./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/01b_inc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_68f59212-7de3-4e77-bdcc-bb70e693fc95/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f59212-7de3-4e77-bdcc-bb70e693fc95/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f59212-7de3-4e77-bdcc-bb70e693fc95/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f59212-7de3-4e77-bdcc-bb70e693fc95/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/01b_inc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f59212-7de3-4e77-bdcc-bb70e693fc95/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f59212-7de3-4e77-bdcc-bb70e693fc95/bin/uautomizer-verify-bycVGegfSx --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 a50cd99e32ae608752174b749acce795b64973c8c13edb78d7146b3ab3630fc9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:23:55,996 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:23:56,067 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f59212-7de3-4e77-bdcc-bb70e693fc95/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-21 22:23:56,073 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:23:56,073 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:23:56,101 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:23:56,102 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:23:56,102 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:23:56,103 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:23:56,104 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:23:56,104 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:23:56,105 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:23:56,106 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:23:56,107 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:23:56,107 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:23:56,108 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:23:56,116 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:23:56,117 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:23:56,118 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:23:56,118 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:23:56,119 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:23:56,125 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:23:56,125 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:23:56,126 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:23:56,126 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 22:23:56,126 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:23:56,127 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:23:56,127 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:23:56,128 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:23:56,128 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:23:56,129 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:23:56,129 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:23:56,130 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:23:56,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:23:56,131 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:23:56,131 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:23:56,133 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:23:56,134 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:23:56,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:23:56,135 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:23:56,136 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:23:56,137 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:23:56,137 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:23:56,138 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:23:56,138 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_68f59212-7de3-4e77-bdcc-bb70e693fc95/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f59212-7de3-4e77-bdcc-bb70e693fc95/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a50cd99e32ae608752174b749acce795b64973c8c13edb78d7146b3ab3630fc9 [2023-11-21 22:23:56,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:23:56,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:23:56,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:23:56,486 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:23:56,487 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:23:56,489 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f59212-7de3-4e77-bdcc-bb70e693fc95/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/pthread-ext/01b_inc.i [2023-11-21 22:23:59,680 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:24:00,011 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:24:00,012 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f59212-7de3-4e77-bdcc-bb70e693fc95/sv-benchmarks/c/pthread-ext/01b_inc.i [2023-11-21 22:24:00,034 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f59212-7de3-4e77-bdcc-bb70e693fc95/bin/uautomizer-verify-bycVGegfSx/data/76287a6cd/9302be240cb542d2b2295e9981e39dd7/FLAG12bdfb247 [2023-11-21 22:24:00,054 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f59212-7de3-4e77-bdcc-bb70e693fc95/bin/uautomizer-verify-bycVGegfSx/data/76287a6cd/9302be240cb542d2b2295e9981e39dd7 [2023-11-21 22:24:00,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:24:00,068 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:24:00,070 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:24:00,070 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:24:00,076 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:24:00,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:24:00" (1/1) ... [2023-11-21 22:24:00,078 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e5ed7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:00, skipping insertion in model container [2023-11-21 22:24:00,078 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:24:00" (1/1) ... [2023-11-21 22:24:00,150 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:24:00,361 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 22:24:00,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:24:00,607 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:24:00,644 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 22:24:00,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:24:00,719 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:24:00,720 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:24:00,720 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:24:00,728 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:24:00,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:00 WrapperNode [2023-11-21 22:24:00,729 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:24:00,730 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:24:00,730 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:24:00,730 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:24:00,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:00" (1/1) ... [2023-11-21 22:24:00,769 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:00" (1/1) ... [2023-11-21 22:24:00,801 INFO L138 Inliner]: procedures = 173, calls = 21, calls flagged for inlining = 8, calls inlined = 9, statements flattened = 64 [2023-11-21 22:24:00,801 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:24:00,802 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:24:00,802 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:24:00,803 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:24:00,814 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:00" (1/1) ... [2023-11-21 22:24:00,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:00" (1/1) ... [2023-11-21 22:24:00,817 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:00" (1/1) ... [2023-11-21 22:24:00,827 INFO L187 HeapSplitter]: Split 3 memory accesses to 2 slices as follows [2, 1] [2023-11-21 22:24:00,827 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:00" (1/1) ... [2023-11-21 22:24:00,828 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:00" (1/1) ... [2023-11-21 22:24:00,834 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:00" (1/1) ... [2023-11-21 22:24:00,838 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:00" (1/1) ... [2023-11-21 22:24:00,840 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:00" (1/1) ... [2023-11-21 22:24:00,841 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:00" (1/1) ... [2023-11-21 22:24:00,844 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:24:00,845 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:24:00,845 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:24:00,846 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:24:00,846 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:00" (1/1) ... [2023-11-21 22:24:00,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:24:00,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f59212-7de3-4e77-bdcc-bb70e693fc95/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:24:00,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f59212-7de3-4e77-bdcc-bb70e693fc95/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:24:00,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f59212-7de3-4e77-bdcc-bb70e693fc95/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:24:00,924 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-21 22:24:00,924 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-21 22:24:00,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 22:24:00,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 22:24:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 22:24:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:24:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:24:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:24:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:24:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 22:24:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 22:24:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:24:00,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:24:00,928 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 22:24:01,054 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:24:01,057 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:24:01,234 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:24:01,376 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:24:01,377 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:24:01,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:24:01 BoogieIcfgContainer [2023-11-21 22:24:01,378 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:24:01,381 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:24:01,382 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:24:01,385 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:24:01,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:24:00" (1/3) ... [2023-11-21 22:24:01,386 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ca74998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:24:01, skipping insertion in model container [2023-11-21 22:24:01,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:24:00" (2/3) ... [2023-11-21 22:24:01,387 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ca74998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:24:01, skipping insertion in model container [2023-11-21 22:24:01,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:24:01" (3/3) ... [2023-11-21 22:24:01,388 INFO L112 eAbstractionObserver]: Analyzing ICFG 01b_inc.i [2023-11-21 22:24:01,397 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 22:24:01,408 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:24:01,408 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-21 22:24:01,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ca74998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:24:01, skipping insertion in model container [2023-11-21 22:24:01,410 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:24:01,411 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:24:01,411 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:24:01,411 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:24:01,412 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:24:01" (3/3) ... [2023-11-21 22:24:01,414 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:24:01,418 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2023-11-21 22:24:01,421 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-21 22:24:01,422 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-21 22:24:01,422 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-21 22:24:01,440 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-21 22:24:01,555 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f59212-7de3-4e77-bdcc-bb70e693fc95/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:24:01,556 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f59212-7de3-4e77-bdcc-bb70e693fc95/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:24:01,556 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:24:01,557 INFO L158 Benchmark]: Toolchain (without parser) took 1488.85ms. Allocated memory is still 180.4MB. Free memory was 134.4MB in the beginning and 146.5MB in the end (delta: -12.1MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2023-11-21 22:24:01,558 INFO L158 Benchmark]: CDTParser took 1.38ms. Allocated memory is still 180.4MB. Free memory is still 156.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:24:01,558 INFO L158 Benchmark]: CACSL2BoogieTranslator took 658.91ms. Allocated memory is still 180.4MB. Free memory was 134.1MB in the beginning and 114.2MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 22:24:01,559 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.68ms. Allocated memory is still 180.4MB. Free memory was 114.2MB in the beginning and 112.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:24:01,559 INFO L158 Benchmark]: Boogie Preprocessor took 42.23ms. Allocated memory is still 180.4MB. Free memory was 112.1MB in the beginning and 110.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:24:01,560 INFO L158 Benchmark]: RCFGBuilder took 533.40ms. Allocated memory is still 180.4MB. Free memory was 110.0MB in the beginning and 91.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 22:24:01,561 INFO L158 Benchmark]: TraceAbstraction took 28.48ms. Allocated memory is still 180.4MB. Free memory was 90.4MB in the beginning and 88.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:24:01,561 INFO L158 Benchmark]: Witness Printer took 145.18ms. Allocated memory is still 180.4MB. Free memory was 88.3MB in the beginning and 146.5MB in the end (delta: -58.2MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2023-11-21 22:24:01,565 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.38ms. Allocated memory is still 180.4MB. Free memory is still 156.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 658.91ms. Allocated memory is still 180.4MB. Free memory was 134.1MB in the beginning and 114.2MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.68ms. Allocated memory is still 180.4MB. Free memory was 114.2MB in the beginning and 112.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.23ms. Allocated memory is still 180.4MB. Free memory was 112.1MB in the beginning and 110.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 533.40ms. Allocated memory is still 180.4MB. Free memory was 110.0MB in the beginning and 91.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 28.48ms. Allocated memory is still 180.4MB. Free memory was 90.4MB in the beginning and 88.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 145.18ms. Allocated memory is still 180.4MB. Free memory was 88.3MB in the beginning and 146.5MB in the end (delta: -58.2MB). Peak memory consumption was 8.3MB. 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! [2023-11-21 22:24:01,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68f59212-7de3-4e77-bdcc-bb70e693fc95/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE