./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/thin002_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/thin002_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/thin002_power.oepc.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/thin002_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 19:31:10,417 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:31:10,484 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:31:10,489 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:31:10,489 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:31:10,515 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:31:10,515 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:31:10,516 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:31:10,516 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:31:10,519 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:31:10,520 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:31:10,520 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:31:10,520 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:31:10,521 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:31:10,522 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:31:10,522 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:31:10,522 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:31:10,523 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:31:10,523 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:31:10,523 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:31:10,524 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:31:10,524 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:31:10,525 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:31:10,525 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:31:10,525 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:31:10,525 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:31:10,525 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:31:10,526 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:31:10,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:31:10,526 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:31:10,527 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:31:10,527 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:31:10,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:31:10,528 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:31:10,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:31:10,528 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:31:10,528 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:31:10,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:31:10,529 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:31:10,529 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:31:10,529 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:31:10,529 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:31:10,530 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:31:10,530 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:31:10,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:31:10,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:31:10,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:31:10,753 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:31:10,753 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:31:10,754 INFO L431 ainManager$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/thin002_power.oepc.yml/witness.yml [2024-02-07 19:31:10,899 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:31:10,900 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:31:10,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_power.oepc.i [2024-02-07 19:31:12,107 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:31:12,453 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:31:12,460 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_power.oepc.i [2024-02-07 19:31:12,481 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2f20bf62/186b6475207242bbae7696f39558634d/FLAGcd42871e0 [2024-02-07 19:31:12,493 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2f20bf62/186b6475207242bbae7696f39558634d [2024-02-07 19:31:12,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:31:12,495 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:31:12,497 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:31:12,497 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:31:12,501 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:31:12,501 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:31:10" (1/2) ... [2024-02-07 19:31:12,502 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29aaf59a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:31:12, skipping insertion in model container [2024-02-07 19:31:12,503 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:31:10" (1/2) ... [2024-02-07 19:31:12,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@51badefb and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:31:12, skipping insertion in model container [2024-02-07 19:31:12,504 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:31:12" (2/2) ... [2024-02-07 19:31:12,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29aaf59a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:31:12, skipping insertion in model container [2024-02-07 19:31:12,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:31:12" (2/2) ... [2024-02-07 19:31:12,505 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:31:12,613 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:31:12,614 INFO L76 edCorrectnessWitness]: Location invariant before [L844-L844] a$r_buff1_thd4 == (_Bool)0 [2024-02-07 19:31:12,615 INFO L76 edCorrectnessWitness]: Location invariant before [L870-L870] 0 <= __unbuffered_cnt [2024-02-07 19:31:12,615 INFO L76 edCorrectnessWitness]: Location invariant before [L834-L834] ((0 <= __unbuffered_p3_EAX) && (__unbuffered_p3_EAX <= 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) [2024-02-07 19:31:12,615 INFO L76 edCorrectnessWitness]: Location invariant before [L862-L862] ((((0LL - (long long )a$w_buff0_used) + (long long )a$w_buff1_used >= 0LL) && ((long long )a$w_buff0_used + (long long )a$w_buff1_used >= 0LL)) && ((0LL - (long long )a$w_buff0_used) - (long long )a$w_buff1_used >= 0LL)) && ((long long )a$w_buff0_used - (long long )a$w_buff1_used >= 0LL) [2024-02-07 19:31:12,615 INFO L76 edCorrectnessWitness]: Location invariant before [L871-L871] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:31:12,615 INFO L76 edCorrectnessWitness]: Location invariant before [L841-L841] a$w_buff1_used == (_Bool)0 [2024-02-07 19:31:12,615 INFO L76 edCorrectnessWitness]: Location invariant before [L826-L826] 0 <= __unbuffered_cnt [2024-02-07 19:31:12,615 INFO L76 edCorrectnessWitness]: Location invariant before [L818-L818] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 19:31:12,615 INFO L76 edCorrectnessWitness]: Location invariant before [L878-L878] a$w_buff1_used == (_Bool)0 [2024-02-07 19:31:12,616 INFO L76 edCorrectnessWitness]: Location invariant before [L885-L885] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:31:12,616 INFO L76 edCorrectnessWitness]: Location invariant before [L785-L785] __unbuffered_p0_EAX$read_delayed == (_Bool)1 [2024-02-07 19:31:12,616 INFO L76 edCorrectnessWitness]: Location invariant before [L812-L812] 1 <= __unbuffered_cnt [2024-02-07 19:31:12,616 INFO L76 edCorrectnessWitness]: Location invariant before [L879-L879] a$r_buff1_thd0 == (_Bool)0 [2024-02-07 19:31:12,616 INFO L76 edCorrectnessWitness]: Location invariant before [L804-L804] ((0 <= __unbuffered_p1_EAX) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) [2024-02-07 19:31:12,616 INFO L76 edCorrectnessWitness]: Location invariant before [L19-L19] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 19:31:12,616 INFO L76 edCorrectnessWitness]: Location invariant before [L822-L822] z == 1 [2024-02-07 19:31:12,616 INFO L76 edCorrectnessWitness]: Location invariant before [L797-L797] 1 <= __unbuffered_cnt [2024-02-07 19:31:12,617 INFO L76 edCorrectnessWitness]: Location invariant before [L774-L774] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:31:12,617 INFO L76 edCorrectnessWitness]: Location invariant before [L827-L827] 1 <= __unbuffered_cnt [2024-02-07 19:31:12,617 INFO L76 edCorrectnessWitness]: Location invariant before [L846-L846] 0 <= __unbuffered_cnt [2024-02-07 19:31:12,617 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] ((0 <= __unbuffered_p2_EAX) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) [2024-02-07 19:31:12,618 INFO L76 edCorrectnessWitness]: Location invariant before [L773-L773] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:31:12,618 INFO L76 edCorrectnessWitness]: Location invariant before [L789-L789] a$flush_delayed == (_Bool)0 [2024-02-07 19:31:12,618 INFO L76 edCorrectnessWitness]: Location invariant before [L811-L811] 0 <= __unbuffered_cnt [2024-02-07 19:31:12,618 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 19:31:12,618 INFO L76 edCorrectnessWitness]: Location invariant before [L833-L833] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 19:31:12,618 INFO L76 edCorrectnessWitness]: Location invariant before [L847-L847] 1 <= __unbuffered_cnt [2024-02-07 19:31:12,618 INFO L76 edCorrectnessWitness]: Location invariant before [L775-L775] (((0 <= a) && (a <= 1)) && (a == 0 || a == 1)) && (a$flush_delayed == (_Bool)0 || a$flush_delayed == (_Bool)1) [2024-02-07 19:31:12,618 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] ((0 <= a) && (a <= 1)) && (a == 0 || a == 1) [2024-02-07 19:31:12,619 INFO L76 edCorrectnessWitness]: Location invariant before [L843-L843] a$w_buff1_used == (_Bool)0 [2024-02-07 19:31:12,619 INFO L76 edCorrectnessWitness]: Location invariant before [L807-L807] y == 1 [2024-02-07 19:31:12,619 INFO L76 edCorrectnessWitness]: Location invariant before [L784-L784] a$r_buff1_thd1 == (_Bool)0 [2024-02-07 19:31:12,619 INFO L76 edCorrectnessWitness]: Location invariant before [L792-L792] x == 1 [2024-02-07 19:31:12,619 INFO L76 edCorrectnessWitness]: Location invariant before [L837-L837] a == 1 [2024-02-07 19:31:12,619 INFO L76 edCorrectnessWitness]: Location invariant before [L796-L796] 0 <= __unbuffered_cnt [2024-02-07 19:31:12,619 INFO L76 edCorrectnessWitness]: Location invariant before [L884-L884] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:31:12,620 INFO L76 edCorrectnessWitness]: Location invariant before [L776-L776] ((0 <= a$mem_tmp) && (a$mem_tmp <= 1)) && (a$mem_tmp == 0 || a$mem_tmp == 1) [2024-02-07 19:31:12,620 INFO L76 edCorrectnessWitness]: Location invariant before [L876-L876] a$w_buff1_used == (_Bool)0 [2024-02-07 19:31:12,621 INFO L76 edCorrectnessWitness]: Location invariant before [L883-L883] ((((0 <= __unbuffered_p3_EAX) && (__unbuffered_p3_EAX <= 1)) && (__unbuffered_p0_EAX == 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)) && ((__unbuffered_p1_EAX == 1 && (__unbuffered_p2_EAX == 1 || ((0 <= __unbuffered_p2_EAX && __unbuffered_p2_EAX <= 1) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)))) || (((((0 <= __unbuffered_p1_EAX && 0 <= __unbuffered_p2_EAX) && __unbuffered_p1_EAX <= 1) && __unbuffered_p2_EAX <= 1) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1))) [2024-02-07 19:31:12,621 INFO L76 edCorrectnessWitness]: Location invariant before [L872-L872] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:31:12,622 INFO L76 edCorrectnessWitness]: Location invariant before [L786-L786] ((((((0 <= a) && (0 <= *__unbuffered_p0_EAX$read_delayed_var)) && (a <= 1)) && (*__unbuffered_p0_EAX$read_delayed_var <= 1)) && (__unbuffered_p0_EAX$read_delayed_var == & a)) && (a == 0 || a == 1)) && (*__unbuffered_p0_EAX$read_delayed_var == 0 || *__unbuffered_p0_EAX$read_delayed_var == 1) [2024-02-07 19:31:12,665 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:31:12,827 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/thin002_power.oepc.i[995,1008] [2024-02-07 19:31:13,034 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:31:13,047 INFO L206 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 19:31:13,077 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/thin002_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 Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 19:31:13,168 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:31:13,198 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:31:13,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:31:13 WrapperNode [2024-02-07 19:31:13,200 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:31:13,201 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:31:13,201 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:31:13,201 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:31:13,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:31:13" (1/1) ... [2024-02-07 19:31:13,235 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:31:13" (1/1) ... [2024-02-07 19:31:13,267 INFO L138 Inliner]: procedures = 177, calls = 99, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 165 [2024-02-07 19:31:13,268 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:31:13,268 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:31:13,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:31:13,269 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:31:13,277 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:31:13" (1/1) ... [2024-02-07 19:31:13,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:31:13" (1/1) ... [2024-02-07 19:31:13,281 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:31:13" (1/1) ... [2024-02-07 19:31:13,305 INFO L175 MemorySlicer]: Split 38 memory accesses to 6 slices as follows [2, 32, 1, 1, 1, 1]. 84 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1, 0, 0, 0, 0]. The 9 writes are split as follows [0, 5, 1, 1, 1, 1]. [2024-02-07 19:31:13,314 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:31:13" (1/1) ... [2024-02-07 19:31:13,314 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:31:13" (1/1) ... [2024-02-07 19:31:13,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:31:13" (1/1) ... [2024-02-07 19:31:13,336 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:31:13" (1/1) ... [2024-02-07 19:31:13,354 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:31:13" (1/1) ... [2024-02-07 19:31:13,356 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:31:13" (1/1) ... [2024-02-07 19:31:13,359 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:31:13,360 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:31:13,360 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:31:13,360 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:31:13,361 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:31:13" (1/1) ... [2024-02-07 19:31:13,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:31:13,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:31:13,414 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 19:31:13,428 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 19:31:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 19:31:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 19:31:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 19:31:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 19:31:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-02-07 19:31:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-02-07 19:31:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:31:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:31:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:31:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:31:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 19:31:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-02-07 19:31:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 19:31:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:31:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:31:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:31:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 19:31:13,457 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 19:31:13,459 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 19:31:13,459 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 19:31:13,459 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 19:31:13,460 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 19:31:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 19:31:13,460 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 19:31:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:31:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:31:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:31:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:31:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 19:31:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-02-07 19:31:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 19:31:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:31:13,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:31:13,463 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 19:31:13,627 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:31:13,629 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:31:14,119 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:31:14,121 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:31:14,568 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:31:14,569 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 19:31:14,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:31:14 BoogieIcfgContainer [2024-02-07 19:31:14,569 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:31:14,572 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:31:14,572 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:31:14,574 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:31:14,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:31:10" (1/4) ... [2024-02-07 19:31:14,575 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cce79d7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:31:14, skipping insertion in model container [2024-02-07 19:31:14,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:31:12" (2/4) ... [2024-02-07 19:31:14,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cce79d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:31:14, skipping insertion in model container [2024-02-07 19:31:14,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:31:13" (3/4) ... [2024-02-07 19:31:14,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cce79d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:31:14, skipping insertion in model container [2024-02-07 19:31:14,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:31:14" (4/4) ... [2024-02-07 19:31:14,577 INFO L112 eAbstractionObserver]: Analyzing ICFG thin002_power.oepc.i [2024-02-07 19:31:14,592 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:31:14,592 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2024-02-07 19:31:14,593 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:31:14,700 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 19:31:14,734 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 103 places, 91 transitions, 198 flow [2024-02-07 19:31:14,781 INFO L124 PetriNetUnfolderBase]: 1/87 cut-off events. [2024-02-07 19:31:14,782 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:31:14,786 INFO L83 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 87 events. 1/87 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 332 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 89. Up to 2 conditions per place. [2024-02-07 19:31:14,786 INFO L82 GeneralOperation]: Start removeDead. Operand has 103 places, 91 transitions, 198 flow [2024-02-07 19:31:14,790 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 99 places, 87 transitions, 186 flow [2024-02-07 19:31:14,802 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:31:14,810 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;@360fac26, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:31:14,811 INFO L358 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2024-02-07 19:31:14,813 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:31:14,813 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 19:31:14,813 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:31:14,813 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:31:14,813 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 19:31:14,814 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 73 more)] === [2024-02-07 19:31:14,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:31:14,817 INFO L85 PathProgramCache]: Analyzing trace with hash 29874, now seen corresponding path program 1 times [2024-02-07 19:31:14,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:31:14,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408770488] [2024-02-07 19:31:14,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:31:14,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:31:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:31:15,144 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 19:31:15,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:31:15,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408770488] [2024-02-07 19:31:15,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408770488] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:31:15,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:31:15,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:31:15,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516571103] [2024-02-07 19:31:15,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:31:15,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:31:15,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:31:15,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:31:15,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:31:15,188 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 91 [2024-02-07 19:31:15,190 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 87 transitions, 186 flow. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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 19:31:15,190 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:31:15,191 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 91 [2024-02-07 19:31:15,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:31:39,630 INFO L124 PetriNetUnfolderBase]: 168356/244064 cut-off events. [2024-02-07 19:31:39,630 INFO L125 PetriNetUnfolderBase]: For 465/465 co-relation queries the response was YES. [2024-02-07 19:31:40,127 INFO L83 FinitePrefix]: Finished finitePrefix Result has 463220 conditions, 244064 events. 168356/244064 cut-off events. For 465/465 co-relation queries the response was YES. Maximal size of possible extension queue 9709. Compared 2110373 event pairs, 168356 based on Foata normal form. 3920/156247 useless extension candidates. Maximal degree in co-relation 463206. Up to 218008 conditions per place. [2024-02-07 19:31:41,320 INFO L140 encePairwiseOnDemand]: 66/91 looper letters, 47 selfloop transitions, 1 changer transitions 0/63 dead transitions. [2024-02-07 19:31:41,320 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 63 transitions, 234 flow [2024-02-07 19:31:41,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 19:31:41,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 19:31:41,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 129 transitions. [2024-02-07 19:31:41,329 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4725274725274725 [2024-02-07 19:31:41,331 INFO L175 Difference]: Start difference. First operand has 99 places, 87 transitions, 186 flow. Second operand 3 states and 129 transitions. [2024-02-07 19:31:41,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 63 transitions, 234 flow [2024-02-07 19:31:41,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 63 transitions, 230 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-02-07 19:31:41,357 INFO L231 Difference]: Finished difference. Result has 74 places, 63 transitions, 136 flow [2024-02-07 19:31:41,359 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=136, PETRI_PLACES=74, PETRI_TRANSITIONS=63} [2024-02-07 19:31:41,361 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -25 predicate places. [2024-02-07 19:31:41,361 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 63 transitions, 136 flow [2024-02-07 19:31:41,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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 19:31:41,362 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:31:41,362 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 19:31:41,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 19:31:41,362 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 73 more)] === [2024-02-07 19:31:41,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:31:41,363 INFO L85 PathProgramCache]: Analyzing trace with hash 891002299, now seen corresponding path program 1 times [2024-02-07 19:31:41,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:31:41,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015811236] [2024-02-07 19:31:41,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:31:41,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:31:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:31:41,400 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 19:31:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:31:41,446 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 19:31:41,447 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 19:31:41,448 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 76 remaining) [2024-02-07 19:31:41,450 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 76 remaining) [2024-02-07 19:31:41,450 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 76 remaining) [2024-02-07 19:31:41,450 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 76 remaining) [2024-02-07 19:31:41,450 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 76 remaining) [2024-02-07 19:31:41,450 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 76 remaining) [2024-02-07 19:31:41,450 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 76 remaining) [2024-02-07 19:31:41,451 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 76 remaining) [2024-02-07 19:31:41,451 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 76 remaining) [2024-02-07 19:31:41,451 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 76 remaining) [2024-02-07 19:31:41,451 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 76 remaining) [2024-02-07 19:31:41,452 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 76 remaining) [2024-02-07 19:31:41,452 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 76 remaining) [2024-02-07 19:31:41,452 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 76 remaining) [2024-02-07 19:31:41,452 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 76 remaining) [2024-02-07 19:31:41,453 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 76 remaining) [2024-02-07 19:31:41,453 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 76 remaining) [2024-02-07 19:31:41,453 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 76 remaining) [2024-02-07 19:31:41,453 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 76 remaining) [2024-02-07 19:31:41,453 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 76 remaining) [2024-02-07 19:31:41,454 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 76 remaining) [2024-02-07 19:31:41,455 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 76 remaining) [2024-02-07 19:31:41,457 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 76 remaining) [2024-02-07 19:31:41,457 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 76 remaining) [2024-02-07 19:31:41,457 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 76 remaining) [2024-02-07 19:31:41,457 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 76 remaining) [2024-02-07 19:31:41,458 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 76 remaining) [2024-02-07 19:31:41,458 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 76 remaining) [2024-02-07 19:31:41,458 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 76 remaining) [2024-02-07 19:31:41,458 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 76 remaining) [2024-02-07 19:31:41,458 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err7ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 76 remaining) [2024-02-07 19:31:41,458 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 76 remaining) [2024-02-07 19:31:41,458 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 76 remaining) [2024-02-07 19:31:41,459 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 76 remaining) [2024-02-07 19:31:41,459 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 76 remaining) [2024-02-07 19:31:41,459 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 76 remaining) [2024-02-07 19:31:41,459 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 76 remaining) [2024-02-07 19:31:41,459 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 76 remaining) [2024-02-07 19:31:41,459 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 76 remaining) [2024-02-07 19:31:41,460 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 76 remaining) [2024-02-07 19:31:41,460 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 76 remaining) [2024-02-07 19:31:41,460 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 76 remaining) [2024-02-07 19:31:41,461 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (33 of 76 remaining) [2024-02-07 19:31:41,461 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 76 remaining) [2024-02-07 19:31:41,462 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 76 remaining) [2024-02-07 19:31:41,462 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 76 remaining) [2024-02-07 19:31:41,462 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 76 remaining) [2024-02-07 19:31:41,462 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 76 remaining) [2024-02-07 19:31:41,462 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 76 remaining) [2024-02-07 19:31:41,462 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 76 remaining) [2024-02-07 19:31:41,463 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 76 remaining) [2024-02-07 19:31:41,463 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 76 remaining) [2024-02-07 19:31:41,463 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 76 remaining) [2024-02-07 19:31:41,466 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 76 remaining) [2024-02-07 19:31:41,467 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 76 remaining) [2024-02-07 19:31:41,467 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 76 remaining) [2024-02-07 19:31:41,467 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 76 remaining) [2024-02-07 19:31:41,467 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 76 remaining) [2024-02-07 19:31:41,467 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 76 remaining) [2024-02-07 19:31:41,467 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 76 remaining) [2024-02-07 19:31:41,468 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 76 remaining) [2024-02-07 19:31:41,468 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 76 remaining) [2024-02-07 19:31:41,468 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 76 remaining) [2024-02-07 19:31:41,468 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 76 remaining) [2024-02-07 19:31:41,468 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 76 remaining) [2024-02-07 19:31:41,468 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 76 remaining) [2024-02-07 19:31:41,468 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 76 remaining) [2024-02-07 19:31:41,469 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 76 remaining) [2024-02-07 19:31:41,469 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 76 remaining) [2024-02-07 19:31:41,469 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 76 remaining) [2024-02-07 19:31:41,469 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 76 remaining) [2024-02-07 19:31:41,469 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 76 remaining) [2024-02-07 19:31:41,469 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 76 remaining) [2024-02-07 19:31:41,469 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 76 remaining) [2024-02-07 19:31:41,470 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 76 remaining) [2024-02-07 19:31:41,470 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err7ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 76 remaining) [2024-02-07 19:31:41,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 19:31:41,470 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-02-07 19:31:41,477 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 19:31:41,477 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 19:31:41,519 INFO L503 ceAbstractionStarter]: Automizer considered 41 witness invariants [2024-02-07 19:31:41,519 INFO L504 ceAbstractionStarter]: WitnessConsidered=41 [2024-02-07 19:31:41,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 07:31:41 BasicIcfg [2024-02-07 19:31:41,520 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 19:31:41,520 INFO L158 Benchmark]: Toolchain (without parser) took 29025.58ms. Allocated memory was 157.3MB in the beginning and 13.5GB in the end (delta: 13.3GB). Free memory was 121.4MB in the beginning and 12.0GB in the end (delta: -11.9GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-02-07 19:31:41,521 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 157.3MB. Free memory was 116.6MB in the beginning and 116.6MB in the end (delta: 81.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:31:41,521 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 157.3MB. Free memory was 126.5MB in the beginning and 126.4MB in the end (delta: 80.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:31:41,521 INFO L158 Benchmark]: CACSL2BoogieTranslator took 702.81ms. Allocated memory is still 157.3MB. Free memory was 121.4MB in the beginning and 77.9MB in the end (delta: 43.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-02-07 19:31:41,522 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.43ms. Allocated memory is still 157.3MB. Free memory was 77.9MB in the beginning and 75.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 19:31:41,524 INFO L158 Benchmark]: Boogie Preprocessor took 90.67ms. Allocated memory is still 157.3MB. Free memory was 75.2MB in the beginning and 70.5MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 19:31:41,524 INFO L158 Benchmark]: RCFGBuilder took 1210.02ms. Allocated memory was 157.3MB in the beginning and 197.1MB in the end (delta: 39.8MB). Free memory was 70.5MB in the beginning and 112.4MB in the end (delta: -41.9MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2024-02-07 19:31:41,525 INFO L158 Benchmark]: TraceAbstraction took 26948.37ms. Allocated memory was 197.1MB in the beginning and 13.5GB in the end (delta: 13.3GB). Free memory was 112.4MB in the beginning and 12.0GB in the end (delta: -11.9GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-02-07 19:31:41,527 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 157.3MB. Free memory was 116.6MB in the beginning and 116.6MB in the end (delta: 81.1kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 157.3MB. Free memory was 126.5MB in the beginning and 126.4MB in the end (delta: 80.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 702.81ms. Allocated memory is still 157.3MB. Free memory was 121.4MB in the beginning and 77.9MB in the end (delta: 43.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.43ms. Allocated memory is still 157.3MB. Free memory was 77.9MB in the beginning and 75.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.67ms. Allocated memory is still 157.3MB. Free memory was 75.2MB in the beginning and 70.5MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1210.02ms. Allocated memory was 157.3MB in the beginning and 197.1MB in the end (delta: 39.8MB). Free memory was 70.5MB in the beginning and 112.4MB in the end (delta: -41.9MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. * TraceAbstraction took 26948.37ms. Allocated memory was 197.1MB in the beginning and 13.5GB in the end (delta: 13.3GB). Free memory was 112.4MB in the beginning and 12.0GB in the end (delta: -11.9GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 773]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L711] 0 int __unbuffered_cnt = 0; [L713] 0 int __unbuffered_p0_EAX = 0; [L714] 0 _Bool __unbuffered_p0_EAX$flush_delayed; [L715] 0 int __unbuffered_p0_EAX$mem_tmp; [L716] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd0; [L717] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd1; [L718] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd2; [L719] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd3; [L720] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd4; [L721] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd0; [L722] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd1; [L723] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd2; [L724] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd3; [L725] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd4; [L726] 0 _Bool __unbuffered_p0_EAX$read_delayed; [L727] 0 int *__unbuffered_p0_EAX$read_delayed_var; [L728] 0 int __unbuffered_p0_EAX$w_buff0; [L729] 0 _Bool __unbuffered_p0_EAX$w_buff0_used; [L730] 0 int __unbuffered_p0_EAX$w_buff1; [L731] 0 _Bool __unbuffered_p0_EAX$w_buff1_used; [L733] 0 int __unbuffered_p1_EAX = 0; [L735] 0 int __unbuffered_p2_EAX = 0; [L737] 0 int __unbuffered_p3_EAX = 0; [L739] 0 int a = 0; [L739] 0 int a = 0; [L740] 0 _Bool a$flush_delayed; [L741] 0 int a$mem_tmp; [L742] 0 _Bool a$r_buff0_thd0; [L743] 0 _Bool a$r_buff0_thd1; [L744] 0 _Bool a$r_buff0_thd2; [L745] 0 _Bool a$r_buff0_thd3; [L746] 0 _Bool a$r_buff0_thd4; [L747] 0 _Bool a$r_buff1_thd0; [L748] 0 _Bool a$r_buff1_thd1; [L749] 0 _Bool a$r_buff1_thd2; [L750] 0 _Bool a$r_buff1_thd3; [L751] 0 _Bool a$r_buff1_thd4; [L752] 0 _Bool a$read_delayed; [L753] 0 int *a$read_delayed_var; [L754] 0 int a$w_buff0; [L755] 0 _Bool a$w_buff0_used; [L756] 0 int a$w_buff1; [L757] 0 _Bool a$w_buff1_used; [L758] 0 _Bool main$tmp_guard0; [L759] 0 _Bool main$tmp_guard1; [L761] 0 int x = 0; [L763] 0 int y = 0; [L765] 0 int z = 0; [L766] 0 _Bool weak$$choice0; [L767] 0 _Bool weak$$choice1; [L768] 0 _Bool weak$$choice2; [L861] 0 pthread_t t2705; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a={3:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2705={5:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y=0, z=0] [L862] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[a$w_buff0_used]]],CastExpression[ACSLType[long long],IdentifierExpression[a$w_buff1_used]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[a$w_buff0_used]],CastExpression[ACSLType[long long],IdentifierExpression[a$w_buff1_used]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[a$w_buff0_used]]],CastExpression[ACSLType[long long],IdentifierExpression[a$w_buff1_used]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[a$w_buff0_used]],CastExpression[ACSLType[long long],IdentifierExpression[a$w_buff1_used]]],IntegerLiteral[0LL]]]]] [L862] FCALL, FORK 0 pthread_create(&t2705, ((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$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a={3:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2705={5:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y=0, z=0] [L772] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L773] 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$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a={3:0}, 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=0] - UnprovableResult [Line: 774]: 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: 784]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 785]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 786]: 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: 789]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 792]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 796]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 797]: 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: 804]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 807]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 811]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 812]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 818]: 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: 822]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 826]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 827]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 833]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 834]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 837]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 841]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 843]: 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: 846]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 847]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 862]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 870]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 871]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 872]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 876]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 878]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 879]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 883]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 884]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 885]: 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: 862]: 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: 868]: 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: 866]: 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: 864]: 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 9 procedures, 154 locations, 76 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: 26.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 26.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 42 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 1 mSDtfsCounter, 49 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=186occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 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 19:31:41,562 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