocessor took 60.75ms. Allocated memory is still 151.0MB. Free memory was 83.7MB in the beginning and 82.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-17 22:46:38,963 INFO L158 Benchmark]: RCFGBuilder took 453.78ms. Allocated memory is still 151.0MB. Free memory was 82.2MB in the beginning and 66.9MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-17 22:46:38,963 INFO L158 Benchmark]: TraceAbstraction took 29.60ms. Allocated memory is still 151.0MB. Free memory was 66.3MB in the beginning and 64.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-17 22:46:38,964 INFO L158 Benchmark]: Witness Printer took 100.37ms. Allocated memory is still 151.0MB. Free memory was 64.1MB in the beginning and 60.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-17 22:46:38,967 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 124.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 694.43ms. Allocated memory is still 151.0MB. Free memory was 106.1MB in the beginning and 85.8MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.90ms. Allocated memory is still 151.0MB. Free memory was 85.8MB in the beginning and 83.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.75ms. Allocated memory is still 151.0MB. Free memory was 83.7MB in the beginning and 82.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 453.78ms. Allocated memory is still 151.0MB. Free memory was 82.2MB in the beginning and 66.9MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 29.60ms. Allocated memory is still 151.0MB. Free memory was 66.3MB in the beginning and 64.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 100.37ms. Allocated memory is still 151.0MB. Free memory was 64.1MB in the beginning and 60.0MB in the end (delta: 4.2MB). 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 22:46:39,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f49cdff-cb14-4323-bd5c-f69275757f96/bin/ugemcutter-verify-ztSkJzofpW/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