./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/31_simple_loop5_vs-pthread.i --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_569aba9e-c12a-4511-ba6f-03a16d7a69d3/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569aba9e-c12a-4511-ba6f-03a16d7a69d3/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569aba9e-c12a-4511-ba6f-03a16d7a69d3/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569aba9e-c12a-4511-ba6f-03a16d7a69d3/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/31_simple_loop5_vs-pthread.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569aba9e-c12a-4511-ba6f-03a16d7a69d3/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569aba9e-c12a-4511-ba6f-03a16d7a69d3/bin/uautomizer-verify-VRDe98Ueme --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 389f5b7d6579b5ac06564f3c82f3f69fea502868b761df6187d49f96e1a317cd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:01:07,508 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:01:07,617 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569aba9e-c12a-4511-ba6f-03a16d7a69d3/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-26 12:01:07,627 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:01:07,627 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:01:07,668 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:01:07,668 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:01:07,669 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:01:07,670 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:01:07,675 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:01:07,676 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:01:07,676 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:01:07,677 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:01:07,679 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:01:07,680 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:01:07,680 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:01:07,681 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:01:07,681 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:01:07,681 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:01:07,682 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:01:07,682 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:01:07,683 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:01:07,683 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:01:07,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:01:07,684 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 12:01:07,684 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 12:01:07,685 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:01:07,685 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:01:07,686 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:01:07,687 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:01:07,688 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:01:07,688 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:01:07,689 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:01:07,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:01:07,689 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:01:07,689 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:01:07,690 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:01:07,690 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:01:07,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:01:07,690 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:01:07,690 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:01:07,691 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:01:07,691 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:01:07,691 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:01:07,692 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_569aba9e-c12a-4511-ba6f-03a16d7a69d3/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569aba9e-c12a-4511-ba6f-03a16d7a69d3/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 389f5b7d6579b5ac06564f3c82f3f69fea502868b761df6187d49f96e1a317cd [2023-11-26 12:01:07,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:01:08,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:01:08,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:01:08,027 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:01:08,028 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:01:08,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569aba9e-c12a-4511-ba6f-03a16d7a69d3/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/pthread-ext/31_simple_loop5_vs-pthread.i [2023-11-26 12:01:11,277 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:01:11,590 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:01:11,590 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569aba9e-c12a-4511-ba6f-03a16d7a69d3/sv-benchmarks/c/pthread-ext/31_simple_loop5_vs-pthread.i [2023-11-26 12:01:11,610 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569aba9e-c12a-4511-ba6f-03a16d7a69d3/bin/uautomizer-verify-VRDe98Ueme/data/cd63317a3/f98f5db300054628b2307a34bf2563f0/FLAG4881d0c01 [2023-11-26 12:01:11,630 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569aba9e-c12a-4511-ba6f-03a16d7a69d3/bin/uautomizer-verify-VRDe98Ueme/data/cd63317a3/f98f5db300054628b2307a34bf2563f0 [2023-11-26 12:01:11,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:01:11,636 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:01:11,641 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:01:11,641 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:01:11,647 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:01:11,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:01:11" (1/1) ... [2023-11-26 12:01:11,649 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@619e5b57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:11, skipping insertion in model container [2023-11-26 12:01:11,649 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:01:11" (1/1) ... [2023-11-26 12:01:11,711 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:01:12,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:01:12,101 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:01:12,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:01:12,179 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:01:12,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:12 WrapperNode [2023-11-26 12:01:12,180 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:01:12,181 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:01:12,181 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:01:12,182 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:01:12,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:12" (1/1) ... [2023-11-26 12:01:12,203 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:12" (1/1) ... [2023-11-26 12:01:12,224 INFO L138 Inliner]: procedures = 163, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2023-11-26 12:01:12,225 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:01:12,226 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:01:12,226 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:01:12,226 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:01:12,237 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:12" (1/1) ... [2023-11-26 12:01:12,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:12" (1/1) ... [2023-11-26 12:01:12,241 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:12" (1/1) ... [2023-11-26 12:01:12,255 INFO L175 MemorySlicer]: Split 9 memory accesses to 3 slices as follows [2, 5, 2]. 56 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5, 0]. The 2 writes are split as follows [0, 0, 2]. [2023-11-26 12:01:12,255 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:12" (1/1) ... [2023-11-26 12:01:12,256 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:12" (1/1) ... [2023-11-26 12:01:12,268 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:12" (1/1) ... [2023-11-26 12:01:12,276 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:12" (1/1) ... [2023-11-26 12:01:12,285 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:12" (1/1) ... [2023-11-26 12:01:12,291 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:12" (1/1) ... [2023-11-26 12:01:12,294 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:01:12,302 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:01:12,303 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:01:12,303 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:01:12,304 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:12" (1/1) ... [2023-11-26 12:01:12,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:01:12,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569aba9e-c12a-4511-ba6f-03a16d7a69d3/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:12,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569aba9e-c12a-4511-ba6f-03a16d7a69d3/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:01:12,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569aba9e-c12a-4511-ba6f-03a16d7a69d3/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:01:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-11-26 12:01:12,388 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-11-26 12:01:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-26 12:01:12,388 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-26 12:01:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 12:01:12,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 12:01:12,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 12:01:12,389 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-26 12:01:12,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:01:12,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 12:01:12,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 12:01:12,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 12:01:12,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 12:01:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 12:01:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-26 12:01:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:01:12,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:01:12,393 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 12:01:12,534 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:01:12,536 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:01:12,688 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:01:12,833 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:01:12,833 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-26 12:01:12,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:01:12 BoogieIcfgContainer [2023-11-26 12:01:12,834 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:01:12,836 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:01:12,837 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:01:12,840 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:01:12,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:01:11" (1/3) ... [2023-11-26 12:01:12,841 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214f8b53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:01:12, skipping insertion in model container [2023-11-26 12:01:12,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:12" (2/3) ... [2023-11-26 12:01:12,841 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214f8b53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:01:12, skipping insertion in model container [2023-11-26 12:01:12,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:01:12" (3/3) ... [2023-11-26 12:01:12,843 INFO L112 eAbstractionObserver]: Analyzing ICFG 31_simple_loop5_vs-pthread.i [2023-11-26 12:01:12,852 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 12:01:12,868 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:01:12,869 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-26 12:01:12,870 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214f8b53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:01:12, skipping insertion in model container [2023-11-26 12:01:12,870 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 12:01:12,871 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 12:01:12,871 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 12:01:12,871 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 12:01:12,872 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:01:12" (3/3) ... [2023-11-26 12:01:12,874 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 12:01:12,877 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2023-11-26 12:01:12,877 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2023-11-26 12:01:12,881 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2023-11-26 12:01:12,882 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-26 12:01:12,882 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-26 12:01:12,882 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-26 12:01:12,984 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569aba9e-c12a-4511-ba6f-03a16d7a69d3/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 12:01:12,985 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569aba9e-c12a-4511-ba6f-03a16d7a69d3/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 12:01:12,985 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 12:01:12,987 INFO L158 Benchmark]: Toolchain (without parser) took 1351.96ms. Allocated memory is still 134.2MB. Free memory was 102.0MB in the beginning and 104.0MB in the end (delta: -2.0MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2023-11-26 12:01:12,987 INFO L158 Benchmark]: CDTParser took 2.27ms. Allocated memory is still 104.9MB. Free memory is still 57.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:01:12,988 INFO L158 Benchmark]: CACSL2BoogieTranslator took 539.87ms. Allocated memory is still 134.2MB. Free memory was 101.6MB in the beginning and 82.2MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-26 12:01:12,988 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.06ms. Allocated memory is still 134.2MB. Free memory was 82.2MB in the beginning and 80.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:01:12,989 INFO L158 Benchmark]: Boogie Preprocessor took 75.84ms. Allocated memory is still 134.2MB. Free memory was 80.1MB in the beginning and 78.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:01:12,989 INFO L158 Benchmark]: RCFGBuilder took 531.56ms. Allocated memory is still 134.2MB. Free memory was 78.1MB in the beginning and 55.9MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-26 12:01:12,990 INFO L158 Benchmark]: TraceAbstraction took 33.78ms. Allocated memory is still 134.2MB. Free memory was 55.4MB in the beginning and 53.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:01:12,990 INFO L158 Benchmark]: Witness Printer took 114.36ms. Allocated memory is still 134.2MB. Free memory was 53.1MB in the beginning and 104.0MB in the end (delta: -50.8MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2023-11-26 12:01:12,994 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.27ms. Allocated memory is still 104.9MB. Free memory is still 57.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 539.87ms. Allocated memory is still 134.2MB. Free memory was 101.6MB in the beginning and 82.2MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.06ms. Allocated memory is still 134.2MB. Free memory was 82.2MB in the beginning and 80.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.84ms. Allocated memory is still 134.2MB. Free memory was 80.1MB in the beginning and 78.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 531.56ms. Allocated memory is still 134.2MB. Free memory was 78.1MB in the beginning and 55.9MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 33.78ms. Allocated memory is still 134.2MB. Free memory was 55.4MB in the beginning and 53.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 114.36ms. Allocated memory is still 134.2MB. Free memory was 53.1MB in the beginning and 104.0MB in the end (delta: -50.8MB). Peak memory consumption was 10.2MB. 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! [2023-11-26 12:01:13,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569aba9e-c12a-4511-ba6f-03a16d7a69d3/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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