./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe007_power.oepc-thin001_power.oepc.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/safe007_power.oepc-thin001_power.oepc.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7c74aec 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/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe007_power.oepc-thin001_power.oepc.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/safe007_power.oepc-thin001_power.oepc.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.fix-undeclared-acsl-variable-e7c74ae-m [2024-02-07 19:29:51,704 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:29:51,806 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:29:51,809 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:29:51,809 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:29:51,848 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:29:51,858 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:29:51,859 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:29:51,859 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:29:51,859 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:29:51,860 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:29:51,860 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:29:51,860 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:29:51,861 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:29:51,861 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:29:51,861 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:29:51,861 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:29:51,862 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:29:51,862 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:29:51,862 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:29:51,862 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:29:51,865 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:29:51,866 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:29:51,866 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:29:51,866 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:29:51,866 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:29:51,867 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:29:51,867 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:29:51,867 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:29:51,868 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:29:51,868 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:29:51,870 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:29:51,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:29:51,870 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:29:51,871 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:29:51,871 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:29:51,871 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:29:51,871 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:29:51,871 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:29:51,872 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:29:51,872 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:29:51,872 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:29:51,873 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:29:51,873 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:29:52,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:29:52,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:29:52,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:29:52,107 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:29:52,107 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:29:52,108 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/safe007_power.oepc-thin001_power.oepc.yml/witness.yml [2024-02-07 19:29:52,234 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:29:52,234 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:29:52,235 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe007_power.oepc-thin001_power.oepc.i [2024-02-07 19:29:53,280 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:29:53,467 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:29:53,468 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_power.oepc-thin001_power.oepc.i [2024-02-07 19:29:53,484 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74c77a3e3/b20678b63a2c4643a161ef176562c43e/FLAGe35008183 [2024-02-07 19:29:53,494 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74c77a3e3/b20678b63a2c4643a161ef176562c43e [2024-02-07 19:29:53,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:29:53,496 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:29:53,497 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:29:53,497 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:29:53,501 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:29:53,502 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:29:52" (1/2) ... [2024-02-07 19:29:53,502 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40243a71 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:29:53, skipping insertion in model container [2024-02-07 19:29:53,502 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:29:52" (1/2) ... [2024-02-07 19:29:53,503 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@221c0a15 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:29:53, skipping insertion in model container [2024-02-07 19:29:53,504 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:29:53" (2/2) ... [2024-02-07 19:29:53,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40243a71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:29:53, skipping insertion in model container [2024-02-07 19:29:53,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:29:53" (2/2) ... [2024-02-07 19:29:53,504 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:29:53,603 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:29:53,605 INFO L76 edCorrectnessWitness]: Location invariant before [L845-L845] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:29:53,605 INFO L76 edCorrectnessWitness]: Location invariant before [L19-L19] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 19:29:53,605 INFO L76 edCorrectnessWitness]: Location invariant before [L858-L858] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:29:53,605 INFO L76 edCorrectnessWitness]: Location invariant before [L766-L766] (((0 <= z) && (z <= 1)) && (z == 0 || z == 1)) && (z$flush_delayed == (_Bool)0 || z$flush_delayed == (_Bool)1) [2024-02-07 19:29:53,605 INFO L76 edCorrectnessWitness]: Location invariant before [L809-L809] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 19:29:53,606 INFO L76 edCorrectnessWitness]: Location invariant before [L813-L813] z == 1 [2024-02-07 19:29:53,606 INFO L76 edCorrectnessWitness]: Location invariant before [L780-L780] z$flush_delayed == (_Bool)0 [2024-02-07 19:29:53,606 INFO L76 edCorrectnessWitness]: Location invariant before [L765-L765] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:29:53,606 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 19:29:53,606 INFO L76 edCorrectnessWitness]: Location invariant before [L822-L822] 0 <= __unbuffered_cnt [2024-02-07 19:29:53,607 INFO L76 edCorrectnessWitness]: Location invariant before [L798-L798] y == 1 [2024-02-07 19:29:53,607 INFO L76 edCorrectnessWitness]: Location invariant before [L844-L844] 0 <= __unbuffered_cnt [2024-02-07 19:29:53,607 INFO L76 edCorrectnessWitness]: Location invariant before [L775-L775] z$r_buff1_thd1 == (_Bool)0 [2024-02-07 19:29:53,607 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] 0 <= __unbuffered_cnt [2024-02-07 19:29:53,607 INFO L76 edCorrectnessWitness]: Location invariant before [L823-L823] 1 <= __unbuffered_cnt [2024-02-07 19:29:53,607 INFO L76 edCorrectnessWitness]: Location invariant before [L850-L850] z$w_buff1_used == (_Bool)0 [2024-02-07 19:29:53,607 INFO L76 edCorrectnessWitness]: Location invariant before [L820-L820] z$r_buff1_thd3 == (_Bool)0 [2024-02-07 19:29:53,608 INFO L76 edCorrectnessWitness]: Location invariant before [L817-L817] z$w_buff1_used == (_Bool)0 [2024-02-07 19:29:53,608 INFO L76 edCorrectnessWitness]: Location invariant before [L767-L767] ((0 <= z$mem_tmp) && (z$mem_tmp <= 1)) && (z$mem_tmp == 0 || z$mem_tmp == 1) [2024-02-07 19:29:53,608 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] 1 <= __unbuffered_cnt [2024-02-07 19:29:53,608 INFO L76 edCorrectnessWitness]: Location invariant before [L777-L777] ((((((0 <= z) && (0 <= *__unbuffered_p0_EAX$read_delayed_var)) && (z <= 1)) && (*__unbuffered_p0_EAX$read_delayed_var <= 1)) && (__unbuffered_p0_EAX$read_delayed_var == & z)) && (z == 0 || z == 1)) && (*__unbuffered_p0_EAX$read_delayed_var == 0 || *__unbuffered_p0_EAX$read_delayed_var == 1) [2024-02-07 19:29:53,608 INFO L76 edCorrectnessWitness]: Location invariant before [L859-L859] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:29:53,608 INFO L76 edCorrectnessWitness]: Location invariant before [L838-L838] ((((0LL - (long long )z$w_buff0_used) + (long long )z$w_buff1_used >= 0LL) && ((long long )z$w_buff0_used + (long long )z$w_buff1_used >= 0LL)) && ((0LL - (long long )z$w_buff0_used) - (long long )z$w_buff1_used >= 0LL)) && ((long long )z$w_buff0_used - (long long )z$w_buff1_used >= 0LL) [2024-02-07 19:29:53,609 INFO L76 edCorrectnessWitness]: Location invariant before [L810-L810] ((0 <= __unbuffered_p2_EAX) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) [2024-02-07 19:29:53,609 INFO L76 edCorrectnessWitness]: Location invariant before [L852-L852] z$w_buff1_used == (_Bool)0 [2024-02-07 19:29:53,609 INFO L76 edCorrectnessWitness]: Location invariant before [L787-L787] 0 <= __unbuffered_cnt [2024-02-07 19:29:53,609 INFO L76 edCorrectnessWitness]: Location invariant before [L846-L846] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:29:53,609 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] z$w_buff1_used == (_Bool)0 [2024-02-07 19:29:53,609 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] 1 <= __unbuffered_cnt [2024-02-07 19:29:53,609 INFO L76 edCorrectnessWitness]: Location invariant before [L783-L783] x == 1 [2024-02-07 19:29:53,610 INFO L76 edCorrectnessWitness]: Location invariant before [L853-L853] z$r_buff1_thd0 == (_Bool)0 [2024-02-07 19:29:53,610 INFO L76 edCorrectnessWitness]: Location invariant before [L764-L764] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:29:53,610 INFO L76 edCorrectnessWitness]: Location invariant before [L779-L779] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 19:29:53,610 INFO L76 edCorrectnessWitness]: Location invariant before [L857-L857] ((((0 <= __unbuffered_p2_EAX) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p0_EAX == 1)) && (__unbuffered_p1_EAX == 1 || ((0 <= __unbuffered_p1_EAX && __unbuffered_p1_EAX <= 1) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)))) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) [2024-02-07 19:29:53,610 INFO L76 edCorrectnessWitness]: Location invariant before [L795-L795] ((0 <= __unbuffered_p1_EAX) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) [2024-02-07 19:29:53,610 INFO L76 edCorrectnessWitness]: Location invariant before [L776-L776] __unbuffered_p0_EAX$read_delayed == (_Bool)1 [2024-02-07 19:29:53,653 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:29:53,801 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_power.oepc-thin001_power.oepc.i[1014,1027] [2024-02-07 19:29:53,979 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:29:53,993 INFO L206 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 19:29:54,088 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_power.oepc-thin001_power.oepc.i[1014,1027] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 19:29:54,184 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:29:54,224 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:29:54,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:29:54 WrapperNode [2024-02-07 19:29:54,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:29:54,226 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:29:54,226 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:29:54,226 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:29:54,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:29:54" (1/1) ... [2024-02-07 19:29:54,257 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:29:54" (1/1) ... [2024-02-07 19:29:54,275 INFO L138 Inliner]: procedures = 176, calls = 86, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 148 [2024-02-07 19:29:54,275 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:29:54,276 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:29:54,286 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:29:54,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:29:54,310 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:29:54" (1/1) ... [2024-02-07 19:29:54,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:29:54" (1/1) ... [2024-02-07 19:29:54,319 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:29:54" (1/1) ... [2024-02-07 19:29:54,336 INFO L175 MemorySlicer]: Split 37 memory accesses to 5 slices as follows [2, 1, 1, 1, 32]. 86 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 0, 0, 1]. The 8 writes are split as follows [0, 1, 1, 1, 5]. [2024-02-07 19:29:54,336 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:29:54" (1/1) ... [2024-02-07 19:29:54,337 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:29:54" (1/1) ... [2024-02-07 19:29:54,344 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:29:54" (1/1) ... [2024-02-07 19:29:54,346 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:29:54" (1/1) ... [2024-02-07 19:29:54,348 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:29:54" (1/1) ... [2024-02-07 19:29:54,349 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:29:54" (1/1) ... [2024-02-07 19:29:54,353 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:29:54,353 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:29:54,353 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:29:54,353 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:29:54,354 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:29:54" (1/1) ... [2024-02-07 19:29:54,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:29:54,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:29:54,374 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-07 19:29:54,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-07 19:29:54,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 19:29:54,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 19:29:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 19:29:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 19:29:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-02-07 19:29:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:29:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:29:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:29:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:29:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 19:29:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 19:29:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:29:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:29:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:29:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 19:29:54,417 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 19:29:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 19:29:54,417 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 19:29:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 19:29:54,417 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 19:29:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:29:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:29:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:29:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:29:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 19:29:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 19:29:54,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:29:54,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:29:54,420 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-07 19:29:54,553 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:29:54,555 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:29:54,945 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:29:54,945 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:29:55,371 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:29:55,372 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 19:29:55,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:29:55 BoogieIcfgContainer [2024-02-07 19:29:55,373 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:29:55,375 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:29:55,376 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:29:55,378 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:29:55,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:29:52" (1/4) ... [2024-02-07 19:29:55,380 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c350d4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:29:55, skipping insertion in model container [2024-02-07 19:29:55,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:29:53" (2/4) ... [2024-02-07 19:29:55,380 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c350d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:29:55, skipping insertion in model container [2024-02-07 19:29:55,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:29:54" (3/4) ... [2024-02-07 19:29:55,382 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c350d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:29:55, skipping insertion in model container [2024-02-07 19:29:55,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:29:55" (4/4) ... [2024-02-07 19:29:55,387 INFO L112 eAbstractionObserver]: Analyzing ICFG safe007_power.oepc-thin001_power.oepc.i [2024-02-07 19:29:55,402 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:29:55,403 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2024-02-07 19:29:55,403 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:29:55,507 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 19:29:55,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 86 places, 77 transitions, 166 flow [2024-02-07 19:29:55,612 INFO L124 PetriNetUnfolderBase]: 1/74 cut-off events. [2024-02-07 19:29:55,612 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:29:55,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 74 events. 1/74 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 255 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2024-02-07 19:29:55,617 INFO L82 GeneralOperation]: Start removeDead. Operand has 86 places, 77 transitions, 166 flow [2024-02-07 19:29:55,621 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 83 places, 74 transitions, 157 flow [2024-02-07 19:29:55,635 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:29:55,696 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=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;@460d92e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:29:55,696 INFO L358 AbstractCegarLoop]: Starting to check reachability of 65 error locations. [2024-02-07 19:29:55,699 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:29:55,700 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 19:29:55,700 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:29:55,700 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:29:55,701 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 19:29:55,701 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 62 more)] === [2024-02-07 19:29:55,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:29:55,708 INFO L85 PathProgramCache]: Analyzing trace with hash 27523, now seen corresponding path program 1 times [2024-02-07 19:29:55,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:29:55,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244233178] [2024-02-07 19:29:55,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:29:55,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:29:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:29:56,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:29:56,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:29:56,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244233178] [2024-02-07 19:29:56,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244233178] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:29:56,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:29:56,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:29:56,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136945904] [2024-02-07 19:29:56,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:29:56,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:29:56,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:29:56,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:29:56,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:29:56,143 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 77 [2024-02-07 19:29:56,145 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 74 transitions, 157 flow. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:29:56,145 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:29:56,145 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 77 [2024-02-07 19:29:56,146 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:29:59,221 INFO L124 PetriNetUnfolderBase]: 17972/28148 cut-off events. [2024-02-07 19:29:59,221 INFO L125 PetriNetUnfolderBase]: For 47/47 co-relation queries the response was YES. [2024-02-07 19:29:59,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53379 conditions, 28148 events. 17972/28148 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 1538. Compared 224824 event pairs, 17972 based on Foata normal form. 420/17511 useless extension candidates. Maximal degree in co-relation 53366. Up to 25064 conditions per place. [2024-02-07 19:29:59,410 INFO L140 encePairwiseOnDemand]: 55/77 looper letters, 39 selfloop transitions, 1 changer transitions 0/53 dead transitions. [2024-02-07 19:29:59,410 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 53 transitions, 195 flow [2024-02-07 19:29:59,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 19:29:59,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 19:29:59,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 109 transitions. [2024-02-07 19:29:59,419 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47186147186147187 [2024-02-07 19:29:59,421 INFO L175 Difference]: Start difference. First operand has 83 places, 74 transitions, 157 flow. Second operand 3 states and 109 transitions. [2024-02-07 19:29:59,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 53 transitions, 195 flow [2024-02-07 19:29:59,425 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 53 transitions, 192 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-02-07 19:29:59,426 INFO L231 Difference]: Finished difference. Result has 62 places, 53 transitions, 114 flow [2024-02-07 19:29:59,428 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=114, PETRI_PLACES=62, PETRI_TRANSITIONS=53} [2024-02-07 19:29:59,430 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -21 predicate places. [2024-02-07 19:29:59,430 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 53 transitions, 114 flow [2024-02-07 19:29:59,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:29:59,431 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:29:59,431 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 19:29:59,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 19:29:59,432 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 62 more)] === [2024-02-07 19:29:59,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:29:59,432 INFO L85 PathProgramCache]: Analyzing trace with hash 820879541, now seen corresponding path program 1 times [2024-02-07 19:29:59,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:29:59,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429747391] [2024-02-07 19:29:59,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:29:59,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:29:59,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:29:59,449 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 19:29:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:29:59,475 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 19:29:59,475 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 19:29:59,476 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 65 remaining) [2024-02-07 19:29:59,477 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 65 remaining) [2024-02-07 19:29:59,478 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 65 remaining) [2024-02-07 19:29:59,478 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 65 remaining) [2024-02-07 19:29:59,478 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 65 remaining) [2024-02-07 19:29:59,478 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 65 remaining) [2024-02-07 19:29:59,478 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 65 remaining) [2024-02-07 19:29:59,479 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 65 remaining) [2024-02-07 19:29:59,479 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 65 remaining) [2024-02-07 19:29:59,479 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 65 remaining) [2024-02-07 19:29:59,479 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 65 remaining) [2024-02-07 19:29:59,479 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 65 remaining) [2024-02-07 19:29:59,479 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 65 remaining) [2024-02-07 19:29:59,480 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 65 remaining) [2024-02-07 19:29:59,480 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 65 remaining) [2024-02-07 19:29:59,480 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 65 remaining) [2024-02-07 19:29:59,480 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 65 remaining) [2024-02-07 19:29:59,480 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 65 remaining) [2024-02-07 19:29:59,480 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 65 remaining) [2024-02-07 19:29:59,481 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 65 remaining) [2024-02-07 19:29:59,481 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 65 remaining) [2024-02-07 19:29:59,481 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 65 remaining) [2024-02-07 19:29:59,481 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 65 remaining) [2024-02-07 19:29:59,481 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 65 remaining) [2024-02-07 19:29:59,481 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 65 remaining) [2024-02-07 19:29:59,482 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 65 remaining) [2024-02-07 19:29:59,482 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 65 remaining) [2024-02-07 19:29:59,482 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 65 remaining) [2024-02-07 19:29:59,482 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 65 remaining) [2024-02-07 19:29:59,482 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 65 remaining) [2024-02-07 19:29:59,483 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 65 remaining) [2024-02-07 19:29:59,483 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 65 remaining) [2024-02-07 19:29:59,483 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 65 remaining) [2024-02-07 19:29:59,483 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 65 remaining) [2024-02-07 19:29:59,483 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 65 remaining) [2024-02-07 19:29:59,483 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 65 remaining) [2024-02-07 19:29:59,484 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 65 remaining) [2024-02-07 19:29:59,484 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (27 of 65 remaining) [2024-02-07 19:29:59,484 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 65 remaining) [2024-02-07 19:29:59,484 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 65 remaining) [2024-02-07 19:29:59,484 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 65 remaining) [2024-02-07 19:29:59,484 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 65 remaining) [2024-02-07 19:29:59,485 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 65 remaining) [2024-02-07 19:29:59,485 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 65 remaining) [2024-02-07 19:29:59,485 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 65 remaining) [2024-02-07 19:29:59,485 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 65 remaining) [2024-02-07 19:29:59,485 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 65 remaining) [2024-02-07 19:29:59,485 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 65 remaining) [2024-02-07 19:29:59,486 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 65 remaining) [2024-02-07 19:29:59,486 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 65 remaining) [2024-02-07 19:29:59,486 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 65 remaining) [2024-02-07 19:29:59,486 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 65 remaining) [2024-02-07 19:29:59,486 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 65 remaining) [2024-02-07 19:29:59,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 65 remaining) [2024-02-07 19:29:59,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 65 remaining) [2024-02-07 19:29:59,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 65 remaining) [2024-02-07 19:29:59,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 65 remaining) [2024-02-07 19:29:59,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 65 remaining) [2024-02-07 19:29:59,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 65 remaining) [2024-02-07 19:29:59,488 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 65 remaining) [2024-02-07 19:29:59,488 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 65 remaining) [2024-02-07 19:29:59,488 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 65 remaining) [2024-02-07 19:29:59,488 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 65 remaining) [2024-02-07 19:29:59,488 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 65 remaining) [2024-02-07 19:29:59,488 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 65 remaining) [2024-02-07 19:29:59,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 19:29:59,489 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-02-07 19:29:59,494 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 19:29:59,494 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 19:29:59,515 INFO L503 ceAbstractionStarter]: Automizer considered 36 witness invariants [2024-02-07 19:29:59,516 INFO L504 ceAbstractionStarter]: WitnessConsidered=36 [2024-02-07 19:29:59,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 07:29:59 BasicIcfg [2024-02-07 19:29:59,516 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 19:29:59,517 INFO L158 Benchmark]: Toolchain (without parser) took 6020.58ms. Allocated memory was 226.5MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 149.0MB in the beginning and 960.5MB in the end (delta: -811.5MB). Peak memory consumption was 234.6MB. Max. memory is 16.1GB. [2024-02-07 19:29:59,517 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 134.2MB. Free memory is still 99.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:29:59,518 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 226.5MB. Free memory is still 197.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:29:59,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 727.94ms. Allocated memory is still 226.5MB. Free memory was 148.7MB in the beginning and 182.4MB in the end (delta: -33.8MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2024-02-07 19:29:59,518 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.58ms. Allocated memory is still 226.5MB. Free memory was 182.4MB in the beginning and 180.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 19:29:59,518 INFO L158 Benchmark]: Boogie Preprocessor took 77.01ms. Allocated memory is still 226.5MB. Free memory was 180.3MB in the beginning and 175.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 19:29:59,519 INFO L158 Benchmark]: RCFGBuilder took 1019.93ms. Allocated memory is still 226.5MB. Free memory was 175.1MB in the beginning and 108.2MB in the end (delta: 66.9MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. [2024-02-07 19:29:59,519 INFO L158 Benchmark]: TraceAbstraction took 4141.13ms. Allocated memory was 226.5MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 108.2MB in the beginning and 960.5MB in the end (delta: -852.2MB). Peak memory consumption was 193.2MB. Max. memory is 16.1GB. [2024-02-07 19:29:59,520 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 0.15ms. Allocated memory is still 134.2MB. Free memory is still 99.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 226.5MB. Free memory is still 197.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 727.94ms. Allocated memory is still 226.5MB. Free memory was 148.7MB in the beginning and 182.4MB in the end (delta: -33.8MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.58ms. Allocated memory is still 226.5MB. Free memory was 182.4MB in the beginning and 180.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.01ms. Allocated memory is still 226.5MB. Free memory was 180.3MB in the beginning and 175.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1019.93ms. Allocated memory is still 226.5MB. Free memory was 175.1MB in the beginning and 108.2MB in the end (delta: 66.9MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. * TraceAbstraction took 4141.13ms. Allocated memory was 226.5MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 108.2MB in the beginning and 960.5MB in the end (delta: -852.2MB). Peak memory consumption was 193.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 764]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L713] 0 _Bool __unbuffered_p0_EAX$flush_delayed; [L714] 0 int __unbuffered_p0_EAX$mem_tmp; [L715] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd0; [L716] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd1; [L717] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd2; [L718] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd3; [L719] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd0; [L720] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd1; [L721] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd2; [L722] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd3; [L723] 0 _Bool __unbuffered_p0_EAX$read_delayed; [L724] 0 int *__unbuffered_p0_EAX$read_delayed_var; [L725] 0 int __unbuffered_p0_EAX$w_buff0; [L726] 0 _Bool __unbuffered_p0_EAX$w_buff0_used; [L727] 0 int __unbuffered_p0_EAX$w_buff1; [L728] 0 _Bool __unbuffered_p0_EAX$w_buff1_used; [L730] 0 int __unbuffered_p1_EAX = 0; [L732] 0 int __unbuffered_p2_EAX = 0; [L733] 0 _Bool main$tmp_guard0; [L734] 0 _Bool main$tmp_guard1; [L736] 0 int x = 0; [L738] 0 int y = 0; [L740] 0 int z = 0; [L740] 0 int z = 0; [L741] 0 _Bool z$flush_delayed; [L742] 0 int z$mem_tmp; [L743] 0 _Bool z$r_buff0_thd0; [L744] 0 _Bool z$r_buff0_thd1; [L745] 0 _Bool z$r_buff0_thd2; [L746] 0 _Bool z$r_buff0_thd3; [L747] 0 _Bool z$r_buff1_thd0; [L748] 0 _Bool z$r_buff1_thd1; [L749] 0 _Bool z$r_buff1_thd2; [L750] 0 _Bool z$r_buff1_thd3; [L751] 0 _Bool z$read_delayed; [L752] 0 int *z$read_delayed_var; [L753] 0 int z$w_buff0; [L754] 0 _Bool z$w_buff0_used; [L755] 0 int z$w_buff1; [L756] 0 _Bool z$w_buff1_used; [L757] 0 _Bool weak$$choice0; [L758] 0 _Bool weak$$choice1; [L759] 0 _Bool weak$$choice2; [L837] 0 pthread_t t1937; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1937={5:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z={3:0}] [L838] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[z$w_buff0_used]]],CastExpression[ACSLType[long long],IdentifierExpression[z$w_buff1_used]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[z$w_buff0_used]],CastExpression[ACSLType[long long],IdentifierExpression[z$w_buff1_used]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[z$w_buff0_used]]],CastExpression[ACSLType[long long],IdentifierExpression[z$w_buff1_used]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[z$w_buff0_used]],CastExpression[ACSLType[long long],IdentifierExpression[z$w_buff1_used]]],IntegerLiteral[0LL]]]]] [L838] FCALL, FORK 0 pthread_create(&t1937, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1937={5:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z={3:0}] [L763] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L764] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[weak$$choice0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[weak$$choice0],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z={3:0}] - UnprovableResult [Line: 765]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 766]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 767]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 775]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 776]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 777]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 779]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 780]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 783]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 787]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 788]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 794]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 795]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 798]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 802]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 803]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 809]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 810]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 813]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 817]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 819]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 820]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 822]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 823]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 838]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 844]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 845]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 846]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 850]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 852]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 853]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 857]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 858]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 859]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 842]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 840]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 838]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 127 locations, 65 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: 4.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 40 IncrementalHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 0 mSDtfsCounter, 40 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=157occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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 RESULT: Ultimate proved your program to be incorrect! [2024-02-07 19:29:59,554 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE