./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/rfi000_tso.i --full-output --validate ./goblint.2024-08-08_07-59-58.files/protection-ghost/rfi000_tso.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7bc0c755 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi000_tso.i ./goblint.2024-08-08_07-59-58.files/protection-ghost/rfi000_tso.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-validation-atomicfix-7bc0c75-m [2024-08-23 10:25:46,833 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-23 10:25:46,897 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-23 10:25:46,902 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-23 10:25:46,904 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-23 10:25:46,934 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-23 10:25:46,935 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-23 10:25:46,935 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-23 10:25:46,936 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-23 10:25:46,938 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-23 10:25:46,938 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-23 10:25:46,939 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-23 10:25:46,939 INFO L153 SettingsManager]: * Use SBE=true [2024-08-23 10:25:46,939 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-23 10:25:46,939 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-23 10:25:46,940 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-23 10:25:46,940 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-23 10:25:46,940 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-23 10:25:46,940 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-23 10:25:46,941 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-23 10:25:46,941 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-23 10:25:46,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-23 10:25:46,946 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-23 10:25:46,946 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-23 10:25:46,946 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-23 10:25:46,946 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-23 10:25:46,946 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-23 10:25:46,947 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-23 10:25:46,947 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-23 10:25:46,947 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-23 10:25:46,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 10:25:46,948 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-23 10:25:46,948 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-23 10:25:46,948 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-23 10:25:46,948 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-23 10:25:46,948 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-23 10:25:46,949 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-23 10:25:46,949 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-23 10:25:46,951 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-23 10:25:46,951 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-23 10:25:46,951 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-23 10:25:46,952 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-23 10:25:46,952 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-23 10:25:47,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-23 10:25:47,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-23 10:25:47,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-23 10:25:47,273 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-23 10:25:47,274 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-23 10:25:47,276 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-ghost/rfi000_tso.yml/witness.yml [2024-08-23 10:25:47,436 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-23 10:25:47,437 INFO L274 PluginConnector]: CDTParser initialized [2024-08-23 10:25:47,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi000_tso.i [2024-08-23 10:25:48,907 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-23 10:25:49,158 INFO L384 CDTParser]: Found 1 translation units. [2024-08-23 10:25:49,158 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi000_tso.i [2024-08-23 10:25:49,178 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/923c0def5/eb622601656b4fe2b7bf523d74390492/FLAGa3578f883 [2024-08-23 10:25:49,192 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/923c0def5/eb622601656b4fe2b7bf523d74390492 [2024-08-23 10:25:49,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-23 10:25:49,198 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-23 10:25:49,201 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-23 10:25:49,201 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-23 10:25:49,207 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-23 10:25:49,208 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 10:25:47" (1/2) ... [2024-08-23 10:25:49,209 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@568ffbac and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 10:25:49, skipping insertion in model container [2024-08-23 10:25:49,209 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 10:25:47" (1/2) ... [2024-08-23 10:25:49,211 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3b43bebe and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 10:25:49, skipping insertion in model container [2024-08-23 10:25:49,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 10:25:49" (2/2) ... [2024-08-23 10:25:49,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@568ffbac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:25:49, skipping insertion in model container [2024-08-23 10:25:49,212 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 10:25:49" (2/2) ... [2024-08-23 10:25:49,212 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-23 10:25:49,236 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-23 10:25:49,237 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-23 10:25:49,237 INFO L106 edCorrectnessWitness]: ghost_update [L827-L827] multithreaded = 1; [2024-08-23 10:25:49,288 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-23 10:25:49,456 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi000_tso.i[944,957] [2024-08-23 10:25:49,644 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 10:25:49,660 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-23 10:25:49,741 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi000_tso.i[944,957] Start Parsing Local [2024-08-23 10:25:49,830 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 10:25:49,870 INFO L206 MainTranslator]: Completed translation [2024-08-23 10:25:49,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:25:49 WrapperNode [2024-08-23 10:25:49,872 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-23 10:25:49,873 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-23 10:25:49,873 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-23 10:25:49,874 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-23 10:25:49,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:25:49" (1/1) ... [2024-08-23 10:25:49,906 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:25:49" (1/1) ... [2024-08-23 10:25:49,955 INFO L138 Inliner]: procedures = 174, calls = 37, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 170 [2024-08-23 10:25:49,955 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-23 10:25:49,956 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-23 10:25:49,956 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-23 10:25:49,960 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-23 10:25:49,970 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:25:49" (1/1) ... [2024-08-23 10:25:49,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:25:49" (1/1) ... [2024-08-23 10:25:49,973 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:25:49" (1/1) ... [2024-08-23 10:25:49,976 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:25:49" (1/1) ... [2024-08-23 10:25:49,990 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:25:49" (1/1) ... [2024-08-23 10:25:49,993 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:25:49" (1/1) ... [2024-08-23 10:25:49,994 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:25:49" (1/1) ... [2024-08-23 10:25:49,996 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:25:49" (1/1) ... [2024-08-23 10:25:50,002 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-23 10:25:50,003 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-23 10:25:50,003 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-23 10:25:50,003 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-23 10:25:50,004 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:25:49" (1/1) ... [2024-08-23 10:25:50,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 10:25:50,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 10:25:50,046 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-23 10:25:50,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-23 10:25:50,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-23 10:25:50,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-23 10:25:50,099 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-08-23 10:25:50,099 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-08-23 10:25:50,100 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-08-23 10:25:50,100 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-08-23 10:25:50,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-23 10:25:50,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-23 10:25:50,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-23 10:25:50,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-23 10:25:50,102 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-23 10:25:50,226 INFO L243 CfgBuilder]: Building ICFG [2024-08-23 10:25:50,228 INFO L269 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-23 10:25:50,544 INFO L288 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-23 10:25:50,544 INFO L292 CfgBuilder]: Performing block encoding [2024-08-23 10:25:50,813 INFO L314 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-23 10:25:50,814 INFO L319 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-23 10:25:50,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 10:25:50 BoogieIcfgContainer [2024-08-23 10:25:50,814 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-23 10:25:50,817 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-23 10:25:50,818 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-23 10:25:50,822 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-23 10:25:50,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 10:25:47" (1/4) ... [2024-08-23 10:25:50,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e0102df and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.08 10:25:50, skipping insertion in model container [2024-08-23 10:25:50,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.08 10:25:49" (2/4) ... [2024-08-23 10:25:50,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e0102df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 10:25:50, skipping insertion in model container [2024-08-23 10:25:50,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:25:49" (3/4) ... [2024-08-23 10:25:50,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e0102df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 10:25:50, skipping insertion in model container [2024-08-23 10:25:50,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 10:25:50" (4/4) ... [2024-08-23 10:25:50,826 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi000_tso.i [2024-08-23 10:25:50,850 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-23 10:25:50,850 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-23 10:25:50,851 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-23 10:25:50,896 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-08-23 10:25:50,935 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 10:25:50,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-23 10:25:50,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 10:25:50,938 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-23 10:25:50,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-08-23 10:25:50,975 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-23 10:25:50,991 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Thread1of1ForFork0 ======== [2024-08-23 10:25:50,996 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=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, 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;@5f1b798a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 10:25:50,996 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-23 10:25:51,107 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-23 10:25:51,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 10:25:51,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1788389634, now seen corresponding path program 1 times [2024-08-23 10:25:51,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 10:25:51,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606353048] [2024-08-23 10:25:51,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 10:25:51,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 10:25:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 10:25:51,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 10:25:51,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 10:25:51,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606353048] [2024-08-23 10:25:51,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606353048] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 10:25:51,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 10:25:51,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-08-23 10:25:51,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492684160] [2024-08-23 10:25:51,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 10:25:51,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-23 10:25:51,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 10:25:51,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-23 10:25:51,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-23 10:25:51,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 10:25:51,581 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 10:25:51,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2024-08-23 10:25:51,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 10:25:52,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 10:25:52,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-23 10:25:52,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-23 10:25:52,056 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-23 10:25:52,059 INFO L308 ceAbstractionStarter]: Result for error location P1Thread1of1ForFork0 was SAFE (1/2) [2024-08-23 10:25:52,063 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 10:25:52,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-23 10:25:52,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 10:25:52,067 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-23 10:25:52,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-08-23 10:25:52,073 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-23 10:25:52,076 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-23 10:25:52,077 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=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, 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;@5f1b798a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 10:25:52,077 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-08-23 10:25:52,167 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-23 10:25:52,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 10:25:52,168 INFO L85 PathProgramCache]: Analyzing trace with hash -558072803, now seen corresponding path program 1 times [2024-08-23 10:25:52,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 10:25:52,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436497767] [2024-08-23 10:25:52,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 10:25:52,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 10:25:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 10:25:52,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 10:25:52,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 10:25:52,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436497767] [2024-08-23 10:25:52,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436497767] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 10:25:52,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 10:25:52,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-23 10:25:52,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406387470] [2024-08-23 10:25:52,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 10:25:52,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-23 10:25:52,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 10:25:52,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-23 10:25:52,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-23 10:25:52,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 10:25:52,428 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 10:25:52,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 10:25:52,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 10:25:52,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 10:25:52,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-23 10:25:52,541 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-23 10:25:52,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 10:25:52,541 INFO L85 PathProgramCache]: Analyzing trace with hash 320931260, now seen corresponding path program 1 times [2024-08-23 10:25:52,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 10:25:52,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733430092] [2024-08-23 10:25:52,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 10:25:52,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 10:25:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 10:25:52,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 10:25:52,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 10:25:52,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733430092] [2024-08-23 10:25:52,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733430092] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 10:25:52,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 10:25:52,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-23 10:25:52,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042769064] [2024-08-23 10:25:52,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 10:25:52,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-23 10:25:52,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 10:25:52,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-23 10:25:52,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-08-23 10:25:52,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 10:25:52,870 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 10:25:52,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-08-23 10:25:52,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 10:25:52,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 10:25:53,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 10:25:53,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 10:25:53,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-23 10:25:53,010 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-23 10:25:53,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 10:25:53,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1747009078, now seen corresponding path program 1 times [2024-08-23 10:25:53,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 10:25:53,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974815797] [2024-08-23 10:25:53,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 10:25:53,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 10:25:53,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 10:25:53,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 10:25:53,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 10:25:53,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974815797] [2024-08-23 10:25:53,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974815797] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 10:25:53,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 10:25:53,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-23 10:25:53,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18720361] [2024-08-23 10:25:53,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 10:25:53,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-23 10:25:53,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 10:25:53,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-23 10:25:53,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-08-23 10:25:53,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 10:25:53,982 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 10:25:53,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 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) [2024-08-23 10:25:53,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 10:25:53,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 10:25:53,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 10:25:54,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 10:25:54,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 10:25:54,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 10:25:54,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-08-23 10:25:54,323 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-23 10:25:54,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 10:25:54,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1820314062, now seen corresponding path program 2 times [2024-08-23 10:25:54,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 10:25:54,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289097332] [2024-08-23 10:25:54,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 10:25:54,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 10:25:54,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 10:25:55,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 10:25:55,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 10:25:55,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289097332] [2024-08-23 10:25:55,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289097332] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 10:25:55,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 10:25:55,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-08-23 10:25:55,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586541078] [2024-08-23 10:25:55,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 10:25:55,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-08-23 10:25:55,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 10:25:55,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-08-23 10:25:55,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-08-23 10:25:55,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 10:25:55,966 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 10:25:55,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 10 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) [2024-08-23 10:25:55,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 10:25:55,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 10:25:55,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 10:25:55,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 10:25:56,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 10:25:56,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 10:25:56,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 10:25:56,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-23 10:25:56,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-08-23 10:25:56,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-08-23 10:25:56,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-08-23 10:25:56,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-08-23 10:25:56,460 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2024-08-23 10:25:56,461 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (2/2) [2024-08-23 10:25:56,461 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-23 10:25:56,461 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-23 10:25:56,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.08 10:25:56 BasicIcfg [2024-08-23 10:25:56,469 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-23 10:25:56,469 INFO L158 Benchmark]: Toolchain (without parser) took 7275.23ms. Allocated memory was 172.0MB in the beginning and 314.6MB in the end (delta: 142.6MB). Free memory was 113.0MB in the beginning and 212.0MB in the end (delta: -99.1MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2024-08-23 10:25:56,470 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 172.0MB. Free memory is still 143.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-23 10:25:56,470 INFO L158 Benchmark]: CDTParser took 1.15ms. Allocated memory is still 172.0MB. Free memory is still 138.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-23 10:25:56,470 INFO L158 Benchmark]: CACSL2BoogieTranslator took 671.53ms. Allocated memory is still 172.0MB. Free memory was 112.8MB in the beginning and 128.6MB in the end (delta: -15.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-08-23 10:25:56,471 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.97ms. Allocated memory is still 172.0MB. Free memory was 128.6MB in the beginning and 125.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-23 10:25:56,472 INFO L158 Benchmark]: Boogie Preprocessor took 46.63ms. Allocated memory is still 172.0MB. Free memory was 125.3MB in the beginning and 123.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-23 10:25:56,472 INFO L158 Benchmark]: RCFGBuilder took 811.19ms. Allocated memory was 172.0MB in the beginning and 218.1MB in the end (delta: 46.1MB). Free memory was 123.2MB in the beginning and 175.9MB in the end (delta: -52.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-08-23 10:25:56,473 INFO L158 Benchmark]: TraceAbstraction took 5651.53ms. Allocated memory was 218.1MB in the beginning and 314.6MB in the end (delta: 96.5MB). Free memory was 174.8MB in the beginning and 212.0MB in the end (delta: -37.2MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. [2024-08-23 10:25:56,474 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.19ms. Allocated memory is still 172.0MB. Free memory is still 143.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 1.15ms. Allocated memory is still 172.0MB. Free memory is still 138.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 671.53ms. Allocated memory is still 172.0MB. Free memory was 112.8MB in the beginning and 128.6MB in the end (delta: -15.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.97ms. Allocated memory is still 172.0MB. Free memory was 128.6MB in the beginning and 125.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.63ms. Allocated memory is still 172.0MB. Free memory was 125.3MB in the beginning and 123.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 811.19ms. Allocated memory was 172.0MB in the beginning and 218.1MB in the end (delta: 46.1MB). Free memory was 123.2MB in the beginning and 175.9MB in the end (delta: -52.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5651.53ms. Allocated memory was 218.1MB in the beginning and 314.6MB in the end (delta: 96.5MB). Free memory was 174.8MB in the beginning and 212.0MB in the end (delta: -37.2MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 893, independent: 792, independent conditional: 462, independent unconditional: 330, dependent: 101, dependent conditional: 76, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 885, independent: 792, independent conditional: 462, independent unconditional: 330, dependent: 93, dependent conditional: 68, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 885, independent: 792, independent conditional: 462, independent unconditional: 330, dependent: 93, dependent conditional: 68, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 998, independent: 792, independent conditional: 45, independent unconditional: 747, dependent: 206, dependent conditional: 68, dependent unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 998, independent: 792, independent conditional: 45, independent unconditional: 747, dependent: 206, dependent conditional: 51, dependent unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 998, independent: 792, independent conditional: 45, independent unconditional: 747, dependent: 206, dependent conditional: 51, dependent unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 370, independent: 334, independent conditional: 4, independent unconditional: 330, dependent: 36, dependent conditional: 8, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 370, independent: 328, independent conditional: 0, independent unconditional: 328, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 42, independent: 6, independent conditional: 4, independent unconditional: 2, dependent: 36, dependent conditional: 8, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 42, independent: 6, independent conditional: 4, independent unconditional: 2, dependent: 36, dependent conditional: 8, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 385, independent: 70, independent conditional: 40, independent unconditional: 30, dependent: 314, dependent conditional: 77, dependent unconditional: 238, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 998, independent: 458, independent conditional: 41, independent unconditional: 417, dependent: 170, dependent conditional: 43, dependent unconditional: 127, unknown: 370, unknown conditional: 12, unknown unconditional: 358] , Statistics on independence cache: Total cache size (in pairs): 370, Positive cache size: 334, Positive conditional cache size: 4, Positive unconditional cache size: 330, Negative cache size: 36, Negative conditional cache size: 8, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 17, Maximal queried relation: 1, Independence queries for same thread: 8 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 119, Number of trivial persistent sets: 85, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 355, independent: 330, independent conditional: 0, independent unconditional: 330, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 893, independent: 792, independent conditional: 462, independent unconditional: 330, dependent: 101, dependent conditional: 76, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 885, independent: 792, independent conditional: 462, independent unconditional: 330, dependent: 93, dependent conditional: 68, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 885, independent: 792, independent conditional: 462, independent unconditional: 330, dependent: 93, dependent conditional: 68, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 998, independent: 792, independent conditional: 45, independent unconditional: 747, dependent: 206, dependent conditional: 68, dependent unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 998, independent: 792, independent conditional: 45, independent unconditional: 747, dependent: 206, dependent conditional: 51, dependent unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 998, independent: 792, independent conditional: 45, independent unconditional: 747, dependent: 206, dependent conditional: 51, dependent unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 370, independent: 334, independent conditional: 4, independent unconditional: 330, dependent: 36, dependent conditional: 8, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 370, independent: 328, independent conditional: 0, independent unconditional: 328, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 42, independent: 6, independent conditional: 4, independent unconditional: 2, dependent: 36, dependent conditional: 8, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 42, independent: 6, independent conditional: 4, independent unconditional: 2, dependent: 36, dependent conditional: 8, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 385, independent: 70, independent conditional: 40, independent unconditional: 30, dependent: 314, dependent conditional: 77, dependent unconditional: 238, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 998, independent: 458, independent conditional: 41, independent unconditional: 417, dependent: 170, dependent conditional: 43, dependent unconditional: 127, unknown: 370, unknown conditional: 12, unknown unconditional: 358] , Statistics on independence cache: Total cache size (in pairs): 370, Positive cache size: 334, Positive conditional cache size: 4, Positive unconditional cache size: 330, Negative cache size: 36, Negative conditional cache size: 8, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 17, Maximal queried relation: 1, Independence queries for same thread: 8 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1495, independent: 1375, independent conditional: 1068, independent unconditional: 307, dependent: 120, dependent conditional: 89, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1475, independent: 1375, independent conditional: 1068, independent unconditional: 307, dependent: 100, dependent conditional: 69, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1475, independent: 1375, independent conditional: 1068, independent unconditional: 307, dependent: 100, dependent conditional: 69, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1756, independent: 1375, independent conditional: 70, independent unconditional: 1305, dependent: 381, dependent conditional: 211, dependent unconditional: 170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1756, independent: 1375, independent conditional: 70, independent unconditional: 1305, dependent: 381, dependent conditional: 46, dependent unconditional: 335, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1756, independent: 1375, independent conditional: 70, independent unconditional: 1305, dependent: 381, dependent conditional: 46, dependent unconditional: 335, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 353, independent: 314, independent conditional: 7, independent unconditional: 307, dependent: 39, dependent conditional: 7, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 353, independent: 304, independent conditional: 0, independent unconditional: 304, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 49, independent: 10, independent conditional: 7, independent unconditional: 3, dependent: 39, dependent conditional: 7, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 49, independent: 10, independent conditional: 7, independent unconditional: 3, dependent: 39, dependent conditional: 7, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 353, independent: 83, independent conditional: 58, independent unconditional: 26, dependent: 270, dependent conditional: 37, dependent unconditional: 233, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1756, independent: 1061, independent conditional: 63, independent unconditional: 998, dependent: 342, dependent conditional: 39, dependent unconditional: 303, unknown: 353, unknown conditional: 14, unknown unconditional: 339] , Statistics on independence cache: Total cache size (in pairs): 353, Positive cache size: 314, Positive conditional cache size: 7, Positive unconditional cache size: 307, Negative cache size: 39, Negative conditional cache size: 7, Negative unconditional cache size: 32, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 165, Maximal queried relation: 4, Independence queries for same thread: 20 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 157, Number of trivial persistent sets: 91, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 338, independent: 307, independent conditional: 0, independent unconditional: 307, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1495, independent: 1375, independent conditional: 1068, independent unconditional: 307, dependent: 120, dependent conditional: 89, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1475, independent: 1375, independent conditional: 1068, independent unconditional: 307, dependent: 100, dependent conditional: 69, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1475, independent: 1375, independent conditional: 1068, independent unconditional: 307, dependent: 100, dependent conditional: 69, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1756, independent: 1375, independent conditional: 70, independent unconditional: 1305, dependent: 381, dependent conditional: 211, dependent unconditional: 170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1756, independent: 1375, independent conditional: 70, independent unconditional: 1305, dependent: 381, dependent conditional: 46, dependent unconditional: 335, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1756, independent: 1375, independent conditional: 70, independent unconditional: 1305, dependent: 381, dependent conditional: 46, dependent unconditional: 335, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 353, independent: 314, independent conditional: 7, independent unconditional: 307, dependent: 39, dependent conditional: 7, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 353, independent: 304, independent conditional: 0, independent unconditional: 304, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 49, independent: 10, independent conditional: 7, independent unconditional: 3, dependent: 39, dependent conditional: 7, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 49, independent: 10, independent conditional: 7, independent unconditional: 3, dependent: 39, dependent conditional: 7, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 353, independent: 83, independent conditional: 58, independent unconditional: 26, dependent: 270, dependent conditional: 37, dependent unconditional: 233, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1756, independent: 1061, independent conditional: 63, independent unconditional: 998, dependent: 342, dependent conditional: 39, dependent unconditional: 303, unknown: 353, unknown conditional: 14, unknown unconditional: 339] , Statistics on independence cache: Total cache size (in pairs): 353, Positive cache size: 314, Positive conditional cache size: 7, Positive unconditional cache size: 307, Negative cache size: 39, Negative conditional cache size: 7, Negative unconditional cache size: 32, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 165, Maximal queried relation: 4, Independence queries for same thread: 20 - PositiveResult [Line: 18]: 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: 18]: 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 for errors in thread instance: P1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 52 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 52 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 23, 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, 0.3s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 85 ConstructedInterpolants, 0 QuantifiedInterpolants, 717 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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! [2024-08-23 10:25:56,511 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2024-08-23 10:25:56,710 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-08-23 10:25:56,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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