./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe019_power.opt.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/safe019_power.opt.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/safe019_power.opt.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/safe019_power.opt.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.fix-undeclared-acsl-variable-e7c74ae-m [2024-02-07 19:30:32,017 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:30:32,087 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:30:32,098 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:30:32,098 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:30:32,121 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:30:32,122 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:30:32,123 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:30:32,123 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:30:32,126 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:30:32,126 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:30:32,127 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:30:32,127 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:30:32,128 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:30:32,128 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:30:32,129 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:30:32,129 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:30:32,129 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:30:32,129 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:30:32,129 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:30:32,130 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:30:32,130 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:30:32,130 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:30:32,130 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:30:32,131 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:30:32,131 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:30:32,131 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:30:32,131 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:30:32,132 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:30:32,132 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:30:32,133 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:30:32,133 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:30:32,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:30:32,133 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:30:32,134 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:30:32,134 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:30:32,134 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:30:32,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:30:32,134 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:30:32,135 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:30:32,135 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:30:32,135 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:30:32,135 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:30:32,136 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:30:32,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:30:32,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:30:32,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:30:32,360 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:30:32,360 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:30:32,361 INFO L431 ainManager$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/safe019_power.opt.yml/witness.yml [2024-02-07 19:30:32,520 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:30:32,520 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:30:32,521 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_power.opt.i [2024-02-07 19:30:33,590 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:30:33,778 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:30:33,779 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_power.opt.i [2024-02-07 19:30:33,806 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cc16037e/404ef723c8fa4c81bbc217e8f9f28a45/FLAGd34457e0a [2024-02-07 19:30:33,823 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cc16037e/404ef723c8fa4c81bbc217e8f9f28a45 [2024-02-07 19:30:33,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:30:33,825 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:30:33,827 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:30:33,827 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:30:33,831 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:30:33,832 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:30:32" (1/2) ... [2024-02-07 19:30:33,833 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30775d9d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:33, skipping insertion in model container [2024-02-07 19:30:33,833 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:30:32" (1/2) ... [2024-02-07 19:30:33,834 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3e2769f8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:33, skipping insertion in model container [2024-02-07 19:30:33,834 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:30:33" (2/2) ... [2024-02-07 19:30:33,835 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30775d9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:33, skipping insertion in model container [2024-02-07 19:30:33,835 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:30:33" (2/2) ... [2024-02-07 19:30:33,836 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:30:34,047 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:30:34,049 INFO L76 edCorrectnessWitness]: Location invariant before [L848-L848] x$r_buff1_thd3 == (_Bool)0 [2024-02-07 19:30:34,049 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] 1 <= __unbuffered_cnt [2024-02-07 19:30:34,049 INFO L76 edCorrectnessWitness]: Location invariant before [L779-L779] ((((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 19:30:34,049 INFO L76 edCorrectnessWitness]: Location invariant before [L773-L773] ((((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 19:30:34,049 INFO L76 edCorrectnessWitness]: Location invariant before [L900-L900] x$r_buff1_thd0 == (_Bool)0 [2024-02-07 19:30:34,050 INFO L76 edCorrectnessWitness]: Location invariant before [L775-L775] ((((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 19:30:34,050 INFO L76 edCorrectnessWitness]: Location invariant before [L776-L776] ((((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 19:30:34,050 INFO L76 edCorrectnessWitness]: Location invariant before [L904-L904] ((((0 <= __unbuffered_p2_EAX) && (__unbuffered_p2_EAX <= 1)) && (y == 2)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && ((__unbuffered_p0_EAX == 2 && (__unbuffered_p0_EBX == 0 || ((0 <= __unbuffered_p0_EBX && __unbuffered_p0_EBX <= 1) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)))) || (((((0 <= __unbuffered_p0_EAX && 0 <= __unbuffered_p0_EBX) && __unbuffered_p0_EAX <= 2) && __unbuffered_p0_EBX <= 1) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2))) [2024-02-07 19:30:34,050 INFO L76 edCorrectnessWitness]: Location invariant before [L832-L832] (x$w_buff0_used == (_Bool)1) && (x$r_buff1_thd3 == (_Bool)0 || x$r_buff0_thd3 == (_Bool)0) [2024-02-07 19:30:34,051 INFO L76 edCorrectnessWitness]: Location invariant before [L787-L787] 0 <= __unbuffered_cnt [2024-02-07 19:30:34,051 INFO L76 edCorrectnessWitness]: Location invariant before [L808-L808] (x$w_buff0_used == (_Bool)1) && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) [2024-02-07 19:30:34,051 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] ((0 <= x$w_buff0) && (x$w_buff0 <= 1)) && (x$w_buff0 == 0 || x$w_buff0 == 1) [2024-02-07 19:30:34,051 INFO L76 edCorrectnessWitness]: Location invariant before [L810-L810] (x$w_buff0_used == (_Bool)1) && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) [2024-02-07 19:30:34,051 INFO L76 edCorrectnessWitness]: Location invariant before [L772-L772] (((0 <= x) && (x <= 1)) && (x == 0 || x == 1)) && (x$flush_delayed == (_Bool)0 || x$flush_delayed == (_Bool)1) [2024-02-07 19:30:34,051 INFO L76 edCorrectnessWitness]: Location invariant before [L896-L896] (x$r_buff0_thd0 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 19:30:34,051 INFO L76 edCorrectnessWitness]: Location invariant before [L837-L837] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 19:30:34,052 INFO L76 edCorrectnessWitness]: Location invariant before [L829-L829] (((((x$r_buff1_thd3 == (_Bool)0 && x$w_buff0_used == (_Bool)1) || (weak$$choice0 == (_Bool)0 && (weak$$choice1 == (_Bool)0 || weak$$choice1 == (_Bool)1))) || (((x$r_buff0_thd3 == (_Bool)0 && x$r_buff1_thd3 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1)) || (((x$r_buff0_thd3 == (_Bool)0 && x$r_buff1_thd3 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (((x$r_buff0_thd3 == (_Bool)0 && x$r_buff1_thd3 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd3 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 19:30:34,052 INFO L76 edCorrectnessWitness]: Location invariant before [L805-L805] x$r_buff0_thd2 == (_Bool)1 [2024-02-07 19:30:34,052 INFO L76 edCorrectnessWitness]: Location invariant before [L796-L796] (x$w_buff0 == 1) && (x$w_buff0_used == (_Bool)0 || x$w_buff0_used == (_Bool)1) [2024-02-07 19:30:34,052 INFO L76 edCorrectnessWitness]: Location invariant before [L783-L783] x$flush_delayed == (_Bool)0 [2024-02-07 19:30:34,052 INFO L76 edCorrectnessWitness]: Location invariant before [L844-L844] (x$r_buff0_thd3 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 19:30:34,053 INFO L76 edCorrectnessWitness]: Location invariant before [L825-L825] ((0 <= x$mem_tmp) && (x$mem_tmp <= 1)) && (x$mem_tmp == 0 || x$mem_tmp == 1) [2024-02-07 19:30:34,053 INFO L76 edCorrectnessWitness]: Location invariant before [L780-L780] (((0 <= x) && (x <= 1)) && (x$r_buff1_thd1 == (_Bool)0)) && (x == 0 || x == 1) [2024-02-07 19:30:34,053 INFO L76 edCorrectnessWitness]: Location invariant before [L795-L795] ((0 <= x$w_buff1) && (x$w_buff1 <= 1)) && (x$w_buff1 == 0 || x$w_buff1 == 1) [2024-02-07 19:30:34,053 INFO L76 edCorrectnessWitness]: Location invariant before [L770-L770] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:30:34,053 INFO L76 edCorrectnessWitness]: Location invariant before [L865-L865] x$r_buff1_thd4 == (_Bool)0 [2024-02-07 19:30:34,053 INFO L76 edCorrectnessWitness]: Location invariant before [L892-L892] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:30:34,053 INFO L76 edCorrectnessWitness]: Location invariant before [L766-L766] (((0 <= y) && (y <= 2)) && (y <= 127)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 19:30:34,054 INFO L76 edCorrectnessWitness]: Location invariant before [L812-L812] x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1 [2024-02-07 19:30:34,054 INFO L76 edCorrectnessWitness]: Location invariant before [L782-L782] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 19:30:34,054 INFO L76 edCorrectnessWitness]: Location invariant before [L897-L897] (x$r_buff1_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 19:30:34,054 INFO L76 edCorrectnessWitness]: Location invariant before [L804-L804] x$r_buff1_thd4 == (_Bool)0 [2024-02-07 19:30:34,054 INFO L76 edCorrectnessWitness]: Location invariant before [L860-L860] (x$r_buff1_thd4 == (_Bool)0 && x$w_buff1_used == (_Bool)1) || (x$r_buff0_thd4 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 19:30:34,054 INFO L76 edCorrectnessWitness]: Location invariant before [L778-L778] ((((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 19:30:34,054 INFO L76 edCorrectnessWitness]: Location invariant before [L858-L858] y == 2 [2024-02-07 19:30:34,055 INFO L76 edCorrectnessWitness]: Location invariant before [L864-L864] (x$r_buff1_thd4 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd4 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 19:30:34,055 INFO L76 edCorrectnessWitness]: Location invariant before [L847-L847] (x$r_buff1_thd3 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd3 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 19:30:34,055 INFO L76 edCorrectnessWitness]: Location invariant before [L809-L809] (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1) && (((x$w_buff1_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1)) || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) || (x$w_buff0_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1))) [2024-02-07 19:30:34,056 INFO L76 edCorrectnessWitness]: Location invariant before [L777-L777] ((((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 19:30:34,056 INFO L76 edCorrectnessWitness]: Location invariant before [L841-L841] y == 1 [2024-02-07 19:30:34,057 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] (x$r_buff0_thd4 == (_Bool)0) && (x$r_buff1_thd3 == (_Bool)0) [2024-02-07 19:30:34,057 INFO L76 edCorrectnessWitness]: Location invariant before [L767-L767] (((0 <= __unbuffered_p0_EAX) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p0_EAX <= 127)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2) [2024-02-07 19:30:34,057 INFO L76 edCorrectnessWitness]: Location invariant before [L801-L801] (x$r_buff1_thd1 == (_Bool)0) && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) [2024-02-07 19:30:34,057 INFO L76 edCorrectnessWitness]: Location invariant before [L905-L905] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:30:34,057 INFO L76 edCorrectnessWitness]: Location invariant before [L893-L893] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:30:34,057 INFO L76 edCorrectnessWitness]: Location invariant before [L867-L867] 0 <= __unbuffered_cnt [2024-02-07 19:30:34,058 INFO L76 edCorrectnessWitness]: Location invariant before [L895-L895] (x$r_buff1_thd0 == (_Bool)0 && x$w_buff1_used == (_Bool)1) || (x$r_buff0_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 19:30:34,058 INFO L76 edCorrectnessWitness]: Location invariant before [L797-L797] x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1 [2024-02-07 19:30:34,058 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] (x$r_buff0_thd3 == (_Bool)0) && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1) [2024-02-07 19:30:34,058 INFO L76 edCorrectnessWitness]: Location invariant before [L863-L863] (x$r_buff0_thd4 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 19:30:34,058 INFO L76 edCorrectnessWitness]: Location invariant before [L862-L862] (x$r_buff1_thd4 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd4 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 19:30:34,059 INFO L76 edCorrectnessWitness]: Location invariant before [L824-L824] (((0 <= x) && (x <= 1)) && (x == 0 || x == 1)) && (x$flush_delayed == (_Bool)0 || x$flush_delayed == (_Bool)1) [2024-02-07 19:30:34,059 INFO L76 edCorrectnessWitness]: Location invariant before [L807-L807] (x$w_buff1_used == (_Bool)1 && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1)) || (x$w_buff0_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1)) [2024-02-07 19:30:34,059 INFO L76 edCorrectnessWitness]: Location invariant before [L846-L846] (x$r_buff0_thd3 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 19:30:34,059 INFO L76 edCorrectnessWitness]: Location invariant before [L822-L822] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:30:34,060 INFO L76 edCorrectnessWitness]: Location invariant before [L771-L771] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:30:34,060 INFO L76 edCorrectnessWitness]: Location invariant before [L899-L899] (x$r_buff1_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 19:30:34,060 INFO L76 edCorrectnessWitness]: Location invariant before [L845-L845] (x$r_buff1_thd3 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd3 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 19:30:34,061 INFO L76 edCorrectnessWitness]: Location invariant before [L850-L850] 0 <= __unbuffered_cnt [2024-02-07 19:30:34,061 INFO L76 edCorrectnessWitness]: Location invariant before [L830-L830] (x$w_buff0_used == (_Bool)1) && (x$r_buff1_thd3 == (_Bool)0 || x$r_buff0_thd3 == (_Bool)0) [2024-02-07 19:30:34,061 INFO L76 edCorrectnessWitness]: Location invariant before [L774-L774] ((((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 19:30:34,061 INFO L76 edCorrectnessWitness]: Location invariant before [L814-L814] 0 <= __unbuffered_cnt [2024-02-07 19:30:34,061 INFO L76 edCorrectnessWitness]: Location invariant before [L835-L835] ((((((0 <= x) && (0 <= *__unbuffered_p2_EAX$read_delayed_var)) && (x <= 1)) && (*__unbuffered_p2_EAX$read_delayed_var <= 1)) && (__unbuffered_p2_EAX$read_delayed_var == & x)) && (x == 0 || x == 1)) && (*__unbuffered_p2_EAX$read_delayed_var == 0 || *__unbuffered_p2_EAX$read_delayed_var == 1) [2024-02-07 19:30:34,061 INFO L76 edCorrectnessWitness]: Location invariant before [L800-L800] (x$r_buff0_thd1 == (_Bool)0) && (x$r_buff1_thd0 == (_Bool)0) [2024-02-07 19:30:34,061 INFO L76 edCorrectnessWitness]: Location invariant before [L833-L833] x$r_buff1_thd3 == (_Bool)0 [2024-02-07 19:30:34,061 INFO L76 edCorrectnessWitness]: Location invariant before [L798-L798] (x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)1) [2024-02-07 19:30:34,062 INFO L76 edCorrectnessWitness]: Location invariant before [L799-L799] x$r_buff0_thd0 == (_Bool)0 [2024-02-07 19:30:34,062 INFO L76 edCorrectnessWitness]: Location invariant before [L906-L906] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:30:34,062 INFO L76 edCorrectnessWitness]: Location invariant before [L843-L843] (x$r_buff1_thd3 == (_Bool)0 && x$w_buff1_used == (_Bool)1) || (x$r_buff0_thd3 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 19:30:34,062 INFO L76 edCorrectnessWitness]: Location invariant before [L823-L823] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:30:34,062 INFO L76 edCorrectnessWitness]: Location invariant before [L868-L868] 1 <= __unbuffered_cnt [2024-02-07 19:30:34,062 INFO L76 edCorrectnessWitness]: Location invariant before [L831-L831] (x$w_buff0_used == (_Bool)1) && (x$r_buff1_thd3 == (_Bool)0 || x$r_buff0_thd3 == (_Bool)0) [2024-02-07 19:30:34,062 INFO L76 edCorrectnessWitness]: Location invariant before [L898-L898] (x$r_buff0_thd0 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 19:30:34,063 INFO L76 edCorrectnessWitness]: Location invariant before [L811-L811] (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1) && (((x$w_buff1_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1)) || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) || (x$w_buff0_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1))) [2024-02-07 19:30:34,063 INFO L76 edCorrectnessWitness]: Location invariant before [L815-L815] 1 <= __unbuffered_cnt [2024-02-07 19:30:34,063 INFO L76 edCorrectnessWitness]: Location invariant before [L834-L834] __unbuffered_p2_EAX$read_delayed == (_Bool)1 [2024-02-07 19:30:34,063 INFO L76 edCorrectnessWitness]: Location invariant before [L851-L851] 1 <= __unbuffered_cnt [2024-02-07 19:30:34,063 INFO L76 edCorrectnessWitness]: Location invariant before [L838-L838] x$flush_delayed == (_Bool)0 [2024-02-07 19:30:34,063 INFO L76 edCorrectnessWitness]: Location invariant before [L19-L19] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 19:30:34,063 INFO L76 edCorrectnessWitness]: Location invariant before [L828-L828] (x$w_buff0_used == (_Bool)1) && (x$r_buff1_thd3 == (_Bool)0 || x$r_buff0_thd3 == (_Bool)0) [2024-02-07 19:30:34,063 INFO L76 edCorrectnessWitness]: Location invariant before [L891-L891] 0 <= __unbuffered_cnt [2024-02-07 19:30:34,064 INFO L76 edCorrectnessWitness]: Location invariant before [L861-L861] (x$r_buff0_thd4 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 19:30:34,064 INFO L76 edCorrectnessWitness]: Location invariant before [L827-L827] (x$w_buff0_used == (_Bool)1) && (x$r_buff1_thd3 == (_Bool)0 || x$r_buff0_thd3 == (_Bool)0) [2024-02-07 19:30:34,064 INFO L76 edCorrectnessWitness]: Location invariant before [L883-L883] ((((0LL - (long long )x$w_buff0_used) + (long long )x$w_buff1_used >= 0LL) && ((long long )x$w_buff0_used + (long long )x$w_buff1_used >= 0LL)) && ((0LL - (long long )x$w_buff0_used) - (long long )x$w_buff1_used >= 0LL)) && ((long long )x$w_buff0_used - (long long )x$w_buff1_used >= 0LL) [2024-02-07 19:30:34,064 INFO L76 edCorrectnessWitness]: Location invariant before [L826-L826] (x$w_buff0_used == (_Bool)1) && (x$r_buff1_thd3 == (_Bool)0 || x$r_buff0_thd3 == (_Bool)0) [2024-02-07 19:30:34,116 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:30:34,272 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/safe019_power.opt.i[994,1007] [2024-02-07 19:30:34,511 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:30:34,519 INFO L206 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 19:30:34,545 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/safe019_power.opt.i[994,1007] 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 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 Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 19:30:34,672 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:30:34,702 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:30:34,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:34 WrapperNode [2024-02-07 19:30:34,705 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:30:34,706 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:30:34,706 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:30:34,706 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:30:34,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:34" (1/1) ... [2024-02-07 19:30:34,753 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:34" (1/1) ... [2024-02-07 19:30:34,780 INFO L138 Inliner]: procedures = 177, calls = 116, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 228 [2024-02-07 19:30:34,780 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:30:34,781 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:30:34,781 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:30:34,781 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:30:34,794 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:34" (1/1) ... [2024-02-07 19:30:34,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:34" (1/1) ... [2024-02-07 19:30:34,826 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:34" (1/1) ... [2024-02-07 19:30:34,855 INFO L175 MemorySlicer]: Split 58 memory accesses to 6 slices as follows [2, 1, 1, 1, 1, 52]. 90 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 0, 0, 0, 1]. The 12 writes are split as follows [0, 1, 1, 1, 1, 8]. [2024-02-07 19:30:34,856 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:34" (1/1) ... [2024-02-07 19:30:34,856 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:34" (1/1) ... [2024-02-07 19:30:34,868 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:34" (1/1) ... [2024-02-07 19:30:34,877 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:34" (1/1) ... [2024-02-07 19:30:34,890 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:34" (1/1) ... [2024-02-07 19:30:34,892 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:34" (1/1) ... [2024-02-07 19:30:34,896 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:30:34,906 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:30:34,906 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:30:34,906 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:30:34,907 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:34" (1/1) ... [2024-02-07 19:30:34,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:30:34,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:30:34,958 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-07 19:30:34,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-07 19:30:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 19:30:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 19:30:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 19:30:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 19:30:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-02-07 19:30:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-02-07 19:30:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:30:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:30:34,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:30:34,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:30:34,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 19:30:34,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-02-07 19:30:34,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 19:30:34,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:30:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:30:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:30:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 19:30:34,994 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 19:30:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 19:30:34,994 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 19:30:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 19:30:34,994 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 19:30:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 19:30:34,995 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 19:30:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:30:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:30:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:30:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:30:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 19:30:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-02-07 19:30:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 19:30:34,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:30:34,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:30:35,001 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-07 19:30:35,165 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:30:35,167 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:30:35,823 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:30:35,823 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:30:36,695 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:30:36,695 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 19:30:36,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:30:36 BoogieIcfgContainer [2024-02-07 19:30:36,696 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:30:36,699 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:30:36,699 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:30:36,702 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:30:36,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:30:32" (1/4) ... [2024-02-07 19:30:36,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79acd8b3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:30:36, skipping insertion in model container [2024-02-07 19:30:36,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:30:33" (2/4) ... [2024-02-07 19:30:36,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79acd8b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:30:36, skipping insertion in model container [2024-02-07 19:30:36,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:34" (3/4) ... [2024-02-07 19:30:36,705 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79acd8b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:30:36, skipping insertion in model container [2024-02-07 19:30:36,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:30:36" (4/4) ... [2024-02-07 19:30:36,706 INFO L112 eAbstractionObserver]: Analyzing ICFG safe019_power.opt.i [2024-02-07 19:30:36,722 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:30:36,722 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 88 error locations. [2024-02-07 19:30:36,722 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:30:36,963 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 19:30:36,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 146 places, 134 transitions, 284 flow [2024-02-07 19:30:37,038 INFO L124 PetriNetUnfolderBase]: 1/130 cut-off events. [2024-02-07 19:30:37,038 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:30:37,044 INFO L83 FinitePrefix]: Finished finitePrefix Result has 143 conditions, 130 events. 1/130 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 678 event pairs, 0 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 132. Up to 2 conditions per place. [2024-02-07 19:30:37,044 INFO L82 GeneralOperation]: Start removeDead. Operand has 146 places, 134 transitions, 284 flow [2024-02-07 19:30:37,048 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 142 places, 130 transitions, 272 flow [2024-02-07 19:30:37,055 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:30:37,059 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;@2d8672c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:30:37,059 INFO L358 AbstractCegarLoop]: Starting to check reachability of 165 error locations. [2024-02-07 19:30:37,061 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:30:37,061 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 19:30:37,061 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:30:37,061 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:30:37,062 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 19:30:37,062 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 162 more)] === [2024-02-07 19:30:37,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:30:37,065 INFO L85 PathProgramCache]: Analyzing trace with hash 48552, now seen corresponding path program 1 times [2024-02-07 19:30:37,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:30:37,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076039180] [2024-02-07 19:30:37,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:30:37,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:30:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:30:37,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:30:37,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:30:37,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076039180] [2024-02-07 19:30:37,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076039180] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:30:37,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:30:37,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:30:37,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463336634] [2024-02-07 19:30:37,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:30:37,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:30:37,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:30:37,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:30:37,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:30:37,330 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 134 [2024-02-07 19:30:37,331 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 130 transitions, 272 flow. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:30:37,331 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:30:37,331 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 134 [2024-02-07 19:30:37,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:30:53,455 INFO L124 PetriNetUnfolderBase]: 77762/118885 cut-off events. [2024-02-07 19:30:53,468 INFO L125 PetriNetUnfolderBase]: For 255/255 co-relation queries the response was YES. [2024-02-07 19:30:53,788 INFO L83 FinitePrefix]: Finished finitePrefix Result has 226234 conditions, 118885 events. 77762/118885 cut-off events. For 255/255 co-relation queries the response was YES. Maximal size of possible extension queue 5960. Compared 1051743 event pairs, 33140 based on Foata normal form. 1989/57746 useless extension candidates. Maximal degree in co-relation 226220. Up to 97597 conditions per place. [2024-02-07 19:30:54,384 INFO L140 encePairwiseOnDemand]: 73/134 looper letters, 83 selfloop transitions, 2 changer transitions 0/97 dead transitions. [2024-02-07 19:30:54,385 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 97 transitions, 382 flow [2024-02-07 19:30:54,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 19:30:54,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 19:30:54,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 218 transitions. [2024-02-07 19:30:54,395 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5422885572139303 [2024-02-07 19:30:54,397 INFO L175 Difference]: Start difference. First operand has 142 places, 130 transitions, 272 flow. Second operand 3 states and 218 transitions. [2024-02-07 19:30:54,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 97 transitions, 382 flow [2024-02-07 19:30:54,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 97 transitions, 376 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-02-07 19:30:54,416 INFO L231 Difference]: Finished difference. Result has 83 places, 71 transitions, 178 flow [2024-02-07 19:30:54,418 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=178, PETRI_PLACES=83, PETRI_TRANSITIONS=71} [2024-02-07 19:30:54,420 INFO L281 CegarLoopForPetriNet]: 142 programPoint places, -59 predicate places. [2024-02-07 19:30:54,420 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 71 transitions, 178 flow [2024-02-07 19:30:54,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:30:54,421 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:30:54,421 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 19:30:54,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 19:30:54,421 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 162 more)] === [2024-02-07 19:30:54,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:30:54,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1448118451, now seen corresponding path program 1 times [2024-02-07 19:30:54,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:30:54,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270507739] [2024-02-07 19:30:54,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:30:54,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:30:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:30:54,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:30:54,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:30:54,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270507739] [2024-02-07 19:30:54,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270507739] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:30:54,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:30:54,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:30:54,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786303205] [2024-02-07 19:30:54,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:30:54,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:30:54,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:30:54,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:30:54,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:30:54,478 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 134 [2024-02-07 19:30:54,479 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 71 transitions, 178 flow. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:30:54,479 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:30:54,479 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 134 [2024-02-07 19:30:54,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand