./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/test-easy7.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a340643f 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/weaver/test-easy7.wvr.c -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 2089b8408f47d976db10454bec1f56d65e439056bc0b2c5e33c1e775793bdc1f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a340643-m [2024-01-27 15:56:38,048 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 15:56:38,121 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 15:56:38,129 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 15:56:38,130 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 15:56:38,160 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 15:56:38,164 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 15:56:38,164 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 15:56:38,165 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 15:56:38,169 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 15:56:38,169 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 15:56:38,169 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 15:56:38,170 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 15:56:38,171 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 15:56:38,172 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 15:56:38,172 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 15:56:38,172 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 15:56:38,173 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 15:56:38,173 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 15:56:38,173 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 15:56:38,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 15:56:38,174 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 15:56:38,174 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 15:56:38,174 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 15:56:38,175 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 15:56:38,175 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 15:56:38,175 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 15:56:38,175 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 15:56:38,176 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 15:56:38,176 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 15:56:38,177 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 15:56:38,178 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 15:56:38,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 15:56:38,178 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 15:56:38,178 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 15:56:38,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 15:56:38,179 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 15:56:38,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 15:56:38,179 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 15:56:38,179 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 15:56:38,180 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 15:56:38,180 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 15:56:38,180 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 15:56:38,180 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2089b8408f47d976db10454bec1f56d65e439056bc0b2c5e33c1e775793bdc1f [2024-01-27 15:56:38,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 15:56:38,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 15:56:38,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 15:56:38,487 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 15:56:38,487 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 15:56:38,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy7.wvr.c [2024-01-27 15:56:39,720 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 15:56:39,902 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 15:56:39,902 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy7.wvr.c [2024-01-27 15:56:39,909 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c73eecde/8be5d927219c41a8857d58d8f3a33676/FLAG7c8d90d99 [2024-01-27 15:56:39,919 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c73eecde/8be5d927219c41a8857d58d8f3a33676 [2024-01-27 15:56:39,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 15:56:39,923 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-01-27 15:56:39,924 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 15:56:39,924 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 15:56:39,928 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 15:56:39,929 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 03:56:39" (1/1) ... [2024-01-27 15:56:39,930 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c061e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:56:39, skipping insertion in model container [2024-01-27 15:56:39,930 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 03:56:39" (1/1) ... [2024-01-27 15:56:39,956 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 15:56:40,130 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy7.wvr.c[1898,1911] [2024-01-27 15:56:40,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 15:56:40,147 INFO L202 MainTranslator]: Completed pre-run [2024-01-27 15:56:40,174 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy7.wvr.c[1898,1911] [2024-01-27 15:56:40,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 15:56:40,198 INFO L206 MainTranslator]: Completed translation [2024-01-27 15:56:40,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:56:40 WrapperNode [2024-01-27 15:56:40,198 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 15:56:40,201 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-27 15:56:40,201 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-27 15:56:40,201 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-27 15:56:40,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:56:40" (1/1) ... [2024-01-27 15:56:40,222 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:56:40" (1/1) ... [2024-01-27 15:56:40,246 INFO L138 Inliner]: procedures = 21, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-01-27 15:56:40,247 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-27 15:56:40,247 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-27 15:56:40,248 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-27 15:56:40,248 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-27 15:56:40,258 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:56:40" (1/1) ... [2024-01-27 15:56:40,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:56:40" (1/1) ... [2024-01-27 15:56:40,269 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:56:40" (1/1) ... [2024-01-27 15:56:40,297 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-01-27 15:56:40,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:56:40" (1/1) ... [2024-01-27 15:56:40,297 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:56:40" (1/1) ... [2024-01-27 15:56:40,309 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:56:40" (1/1) ... [2024-01-27 15:56:40,311 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:56:40" (1/1) ... [2024-01-27 15:56:40,316 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:56:40" (1/1) ... [2024-01-27 15:56:40,317 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:56:40" (1/1) ... [2024-01-27 15:56:40,319 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-27 15:56:40,321 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-27 15:56:40,321 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-27 15:56:40,322 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-27 15:56:40,322 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:56:40" (1/1) ... [2024-01-27 15:56:40,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 15:56:40,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 15:56:40,358 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) [2024-01-27 15:56:40,388 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 [2024-01-27 15:56:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-27 15:56:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-27 15:56:40,419 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-27 15:56:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-27 15:56:40,420 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-27 15:56:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-27 15:56:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-27 15:56:40,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-27 15:56:40,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-27 15:56:40,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-27 15:56:40,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-27 15:56:40,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-27 15:56:40,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-27 15:56:40,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-27 15:56:40,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-27 15:56:40,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-27 15:56:40,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-27 15:56:40,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-27 15:56:40,426 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-27 15:56:40,537 INFO L244 CfgBuilder]: Building ICFG [2024-01-27 15:56:40,540 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-27 15:56:40,697 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-27 15:56:40,697 INFO L293 CfgBuilder]: Performing block encoding [2024-01-27 15:56:40,835 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-27 15:56:40,836 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-27 15:56:40,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 03:56:40 BoogieIcfgContainer [2024-01-27 15:56:40,836 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-27 15:56:40,838 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-27 15:56:40,838 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-27 15:56:40,841 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-27 15:56:40,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 03:56:39" (1/3) ... [2024-01-27 15:56:40,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@145a0eca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 03:56:40, skipping insertion in model container [2024-01-27 15:56:40,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:56:40" (2/3) ... [2024-01-27 15:56:40,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@145a0eca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 03:56:40, skipping insertion in model container [2024-01-27 15:56:40,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 03:56:40" (3/3) ... [2024-01-27 15:56:40,844 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy7.wvr.c [2024-01-27 15:56:40,852 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-01-27 15:56:40,863 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-27 15:56:40,863 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-01-27 15:56:40,863 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-27 15:56:40,895 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-01-27 15:56:40,927 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 22 places, 15 transitions, 44 flow [2024-01-27 15:56:40,951 INFO L124 PetriNetUnfolderBase]: 0/13 cut-off events. [2024-01-27 15:56:40,952 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-27 15:56:40,954 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22 conditions, 13 events. 0/13 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 4 event pairs, 0 based on Foata normal form. 0/12 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-01-27 15:56:40,954 INFO L82 GeneralOperation]: Start removeDead. Operand has 22 places, 15 transitions, 44 flow [2024-01-27 15:56:40,957 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 19 places, 12 transitions, 36 flow [2024-01-27 15:56:40,966 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 15:56:40,975 INFO L357 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=LoopHeads, 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;@5004078e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 15:56:40,975 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-01-27 15:56:40,984 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 15:56:40,984 INFO L124 PetriNetUnfolderBase]: 0/11 cut-off events. [2024-01-27 15:56:40,984 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-27 15:56:40,985 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 15:56:40,986 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 15:56:40,986 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-01-27 15:56:40,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 15:56:40,991 INFO L85 PathProgramCache]: Analyzing trace with hash 508854388, now seen corresponding path program 1 times [2024-01-27 15:56:41,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 15:56:41,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875756486] [2024-01-27 15:56:41,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 15:56:41,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 15:56:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 15:56:41,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 15:56:41,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 15:56:41,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875756486] [2024-01-27 15:56:41,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875756486] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 15:56:41,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 15:56:41,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 15:56:41,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155844640] [2024-01-27 15:56:41,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 15:56:41,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 15:56:41,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 15:56:41,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 15:56:41,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 15:56:41,711 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 15 [2024-01-27 15:56:41,713 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 12 transitions, 36 flow. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-01-27 15:56:41,713 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 15:56:41,713 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 15 [2024-01-27 15:56:41,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 15:56:41,806 INFO L124 PetriNetUnfolderBase]: 8/33 cut-off events. [2024-01-27 15:56:41,807 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-01-27 15:56:41,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 33 events. 8/33 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 60 event pairs, 1 based on Foata normal form. 1/34 useless extension candidates. Maximal degree in co-relation 45. Up to 13 conditions per place. [2024-01-27 15:56:41,810 INFO L140 encePairwiseOnDemand]: 11/15 looper letters, 10 selfloop transitions, 2 changer transitions 10/23 dead transitions. [2024-01-27 15:56:41,810 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 23 transitions, 114 flow [2024-01-27 15:56:41,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 15:56:41,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 15:56:41,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 35 transitions. [2024-01-27 15:56:41,822 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5833333333333334 [2024-01-27 15:56:41,824 INFO L175 Difference]: Start difference. First operand has 19 places, 12 transitions, 36 flow. Second operand 4 states and 35 transitions. [2024-01-27 15:56:41,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 23 transitions, 114 flow [2024-01-27 15:56:41,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 23 transitions, 98 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-01-27 15:56:41,831 INFO L231 Difference]: Finished difference. Result has 19 places, 12 transitions, 38 flow [2024-01-27 15:56:41,833 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=15, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=38, PETRI_PLACES=19, PETRI_TRANSITIONS=12} [2024-01-27 15:56:41,840 INFO L281 CegarLoopForPetriNet]: 19 programPoint places, 0 predicate places. [2024-01-27 15:56:41,841 INFO L495 AbstractCegarLoop]: Abstraction has has 19 places, 12 transitions, 38 flow [2024-01-27 15:56:41,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-01-27 15:56:41,842 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 15:56:41,842 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 15:56:41,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-27 15:56:41,843 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-01-27 15:56:41,844 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 15:56:41,844 INFO L85 PathProgramCache]: Analyzing trace with hash 345768094, now seen corresponding path program 2 times [2024-01-27 15:56:41,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 15:56:41,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455544037] [2024-01-27 15:56:41,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 15:56:41,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 15:56:41,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 15:56:42,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 15:56:42,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 15:56:42,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455544037] [2024-01-27 15:56:42,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455544037] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 15:56:42,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 15:56:42,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 15:56:42,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811522152] [2024-01-27 15:56:42,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 15:56:42,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 15:56:42,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 15:56:42,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 15:56:42,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 15:56:42,077 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 15 [2024-01-27 15:56:42,077 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 12 transitions, 38 flow. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-01-27 15:56:42,077 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 15:56:42,077 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 15 [2024-01-27 15:56:42,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 15:56:42,119 INFO L124 PetriNetUnfolderBase]: 2/14 cut-off events. [2024-01-27 15:56:42,119 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-27 15:56:42,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 14 events. 2/14 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 8 event pairs, 1 based on Foata normal form. 1/15 useless extension candidates. Maximal degree in co-relation 17. Up to 11 conditions per place. [2024-01-27 15:56:42,120 INFO L140 encePairwiseOnDemand]: 11/15 looper letters, 0 selfloop transitions, 0 changer transitions 11/11 dead transitions. [2024-01-27 15:56:42,120 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 11 transitions, 56 flow [2024-01-27 15:56:42,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 15:56:42,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 15:56:42,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2024-01-27 15:56:42,122 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4 [2024-01-27 15:56:42,123 INFO L175 Difference]: Start difference. First operand has 19 places, 12 transitions, 38 flow. Second operand 4 states and 24 transitions. [2024-01-27 15:56:42,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 11 transitions, 56 flow [2024-01-27 15:56:42,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 16 places, 11 transitions, 50 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-01-27 15:56:42,124 INFO L231 Difference]: Finished difference. Result has 16 places, 0 transitions, 0 flow [2024-01-27 15:56:42,125 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=15, PETRI_DIFFERENCE_MINUEND_FLOW=26, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=10, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=16, PETRI_TRANSITIONS=0} [2024-01-27 15:56:42,126 INFO L281 CegarLoopForPetriNet]: 19 programPoint places, -3 predicate places. [2024-01-27 15:56:42,127 INFO L495 AbstractCegarLoop]: Abstraction has has 16 places, 0 transitions, 0 flow [2024-01-27 15:56:42,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-01-27 15:56:42,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-01-27 15:56:42,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-01-27 15:56:42,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-01-27 15:56:42,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-27 15:56:42,134 INFO L445 BasicCegarLoop]: Path program histogram: [2] [2024-01-27 15:56:42,144 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-27 15:56:42,144 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-27 15:56:42,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 03:56:42 BasicIcfg [2024-01-27 15:56:42,155 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-27 15:56:42,155 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-01-27 15:56:42,155 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-01-27 15:56:42,156 INFO L274 PluginConnector]: Witness Printer initialized [2024-01-27 15:56:42,156 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 03:56:40" (3/4) ... [2024-01-27 15:56:42,158 INFO L137 WitnessPrinter]: Generating witness for correct program [2024-01-27 15:56:42,165 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-01-27 15:56:42,165 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-01-27 15:56:42,171 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2024-01-27 15:56:42,172 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-01-27 15:56:42,172 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-01-27 15:56:42,172 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-01-27 15:56:42,259 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-01-27 15:56:42,260 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-01-27 15:56:42,260 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-01-27 15:56:42,261 INFO L158 Benchmark]: Toolchain (without parser) took 2338.46ms. Allocated memory is still 159.4MB. Free memory was 91.3MB in the beginning and 78.4MB in the end (delta: 12.9MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2024-01-27 15:56:42,263 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 15:56:42,263 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.57ms. Allocated memory is still 159.4MB. Free memory was 91.0MB in the beginning and 79.7MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-01-27 15:56:42,263 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.00ms. Allocated memory is still 159.4MB. Free memory was 79.7MB in the beginning and 78.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-27 15:56:42,264 INFO L158 Benchmark]: Boogie Preprocessor took 73.06ms. Allocated memory is still 159.4MB. Free memory was 78.0MB in the beginning and 76.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-27 15:56:42,264 INFO L158 Benchmark]: RCFGBuilder took 515.22ms. Allocated memory is still 159.4MB. Free memory was 76.0MB in the beginning and 114.9MB in the end (delta: -38.9MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-01-27 15:56:42,264 INFO L158 Benchmark]: TraceAbstraction took 1316.31ms. Allocated memory is still 159.4MB. Free memory was 114.0MB in the beginning and 82.6MB in the end (delta: 31.4MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-01-27 15:56:42,264 INFO L158 Benchmark]: Witness Printer took 105.14ms. Allocated memory is still 159.4MB. Free memory was 82.6MB in the beginning and 78.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-01-27 15:56:42,266 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.57ms. Allocated memory is still 159.4MB. Free memory was 91.0MB in the beginning and 79.7MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.00ms. Allocated memory is still 159.4MB. Free memory was 79.7MB in the beginning and 78.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.06ms. Allocated memory is still 159.4MB. Free memory was 78.0MB in the beginning and 76.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 515.22ms. Allocated memory is still 159.4MB. Free memory was 76.0MB in the beginning and 114.9MB in the end (delta: -38.9MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1316.31ms. Allocated memory is still 159.4MB. Free memory was 114.0MB in the beginning and 82.6MB in the end (delta: 31.4MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * Witness Printer took 105.14ms. Allocated memory is still 159.4MB. Free memory was 82.6MB in the beginning and 78.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 72]: 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 5 procedures, 22 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: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=1, InterpolantAutomatonStates: 8, 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, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 308 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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! [2024-01-27 15:56:42,296 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