./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe012_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/safe012_power.oepc.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 958ec4d9 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/safe012_power.oepc.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/safe012_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-dev-958ec4d-m [2024-02-07 14:51:49,496 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:51:49,532 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:51:49,536 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:51:49,537 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:51:49,551 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:51:49,552 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:51:49,552 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:51:49,552 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:51:49,553 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:51:49,553 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:51:49,553 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:51:49,554 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:51:49,554 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:51:49,554 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:51:49,555 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:51:49,555 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:51:49,555 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:51:49,556 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:51:49,558 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:51:49,558 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:51:49,559 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:51:49,559 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:51:49,559 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:51:49,559 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:51:49,560 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:51:49,564 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:51:49,564 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:51:49,564 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:51:49,565 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:51:49,565 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:51:49,566 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:51:49,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:51:49,566 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:51:49,566 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:51:49,567 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:51:49,567 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:51:49,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:51:49,567 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:51:49,568 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:51:49,568 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:51:49,568 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:51:49,568 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:51:49,568 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:51:49,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:51:49,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:51:49,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:51:49,789 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:51:49,792 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:51:49,793 INFO L431 ainManager$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/safe012_power.oepc.yml/witness.yml [2024-02-07 14:51:49,915 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:51:49,915 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:51:49,916 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe012_power.oepc.i [2024-02-07 14:51:50,904 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:51:51,098 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:51:51,099 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe012_power.oepc.i [2024-02-07 14:51:51,110 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b291f2e1b/195a0033ef1e49b389936060d532ab59/FLAG781c8cfa8 [2024-02-07 14:51:51,120 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b291f2e1b/195a0033ef1e49b389936060d532ab59 [2024-02-07 14:51:51,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:51:51,121 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:51:51,122 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:51:51,122 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:51:51,126 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:51:51,126 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:51:49" (1/2) ... [2024-02-07 14:51:51,127 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@199b6b5a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:51:51, skipping insertion in model container [2024-02-07 14:51:51,127 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:51:49" (1/2) ... [2024-02-07 14:51:51,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6c2ffc03 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:51:51, skipping insertion in model container [2024-02-07 14:51:51,128 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:51:51" (2/2) ... [2024-02-07 14:51:51,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@199b6b5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:51:51, skipping insertion in model container [2024-02-07 14:51:51,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:51:51" (2/2) ... [2024-02-07 14:51:51,129 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:51:51,236 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:51:51,237 INFO L76 edCorrectnessWitness]: Location invariant before [L859-L859] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:51:51,237 INFO L76 edCorrectnessWitness]: Location invariant before [L775-L775] z$r_buff1_thd1 == (_Bool)0 [2024-02-07 14:51:51,238 INFO L76 edCorrectnessWitness]: Location invariant before [L782-L782] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 14:51:51,238 INFO L76 edCorrectnessWitness]: Location invariant before [L798-L798] y == 1 [2024-02-07 14:51:51,238 INFO L76 edCorrectnessWitness]: Location invariant before [L766-L766] (((0 <= z) && (z <= 1)) && (z == 0 || z == 1)) && (z$flush_delayed == (_Bool)0 || z$flush_delayed == (_Bool)1) [2024-02-07 14:51:51,239 INFO L76 edCorrectnessWitness]: Location invariant before [L809-L809] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 14:51:51,239 INFO L76 edCorrectnessWitness]: Location invariant before [L822-L822] 0 <= __unbuffered_cnt [2024-02-07 14:51:51,239 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] z$w_buff1_used == (_Bool)0 [2024-02-07 14:51:51,239 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 14:51:51,240 INFO L76 edCorrectnessWitness]: Location invariant before [L779-L779] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 14:51:51,240 INFO L76 edCorrectnessWitness]: Location invariant before [L817-L817] z$w_buff1_used == (_Bool)0 [2024-02-07 14:51:51,240 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] 1 <= __unbuffered_cnt [2024-02-07 14:51:51,240 INFO L76 edCorrectnessWitness]: Location invariant before [L852-L852] z$w_buff1_used == (_Bool)0 [2024-02-07 14:51:51,240 INFO L76 edCorrectnessWitness]: Location invariant before [L853-L853] z$r_buff1_thd0 == (_Bool)0 [2024-02-07 14:51:51,240 INFO L76 edCorrectnessWitness]: Location invariant before [L19-L19] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 14:51:51,241 INFO L76 edCorrectnessWitness]: Location invariant before [L795-L795] x == 1 [2024-02-07 14:51:51,241 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] 0 <= __unbuffered_cnt [2024-02-07 14:51:51,241 INFO L76 edCorrectnessWitness]: Location invariant before [L823-L823] 1 <= __unbuffered_cnt [2024-02-07 14:51:51,241 INFO L76 edCorrectnessWitness]: Location invariant before [L787-L787] 0 <= __unbuffered_cnt [2024-02-07 14:51:51,241 INFO L76 edCorrectnessWitness]: Location invariant before [L820-L820] z$r_buff1_thd3 == (_Bool)0 [2024-02-07 14:51:51,241 INFO L76 edCorrectnessWitness]: Location invariant before [L765-L765] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:51:51,242 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$read_delayed_var == 1) [2024-02-07 14:51:51,242 INFO L76 edCorrectnessWitness]: Location invariant before [L776-L776] __unbuffered_p0_EAX$read_delayed == (_Bool)1 [2024-02-07 14:51:51,242 INFO L76 edCorrectnessWitness]: Location invariant before [L846-L846] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:51:51,242 INFO L76 edCorrectnessWitness]: Location invariant before [L844-L844] 0 <= __unbuffered_cnt [2024-02-07 14:51:51,243 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] 1 <= __unbuffered_cnt [2024-02-07 14:51:51,243 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 14:51:51,243 INFO L76 edCorrectnessWitness]: Location invariant before [L858-L858] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:51:51,243 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 14:51:51,243 INFO L76 edCorrectnessWitness]: Location invariant before [L813-L813] z == 1 [2024-02-07 14:51:51,244 INFO L76 edCorrectnessWitness]: Location invariant before [L857-L857] ((((0 <= __unbuffered_p2_EAX) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || ((0 <= __unbuffered_p0_EBX && __unbuffered_p0_EBX <= 1) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)))) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) [2024-02-07 14:51:51,244 INFO L76 edCorrectnessWitness]: Location invariant before [L850-L850] z$w_buff1_used == (_Bool)0 [2024-02-07 14:51:51,244 INFO L76 edCorrectnessWitness]: Location invariant before [L780-L780] z$flush_delayed == (_Bool)0 [2024-02-07 14:51:51,244 INFO L76 edCorrectnessWitness]: Location invariant before [L764-L764] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:51:51,244 INFO L76 edCorrectnessWitness]: Location invariant before [L783-L783] ((0 <= __unbuffered_p0_EBX) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1) [2024-02-07 14:51:51,244 INFO L76 edCorrectnessWitness]: Location invariant before [L845-L845] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:51:51,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:51:51,455 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/safe012_power.oepc.i[995,1008] [2024-02-07 14:51:51,642 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:51:51,651 INFO L203 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 14:51:51,679 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/safe012_power.oepc.i[995,1008] 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 14:51:51,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:51:51,770 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:51:51,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:51:51 WrapperNode [2024-02-07 14:51:51,771 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:51:51,771 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:51:51,771 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:51:51,772 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:51:51,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:51:51" (1/1) ... [2024-02-07 14:51:51,795 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:51:51" (1/1) ... [2024-02-07 14:51:51,815 INFO L138 Inliner]: procedures = 176, calls = 86, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 148 [2024-02-07 14:51:51,816 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:51:51,816 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:51:51,816 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:51:51,816 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:51:51,824 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:51:51" (1/1) ... [2024-02-07 14:51:51,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:51:51" (1/1) ... [2024-02-07 14:51:51,828 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:51:51" (1/1) ... [2024-02-07 14:51:51,855 INFO L175 MemorySlicer]: Split 37 memory accesses to 5 slices as follows [32, 2, 1, 1, 1]. 86 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [1, 2, 0, 0, 0]. The 8 writes are split as follows [5, 0, 1, 1, 1]. [2024-02-07 14:51:51,855 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:51:51" (1/1) ... [2024-02-07 14:51:51,856 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:51:51" (1/1) ... [2024-02-07 14:51:51,863 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:51:51" (1/1) ... [2024-02-07 14:51:51,865 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:51:51" (1/1) ... [2024-02-07 14:51:51,888 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:51:51" (1/1) ... [2024-02-07 14:51:51,925 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:51:51" (1/1) ... [2024-02-07 14:51:51,944 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:51:51,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:51:51,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:51:51,945 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:51:51,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:51:51" (1/1) ... [2024-02-07 14:51:51,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:51:51,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:51:51,973 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 14:51:51,992 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 14:51:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 14:51:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 14:51:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 14:51:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 14:51:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-02-07 14:51:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:51:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:51:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:51:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 14:51:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 14:51:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:51:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:51:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:51:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:51:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 14:51:52,005 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 14:51:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 14:51:52,006 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 14:51:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 14:51:52,006 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 14:51:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:51:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:51:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:51:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 14:51:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 14:51:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:51:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:51:52,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:51:52,009 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 14:51:52,148 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:51:52,150 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:51:52,600 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:51:52,600 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:51:52,940 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:51:52,941 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 14:51:52,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:51:52 BoogieIcfgContainer [2024-02-07 14:51:52,942 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:51:52,944 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:51:52,945 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:51:52,947 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:51:52,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:51:49" (1/4) ... [2024-02-07 14:51:52,948 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5517d8c4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:51:52, skipping insertion in model container [2024-02-07 14:51:52,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:51:51" (2/4) ... [2024-02-07 14:51:52,948 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5517d8c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:51:52, skipping insertion in model container [2024-02-07 14:51:52,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:51:51" (3/4) ... [2024-02-07 14:51:52,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5517d8c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:51:52, skipping insertion in model container [2024-02-07 14:51:52,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:51:52" (4/4) ... [2024-02-07 14:51:52,952 INFO L112 eAbstractionObserver]: Analyzing ICFG safe012_power.oepc.i [2024-02-07 14:51:52,965 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:51:52,965 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2024-02-07 14:51:52,966 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:51:53,082 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:51:53,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 86 places, 77 transitions, 166 flow [2024-02-07 14:51:53,146 INFO L124 PetriNetUnfolderBase]: 1/74 cut-off events. [2024-02-07 14:51:53,146 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:51:53,150 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 251 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 14:51:53,150 INFO L82 GeneralOperation]: Start removeDead. Operand has 86 places, 77 transitions, 166 flow [2024-02-07 14:51:53,153 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 83 places, 74 transitions, 157 flow [2024-02-07 14:51:53,165 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:51:53,174 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;@22c5bacf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:51:53,174 INFO L358 AbstractCegarLoop]: Starting to check reachability of 65 error locations. [2024-02-07 14:51:53,176 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:51:53,176 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 14:51:53,176 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:51:53,176 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:51:53,177 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 14:51:53,179 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 14:51:53,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:51:53,184 INFO L85 PathProgramCache]: Analyzing trace with hash 27586, now seen corresponding path program 1 times [2024-02-07 14:51:53,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:51:53,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861020873] [2024-02-07 14:51:53,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:51:53,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:51:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:51:53,440 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 14:51:53,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:51:53,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861020873] [2024-02-07 14:51:53,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861020873] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:51:53,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:51:53,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:51:53,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617627777] [2024-02-07 14:51:53,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:51:53,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:51:53,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:51:53,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:51:53,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:51:53,484 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 77 [2024-02-07 14:51:53,486 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 14:51:53,486 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:51:53,486 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 77 [2024-02-07 14:51:53,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:51:56,404 INFO L124 PetriNetUnfolderBase]: 16850/26467 cut-off events. [2024-02-07 14:51:56,405 INFO L125 PetriNetUnfolderBase]: For 51/51 co-relation queries the response was YES. [2024-02-07 14:51:56,450 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50168 conditions, 26467 events. 16850/26467 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 1428. Compared 209531 event pairs, 16850 based on Foata normal form. 396/16946 useless extension candidates. Maximal degree in co-relation 50155. Up to 23540 conditions per place. [2024-02-07 14:51:56,567 INFO L140 encePairwiseOnDemand]: 55/77 looper letters, 39 selfloop transitions, 1 changer transitions 0/53 dead transitions. [2024-02-07 14:51:56,568 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 53 transitions, 195 flow [2024-02-07 14:51:56,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:51:56,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:51:56,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 109 transitions. [2024-02-07 14:51:56,576 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47186147186147187 [2024-02-07 14:51:56,577 INFO L175 Difference]: Start difference. First operand has 83 places, 74 transitions, 157 flow. Second operand 3 states and 109 transitions. [2024-02-07 14:51:56,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 53 transitions, 195 flow [2024-02-07 14:51:56,581 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 14:51:56,583 INFO L231 Difference]: Finished difference. Result has 62 places, 53 transitions, 114 flow [2024-02-07 14:51:56,584 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 14:51:56,586 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -21 predicate places. [2024-02-07 14:51:56,587 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 53 transitions, 114 flow [2024-02-07 14:51:56,587 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 14:51:56,587 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:51:56,587 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 14:51:56,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:51:56,588 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 62 more)] === [2024-02-07 14:51:56,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:51:56,588 INFO L85 PathProgramCache]: Analyzing trace with hash 822757367, now seen corresponding path program 1 times [2024-02-07 14:51:56,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:51:56,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973852290] [2024-02-07 14:51:56,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:51:56,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:51:56,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:51:56,603 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 14:51:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:51:56,644 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 14:51:56,644 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 14:51:56,646 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 65 remaining) [2024-02-07 14:51:56,647 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 65 remaining) [2024-02-07 14:51:56,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 65 remaining) [2024-02-07 14:51:56,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 65 remaining) [2024-02-07 14:51:56,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 65 remaining) [2024-02-07 14:51:56,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 65 remaining) [2024-02-07 14:51:56,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 65 remaining) [2024-02-07 14:51:56,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 65 remaining) [2024-02-07 14:51:56,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 65 remaining) [2024-02-07 14:51:56,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 65 remaining) [2024-02-07 14:51:56,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 65 remaining) [2024-02-07 14:51:56,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 65 remaining) [2024-02-07 14:51:56,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 65 remaining) [2024-02-07 14:51:56,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err12ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 65 remaining) [2024-02-07 14:51:56,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 65 remaining) [2024-02-07 14:51:56,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 65 remaining) [2024-02-07 14:51:56,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 65 remaining) [2024-02-07 14:51:56,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 65 remaining) [2024-02-07 14:51:56,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 65 remaining) [2024-02-07 14:51:56,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 65 remaining) [2024-02-07 14:51:56,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 65 remaining) [2024-02-07 14:51:56,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 65 remaining) [2024-02-07 14:51:56,654 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 65 remaining) [2024-02-07 14:51:56,654 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 65 remaining) [2024-02-07 14:51:56,655 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 65 remaining) [2024-02-07 14:51:56,655 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 65 remaining) [2024-02-07 14:51:56,655 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 65 remaining) [2024-02-07 14:51:56,655 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 65 remaining) [2024-02-07 14:51:56,655 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 65 remaining) [2024-02-07 14:51:56,655 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 65 remaining) [2024-02-07 14:51:56,656 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 65 remaining) [2024-02-07 14:51:56,656 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 65 remaining) [2024-02-07 14:51:56,656 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 65 remaining) [2024-02-07 14:51:56,656 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 65 remaining) [2024-02-07 14:51:56,656 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 65 remaining) [2024-02-07 14:51:56,656 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 65 remaining) [2024-02-07 14:51:56,657 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 65 remaining) [2024-02-07 14:51:56,657 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (27 of 65 remaining) [2024-02-07 14:51:56,657 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 65 remaining) [2024-02-07 14:51:56,657 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 65 remaining) [2024-02-07 14:51:56,657 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 65 remaining) [2024-02-07 14:51:56,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 65 remaining) [2024-02-07 14:51:56,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 65 remaining) [2024-02-07 14:51:56,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 65 remaining) [2024-02-07 14:51:56,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 65 remaining) [2024-02-07 14:51:56,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 65 remaining) [2024-02-07 14:51:56,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 65 remaining) [2024-02-07 14:51:56,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 65 remaining) [2024-02-07 14:51:56,659 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 65 remaining) [2024-02-07 14:51:56,659 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 65 remaining) [2024-02-07 14:51:56,659 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 65 remaining) [2024-02-07 14:51:56,659 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 65 remaining) [2024-02-07 14:51:56,660 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err12ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 65 remaining) [2024-02-07 14:51:56,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 65 remaining) [2024-02-07 14:51:56,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 65 remaining) [2024-02-07 14:51:56,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 65 remaining) [2024-02-07 14:51:56,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 65 remaining) [2024-02-07 14:51:56,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 65 remaining) [2024-02-07 14:51:56,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 65 remaining) [2024-02-07 14:51:56,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 65 remaining) [2024-02-07 14:51:56,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 65 remaining) [2024-02-07 14:51:56,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 65 remaining) [2024-02-07 14:51:56,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 65 remaining) [2024-02-07 14:51:56,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 65 remaining) [2024-02-07 14:51:56,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 65 remaining) [2024-02-07 14:51:56,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 14:51:56,666 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-02-07 14:51:56,671 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 14:51:56,672 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 14:51:56,709 INFO L503 ceAbstractionStarter]: Automizer considered 36 witness invariants [2024-02-07 14:51:56,709 INFO L504 ceAbstractionStarter]: WitnessConsidered=36 [2024-02-07 14:51:56,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 02:51:56 BasicIcfg [2024-02-07 14:51:56,710 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 14:51:56,711 INFO L158 Benchmark]: Toolchain (without parser) took 5589.78ms. Allocated memory was 174.1MB in the beginning and 658.5MB in the end (delta: 484.4MB). Free memory was 138.1MB in the beginning and 362.8MB in the end (delta: -224.7MB). Peak memory consumption was 259.3MB. Max. memory is 16.1GB. [2024-02-07 14:51:56,711 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 115.3MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:51:56,711 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 115.3MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:51:56,712 INFO L158 Benchmark]: CACSL2BoogieTranslator took 648.77ms. Allocated memory is still 174.1MB. Free memory was 137.5MB in the beginning and 97.1MB in the end (delta: 40.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-02-07 14:51:56,712 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.41ms. Allocated memory is still 174.1MB. Free memory was 97.1MB in the beginning and 94.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 14:51:56,712 INFO L158 Benchmark]: Boogie Preprocessor took 128.03ms. Allocated memory is still 174.1MB. Free memory was 94.1MB in the beginning and 141.7MB in the end (delta: -47.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-02-07 14:51:56,715 INFO L158 Benchmark]: RCFGBuilder took 996.91ms. Allocated memory is still 174.1MB. Free memory was 141.7MB in the beginning and 62.5MB in the end (delta: 79.2MB). Peak memory consumption was 93.2MB. Max. memory is 16.1GB. [2024-02-07 14:51:56,715 INFO L158 Benchmark]: TraceAbstraction took 3766.15ms. Allocated memory was 174.1MB in the beginning and 658.5MB in the end (delta: 484.4MB). Free memory was 62.5MB in the beginning and 362.8MB in the end (delta: -300.3MB). Peak memory consumption was 185.2MB. Max. memory is 16.1GB. [2024-02-07 14:51:56,717 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 115.3MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 115.3MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 648.77ms. Allocated memory is still 174.1MB. Free memory was 137.5MB in the beginning and 97.1MB in the end (delta: 40.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.41ms. Allocated memory is still 174.1MB. Free memory was 97.1MB in the beginning and 94.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 128.03ms. Allocated memory is still 174.1MB. Free memory was 94.1MB in the beginning and 141.7MB in the end (delta: -47.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 996.91ms. Allocated memory is still 174.1MB. Free memory was 141.7MB in the beginning and 62.5MB in the end (delta: 79.2MB). Peak memory consumption was 93.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3766.15ms. Allocated memory was 174.1MB in the beginning and 658.5MB in the end (delta: 484.4MB). Free memory was 62.5MB in the beginning and 362.8MB in the end (delta: -300.3MB). Peak memory consumption was 185.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 764]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L713] 0 _Bool __unbuffered_p0_EAX$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$w_buff1_used; [L730] 0 int __unbuffered_p0_EBX = 0; [L732] 0 int __unbuffered_p2_EAX = 0; [L733] 0 _Bool main$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$$choice2; [L837] 0 pthread_t t2049; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2049={5:0}, weak$$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(&t2049, ((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_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2049={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_p0_EBX=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: 782]: 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: 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: 3.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, 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, 0.1s 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 14:51:56,748 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE