./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 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/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-wip.fs.fix-undeclared-acsl-variable-e7c74ae-m [2024-02-07 19:30:03,689 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:30:03,754 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:30:03,757 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:30:03,758 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:30:03,782 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:30:03,782 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:30:03,783 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:30:03,783 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:30:03,786 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:30:03,787 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:30:03,787 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:30:03,788 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:30:03,789 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:30:03,789 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:30:03,789 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:30:03,789 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:30:03,790 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:30:03,790 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:30:03,790 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:30:03,791 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:30:03,791 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:30:03,792 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:30:03,792 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:30:03,792 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:30:03,792 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:30:03,792 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:30:03,793 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:30:03,793 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:30:03,793 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:30:03,794 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:30:03,794 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:30:03,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:30:03,795 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:30:03,795 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:30:03,795 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:30:03,795 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:30:03,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:30:03,796 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:30:03,796 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:30:03,796 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:30:03,796 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:30:03,796 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:30:03,797 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:30:04,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:30:04,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:30:04,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:30:04,047 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:30:04,047 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:30:04,048 INFO L431 ainManager$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 19:30:05,199 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:30:05,392 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:30:05,393 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe012_power.oepc.i [2024-02-07 19:30:05,408 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1238101c0/7204c35903e24081818054b81023acb7/FLAG71221a9ab [2024-02-07 19:30:05,422 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1238101c0/7204c35903e24081818054b81023acb7 [2024-02-07 19:30:05,424 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:30:05,424 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:30:05,426 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/safe012_power.oepc.yml/witness.yml [2024-02-07 19:30:05,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:30:05,544 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:30:05,545 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:30:05,545 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:30:05,548 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:30:05,549 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:30:05" (1/2) ... [2024-02-07 19:30:05,550 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72472c50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:05, skipping insertion in model container [2024-02-07 19:30:05,550 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:30:05" (1/2) ... [2024-02-07 19:30:05,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@c9b44ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:05, skipping insertion in model container [2024-02-07 19:30:05,553 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:30:05" (2/2) ... [2024-02-07 19:30:05,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72472c50 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:05, skipping insertion in model container [2024-02-07 19:30:05,554 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:30:05" (2/2) ... [2024-02-07 19:30:05,554 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:30:05,675 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:30:05,677 INFO L76 edCorrectnessWitness]: Location invariant before [L846-L846] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:30:05,677 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 19:30:05,678 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 19:30:05,678 INFO L76 edCorrectnessWitness]: Location invariant before [L813-L813] z == 1 [2024-02-07 19:30:05,678 INFO L76 edCorrectnessWitness]: Location invariant before [L779-L779] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 19:30:05,679 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] 1 <= __unbuffered_cnt [2024-02-07 19:30:05,679 INFO L76 edCorrectnessWitness]: Location invariant before [L820-L820] z$r_buff1_thd3 == (_Bool)0 [2024-02-07 19:30:05,679 INFO L76 edCorrectnessWitness]: Location invariant before [L19-L19] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 19:30:05,679 INFO L76 edCorrectnessWitness]: Location invariant before [L783-L783] ((0 <= __unbuffered_p0_EBX) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1) [2024-02-07 19:30:05,679 INFO L76 edCorrectnessWitness]: Location invariant before [L795-L795] x == 1 [2024-02-07 19:30:05,679 INFO L76 edCorrectnessWitness]: Location invariant before [L838-L838] ((((0LL - (long long )z$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$w_buff1_used >= 0LL) [2024-02-07 19:30:05,680 INFO L76 edCorrectnessWitness]: Location invariant before [L845-L845] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:30:05,680 INFO L76 edCorrectnessWitness]: Location invariant before [L798-L798] y == 1 [2024-02-07 19:30:05,680 INFO L76 edCorrectnessWitness]: Location invariant before [L809-L809] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 19:30:05,680 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] 1 <= __unbuffered_cnt [2024-02-07 19:30:05,680 INFO L76 edCorrectnessWitness]: Location invariant before [L852-L852] z$w_buff1_used == (_Bool)0 [2024-02-07 19:30:05,680 INFO L76 edCorrectnessWitness]: Location invariant before [L844-L844] 0 <= __unbuffered_cnt [2024-02-07 19:30:05,680 INFO L76 edCorrectnessWitness]: Location invariant before [L823-L823] 1 <= __unbuffered_cnt [2024-02-07 19:30:05,681 INFO L76 edCorrectnessWitness]: Location invariant before [L850-L850] z$w_buff1_used == (_Bool)0 [2024-02-07 19:30:05,681 INFO L76 edCorrectnessWitness]: Location invariant before [L767-L767] ((0 <= z$mem_tmp) && (z$mem_tmp <= 1)) && (z$mem_tmp == 0 || z$mem_tmp == 1) [2024-02-07 19:30:05,681 INFO L76 edCorrectnessWitness]: Location invariant before [L777-L777] ((((((0 <= z) && (0 <= *__unbuffered_p0_EAX$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 19:30:05,682 INFO L76 edCorrectnessWitness]: Location invariant before [L764-L764] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:30:05,682 INFO L76 edCorrectnessWitness]: Location invariant before [L782-L782] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 19:30:05,682 INFO L76 edCorrectnessWitness]: Location invariant before [L858-L858] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:30:05,682 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] 0 <= __unbuffered_cnt [2024-02-07 19:30:05,682 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 19:30:05,682 INFO L76 edCorrectnessWitness]: Location invariant before [L822-L822] 0 <= __unbuffered_cnt [2024-02-07 19:30:05,682 INFO L76 edCorrectnessWitness]: Location invariant before [L765-L765] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:30:05,683 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] z$w_buff1_used == (_Bool)0 [2024-02-07 19:30:05,683 INFO L76 edCorrectnessWitness]: Location invariant before [L817-L817] z$w_buff1_used == (_Bool)0 [2024-02-07 19:30:05,683 INFO L76 edCorrectnessWitness]: Location invariant before [L780-L780] z$flush_delayed == (_Bool)0 [2024-02-07 19:30:05,683 INFO L76 edCorrectnessWitness]: Location invariant before [L775-L775] z$r_buff1_thd1 == (_Bool)0 [2024-02-07 19:30:05,683 INFO L76 edCorrectnessWitness]: Location invariant before [L859-L859] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:30:05,683 INFO L76 edCorrectnessWitness]: Location invariant before [L853-L853] z$r_buff1_thd0 == (_Bool)0 [2024-02-07 19:30:05,683 INFO L76 edCorrectnessWitness]: Location invariant before [L776-L776] __unbuffered_p0_EAX$read_delayed == (_Bool)1 [2024-02-07 19:30:05,684 INFO L76 edCorrectnessWitness]: Location invariant before [L787-L787] 0 <= __unbuffered_cnt [2024-02-07 19:30:05,724 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:30:05,886 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 19:30:06,049 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:30:06,059 INFO L206 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 19:30:06,091 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 19:30:06,201 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:30:06,255 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:30:06,256 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:06 WrapperNode [2024-02-07 19:30:06,256 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:30:06,257 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:30:06,257 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:30:06,258 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:30:06,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:06" (1/1) ... [2024-02-07 19:30:06,296 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:06" (1/1) ... [2024-02-07 19:30:06,315 INFO L138 Inliner]: procedures = 176, calls = 86, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 148 [2024-02-07 19:30:06,315 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:30:06,316 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:30:06,316 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:30:06,316 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:30:06,324 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:06" (1/1) ... [2024-02-07 19:30:06,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:06" (1/1) ... [2024-02-07 19:30:06,327 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:06" (1/1) ... [2024-02-07 19:30:06,350 INFO L175 MemorySlicer]: Split 37 memory accesses to 5 slices as follows [2, 1, 32, 1, 1]. 86 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 1, 0, 0]. The 8 writes are split as follows [0, 1, 5, 1, 1]. [2024-02-07 19:30:06,353 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:06" (1/1) ... [2024-02-07 19:30:06,353 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:06" (1/1) ... [2024-02-07 19:30:06,376 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:06" (1/1) ... [2024-02-07 19:30:06,381 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:06" (1/1) ... [2024-02-07 19:30:06,383 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:06" (1/1) ... [2024-02-07 19:30:06,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:06" (1/1) ... [2024-02-07 19:30:06,393 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:30:06,398 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:30:06,398 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:30:06,398 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:30:06,399 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:06" (1/1) ... [2024-02-07 19:30:06,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:30:06,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:30:06,427 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 19:30:06,441 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 19:30:06,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 19:30:06,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 19:30:06,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 19:30:06,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 19:30:06,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-02-07 19:30:06,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:30:06,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:30:06,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:30:06,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:30:06,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 19:30:06,477 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 19:30:06,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:30:06,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:30:06,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:30:06,477 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 19:30:06,478 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 19:30:06,478 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 19:30:06,483 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 19:30:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 19:30:06,484 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 19:30:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:30:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:30:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:30:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:30:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 19:30:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 19:30:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:30:06,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:30:06,486 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 19:30:06,666 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:30:06,668 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:30:07,044 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:30:07,045 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:30:07,511 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:30:07,511 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 19:30:07,512 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:30:07 BoogieIcfgContainer [2024-02-07 19:30:07,512 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:30:07,514 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:30:07,514 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:30:07,516 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:30:07,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:30:05" (1/4) ... [2024-02-07 19:30:07,518 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2045e287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:30:07, skipping insertion in model container [2024-02-07 19:30:07,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:30:05" (2/4) ... [2024-02-07 19:30:07,518 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2045e287 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:30:07, skipping insertion in model container [2024-02-07 19:30:07,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:06" (3/4) ... [2024-02-07 19:30:07,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2045e287 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:30:07, skipping insertion in model container [2024-02-07 19:30:07,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:30:07" (4/4) ... [2024-02-07 19:30:07,521 INFO L112 eAbstractionObserver]: Analyzing ICFG safe012_power.oepc.i [2024-02-07 19:30:07,535 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:30:07,535 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2024-02-07 19:30:07,535 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:30:07,632 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 19:30:07,661 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 86 places, 77 transitions, 166 flow [2024-02-07 19:30:07,697 INFO L124 PetriNetUnfolderBase]: 1/74 cut-off events. [2024-02-07 19:30:07,697 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:30:07,701 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 19:30:07,702 INFO L82 GeneralOperation]: Start removeDead. Operand has 86 places, 77 transitions, 166 flow [2024-02-07 19:30:07,704 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 83 places, 74 transitions, 157 flow [2024-02-07 19:30:07,711 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:30:07,716 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;@274cd816, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:30:07,716 INFO L358 AbstractCegarLoop]: Starting to check reachability of 65 error locations. [2024-02-07 19:30:07,746 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:30:07,746 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 19:30:07,746 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:30:07,747 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:30:07,747 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 19:30:07,748 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 19:30:07,751 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:30:07,751 INFO L85 PathProgramCache]: Analyzing trace with hash 27586, now seen corresponding path program 1 times [2024-02-07 19:30:07,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:30:07,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687964622] [2024-02-07 19:30:07,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:30:07,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:30:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:30:07,975 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 19:30:07,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:30:07,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687964622] [2024-02-07 19:30:07,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687964622] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:30:07,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:30:07,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:30:07,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987775071] [2024-02-07 19:30:07,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:30:07,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:30:07,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:30:08,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:30:08,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:30:08,007 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 77 [2024-02-07 19:30:08,009 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 19:30:08,009 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:30:08,009 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 77 [2024-02-07 19:30:08,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:30:10,791 INFO L124 PetriNetUnfolderBase]: 16850/26467 cut-off events. [2024-02-07 19:30:10,792 INFO L125 PetriNetUnfolderBase]: For 51/51 co-relation queries the response was YES. [2024-02-07 19:30:10,851 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 19:30:11,055 INFO L140 encePairwiseOnDemand]: 55/77 looper letters, 39 selfloop transitions, 1 changer transitions 0/53 dead transitions. [2024-02-07 19:30:11,055 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 53 transitions, 195 flow [2024-02-07 19:30:11,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 19:30:11,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 19:30:11,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 109 transitions. [2024-02-07 19:30:11,065 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47186147186147187 [2024-02-07 19:30:11,066 INFO L175 Difference]: Start difference. First operand has 83 places, 74 transitions, 157 flow. Second operand 3 states and 109 transitions. [2024-02-07 19:30:11,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 53 transitions, 195 flow [2024-02-07 19:30:11,071 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 19:30:11,076 INFO L231 Difference]: Finished difference. Result has 62 places, 53 transitions, 114 flow [2024-02-07 19:30:11,078 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 19:30:11,081 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -21 predicate places. [2024-02-07 19:30:11,082 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 53 transitions, 114 flow [2024-02-07 19:30:11,084 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 19:30:11,084 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:30:11,084 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 19:30:11,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 19:30:11,089 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 62 more)] === [2024-02-07 19:30:11,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:30:11,090 INFO L85 PathProgramCache]: Analyzing trace with hash 822757367, now seen corresponding path program 1 times [2024-02-07 19:30:11,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:30:11,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261712287] [2024-02-07 19:30:11,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:30:11,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:30:11,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:30:11,134 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 19:30:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:30:11,171 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 19:30:11,172 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 19:30:11,173 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 65 remaining) [2024-02-07 19:30:11,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 65 remaining) [2024-02-07 19:30:11,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 65 remaining) [2024-02-07 19:30:11,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 65 remaining) [2024-02-07 19:30:11,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 65 remaining) [2024-02-07 19:30:11,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 65 remaining) [2024-02-07 19:30:11,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 65 remaining) [2024-02-07 19:30:11,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 65 remaining) [2024-02-07 19:30:11,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 65 remaining) [2024-02-07 19:30:11,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 65 remaining) [2024-02-07 19:30:11,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 65 remaining) [2024-02-07 19:30:11,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 65 remaining) [2024-02-07 19:30:11,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 65 remaining) [2024-02-07 19:30:11,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err12ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 65 remaining) [2024-02-07 19:30:11,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 65 remaining) [2024-02-07 19:30:11,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 65 remaining) [2024-02-07 19:30:11,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 65 remaining) [2024-02-07 19:30:11,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 65 remaining) [2024-02-07 19:30:11,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 65 remaining) [2024-02-07 19:30:11,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 65 remaining) [2024-02-07 19:30:11,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 65 remaining) [2024-02-07 19:30:11,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 65 remaining) [2024-02-07 19:30:11,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 65 remaining) [2024-02-07 19:30:11,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 65 remaining) [2024-02-07 19:30:11,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 65 remaining) [2024-02-07 19:30:11,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 65 remaining) [2024-02-07 19:30:11,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 65 remaining) [2024-02-07 19:30:11,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 65 remaining) [2024-02-07 19:30:11,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 65 remaining) [2024-02-07 19:30:11,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 65 remaining) [2024-02-07 19:30:11,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 65 remaining) [2024-02-07 19:30:11,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 65 remaining) [2024-02-07 19:30:11,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 65 remaining) [2024-02-07 19:30:11,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 65 remaining) [2024-02-07 19:30:11,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 65 remaining) [2024-02-07 19:30:11,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 65 remaining) [2024-02-07 19:30:11,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 65 remaining) [2024-02-07 19:30:11,182 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (27 of 65 remaining) [2024-02-07 19:30:11,182 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 65 remaining) [2024-02-07 19:30:11,182 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 65 remaining) [2024-02-07 19:30:11,182 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 65 remaining) [2024-02-07 19:30:11,182 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 65 remaining) [2024-02-07 19:30:11,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 65 remaining) [2024-02-07 19:30:11,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 65 remaining) [2024-02-07 19:30:11,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 65 remaining) [2024-02-07 19:30:11,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 65 remaining) [2024-02-07 19:30:11,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 65 remaining) [2024-02-07 19:30:11,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 65 remaining) [2024-02-07 19:30:11,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 65 remaining) [2024-02-07 19:30:11,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 65 remaining) [2024-02-07 19:30:11,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 65 remaining) [2024-02-07 19:30:11,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 65 remaining) [2024-02-07 19:30:11,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err12ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 65 remaining) [2024-02-07 19:30:11,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 65 remaining) [2024-02-07 19:30:11,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 65 remaining) [2024-02-07 19:30:11,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 65 remaining) [2024-02-07 19:30:11,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 65 remaining) [2024-02-07 19:30:11,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 65 remaining) [2024-02-07 19:30:11,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 65 remaining) [2024-02-07 19:30:11,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 65 remaining) [2024-02-07 19:30:11,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 65 remaining) [2024-02-07 19:30:11,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 65 remaining) [2024-02-07 19:30:11,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 65 remaining) [2024-02-07 19:30:11,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 65 remaining) [2024-02-07 19:30:11,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 65 remaining) [2024-02-07 19:30:11,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 19:30:11,187 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-02-07 19:30:11,192 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 19:30:11,193 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 19:30:11,225 INFO L503 ceAbstractionStarter]: Automizer considered 36 witness invariants [2024-02-07 19:30:11,226 INFO L504 ceAbstractionStarter]: WitnessConsidered=36 [2024-02-07 19:30:11,227 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 07:30:11 BasicIcfg [2024-02-07 19:30:11,227 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 19:30:11,230 INFO L158 Benchmark]: Toolchain (without parser) took 5684.07ms. Allocated memory was 161.5MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 100.3MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 150.8MB. Max. memory is 16.1GB. [2024-02-07 19:30:11,230 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 161.5MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:30:11,230 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 161.5MB. Free memory was 105.1MB in the beginning and 104.8MB in the end (delta: 308.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:30:11,230 INFO L158 Benchmark]: CACSL2BoogieTranslator took 711.35ms. Allocated memory is still 161.5MB. Free memory was 100.3MB in the beginning and 123.2MB in the end (delta: -23.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-02-07 19:30:11,231 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.24ms. Allocated memory is still 161.5MB. Free memory was 123.2MB in the beginning and 120.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 19:30:11,232 INFO L158 Benchmark]: Boogie Preprocessor took 81.65ms. Allocated memory is still 161.5MB. Free memory was 120.6MB in the beginning and 116.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 19:30:11,235 INFO L158 Benchmark]: RCFGBuilder took 1113.91ms. Allocated memory was 161.5MB in the beginning and 255.9MB in the end (delta: 94.4MB). Free memory was 116.4MB in the beginning and 122.8MB in the end (delta: -6.4MB). Peak memory consumption was 97.6MB. Max. memory is 16.1GB. [2024-02-07 19:30:11,237 INFO L158 Benchmark]: TraceAbstraction took 3713.33ms. Allocated memory was 255.9MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 122.8MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 77.7MB. Max. memory is 16.1GB. [2024-02-07 19:30:11,239 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 161.5MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 161.5MB. Free memory was 105.1MB in the beginning and 104.8MB in the end (delta: 308.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 711.35ms. Allocated memory is still 161.5MB. Free memory was 100.3MB in the beginning and 123.2MB in the end (delta: -23.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.24ms. Allocated memory is still 161.5MB. Free memory was 123.2MB in the beginning and 120.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.65ms. Allocated memory is still 161.5MB. Free memory was 120.6MB in the beginning and 116.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1113.91ms. Allocated memory was 161.5MB in the beginning and 255.9MB in the end (delta: 94.4MB). Free memory was 116.4MB in the beginning and 122.8MB in the end (delta: -6.4MB). Peak memory consumption was 97.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3713.33ms. Allocated memory was 255.9MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 122.8MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 77.7MB. 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: 3.5s, 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, 0.0s 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 19:30:11,272 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