./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 958ec4d9 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-wmm/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-dev-958ec4d-m [2024-02-07 14:53:05,097 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:53:05,168 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:53:05,173 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:53:05,174 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:53:05,207 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:53:05,208 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:53:05,209 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:53:05,209 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:53:05,213 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:53:05,213 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:53:05,214 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:53:05,214 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:53:05,215 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:53:05,216 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:53:05,216 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:53:05,216 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:53:05,216 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:53:05,217 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:53:05,217 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:53:05,217 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:53:05,218 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:53:05,218 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:53:05,218 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:53:05,218 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:53:05,219 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:53:05,219 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:53:05,219 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:53:05,220 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:53:05,220 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:53:05,221 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:53:05,221 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:53:05,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:53:05,221 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:53:05,222 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:53:05,222 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:53:05,222 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:53:05,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:53:05,222 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:53:05,223 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:53:05,223 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:53:05,223 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:53:05,223 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:53:05,224 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:53:05,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:53:05,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:53:05,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:53:05,577 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:53:05,577 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:53:05,578 INFO L431 ainManager$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 14:53:05,722 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:53:05,722 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:53:05,724 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_power.oepc.i [2024-02-07 14:53:06,965 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:53:07,235 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:53:07,239 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_power.oepc.i [2024-02-07 14:53:07,264 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b17f5087b/db58afbab1974b799c83729f92e23f3b/FLAGb31589b67 [2024-02-07 14:53:07,277 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b17f5087b/db58afbab1974b799c83729f92e23f3b [2024-02-07 14:53:07,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:53:07,279 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:53:07,282 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:53:07,282 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:53:07,286 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:53:07,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:53:05" (1/2) ... [2024-02-07 14:53:07,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@86b3a07 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:53:07, skipping insertion in model container [2024-02-07 14:53:07,287 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:53:05" (1/2) ... [2024-02-07 14:53:07,289 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@44064570 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:53:07, skipping insertion in model container [2024-02-07 14:53:07,289 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:53:07" (2/2) ... [2024-02-07 14:53:07,290 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@86b3a07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:53:07, skipping insertion in model container [2024-02-07 14:53:07,290 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:53:07" (2/2) ... [2024-02-07 14:53:07,291 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:53:07,408 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:53:07,409 INFO L76 edCorrectnessWitness]: Location invariant before [L826-L826] 0 <= __unbuffered_cnt [2024-02-07 14:53:07,409 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$read_delayed_var == 1) [2024-02-07 14:53:07,410 INFO L76 edCorrectnessWitness]: Location invariant before [L878-L878] a$w_buff1_used == (_Bool)0 [2024-02-07 14:53:07,410 INFO L76 edCorrectnessWitness]: Location invariant before [L833-L833] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 14:53:07,410 INFO L76 edCorrectnessWitness]: Location invariant before [L870-L870] 0 <= __unbuffered_cnt [2024-02-07 14:53:07,410 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 14:53:07,410 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 14:53:07,410 INFO L76 edCorrectnessWitness]: Location invariant before [L846-L846] 0 <= __unbuffered_cnt [2024-02-07 14:53:07,410 INFO L76 edCorrectnessWitness]: Location invariant before [L807-L807] y == 1 [2024-02-07 14:53:07,411 INFO L76 edCorrectnessWitness]: Location invariant before [L885-L885] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:53:07,411 INFO L76 edCorrectnessWitness]: Location invariant before [L19-L19] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 14:53:07,411 INFO L76 edCorrectnessWitness]: Location invariant before [L827-L827] 1 <= __unbuffered_cnt [2024-02-07 14:53:07,411 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] ((0 <= a) && (a <= 1)) && (a == 0 || a == 1) [2024-02-07 14:53:07,411 INFO L76 edCorrectnessWitness]: Location invariant before [L822-L822] z == 1 [2024-02-07 14:53:07,411 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 14:53:07,412 INFO L76 edCorrectnessWitness]: Location invariant before [L812-L812] 1 <= __unbuffered_cnt [2024-02-07 14:53:07,412 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 14:53:07,412 INFO L76 edCorrectnessWitness]: Location invariant before [L811-L811] 0 <= __unbuffered_cnt [2024-02-07 14:53:07,412 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 14:53:07,412 INFO L76 edCorrectnessWitness]: Location invariant before [L872-L872] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:53:07,412 INFO L76 edCorrectnessWitness]: Location invariant before [L847-L847] 1 <= __unbuffered_cnt [2024-02-07 14:53:07,413 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 14:53:07,413 INFO L76 edCorrectnessWitness]: Location invariant before [L879-L879] a$r_buff1_thd0 == (_Bool)0 [2024-02-07 14:53:07,413 INFO L76 edCorrectnessWitness]: Location invariant before [L785-L785] __unbuffered_p0_EAX$read_delayed == (_Bool)1 [2024-02-07 14:53:07,414 INFO L76 edCorrectnessWitness]: Location invariant before [L797-L797] 1 <= __unbuffered_cnt [2024-02-07 14:53:07,414 INFO L76 edCorrectnessWitness]: Location invariant before [L774-L774] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:53:07,414 INFO L76 edCorrectnessWitness]: Location invariant before [L841-L841] a$w_buff1_used == (_Bool)0 [2024-02-07 14:53:07,414 INFO L76 edCorrectnessWitness]: Location invariant before [L792-L792] x == 1 [2024-02-07 14:53:07,414 INFO L76 edCorrectnessWitness]: Location invariant before [L789-L789] a$flush_delayed == (_Bool)0 [2024-02-07 14:53:07,414 INFO L76 edCorrectnessWitness]: Location invariant before [L818-L818] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 14:53:07,414 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 14:53:07,415 INFO L76 edCorrectnessWitness]: Location invariant before [L844-L844] a$r_buff1_thd4 == (_Bool)0 [2024-02-07 14:53:07,415 INFO L76 edCorrectnessWitness]: Location invariant before [L804-L804] ((0 <= __unbuffered_p1_EAX) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) [2024-02-07 14:53:07,415 INFO L76 edCorrectnessWitness]: Location invariant before [L843-L843] a$w_buff1_used == (_Bool)0 [2024-02-07 14:53:07,415 INFO L76 edCorrectnessWitness]: Location invariant before [L784-L784] a$r_buff1_thd1 == (_Bool)0 [2024-02-07 14:53:07,416 INFO L76 edCorrectnessWitness]: Location invariant before [L884-L884] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:53:07,416 INFO L76 edCorrectnessWitness]: Location invariant before [L796-L796] 0 <= __unbuffered_cnt [2024-02-07 14:53:07,416 INFO L76 edCorrectnessWitness]: Location invariant before [L837-L837] a == 1 [2024-02-07 14:53:07,417 INFO L76 edCorrectnessWitness]: Location invariant before [L876-L876] a$w_buff1_used == (_Bool)0 [2024-02-07 14:53:07,417 INFO L76 edCorrectnessWitness]: Location invariant before [L773-L773] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:53:07,418 INFO L76 edCorrectnessWitness]: Location invariant before [L871-L871] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:53:07,474 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:53:07,671 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 14:53:07,889 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:53:07,899 INFO L203 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 14:53:07,934 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 14:53:08,046 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:53:08,095 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:53:08,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:53:08 WrapperNode [2024-02-07 14:53:08,096 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:53:08,097 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:53:08,097 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:53:08,098 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:53:08,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:53:08" (1/1) ... [2024-02-07 14:53:08,127 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:53:08" (1/1) ... [2024-02-07 14:53:08,156 INFO L138 Inliner]: procedures = 177, calls = 99, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 165 [2024-02-07 14:53:08,157 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:53:08,162 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:53:08,162 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:53:08,162 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:53:08,172 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:53:08" (1/1) ... [2024-02-07 14:53:08,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:53:08" (1/1) ... [2024-02-07 14:53:08,177 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:53:08" (1/1) ... [2024-02-07 14:53:08,199 INFO L175 MemorySlicer]: Split 38 memory accesses to 6 slices as follows [32, 2, 1, 1, 1, 1]. 84 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [1, 2, 0, 0, 0, 0]. The 9 writes are split as follows [5, 0, 1, 1, 1, 1]. [2024-02-07 14:53:08,199 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:53:08" (1/1) ... [2024-02-07 14:53:08,200 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:53:08" (1/1) ... [2024-02-07 14:53:08,216 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:53:08" (1/1) ... [2024-02-07 14:53:08,221 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:53:08" (1/1) ... [2024-02-07 14:53:08,226 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:53:08" (1/1) ... [2024-02-07 14:53:08,228 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:53:08" (1/1) ... [2024-02-07 14:53:08,238 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:53:08,238 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:53:08,238 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:53:08,239 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:53:08,239 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:53:08" (1/1) ... [2024-02-07 14:53:08,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:53:08,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:53:08,280 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-07 14:53:08,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-07 14:53:08,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 14:53:08,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 14:53:08,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 14:53:08,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 14:53:08,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-02-07 14:53:08,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-02-07 14:53:08,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:53:08,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:53:08,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:53:08,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 14:53:08,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 14:53:08,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-02-07 14:53:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:53:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:53:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:53:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:53:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 14:53:08,377 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 14:53:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 14:53:08,379 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 14:53:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 14:53:08,380 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 14:53:08,380 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 14:53:08,380 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 14:53:08,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:53:08,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:53:08,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:53:08,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 14:53:08,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 14:53:08,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-02-07 14:53:08,381 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:53:08,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:53:08,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:53:08,383 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-07 14:53:08,573 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:53:08,575 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:53:09,019 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:53:09,019 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:53:09,588 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:53:09,588 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 14:53:09,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:53:09 BoogieIcfgContainer [2024-02-07 14:53:09,590 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:53:09,593 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:53:09,593 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:53:09,596 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:53:09,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:53:05" (1/4) ... [2024-02-07 14:53:09,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@422a0663 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:53:09, skipping insertion in model container [2024-02-07 14:53:09,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:53:07" (2/4) ... [2024-02-07 14:53:09,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@422a0663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:53:09, skipping insertion in model container [2024-02-07 14:53:09,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:53:08" (3/4) ... [2024-02-07 14:53:09,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@422a0663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:53:09, skipping insertion in model container [2024-02-07 14:53:09,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:53:09" (4/4) ... [2024-02-07 14:53:09,600 INFO L112 eAbstractionObserver]: Analyzing ICFG thin002_power.oepc.i [2024-02-07 14:53:09,618 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:53:09,618 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2024-02-07 14:53:09,618 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:53:09,752 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:53:09,789 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 103 places, 91 transitions, 198 flow [2024-02-07 14:53:09,848 INFO L124 PetriNetUnfolderBase]: 1/87 cut-off events. [2024-02-07 14:53:09,848 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:53:09,853 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 14:53:09,853 INFO L82 GeneralOperation]: Start removeDead. Operand has 103 places, 91 transitions, 198 flow [2024-02-07 14:53:09,857 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 99 places, 87 transitions, 186 flow [2024-02-07 14:53:09,865 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:53:09,870 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;@3273e185, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:53:09,871 INFO L358 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2024-02-07 14:53:09,873 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:53:09,873 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 14:53:09,873 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:53:09,874 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:53:09,874 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 14:53:09,874 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 14:53:09,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:53:09,879 INFO L85 PathProgramCache]: Analyzing trace with hash 29874, now seen corresponding path program 1 times [2024-02-07 14:53:09,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:53:09,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044179658] [2024-02-07 14:53:09,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:53:09,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:53:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:53:10,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:53:10,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:53:10,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044179658] [2024-02-07 14:53:10,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044179658] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:53:10,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:53:10,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:53:10,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790894871] [2024-02-07 14:53:10,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:53:10,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:53:10,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:53:10,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:53:10,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:53:10,348 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 91 [2024-02-07 14:53:10,350 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 14:53:10,350 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:53:10,350 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 91 [2024-02-07 14:53:10,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:53:36,104 INFO L124 PetriNetUnfolderBase]: 168356/244064 cut-off events. [2024-02-07 14:53:36,104 INFO L125 PetriNetUnfolderBase]: For 465/465 co-relation queries the response was YES. [2024-02-07 14:53:36,623 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 14:53:37,829 INFO L140 encePairwiseOnDemand]: 66/91 looper letters, 47 selfloop transitions, 1 changer transitions 0/63 dead transitions. [2024-02-07 14:53:37,830 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 63 transitions, 234 flow [2024-02-07 14:53:37,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:53:37,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:53:37,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 129 transitions. [2024-02-07 14:53:37,841 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4725274725274725 [2024-02-07 14:53:37,842 INFO L175 Difference]: Start difference. First operand has 99 places, 87 transitions, 186 flow. Second operand 3 states and 129 transitions. [2024-02-07 14:53:37,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 63 transitions, 234 flow [2024-02-07 14:53:37,867 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 14:53:37,870 INFO L231 Difference]: Finished difference. Result has 74 places, 63 transitions, 136 flow [2024-02-07 14:53:37,872 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 14:53:37,876 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -25 predicate places. [2024-02-07 14:53:37,876 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 63 transitions, 136 flow [2024-02-07 14:53:37,876 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 14:53:37,877 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:53:37,877 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 14:53:37,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:53:37,877 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 73 more)] === [2024-02-07 14:53:37,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:53:37,878 INFO L85 PathProgramCache]: Analyzing trace with hash 891002299, now seen corresponding path program 1 times [2024-02-07 14:53:37,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:53:37,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462830046] [2024-02-07 14:53:37,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:53:37,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:53:37,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:53:37,901 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 14:53:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:53:37,936 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 14:53:37,936 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 14:53:37,938 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 76 remaining) [2024-02-07 14:53:37,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 76 remaining) [2024-02-07 14:53:37,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 76 remaining) [2024-02-07 14:53:37,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 76 remaining) [2024-02-07 14:53:37,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 76 remaining) [2024-02-07 14:53:37,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 76 remaining) [2024-02-07 14:53:37,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 76 remaining) [2024-02-07 14:53:37,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 76 remaining) [2024-02-07 14:53:37,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 76 remaining) [2024-02-07 14:53:37,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 76 remaining) [2024-02-07 14:53:37,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 76 remaining) [2024-02-07 14:53:37,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 76 remaining) [2024-02-07 14:53:37,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 76 remaining) [2024-02-07 14:53:37,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 76 remaining) [2024-02-07 14:53:37,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 76 remaining) [2024-02-07 14:53:37,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 76 remaining) [2024-02-07 14:53:37,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 76 remaining) [2024-02-07 14:53:37,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 76 remaining) [2024-02-07 14:53:37,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 76 remaining) [2024-02-07 14:53:37,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 76 remaining) [2024-02-07 14:53:37,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 76 remaining) [2024-02-07 14:53:37,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 76 remaining) [2024-02-07 14:53:37,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 76 remaining) [2024-02-07 14:53:37,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 76 remaining) [2024-02-07 14:53:37,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 76 remaining) [2024-02-07 14:53:37,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 76 remaining) [2024-02-07 14:53:37,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 76 remaining) [2024-02-07 14:53:37,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 76 remaining) [2024-02-07 14:53:37,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 76 remaining) [2024-02-07 14:53:37,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 76 remaining) [2024-02-07 14:53:37,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err7ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 76 remaining) [2024-02-07 14:53:37,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 76 remaining) [2024-02-07 14:53:37,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 76 remaining) [2024-02-07 14:53:37,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 76 remaining) [2024-02-07 14:53:37,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 76 remaining) [2024-02-07 14:53:37,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 76 remaining) [2024-02-07 14:53:37,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 76 remaining) [2024-02-07 14:53:37,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 76 remaining) [2024-02-07 14:53:37,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 76 remaining) [2024-02-07 14:53:37,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 76 remaining) [2024-02-07 14:53:37,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 76 remaining) [2024-02-07 14:53:37,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 76 remaining) [2024-02-07 14:53:37,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (33 of 76 remaining) [2024-02-07 14:53:37,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 76 remaining) [2024-02-07 14:53:37,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 76 remaining) [2024-02-07 14:53:37,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 76 remaining) [2024-02-07 14:53:37,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 76 remaining) [2024-02-07 14:53:37,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 76 remaining) [2024-02-07 14:53:37,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 76 remaining) [2024-02-07 14:53:37,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 76 remaining) [2024-02-07 14:53:37,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 76 remaining) [2024-02-07 14:53:37,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 76 remaining) [2024-02-07 14:53:37,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 76 remaining) [2024-02-07 14:53:37,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 76 remaining) [2024-02-07 14:53:37,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 76 remaining) [2024-02-07 14:53:37,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 76 remaining) [2024-02-07 14:53:37,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 76 remaining) [2024-02-07 14:53:37,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 76 remaining) [2024-02-07 14:53:37,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 76 remaining) [2024-02-07 14:53:37,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 76 remaining) [2024-02-07 14:53:37,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 76 remaining) [2024-02-07 14:53:37,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 76 remaining) [2024-02-07 14:53:37,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 76 remaining) [2024-02-07 14:53:37,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 76 remaining) [2024-02-07 14:53:37,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 76 remaining) [2024-02-07 14:53:37,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 76 remaining) [2024-02-07 14:53:37,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 76 remaining) [2024-02-07 14:53:37,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 76 remaining) [2024-02-07 14:53:37,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 76 remaining) [2024-02-07 14:53:37,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 76 remaining) [2024-02-07 14:53:37,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 76 remaining) [2024-02-07 14:53:37,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 76 remaining) [2024-02-07 14:53:37,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 76 remaining) [2024-02-07 14:53:37,963 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 76 remaining) [2024-02-07 14:53:37,963 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 76 remaining) [2024-02-07 14:53:37,963 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err7ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 76 remaining) [2024-02-07 14:53:37,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 14:53:37,964 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-02-07 14:53:37,971 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 14:53:37,972 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 14:53:38,003 INFO L503 ceAbstractionStarter]: Automizer considered 41 witness invariants [2024-02-07 14:53:38,004 INFO L504 ceAbstractionStarter]: WitnessConsidered=41 [2024-02-07 14:53:38,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 02:53:38 BasicIcfg [2024-02-07 14:53:38,008 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 14:53:38,009 INFO L158 Benchmark]: Toolchain (without parser) took 30729.64ms. Allocated memory was 153.1MB in the beginning and 14.6GB in the end (delta: 14.4GB). Free memory was 113.6MB in the beginning and 12.6GB in the end (delta: -12.5GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2024-02-07 14:53:38,009 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 111.1MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:53:38,009 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 111.1MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:53:38,010 INFO L158 Benchmark]: CACSL2BoogieTranslator took 814.19ms. Allocated memory is still 153.1MB. Free memory was 113.6MB in the beginning and 69.5MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-02-07 14:53:38,010 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.78ms. Allocated memory is still 153.1MB. Free memory was 69.5MB in the beginning and 66.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 14:53:38,010 INFO L158 Benchmark]: Boogie Preprocessor took 76.26ms. Allocated memory is still 153.1MB. Free memory was 66.7MB in the beginning and 62.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 14:53:38,011 INFO L158 Benchmark]: RCFGBuilder took 1352.05ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 62.6MB in the beginning and 126.5MB in the end (delta: -63.9MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-02-07 14:53:38,011 INFO L158 Benchmark]: TraceAbstraction took 28415.15ms. Allocated memory was 184.5MB in the beginning and 14.6GB in the end (delta: 14.4GB). Free memory was 125.4MB in the beginning and 12.6GB in the end (delta: -12.5GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2024-02-07 14:53:38,014 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 0.17ms. Allocated memory is still 111.1MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.18ms. Allocated memory is still 111.1MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 814.19ms. Allocated memory is still 153.1MB. Free memory was 113.6MB in the beginning and 69.5MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.78ms. Allocated memory is still 153.1MB. Free memory was 69.5MB in the beginning and 66.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.26ms. Allocated memory is still 153.1MB. Free memory was 66.7MB in the beginning and 62.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1352.05ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 62.6MB in the beginning and 126.5MB in the end (delta: -63.9MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * TraceAbstraction took 28415.15ms. Allocated memory was 184.5MB in the beginning and 14.6GB in the end (delta: 14.4GB). Free memory was 125.4MB in the beginning and 12.6GB in the end (delta: -12.5GB). Peak memory consumption was 1.9GB. 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: 28.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 27.5s, 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, 0.3s 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 14:53:38,059 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE