./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_46-refine-protected1_true.i --full-output --traceabstraction.positions.where.we.compute.the.hoare.annotation All --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 448d4d75 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_46-refine-protected1_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 3d12c74598447410478e04695104608e78da2e67734c0b49554aee2f95de0fed --traceabstraction.positions.where.we.compute.the.hoare.annotation All --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.owicki-witnesses-448d4d7-m [2024-02-20 11:36:28,101 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-20 11:36:28,203 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-20 11:36:28,207 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-20 11:36:28,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-20 11:36:28,231 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-20 11:36:28,232 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-20 11:36:28,232 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-20 11:36:28,233 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-20 11:36:28,236 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-20 11:36:28,236 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-20 11:36:28,237 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-20 11:36:28,237 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-20 11:36:28,238 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-20 11:36:28,239 INFO L153 SettingsManager]: * Use SBE=true [2024-02-20 11:36:28,239 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-20 11:36:28,239 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-20 11:36:28,239 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-20 11:36:28,240 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-20 11:36:28,240 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-20 11:36:28,240 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-20 11:36:28,240 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-20 11:36:28,241 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-20 11:36:28,241 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-20 11:36:28,241 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-20 11:36:28,241 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-20 11:36:28,241 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-20 11:36:28,242 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-20 11:36:28,243 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-20 11:36:28,243 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-20 11:36:28,244 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-20 11:36:28,244 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-20 11:36:28,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-20 11:36:28,245 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-20 11:36:28,245 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-20 11:36:28,245 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-20 11:36:28,245 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-20 11:36:28,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-20 11:36:28,246 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-20 11:36:28,246 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-20 11:36:28,246 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-20 11:36:28,246 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-20 11:36:28,246 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-20 11:36:28,247 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d12c74598447410478e04695104608e78da2e67734c0b49554aee2f95de0fed Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All [2024-02-20 11:36:28,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-20 11:36:28,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-20 11:36:28,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-20 11:36:28,488 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-20 11:36:28,489 INFO L274 PluginConnector]: CDTParser initialized [2024-02-20 11:36:28,490 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_46-refine-protected1_true.i [2024-02-20 11:36:29,545 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-20 11:36:29,783 INFO L384 CDTParser]: Found 1 translation units. [2024-02-20 11:36:29,786 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_46-refine-protected1_true.i [2024-02-20 11:36:29,803 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c567bb4f/9ce796ca18254ac0a33823505f0346da/FLAG3440f851f [2024-02-20 11:36:29,816 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c567bb4f/9ce796ca18254ac0a33823505f0346da [2024-02-20 11:36:29,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-20 11:36:29,819 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-02-20 11:36:29,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-20 11:36:29,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-20 11:36:29,825 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-20 11:36:29,826 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:36:29" (1/1) ... [2024-02-20 11:36:29,827 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17bf51ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:36:29, skipping insertion in model container [2024-02-20 11:36:29,827 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:36:29" (1/1) ... [2024-02-20 11:36:29,866 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-02-20 11:36:30,009 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_46-refine-protected1_true.i[1094,1107] [2024-02-20 11:36:30,175 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-20 11:36:30,185 INFO L202 MainTranslator]: Completed pre-run [2024-02-20 11:36:30,198 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_46-refine-protected1_true.i[1094,1107] [2024-02-20 11:36:30,223 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-20 11:36:30,263 INFO L206 MainTranslator]: Completed translation [2024-02-20 11:36:30,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:36:30 WrapperNode [2024-02-20 11:36:30,263 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-20 11:36:30,264 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-20 11:36:30,264 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-20 11:36:30,264 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-20 11:36:30,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:36:30" (1/1) ... [2024-02-20 11:36:30,279 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:36:30" (1/1) ... [2024-02-20 11:36:30,296 INFO L138 Inliner]: procedures = 163, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-02-20 11:36:30,298 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-20 11:36:30,299 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-20 11:36:30,299 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-20 11:36:30,299 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-20 11:36:30,307 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:36:30" (1/1) ... [2024-02-20 11:36:30,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:36:30" (1/1) ... [2024-02-20 11:36:30,323 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:36:30" (1/1) ... [2024-02-20 11:36:30,334 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]. [2024-02-20 11:36:30,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:36:30" (1/1) ... [2024-02-20 11:36:30,335 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:36:30" (1/1) ... [2024-02-20 11:36:30,338 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:36:30" (1/1) ... [2024-02-20 11:36:30,340 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:36:30" (1/1) ... [2024-02-20 11:36:30,347 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:36:30" (1/1) ... [2024-02-20 11:36:30,348 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:36:30" (1/1) ... [2024-02-20 11:36:30,350 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-20 11:36:30,351 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-20 11:36:30,351 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-20 11:36:30,351 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-20 11:36:30,352 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:36:30" (1/1) ... [2024-02-20 11:36:30,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-20 11:36:30,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-20 11:36:30,390 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) [2024-02-20 11:36:30,395 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 [2024-02-20 11:36:30,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-20 11:36:30,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-20 11:36:30,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-20 11:36:30,428 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-02-20 11:36:30,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-20 11:36:30,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-20 11:36:30,429 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-02-20 11:36:30,429 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-02-20 11:36:30,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-20 11:36:30,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-20 11:36:30,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-20 11:36:30,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-20 11:36:30,429 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-02-20 11:36:30,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-20 11:36:30,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-20 11:36:30,431 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-20 11:36:30,528 INFO L244 CfgBuilder]: Building ICFG [2024-02-20 11:36:30,529 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-20 11:36:30,668 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-20 11:36:30,668 INFO L293 CfgBuilder]: Performing block encoding [2024-02-20 11:36:30,723 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-20 11:36:30,723 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-20 11:36:30,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:36:30 BoogieIcfgContainer [2024-02-20 11:36:30,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-20 11:36:30,725 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-20 11:36:30,725 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-20 11:36:30,728 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-20 11:36:30,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 11:36:29" (1/3) ... [2024-02-20 11:36:30,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31c94f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:36:30, skipping insertion in model container [2024-02-20 11:36:30,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:36:30" (2/3) ... [2024-02-20 11:36:30,729 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31c94f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:36:30, skipping insertion in model container [2024-02-20 11:36:30,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:36:30" (3/3) ... [2024-02-20 11:36:30,731 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_46-refine-protected1_true.i [2024-02-20 11:36:30,744 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-20 11:36:30,745 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-02-20 11:36:30,745 INFO L635 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-20 11:36:30,762 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-20 11:36:30,783 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 26 places, 25 transitions, 54 flow [2024-02-20 11:36:30,804 INFO L124 PetriNetUnfolderBase]: 3/24 cut-off events. [2024-02-20 11:36:30,804 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-20 11:36:30,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28 conditions, 24 events. 3/24 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 24 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 22. Up to 2 conditions per place. [2024-02-20 11:36:30,806 INFO L82 GeneralOperation]: Start removeDead. Operand has 26 places, 25 transitions, 54 flow [2024-02-20 11:36:30,808 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 16 places, 12 transitions, 27 flow [2024-02-20 11:36:30,817 INFO L368 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-20 11:36:30,827 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;@3ce8fdc6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-20 11:36:30,827 INFO L370 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-02-20 11:36:30,834 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-20 11:36:30,836 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events. [2024-02-20 11:36:30,836 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-20 11:36:30,836 INFO L226 CegarLoopForPetriNet]: Found error trace [2024-02-20 11:36:30,837 INFO L234 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-02-20 11:36:30,837 INFO L432 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-02-20 11:36:30,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-20 11:36:30,841 INFO L85 PathProgramCache]: Analyzing trace with hash 365322056, now seen corresponding path program 1 times [2024-02-20 11:36:30,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-20 11:36:30,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512803656] [2024-02-20 11:36:30,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-20 11:36:30,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-20 11:36:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-20 11:36:31,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-20 11:36:31,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-20 11:36:31,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512803656] [2024-02-20 11:36:31,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512803656] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-20 11:36:31,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-20 11:36:31,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-20 11:36:31,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856796214] [2024-02-20 11:36:31,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-20 11:36:31,192 INFO L584 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-20 11:36:31,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-20 11:36:31,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-20 11:36:31,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-02-20 11:36:31,221 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 25 [2024-02-20 11:36:31,224 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 16 places, 12 transitions, 27 flow. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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) [2024-02-20 11:36:31,224 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-20 11:36:31,224 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 25 [2024-02-20 11:36:31,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-20 11:36:31,255 INFO L124 PetriNetUnfolderBase]: 3/14 cut-off events. [2024-02-20 11:36:31,255 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-20 11:36:31,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31 conditions, 14 events. 3/14 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 11 event pairs, 2 based on Foata normal form. 2/16 useless extension candidates. Maximal degree in co-relation 22. Up to 9 conditions per place. [2024-02-20 11:36:31,256 INFO L140 encePairwiseOnDemand]: 21/25 looper letters, 0 selfloop transitions, 0 changer transitions 8/8 dead transitions. [2024-02-20 11:36:31,256 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 14 places, 8 transitions, 33 flow [2024-02-20 11:36:31,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-20 11:36:31,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-20 11:36:31,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 29 transitions. [2024-02-20 11:36:31,266 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.29 [2024-02-20 11:36:31,270 INFO L308 CegarLoopForPetriNet]: 16 programPoint places, -2 predicate places. [2024-02-20 11:36:31,271 INFO L507 AbstractCegarLoop]: Abstraction has has 14 places, 8 transitions, 33 flow [2024-02-20 11:36:31,271 INFO L508 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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) [2024-02-20 11:36:31,273 INFO L818 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-02-20 11:36:31,274 INFO L818 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-02-20 11:36:31,274 INFO L818 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-02-20 11:36:31,274 WARN L489 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-20 11:36:31,301 INFO L644 CegarLoopForPetriNet]: Computed Owicki-Gries annotation of size 892 in 26370733ns [2024-02-20 11:36:31,303 INFO L457 BasicCegarLoop]: Path program histogram: [1] [2024-02-20 11:36:31,308 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-20 11:36:31,344 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-02-20 11:36:31,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 11:36:31 BasicIcfg [2024-02-20 11:36:31,357 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-20 11:36:31,359 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-02-20 11:36:31,359 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-02-20 11:36:31,359 INFO L274 PluginConnector]: Witness Printer initialized [2024-02-20 11:36:31,359 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:36:30" (3/4) ... [2024-02-20 11:36:31,361 INFO L137 WitnessPrinter]: Generating witness for correct program [2024-02-20 11:36:31,364 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-02-20 11:36:31,367 INFO L959 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-02-20 11:36:31,367 INFO L959 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-02-20 11:36:31,368 INFO L959 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-02-20 11:36:31,368 INFO L959 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-02-20 11:36:31,479 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-02-20 11:36:31,480 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-02-20 11:36:31,480 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-02-20 11:36:31,481 INFO L158 Benchmark]: Toolchain (without parser) took 1661.54ms. Allocated memory was 142.6MB in the beginning and 195.0MB in the end (delta: 52.4MB). Free memory was 70.0MB in the beginning and 140.5MB in the end (delta: -70.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-20 11:36:31,484 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 142.6MB. Free memory is still 94.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-20 11:36:31,485 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.34ms. Allocated memory is still 142.6MB. Free memory was 69.8MB in the beginning and 105.7MB in the end (delta: -35.9MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2024-02-20 11:36:31,485 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.31ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 103.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-20 11:36:31,485 INFO L158 Benchmark]: Boogie Preprocessor took 51.34ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 101.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-20 11:36:31,485 INFO L158 Benchmark]: RCFGBuilder took 372.88ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 82.1MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-02-20 11:36:31,486 INFO L158 Benchmark]: TraceAbstraction took 632.67ms. Allocated memory was 142.6MB in the beginning and 195.0MB in the end (delta: 52.4MB). Free memory was 81.1MB in the beginning and 146.8MB in the end (delta: -65.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-20 11:36:31,486 INFO L158 Benchmark]: Witness Printer took 121.54ms. Allocated memory is still 195.0MB. Free memory was 145.8MB in the beginning and 140.5MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-02-20 11:36:31,487 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 142.6MB. Free memory is still 94.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 442.34ms. Allocated memory is still 142.6MB. Free memory was 69.8MB in the beginning and 105.7MB in the end (delta: -35.9MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.31ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 103.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.34ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 101.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 372.88ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 82.1MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 632.67ms. Allocated memory was 142.6MB in the beginning and 195.0MB in the end (delta: 52.4MB). Free memory was 81.1MB in the beginning and 146.8MB in the end (delta: -65.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 121.54ms. Allocated memory is still 195.0MB. Free memory was 145.8MB in the beginning and 140.5MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. 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) && (g == 0)) && !(v_np9_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np3_1) && v_np2_1) && !(v_np13_1)) && !(v_np11_1)) && !(v_np4_1)) && !(v_np15_1)) && v_np14_1) && !(v_np7_1)) || ((((((((((((((((!(v_np5_1) && (g == 0)) && !(v_np9_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np7_1) && v_np2_1) && !(v_np13_1)) && !(v_np11_1)) && !(v_np4_1)) && !(v_np15_1)) && v_np14_1) && !(v_np3_1))) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: (((((((((((((((((!(v_np5_1) && (g == 0)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np6_1) && v_np3_1) && !(v_np13_1)) && !(v_np11_1)) && !(v_np4_1)) && !(v_np15_1)) && v_np14_1) && !(v_np7_1)) || ((((((((((((((((!(v_np5_1) && (g == 0)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np6_1) && v_np7_1) && !(v_np13_1)) && !(v_np11_1)) && !(v_np4_1)) && !(v_np15_1)) && v_np14_1) && !(v_np3_1))) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: ((((((((((((((((((!(v_np5_1) && (g == 0)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np0_1)) && !((cond == 0))) && v_np3_1) && v_np1_1) && !(v_np13_1)) && !(v_np11_1)) && !(v_np4_1)) && !(v_np15_1)) && v_np14_1) && !(v_np7_1)) || (((((((((((((((((!(v_np5_1) && (g == 0)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np0_1)) && !((cond == 0))) && v_np7_1) && v_np1_1) && !(v_np13_1)) && !(v_np11_1)) && !(v_np4_1)) && !(v_np15_1)) && v_np14_1) && !(v_np3_1))) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: (((((((((((((((((!(v_np5_1) && (g == 0)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np7_1) && !(v_np13_1)) && !(v_np11_1)) && !(v_np4_1)) && !(v_np15_1)) && v_np10_1) && v_np14_1) && !(v_np3_1)) || ((((((((((((((((!(v_np5_1) && (g == 0)) && !(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_np15_1)) && v_np10_1) && v_np14_1) && !(v_np7_1))) - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: ((((((((((((((((!(v_np5_1) && (g == 0)) && !(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_np11_1)) && !(v_np14_1)) && !(v_np15_1)) && v_np13_1) && !(v_np3_1)) && !(v_np7_1)) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: (((((((((((((((((!(v_np5_1) && (g == 0)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np3_1) && v_np9_1) && !(v_np13_1)) && !(v_np11_1)) && !(v_np4_1)) && !(v_np15_1)) && v_np14_1) && !(v_np7_1)) || ((((((((((((((((!(v_np5_1) && (g == 0)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np9_1) && v_np7_1) && !(v_np13_1)) && !(v_np11_1)) && !(v_np4_1)) && !(v_np15_1)) && v_np14_1) && !(v_np3_1))) - InvariantResult [Line: -1]: 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_np14_1)) && !(v_np15_1)) && v_np13_1) && v_np11_1) && !(v_np3_1)) && !(v_np7_1)) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: (((((((((((((((((((((!(v_np5_1) && (g == 0)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !((0 == ULTIMATE_start___VERIFIER_assert__cond_1__ghost))) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np0_1)) && v_np7_1) && v_np1_1) && !(v_np13_1)) && !(v_np11_1)) && !(v_np4_1)) && !(v_np15_1)) && v_np14_1) && !(v_np3_1)) || ((((((((((((((((!(v_np5_1) && (g == 0)) && !(v_np9_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np7_1) && v_np2_1) && !(v_np13_1)) && !(v_np11_1)) && !(v_np4_1)) && !(v_np15_1)) && v_np14_1) && !(v_np3_1))) || ((((((((((((((((!(v_np5_1) && (g == 0)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np7_1) && !(v_np13_1)) && !(v_np11_1)) && !(v_np4_1)) && !(v_np15_1)) && v_np10_1) && v_np14_1) && !(v_np3_1))) || ((((((((((((((((!(v_np5_1) && (g == 0)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np9_1) && v_np7_1) && !(v_np13_1)) && !(v_np11_1)) && !(v_np4_1)) && !(v_np15_1)) && v_np14_1) && !(v_np3_1))) || ((((((((((((((((!(v_np5_1) && (g == 0)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np6_1) && v_np7_1) && !(v_np13_1)) && !(v_np11_1)) && !(v_np4_1)) && !(v_np15_1)) && v_np14_1) && !(v_np3_1))) - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: (((((((((((((((((((((!(v_np5_1) && (g == 0)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !((0 == ULTIMATE_start___VERIFIER_assert__cond_1__ghost))) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np0_1)) && v_np3_1) && v_np1_1) && !(v_np13_1)) && !(v_np11_1)) && !(v_np4_1)) && !(v_np15_1)) && v_np14_1) && !(v_np7_1)) || ((((((((((((((((!(v_np5_1) && (g == 0)) && !(v_np9_1)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np6_1) && v_np3_1) && !(v_np13_1)) && !(v_np11_1)) && !(v_np4_1)) && !(v_np15_1)) && v_np14_1) && !(v_np7_1))) || ((((((((((((((((!(v_np5_1) && (g == 0)) && !(v_np2_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np3_1) && v_np9_1) && !(v_np13_1)) && !(v_np11_1)) && !(v_np4_1)) && !(v_np15_1)) && v_np14_1) && !(v_np7_1))) || ((((((((((((((((!(v_np5_1) && (g == 0)) && !(v_np9_1)) && !(v_np12_1)) && !(v_np8_1)) && !(v_np10_1)) && !(v_np6_1)) && !(v_np1_1)) && !(v_np0_1)) && v_np3_1) && v_np2_1) && !(v_np13_1)) && !(v_np11_1)) && !(v_np4_1)) && !(v_np15_1)) && v_np14_1) && !(v_np7_1))) || ((((((((((((((((!(v_np5_1) && (g == 0)) && !(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_np15_1)) && v_np10_1) && v_np14_1) && !(v_np7_1))) - 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 - 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, 26 locations, 3 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, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 4 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=1, InterpolantAutomatonStates: 4, 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, 0.2s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-02-20 11:36:31,510 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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