./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_58-singlethreaded-lock_true.i --full-output --traceabstraction.positions.where.we.compute.the.hoare.annotation All --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 273a578a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_58-singlethreaded-lock_true.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 811283da42f041f661ad39ef0db24fe32e892a6fe6ea5c83dd87a01de44d8628 --traceabstraction.positions.where.we.compute.the.hoare.annotation All --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.owicki-witnesses-273a578-m [2024-02-19 14:17:36,771 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-19 14:17:36,827 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-19 14:17:36,835 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-19 14:17:36,835 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-19 14:17:36,865 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-19 14:17:36,866 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-19 14:17:36,866 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-19 14:17:36,867 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-19 14:17:36,870 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-19 14:17:36,870 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-19 14:17:36,870 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-19 14:17:36,871 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-19 14:17:36,872 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-19 14:17:36,872 INFO L153 SettingsManager]: * Use SBE=true [2024-02-19 14:17:36,872 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-19 14:17:36,872 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-19 14:17:36,873 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-19 14:17:36,873 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-19 14:17:36,873 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-19 14:17:36,873 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-19 14:17:36,874 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-19 14:17:36,874 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-19 14:17:36,874 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-19 14:17:36,875 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-19 14:17:36,875 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-19 14:17:36,875 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-19 14:17:36,875 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-19 14:17:36,876 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-19 14:17:36,876 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-19 14:17:36,877 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-19 14:17:36,877 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-19 14:17:36,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-19 14:17:36,877 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-19 14:17:36,878 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-19 14:17:36,878 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-19 14:17:36,878 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-19 14:17:36,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-19 14:17:36,879 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-19 14:17:36,879 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-19 14:17:36,879 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-19 14:17:36,879 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-19 14:17:36,879 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-19 14:17:36,880 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 811283da42f041f661ad39ef0db24fe32e892a6fe6ea5c83dd87a01de44d8628 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All [2024-02-19 14:17:37,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-19 14:17:37,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-19 14:17:37,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-19 14:17:37,198 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-19 14:17:37,198 INFO L274 PluginConnector]: CDTParser initialized [2024-02-19 14:17:37,199 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_58-singlethreaded-lock_true.i [2024-02-19 14:17:38,334 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-19 14:17:38,537 INFO L384 CDTParser]: Found 1 translation units. [2024-02-19 14:17:38,538 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_58-singlethreaded-lock_true.i [2024-02-19 14:17:38,553 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70d0d3120/17a87f0a77334d3687aa59e914333575/FLAGc4ce1f83b [2024-02-19 14:17:38,563 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70d0d3120/17a87f0a77334d3687aa59e914333575 [2024-02-19 14:17:38,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-19 14:17:38,566 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-02-19 14:17:38,567 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-19 14:17:38,567 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-19 14:17:38,579 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-19 14:17:38,580 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 02:17:38" (1/1) ... [2024-02-19 14:17:38,580 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@773d7ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:17:38, skipping insertion in model container [2024-02-19 14:17:38,580 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 02:17:38" (1/1) ... [2024-02-19 14:17:38,621 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-02-19 14:17:38,756 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_58-singlethreaded-lock_true.i[1096,1109] [2024-02-19 14:17:38,896 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-19 14:17:38,915 INFO L202 MainTranslator]: Completed pre-run [2024-02-19 14:17:38,926 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_58-singlethreaded-lock_true.i[1096,1109] [2024-02-19 14:17:38,953 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-19 14:17:38,991 INFO L206 MainTranslator]: Completed translation [2024-02-19 14:17:38,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:17:38 WrapperNode [2024-02-19 14:17:38,992 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-19 14:17:38,993 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-19 14:17:38,993 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-19 14:17:38,993 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-19 14:17:38,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:17:38" (1/1) ... [2024-02-19 14:17:39,023 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:17:38" (1/1) ... [2024-02-19 14:17:39,040 INFO L138 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 47 [2024-02-19 14:17:39,040 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-19 14:17:39,041 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-19 14:17:39,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-19 14:17:39,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-19 14:17:39,049 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:17:38" (1/1) ... [2024-02-19 14:17:39,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:17:38" (1/1) ... [2024-02-19 14:17:39,053 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:17:38" (1/1) ... [2024-02-19 14:17:39,071 INFO L175 MemorySlicer]: Split 8 memory accesses to 3 slices as follows [2, 5, 1]. 63 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5, 0]. The 1 writes are split as follows [0, 0, 1]. [2024-02-19 14:17:39,071 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:17:38" (1/1) ... [2024-02-19 14:17:39,071 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:17:38" (1/1) ... [2024-02-19 14:17:39,082 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:17:38" (1/1) ... [2024-02-19 14:17:39,084 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:17:38" (1/1) ... [2024-02-19 14:17:39,092 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:17:38" (1/1) ... [2024-02-19 14:17:39,094 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:17:38" (1/1) ... [2024-02-19 14:17:39,100 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-19 14:17:39,101 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-19 14:17:39,102 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-19 14:17:39,102 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-19 14:17:39,102 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:17:38" (1/1) ... [2024-02-19 14:17:39,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-19 14:17:39,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-19 14:17:39,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-19 14:17:39,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-19 14:17:39,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-19 14:17:39,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-19 14:17:39,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-19 14:17:39,205 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-02-19 14:17:39,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-19 14:17:39,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-19 14:17:39,205 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-02-19 14:17:39,205 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-02-19 14:17:39,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-19 14:17:39,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-19 14:17:39,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-19 14:17:39,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-19 14:17:39,206 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-02-19 14:17:39,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-19 14:17:39,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-19 14:17:39,208 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-19 14:17:39,386 INFO L244 CfgBuilder]: Building ICFG [2024-02-19 14:17:39,392 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-19 14:17:39,524 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-19 14:17:39,525 INFO L293 CfgBuilder]: Performing block encoding [2024-02-19 14:17:39,575 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-19 14:17:39,576 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-19 14:17:39,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 02:17:39 BoogieIcfgContainer [2024-02-19 14:17:39,576 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-19 14:17:39,577 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-19 14:17:39,578 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-19 14:17:39,580 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-19 14:17:39,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 02:17:38" (1/3) ... [2024-02-19 14:17:39,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32cb0737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 02:17:39, skipping insertion in model container [2024-02-19 14:17:39,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:17:38" (2/3) ... [2024-02-19 14:17:39,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32cb0737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 02:17:39, skipping insertion in model container [2024-02-19 14:17:39,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 02:17:39" (3/3) ... [2024-02-19 14:17:39,582 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_58-singlethreaded-lock_true.i [2024-02-19 14:17:39,594 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-19 14:17:39,595 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-02-19 14:17:39,595 INFO L631 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-19 14:17:39,612 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-19 14:17:39,635 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 19 places, 16 transitions, 36 flow [2024-02-19 14:17:39,650 INFO L124 PetriNetUnfolderBase]: 1/15 cut-off events. [2024-02-19 14:17:39,651 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-19 14:17:39,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19 conditions, 15 events. 1/15 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 7 event pairs, 0 based on Foata normal form. 0/13 useless extension candidates. Maximal degree in co-relation 7. Up to 2 conditions per place. [2024-02-19 14:17:39,653 INFO L82 GeneralOperation]: Start removeDead. Operand has 19 places, 16 transitions, 36 flow [2024-02-19 14:17:39,655 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 16 places, 12 transitions, 27 flow [2024-02-19 14:17:39,661 INFO L368 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-19 14:17:39,666 INFO L369 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@375d6b9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-19 14:17:39,667 INFO L370 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-02-19 14:17:39,671 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-19 14:17:39,671 INFO L124 PetriNetUnfolderBase]: 0/11 cut-off events. [2024-02-19 14:17:39,672 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-19 14:17:39,672 INFO L226 CegarLoopForPetriNet]: Found error trace [2024-02-19 14:17:39,672 INFO L234 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-19 14:17:39,673 INFO L432 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-02-19 14:17:39,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-19 14:17:39,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1149647512, now seen corresponding path program 1 times [2024-02-19 14:17:39,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-19 14:17:39,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126537027] [2024-02-19 14:17:39,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-19 14:17:39,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-19 14:17:39,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-19 14:17:39,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-19 14:17:39,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-19 14:17:39,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126537027] [2024-02-19 14:17:39,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126537027] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-19 14:17:39,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-19 14:17:39,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-19 14:17:39,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126443857] [2024-02-19 14:17:39,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-19 14:17:39,956 INFO L584 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-19 14:17:39,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-19 14:17:40,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-19 14:17:40,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-19 14:17:40,015 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 16 [2024-02-19 14:17:40,018 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 16 places, 12 transitions, 27 flow. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-19 14:17:40,018 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-19 14:17:40,018 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 16 [2024-02-19 14:17:40,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-19 14:17:40,074 INFO L124 PetriNetUnfolderBase]: 1/12 cut-off events. [2024-02-19 14:17:40,074 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-19 14:17:40,074 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 12 events. 1/12 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 3 event pairs, 0 based on Foata normal form. 2/14 useless extension candidates. Maximal degree in co-relation 8. Up to 10 conditions per place. [2024-02-19 14:17:40,075 INFO L140 encePairwiseOnDemand]: 14/16 looper letters, 0 selfloop transitions, 0 changer transitions 11/11 dead transitions. [2024-02-19 14:17:40,076 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 16 places, 11 transitions, 47 flow [2024-02-19 14:17:40,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-19 14:17:40,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-19 14:17:40,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2024-02-19 14:17:40,084 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.375 [2024-02-19 14:17:40,087 INFO L308 CegarLoopForPetriNet]: 16 programPoint places, 0 predicate places. [2024-02-19 14:17:40,087 INFO L507 AbstractCegarLoop]: Abstraction has has 16 places, 11 transitions, 47 flow [2024-02-19 14:17:40,088 INFO L508 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-19 14:17:40,089 INFO L818 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-02-19 14:17:40,090 INFO L818 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-02-19 14:17:40,090 WARN L489 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-19 14:17:40,106 INFO L644 CegarLoopForPetriNet]: Computed Owicki-Gries annotation of size 819 in 15520432ns [2024-02-19 14:17:40,107 INFO L457 BasicCegarLoop]: Path program histogram: [1] [2024-02-19 14:17:40,110 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-19 14:17:40,131 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-02-19 14:17:40,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 02:17:40 BasicIcfg [2024-02-19 14:17:40,136 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-19 14:17:40,137 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-02-19 14:17:40,137 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-02-19 14:17:40,137 INFO L274 PluginConnector]: Witness Printer initialized [2024-02-19 14:17:40,138 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 02:17:39" (3/4) ... [2024-02-19 14:17:40,139 INFO L137 WitnessPrinter]: Generating witness for correct program [2024-02-19 14:17:40,142 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-02-19 14:17:40,144 INFO L959 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-02-19 14:17:40,144 INFO L959 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-02-19 14:17:40,144 INFO L959 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-02-19 14:17:40,144 INFO L959 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-02-19 14:17:40,219 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-02-19 14:17:40,225 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-02-19 14:17:40,225 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-02-19 14:17:40,225 INFO L158 Benchmark]: Toolchain (without parser) took 1659.55ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 35.8MB in the beginning and 76.4MB in the end (delta: -40.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-19 14:17:40,226 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 52.4MB. Free memory was 30.5MB in the beginning and 30.4MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-19 14:17:40,226 INFO L158 Benchmark]: CACSL2BoogieTranslator took 425.33ms. Allocated memory is still 79.7MB. Free memory was 35.8MB in the beginning and 43.3MB in the end (delta: -7.6MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2024-02-19 14:17:40,226 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.41ms. Allocated memory is still 79.7MB. Free memory was 43.3MB in the beginning and 41.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-19 14:17:40,226 INFO L158 Benchmark]: Boogie Preprocessor took 59.46ms. Allocated memory is still 79.7MB. Free memory was 41.6MB in the beginning and 39.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-19 14:17:40,227 INFO L158 Benchmark]: RCFGBuilder took 475.20ms. Allocated memory is still 79.7MB. Free memory was 39.5MB in the beginning and 50.3MB in the end (delta: -10.8MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2024-02-19 14:17:40,227 INFO L158 Benchmark]: TraceAbstraction took 559.10ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 49.8MB in the beginning and 82.0MB in the end (delta: -32.1MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2024-02-19 14:17:40,227 INFO L158 Benchmark]: Witness Printer took 87.80ms. Allocated memory is still 113.2MB. Free memory was 82.0MB in the beginning and 76.4MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-19 14:17:40,229 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 52.4MB. Free memory was 30.5MB in the beginning and 30.4MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 425.33ms. Allocated memory is still 79.7MB. Free memory was 35.8MB in the beginning and 43.3MB in the end (delta: -7.6MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.41ms. Allocated memory is still 79.7MB. Free memory was 43.3MB in the beginning and 41.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.46ms. Allocated memory is still 79.7MB. Free memory was 41.6MB in the beginning and 39.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 475.20ms. Allocated memory is still 79.7MB. Free memory was 39.5MB in the beginning and 50.3MB in the end (delta: -10.8MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * TraceAbstraction took 559.10ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 49.8MB in the beginning and 82.0MB in the end (delta: -32.1MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. * Witness Printer took 87.80ms. Allocated memory is still 113.2MB. Free memory was 82.0MB in the beginning and 76.4MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: (((((((((((((((!(v_np5_1) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np3_1) && !(v_np13_1)) && !(v_np11_1)) && !(v_np4_1)) && !(v_np14_1)) && !(v_np15_1)) && v_np10_1) && !(v_np7_1)) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: (((((((((((((((!(v_np5_1) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np8_1) && !(v_np13_1)) && !(v_np11_1)) && !(v_np4_1)) && !(v_np14_1)) && !(v_np15_1)) && v_np10_1) && !(v_np3_1)) && !(v_np7_1)) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: (((((((((((((((!(v_np5_1) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np6_1)) && !(v_np1_1)) && v_np0_1) && !(v_np13_1)) && !(v_np11_1)) && !(v_np4_1)) && !(v_np14_1)) && !(v_np15_1)) && v_np10_1) && !(v_np3_1)) && !(v_np7_1)) - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: (((((((((((((((!(v_np5_1) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np6_1)) && !(v_np0_1)) && v_np1_1) && !(v_np13_1)) && !(v_np11_1)) && !(v_np4_1)) && !(v_np14_1)) && !(v_np15_1)) && v_np10_1) && !(v_np3_1)) && !(v_np7_1)) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: (((((((((((((((((!(v_np5_1) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && !((cond == 0))) && v_np7_1) && !(v_np13_1)) && !(v_np4_1)) && !(v_np14_1)) && v_np15_1) && v_np11_1) && !(v_np3_1)) || ((((((((((((((((!(v_np5_1) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && !((cond == 0))) && v_np4_1) && v_np7_1) && !(v_np13_1)) && !(v_np14_1)) && !(v_np15_1)) && v_np11_1) && !(v_np3_1))) - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: (((((((((((((((!(v_np5_1) && !(v_np9_1)) && !(v_np2_1)) && !(v_np8_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && !(v_np13_1)) && !(v_np11_1)) && !(v_np4_1)) && !(v_np14_1)) && !(v_np15_1)) && v_np10_1) && v_np12_1) && !(v_np3_1)) && !(v_np7_1)) - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: ((((((((((((((((!(v_np5_1) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np4_1) && !(v_np13_1)) && !(v_np15_1)) && v_np14_1) && v_np11_1) && !(v_np3_1)) && !(v_np7_1)) || (((((((((((((((!(v_np5_1) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && !(v_np13_1)) && !(v_np4_1)) && v_np15_1) && v_np14_1) && v_np11_1) && !(v_np3_1)) && !(v_np7_1))) - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: (((((((((((((((!(v_np9_1) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np5_1) && !(v_np13_1)) && !(v_np11_1)) && !(v_np4_1)) && !(v_np14_1)) && !(v_np15_1)) && v_np10_1) && !(v_np3_1)) && !(v_np7_1)) - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: (((((((((((((((!(v_np5_1) && !(v_np9_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np2_1) && !(v_np13_1)) && !(v_np11_1)) && !(v_np4_1)) && !(v_np14_1)) && !(v_np15_1)) && v_np10_1) && !(v_np3_1)) && !(v_np7_1)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: (((((((((((((((!(v_np5_1) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np9_1) && !(v_np13_1)) && !(v_np11_1)) && !(v_np4_1)) && !(v_np14_1)) && !(v_np15_1)) && v_np10_1) && !(v_np3_1)) && !(v_np7_1)) - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: (((((((((((((((((!(v_np5_1) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np7_1) && !(v_np13_1)) && !(v_np4_1)) && !(v_np14_1)) && v_np15_1) && v_np11_1) && !(v_np3_1)) && !((ULTIMATE.start___VERIFIER_assert_~cond#1~ghost == 0))) || (((((((((((((((!(v_np5_1) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && !(v_np13_1)) && !(v_np4_1)) && v_np15_1) && v_np14_1) && v_np11_1) && !(v_np3_1)) && !(v_np7_1))) - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: ((((((((((((((((!(v_np5_1) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np4_1) && !(v_np13_1)) && !(v_np15_1)) && v_np14_1) && v_np11_1) && !(v_np3_1)) && !(v_np7_1)) || ((((((((((((((((!(v_np5_1) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np4_1) && v_np7_1) && !(v_np13_1)) && !(v_np14_1)) && !(v_np15_1)) && v_np11_1) && !(v_np3_1)) && !((ULTIMATE.start___VERIFIER_assert_~cond#1~ghost == 0)))) - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 0 mSDtfsCounter, 21 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=1, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-02-19 14:17:40,280 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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