./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series2.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-more-buffer-series2.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cb09d658 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/weaver/popl20-more-buffer-series2.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-more-buffer-series2.wvr.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-cb09d65-m [2024-01-27 23:10:05,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 23:10:05,219 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 23:10:05,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 23:10:05,223 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 23:10:05,247 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 23:10:05,248 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 23:10:05,248 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 23:10:05,249 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 23:10:05,252 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 23:10:05,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 23:10:05,253 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 23:10:05,254 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 23:10:05,255 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 23:10:05,255 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 23:10:05,255 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 23:10:05,255 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 23:10:05,256 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 23:10:05,256 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 23:10:05,256 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 23:10:05,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 23:10:05,257 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 23:10:05,257 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 23:10:05,257 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 23:10:05,257 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 23:10:05,257 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 23:10:05,258 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 23:10:05,258 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 23:10:05,258 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 23:10:05,259 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 23:10:05,259 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 23:10:05,260 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 23:10:05,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 23:10:05,260 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 23:10:05,260 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 23:10:05,260 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 23:10:05,261 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 23:10:05,261 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 23:10:05,261 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 23:10:05,261 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 23:10:05,261 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 23:10:05,262 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 23:10:05,262 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 23:10:05,262 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-27 23:10:05,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 23:10:05,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 23:10:05,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 23:10:05,487 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 23:10:05,487 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 23:10:05,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series2.wvr.c [2024-01-27 23:10:06,573 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 23:10:06,750 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 23:10:06,750 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series2.wvr.c [2024-01-27 23:10:06,757 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c472ab2a/2773bd4ed68d466e8cfe7e5eadb923ce/FLAGb4764dd5d [2024-01-27 23:10:06,767 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c472ab2a/2773bd4ed68d466e8cfe7e5eadb923ce [2024-01-27 23:10:06,776 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-27 23:10:06,777 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-27 23:10:06,777 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-more-buffer-series2.wvr.yml/witness.yml [2024-01-27 23:10:06,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 23:10:06,960 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-27 23:10:06,961 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 23:10:06,961 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 23:10:06,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 23:10:06,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 11:10:06" (1/2) ... [2024-01-27 23:10:06,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fd34ce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:10:06, skipping insertion in model container [2024-01-27 23:10:06,966 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 11:10:06" (1/2) ... [2024-01-27 23:10:06,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1442e4b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:10:06, skipping insertion in model container [2024-01-27 23:10:06,967 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:10:06" (2/2) ... [2024-01-27 23:10:06,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fd34ce3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:10:06, skipping insertion in model container [2024-01-27 23:10:06,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:10:06" (2/2) ... [2024-01-27 23:10:06,968 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-27 23:10:07,025 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-27 23:10:07,026 INFO L98 nessWitnessExtractor]: Location invariant before [L118-L118] 0 <= j [2024-01-27 23:10:07,027 INFO L98 nessWitnessExtractor]: Location invariant before [L118-L118] 0 <= i [2024-01-27 23:10:07,027 INFO L98 nessWitnessExtractor]: Location invariant before [L118-L118] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,027 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] j == 0 [2024-01-27 23:10:07,027 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q1_back == 0 [2024-01-27 23:10:07,027 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q1_front == 0 [2024-01-27 23:10:07,028 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] n2 == 0 [2024-01-27 23:10:07,028 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] f == 0 [2024-01-27 23:10:07,028 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] i == 0 [2024-01-27 23:10:07,028 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q1 == 0 [2024-01-27 23:10:07,028 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] total == 0 [2024-01-27 23:10:07,028 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q2 == 0 [2024-01-27 23:10:07,028 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q2_front == 0 [2024-01-27 23:10:07,028 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q2_back == 0 [2024-01-27 23:10:07,029 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] 0 <= j [2024-01-27 23:10:07,029 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,029 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] 0 <= i [2024-01-27 23:10:07,029 INFO L98 nessWitnessExtractor]: Location invariant before [L158-L158] i == 0 [2024-01-27 23:10:07,029 INFO L98 nessWitnessExtractor]: Location invariant before [L158-L158] f == 0 [2024-01-27 23:10:07,029 INFO L98 nessWitnessExtractor]: Location invariant before [L158-L158] j == 0 [2024-01-27 23:10:07,029 INFO L98 nessWitnessExtractor]: Location invariant before [L158-L158] total == 0 [2024-01-27 23:10:07,030 INFO L98 nessWitnessExtractor]: Location invariant before [L162-L162] j == 0 [2024-01-27 23:10:07,030 INFO L98 nessWitnessExtractor]: Location invariant before [L162-L162] size != 0 [2024-01-27 23:10:07,030 INFO L98 nessWitnessExtractor]: Location invariant before [L162-L162] i == 0 [2024-01-27 23:10:07,030 INFO L98 nessWitnessExtractor]: Location invariant before [L162-L162] total == 0 [2024-01-27 23:10:07,030 INFO L98 nessWitnessExtractor]: Location invariant before [L162-L162] (((((((((8 <= i && 9 <= size) && i <= 2147483646) || (8 <= size && i == 7)) || (7 <= size && i == 6)) || (6 <= size && i == 5)) || (5 <= size && i == 4)) || (4 <= size && i == 3)) || (3 <= size && i == 2)) || (2 <= size && i == 1)) || ((1 <= size && 0 == i) && i == 0) [2024-01-27 23:10:07,030 INFO L98 nessWitnessExtractor]: Location invariant before [L162-L162] f == 0 [2024-01-27 23:10:07,030 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,031 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] i == 0 [2024-01-27 23:10:07,031 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] f == 0 [2024-01-27 23:10:07,031 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] total == 0 [2024-01-27 23:10:07,031 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] j == 0 [2024-01-27 23:10:07,031 INFO L98 nessWitnessExtractor]: Loop invariant at [L161-L163] (size != 0 && ((((((((8 <= size && 8 <= i) || (7 <= size && i == 7)) || (6 <= size && i == 6)) || (5 <= size && i == 5)) || (4 <= size && i == 4)) || (3 <= size && i == 3)) || (2 <= size && i == 2)) || (1 <= size && i == 1))) || (0 == i && i == 0) [2024-01-27 23:10:07,031 INFO L98 nessWitnessExtractor]: Loop invariant at [L161-L163] total == 0 [2024-01-27 23:10:07,031 INFO L98 nessWitnessExtractor]: Loop invariant at [L161-L163] f == 0 [2024-01-27 23:10:07,031 INFO L98 nessWitnessExtractor]: Loop invariant at [L161-L163] i == 0 [2024-01-27 23:10:07,032 INFO L98 nessWitnessExtractor]: Loop invariant at [L161-L163] j == 0 [2024-01-27 23:10:07,032 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,033 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] f == 0 [2024-01-27 23:10:07,033 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] q2 == 0 [2024-01-27 23:10:07,033 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] j == 0 [2024-01-27 23:10:07,033 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] i == 0 [2024-01-27 23:10:07,033 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] total == 0 [2024-01-27 23:10:07,033 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] 0 <= i [2024-01-27 23:10:07,033 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,033 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] 0 <= j [2024-01-27 23:10:07,034 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] -2147483647 <= q1_front [2024-01-27 23:10:07,034 INFO L98 nessWitnessExtractor]: Location invariant before [L170-L170] 0 <= j [2024-01-27 23:10:07,034 INFO L98 nessWitnessExtractor]: Location invariant before [L170-L170] 0 <= i [2024-01-27 23:10:07,034 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= q1_back [2024-01-27 23:10:07,034 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= i [2024-01-27 23:10:07,034 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,035 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= j [2024-01-27 23:10:07,035 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] 0 <= i [2024-01-27 23:10:07,035 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] 0 <= j [2024-01-27 23:10:07,036 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,036 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,037 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] 0 <= i [2024-01-27 23:10:07,037 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] 0 <= j [2024-01-27 23:10:07,037 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= i [2024-01-27 23:10:07,037 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= j [2024-01-27 23:10:07,037 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,037 INFO L98 nessWitnessExtractor]: Loop invariant at [L92-L101] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,037 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,037 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,037 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] 0 <= j [2024-01-27 23:10:07,038 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] 0 <= i [2024-01-27 23:10:07,038 INFO L98 nessWitnessExtractor]: Location invariant before [L121-L121] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,038 INFO L98 nessWitnessExtractor]: Location invariant before [L168-L168] 0 <= i [2024-01-27 23:10:07,038 INFO L98 nessWitnessExtractor]: Location invariant before [L168-L168] b <= -1 [2024-01-27 23:10:07,038 INFO L98 nessWitnessExtractor]: Location invariant before [L168-L168] b != 0 [2024-01-27 23:10:07,038 INFO L98 nessWitnessExtractor]: Location invariant before [L168-L168] 0 <= j [2024-01-27 23:10:07,038 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,038 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] 0 <= j [2024-01-27 23:10:07,039 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] 0 <= i [2024-01-27 23:10:07,039 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] j == 0 [2024-01-27 23:10:07,039 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2 == 0 [2024-01-27 23:10:07,039 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] total == 0 [2024-01-27 23:10:07,039 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] f == 0 [2024-01-27 23:10:07,039 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q1 == 0 [2024-01-27 23:10:07,039 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q1_back == 0 [2024-01-27 23:10:07,039 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2_back == 0 [2024-01-27 23:10:07,040 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2_front == 0 [2024-01-27 23:10:07,040 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] i == 0 [2024-01-27 23:10:07,040 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] 0 <= i [2024-01-27 23:10:07,040 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] 0 <= j [2024-01-27 23:10:07,040 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,040 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= i [2024-01-27 23:10:07,040 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,040 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= j [2024-01-27 23:10:07,040 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] 0 <= i [2024-01-27 23:10:07,041 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] 0 <= j [2024-01-27 23:10:07,041 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] -2147483647 <= q2_back [2024-01-27 23:10:07,041 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,041 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] 0 <= i [2024-01-27 23:10:07,041 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] 0 <= j [2024-01-27 23:10:07,041 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,041 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,041 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,041 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] 1 <= i [2024-01-27 23:10:07,042 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] -2147483647 <= q1_back [2024-01-27 23:10:07,042 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] 0 <= j [2024-01-27 23:10:07,042 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,042 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,042 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,042 INFO L98 nessWitnessExtractor]: Location invariant before [L164-L164] i == 0 [2024-01-27 23:10:07,043 INFO L98 nessWitnessExtractor]: Location invariant before [L164-L164] total == 0 [2024-01-27 23:10:07,043 INFO L98 nessWitnessExtractor]: Location invariant before [L164-L164] 0 <= i [2024-01-27 23:10:07,043 INFO L98 nessWitnessExtractor]: Location invariant before [L164-L164] f == 0 [2024-01-27 23:10:07,044 INFO L98 nessWitnessExtractor]: Location invariant before [L164-L164] j == 0 [2024-01-27 23:10:07,044 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] 0 <= i [2024-01-27 23:10:07,045 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] 0 <= j [2024-01-27 23:10:07,045 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,045 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q2_back == 0 [2024-01-27 23:10:07,045 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q1_front == 0 [2024-01-27 23:10:07,045 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] i == 0 [2024-01-27 23:10:07,045 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q2 == 0 [2024-01-27 23:10:07,046 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q2_front == 0 [2024-01-27 23:10:07,046 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] f == 0 [2024-01-27 23:10:07,046 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] j == 0 [2024-01-27 23:10:07,046 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q1 == 0 [2024-01-27 23:10:07,046 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] total == 0 [2024-01-27 23:10:07,046 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q1_back == 0 [2024-01-27 23:10:07,046 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] -2147483647 <= q2_front [2024-01-27 23:10:07,046 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] 0 <= j [2024-01-27 23:10:07,046 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,047 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] 0 <= i [2024-01-27 23:10:07,047 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= j [2024-01-27 23:10:07,047 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,047 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= i [2024-01-27 23:10:07,047 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] i == 0 [2024-01-27 23:10:07,047 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] j == 0 [2024-01-27 23:10:07,047 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] f == 0 [2024-01-27 23:10:07,048 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q2_front == 0 [2024-01-27 23:10:07,048 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] total == 0 [2024-01-27 23:10:07,048 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q1 == 0 [2024-01-27 23:10:07,048 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q2 == 0 [2024-01-27 23:10:07,048 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q2_back == 0 [2024-01-27 23:10:07,048 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] i == 0 [2024-01-27 23:10:07,048 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] j == 0 [2024-01-27 23:10:07,048 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q1 == 0 [2024-01-27 23:10:07,048 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q1_back == 0 [2024-01-27 23:10:07,049 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] f == 0 [2024-01-27 23:10:07,049 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q2_front == 0 [2024-01-27 23:10:07,049 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q2 == 0 [2024-01-27 23:10:07,049 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q2_back == 0 [2024-01-27 23:10:07,049 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] n2 == 0 [2024-01-27 23:10:07,050 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q1_front == 0 [2024-01-27 23:10:07,050 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] total == 0 [2024-01-27 23:10:07,050 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] n1 == 0 [2024-01-27 23:10:07,050 INFO L98 nessWitnessExtractor]: Location invariant before [L99-L99] 0 <= i [2024-01-27 23:10:07,050 INFO L98 nessWitnessExtractor]: Location invariant before [L99-L99] 0 <= j [2024-01-27 23:10:07,051 INFO L98 nessWitnessExtractor]: Location invariant before [L99-L99] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,051 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,051 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] 0 <= i [2024-01-27 23:10:07,051 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] 0 <= j [2024-01-27 23:10:07,051 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] j == 0 [2024-01-27 23:10:07,051 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] f == 0 [2024-01-27 23:10:07,051 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] total == 0 [2024-01-27 23:10:07,051 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] i == 0 [2024-01-27 23:10:07,051 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,052 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] 0 <= i [2024-01-27 23:10:07,052 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] 0 <= j [2024-01-27 23:10:07,052 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,052 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] 0 <= j [2024-01-27 23:10:07,052 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] 0 <= i [2024-01-27 23:10:07,053 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] 0 <= i [2024-01-27 23:10:07,053 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,053 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] 0 <= j [2024-01-27 23:10:07,053 INFO L98 nessWitnessExtractor]: Loop invariant at [L51-L62] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,053 INFO L98 nessWitnessExtractor]: Loop invariant at [L71-L83] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,053 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] i == 0 [2024-01-27 23:10:07,054 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] f == 0 [2024-01-27 23:10:07,054 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] total == 0 [2024-01-27 23:10:07,054 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q1 == 0 [2024-01-27 23:10:07,054 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] j == 0 [2024-01-27 23:10:07,054 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q2 == 0 [2024-01-27 23:10:07,054 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q1 == 0 [2024-01-27 23:10:07,055 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q2 == 0 [2024-01-27 23:10:07,055 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q1_front == 0 [2024-01-27 23:10:07,056 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] n1 == 0 [2024-01-27 23:10:07,057 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] f == 0 [2024-01-27 23:10:07,058 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] total == 0 [2024-01-27 23:10:07,058 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] j == 0 [2024-01-27 23:10:07,058 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] N == 0 [2024-01-27 23:10:07,063 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q1_back == 0 [2024-01-27 23:10:07,063 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q2_front == 0 [2024-01-27 23:10:07,063 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q2_back == 0 [2024-01-27 23:10:07,063 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] i == 0 [2024-01-27 23:10:07,063 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] n2 == 0 [2024-01-27 23:10:07,063 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] 0 <= i [2024-01-27 23:10:07,063 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] 0 <= j [2024-01-27 23:10:07,063 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,063 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,064 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] 0 <= j [2024-01-27 23:10:07,064 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] 0 <= i [2024-01-27 23:10:07,064 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,064 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] 0 <= i [2024-01-27 23:10:07,064 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] 0 <= j [2024-01-27 23:10:07,064 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] 0 <= q2_back [2024-01-27 23:10:07,064 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,064 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] 0 <= j [2024-01-27 23:10:07,064 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] 0 <= i [2024-01-27 23:10:07,064 INFO L98 nessWitnessExtractor]: Location invariant before [L169-L169] b != 0 [2024-01-27 23:10:07,065 INFO L98 nessWitnessExtractor]: Location invariant before [L169-L169] 0 <= j [2024-01-27 23:10:07,065 INFO L98 nessWitnessExtractor]: Location invariant before [L169-L169] 1 <= b [2024-01-27 23:10:07,065 INFO L98 nessWitnessExtractor]: Location invariant before [L169-L169] 0 <= i [2024-01-27 23:10:07,065 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,065 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,065 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= j [2024-01-27 23:10:07,065 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= i [2024-01-27 23:10:07,066 INFO L98 nessWitnessExtractor]: Location invariant before [L141-L141] i == 0 [2024-01-27 23:10:07,066 INFO L98 nessWitnessExtractor]: Location invariant before [L141-L141] j == 0 [2024-01-27 23:10:07,066 INFO L98 nessWitnessExtractor]: Location invariant before [L141-L141] total == 0 [2024-01-27 23:10:07,066 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,066 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] 0 <= j [2024-01-27 23:10:07,066 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] 0 <= i [2024-01-27 23:10:07,067 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,067 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q2_back == 0 [2024-01-27 23:10:07,067 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] i == 0 [2024-01-27 23:10:07,067 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] j == 0 [2024-01-27 23:10:07,067 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] total == 0 [2024-01-27 23:10:07,067 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] f == 0 [2024-01-27 23:10:07,067 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q2 == 0 [2024-01-27 23:10:07,067 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q1 == 0 [2024-01-27 23:10:07,067 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,067 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] total == 0 [2024-01-27 23:10:07,068 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] j == 0 [2024-01-27 23:10:07,068 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] i == 0 [2024-01-27 23:10:07,068 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,068 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,068 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] 0 <= j [2024-01-27 23:10:07,068 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] 0 <= i [2024-01-27 23:10:07,068 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] -2147483647 <= q2_back [2024-01-27 23:10:07,069 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] q2_front <= 2147483646 [2024-01-27 23:10:07,069 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= i [2024-01-27 23:10:07,069 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= j [2024-01-27 23:10:07,069 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,069 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] q1_front <= 2147483646 [2024-01-27 23:10:07,069 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= j [2024-01-27 23:10:07,069 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] -2147483647 <= q1_back [2024-01-27 23:10:07,069 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= i [2024-01-27 23:10:07,069 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,069 INFO L98 nessWitnessExtractor]: Loop invariant at [L110-L119] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,070 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= i [2024-01-27 23:10:07,070 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 1 <= j [2024-01-27 23:10:07,070 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] -2147483647 <= q2_back [2024-01-27 23:10:07,070 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,070 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,070 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] 0 <= j [2024-01-27 23:10:07,070 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] 0 <= i [2024-01-27 23:10:07,070 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,070 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] 0 <= j [2024-01-27 23:10:07,070 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] 0 <= i [2024-01-27 23:10:07,071 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,072 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,072 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= j [2024-01-27 23:10:07,072 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= i [2024-01-27 23:10:07,072 INFO L98 nessWitnessExtractor]: Location invariant before [L117-L117] 0 <= j [2024-01-27 23:10:07,072 INFO L98 nessWitnessExtractor]: Location invariant before [L117-L117] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,072 INFO L98 nessWitnessExtractor]: Location invariant before [L117-L117] 0 <= i [2024-01-27 23:10:07,073 INFO L98 nessWitnessExtractor]: Location invariant before [L160-L160] total == 0 [2024-01-27 23:10:07,073 INFO L98 nessWitnessExtractor]: Location invariant before [L160-L160] i == 0 [2024-01-27 23:10:07,073 INFO L98 nessWitnessExtractor]: Location invariant before [L160-L160] j == 0 [2024-01-27 23:10:07,073 INFO L98 nessWitnessExtractor]: Location invariant before [L160-L160] f == 0 [2024-01-27 23:10:07,073 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,074 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,074 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,074 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] -2147483647 <= q1_back [2024-01-27 23:10:07,074 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] 0 <= i [2024-01-27 23:10:07,074 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] 0 <= j [2024-01-27 23:10:07,074 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] (unsigned long )_argptr == 0UL [2024-01-27 23:10:07,074 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] i == 0 [2024-01-27 23:10:07,074 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] j == 0 [2024-01-27 23:10:07,074 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] total == 0 [2024-01-27 23:10:07,074 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] f == 0 [2024-01-27 23:10:07,099 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 23:10:07,286 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series2.wvr.c[4284,4297] [2024-01-27 23:10:07,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 23:10:07,299 INFO L202 MainTranslator]: Completed pre-run [2024-01-27 23:10:07,307 WARN L424 MainDispatcher]: Unable to annotate extern int pthread_create (pthread_t *__restrict __newthread, const pthread_attr_t *__restrict __attr, void *(*__start_routine) (void *), void *__restrict __arg) __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1, 3))); with a witness entry 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 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 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 [2024-01-27 23:10:07,385 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series2.wvr.c[4284,4297] 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 [2024-01-27 23:10:07,404 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 23:10:07,419 INFO L206 MainTranslator]: Completed translation [2024-01-27 23:10:07,420 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:10:07 WrapperNode [2024-01-27 23:10:07,421 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 23:10:07,421 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-27 23:10:07,421 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-27 23:10:07,422 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-27 23:10:07,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:10:07" (1/1) ... [2024-01-27 23:10:07,449 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:10:07" (1/1) ... [2024-01-27 23:10:07,492 INFO L138 Inliner]: procedures = 27, calls = 83, calls flagged for inlining = 22, calls inlined = 28, statements flattened = 717 [2024-01-27 23:10:07,499 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-27 23:10:07,499 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-27 23:10:07,500 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-27 23:10:07,500 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-27 23:10:07,508 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:10:07" (1/1) ... [2024-01-27 23:10:07,508 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:10:07" (1/1) ... [2024-01-27 23:10:07,523 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:10:07" (1/1) ... [2024-01-27 23:10:07,552 INFO L175 MemorySlicer]: Split 20 memory accesses to 6 slices as follows [2, 2, 10, 2, 2, 2]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0]. The 7 writes are split as follows [0, 1, 3, 1, 1, 1]. [2024-01-27 23:10:07,553 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:10:07" (1/1) ... [2024-01-27 23:10:07,553 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:10:07" (1/1) ... [2024-01-27 23:10:07,583 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:10:07" (1/1) ... [2024-01-27 23:10:07,587 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:10:07" (1/1) ... [2024-01-27 23:10:07,595 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:10:07" (1/1) ... [2024-01-27 23:10:07,597 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:10:07" (1/1) ... [2024-01-27 23:10:07,601 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-27 23:10:07,604 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-27 23:10:07,604 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-27 23:10:07,605 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-27 23:10:07,605 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:10:07" (1/1) ... [2024-01-27 23:10:07,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 23:10:07,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 23:10:07,662 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) [2024-01-27 23:10:07,705 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 [2024-01-27 23:10:07,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-27 23:10:07,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-27 23:10:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-27 23:10:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-27 23:10:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-27 23:10:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-27 23:10:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-27 23:10:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-01-27 23:10:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-27 23:10:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-27 23:10:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-27 23:10:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-27 23:10:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-27 23:10:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-01-27 23:10:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-27 23:10:07,730 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-27 23:10:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-27 23:10:07,730 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-27 23:10:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-27 23:10:07,730 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-27 23:10:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-27 23:10:07,731 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-27 23:10:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-27 23:10:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-27 23:10:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-27 23:10:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-27 23:10:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-27 23:10:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-01-27 23:10:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-27 23:10:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-27 23:10:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-27 23:10:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-27 23:10:07,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-27 23:10:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-27 23:10:07,734 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-27 23:10:07,837 INFO L244 CfgBuilder]: Building ICFG [2024-01-27 23:10:07,839 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-27 23:10:08,695 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-27 23:10:08,695 INFO L293 CfgBuilder]: Performing block encoding [2024-01-27 23:10:09,745 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-27 23:10:09,745 INFO L320 CfgBuilder]: Removed 7 assume(true) statements. [2024-01-27 23:10:09,747 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 11:10:09 BoogieIcfgContainer [2024-01-27 23:10:09,747 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-27 23:10:09,749 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-27 23:10:09,749 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-27 23:10:09,751 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-27 23:10:09,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 11:10:06" (1/4) ... [2024-01-27 23:10:09,752 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f28a638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 11:10:09, skipping insertion in model container [2024-01-27 23:10:09,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:10:06" (2/4) ... [2024-01-27 23:10:09,752 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f28a638 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 11:10:09, skipping insertion in model container [2024-01-27 23:10:09,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:10:07" (3/4) ... [2024-01-27 23:10:09,753 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f28a638 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 11:10:09, skipping insertion in model container [2024-01-27 23:10:09,753 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 11:10:09" (4/4) ... [2024-01-27 23:10:09,754 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series2.wvr.c [2024-01-27 23:10:09,767 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-27 23:10:09,768 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 358 error locations. [2024-01-27 23:10:09,768 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-27 23:10:09,961 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-01-27 23:10:10,002 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 630 places, 624 transitions, 1276 flow [2024-01-27 23:10:10,164 INFO L124 PetriNetUnfolderBase]: 7/620 cut-off events. [2024-01-27 23:10:10,164 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-27 23:10:10,188 INFO L83 FinitePrefix]: Finished finitePrefix Result has 637 conditions, 620 events. 7/620 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2005 event pairs, 0 based on Foata normal form. 0/255 useless extension candidates. Maximal degree in co-relation 559. Up to 2 conditions per place. [2024-01-27 23:10:10,188 INFO L82 GeneralOperation]: Start removeDead. Operand has 630 places, 624 transitions, 1276 flow [2024-01-27 23:10:10,211 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 625 places, 619 transitions, 1262 flow [2024-01-27 23:10:10,251 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 23:10:10,256 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;@3caf44cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 23:10:10,256 INFO L358 AbstractCegarLoop]: Starting to check reachability of 529 error locations. [2024-01-27 23:10:10,258 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 23:10:10,258 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-27 23:10:10,258 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 23:10:10,258 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:10:10,258 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-27 23:10:10,258 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 526 more)] === [2024-01-27 23:10:10,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:10:10,276 INFO L85 PathProgramCache]: Analyzing trace with hash 94462, now seen corresponding path program 1 times [2024-01-27 23:10:10,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:10:10,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810272842] [2024-01-27 23:10:10,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:10:10,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:10:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:10:10,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:10:10,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:10:10,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810272842] [2024-01-27 23:10:10,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810272842] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:10:10,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:10:10,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 23:10:10,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7962898] [2024-01-27 23:10:10,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:10:10,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:10:10,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:10:10,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:10:10,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:10:10,634 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 624 [2024-01-27 23:10:10,638 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 625 places, 619 transitions, 1262 flow. Second operand has 3 states, 3 states have (on average 407.6666666666667) internal successors, (1223), 3 states have internal predecessors, (1223), 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) [2024-01-27 23:10:10,639 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:10:10,639 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 624 [2024-01-27 23:10:10,639 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand